{"title":"Master Brake Cylinders \u0026 Parts","description":"Willys CJ3B Jeep Master Brake Cylinders \u0026amp; Parts.","products":[{"product_id":"master-cylinder-boot-1941-1966-jeep-and-willys","title":"Master Cylinder Boot – OE Style Replacement – Willys Jeep \u0026 Truck (1941–1966)","description":"\u003cp data-end=\"245\" data-start=\"85\"\u003e\u003cstrong data-end=\"159\" data-start=\"85\"\u003eReplace your dry rotted or cracked boot with this master cylinder boot\u003c\/strong\u003e, designed to protect the pushrod and master cylinder from dirt, moisture, and debris.\u003c\/p\u003e\n\u003cp data-end=\"357\" data-start=\"247\"\u003eThis simple but critical component helps extend the life of your braking system and maintain proper operation.\u003c\/p\u003e\n\u003cp data-end=\"382\" data-start=\"359\"\u003e⚙️ \u003cstrong data-end=\"382\" data-start=\"362\"\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"411\" data-start=\"383\"\u003e\n\u003cli data-end=\"411\" data-start=\"383\" data-section-id=\"w66dtc\"\u003e(1) Master cylinder boot\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"458\" data-start=\"413\"\u003e🔧 \u003cstrong data-end=\"458\" data-start=\"416\"\u003eWhy Replace Your Master Cylinder Boot?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"671\" data-start=\"459\"\u003e\n\u003cli data-end=\"512\" data-start=\"459\" data-section-id=\"1lyerdt\"\u003eOld boots crack, dry out, and allow contamination\u003c\/li\u003e\n\u003cli data-end=\"574\" data-start=\"513\" data-section-id=\"1e347lu\"\u003eProtects master cylinder internals from dirt and moisture\u003c\/li\u003e\n\u003cli data-end=\"625\" data-start=\"575\" data-section-id=\"1f6lt3v\"\u003eHelps maintain proper brake system performance\u003c\/li\u003e\n\u003cli data-end=\"671\" data-start=\"626\" data-section-id=\"ggptgh\"\u003eIdeal during brake service or restoration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"690\" data-start=\"673\"\u003e⚠️ \u003cstrong data-end=\"690\" data-start=\"676\"\u003eImportant:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"795\" data-start=\"691\"\u003e\n\u003cli data-end=\"754\" data-start=\"691\" data-section-id=\"1jsad7d\"\u003eDesigned for \u003cstrong data-end=\"752\" data-start=\"706\"\u003efactory-style master cylinder applications\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"795\" data-start=\"755\" data-section-id=\"11odb6u\"\u003eVerify compatibility before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"809\" data-start=\"797\"\u003e🚙 \u003cstrong data-end=\"809\" data-start=\"800\"\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1085\" data-start=\"810\"\u003e\n\u003cli data-end=\"844\" data-start=\"810\" data-section-id=\"13s8ha5\"\u003e1941–1945 Willys MB \u0026amp; Ford GPW\u003c\/li\u003e\n\u003cli data-end=\"869\" data-start=\"845\" data-section-id=\"rf1oft\"\u003e1946–1949 Jeep CJ-2A\u003c\/li\u003e\n\u003cli data-end=\"894\" data-start=\"870\" data-section-id=\"3j5l7g\"\u003e1949–1953 Jeep CJ-3A\u003c\/li\u003e\n\u003cli data-end=\"919\" data-start=\"895\" data-section-id=\"acxez4\"\u003e1953–1964 Jeep CJ-3B\u003c\/li\u003e\n\u003cli data-end=\"943\" data-start=\"920\" data-section-id=\"o448gg\"\u003e1955–1966 Jeep CJ-5\u003c\/li\u003e\n\u003cli data-end=\"968\" data-start=\"944\" data-section-id=\"5tr65n\"\u003e1950–1952 Willys M38\u003c\/li\u003e\n\u003cli data-end=\"995\" data-start=\"969\" data-section-id=\"sw543i\"\u003e1952–1966 Willys M38A1\u003c\/li\u003e\n\u003cli data-end=\"1022\" data-start=\"996\" data-section-id=\"1m4cys4\"\u003e1946–1964 Willys Truck\u003c\/li\u003e\n\u003cli data-end=\"1057\" data-start=\"1023\" data-section-id=\"iraoit\"\u003e1946–1964 Willys Station Wagon\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"1085\" data-start=\"1058\" data-section-id=\"hpn8j1\"\u003e1948–1951 Willys Jeepster\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":42448761487597,"sku":"647283","price":7.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/master-cylinder-boot-1941-1966-jeep-and-willys-976992.jpg?v=1762440595"},{"product_id":"master-cylinder-assembly-repair-kit-1941-1966-willys-and-jeep","title":"Master Cylinder Assembly Repair Kit, 1941-1966, Willys and Jeep","description":"\u003cp\u003eMaster Cylinder Repair Kit includes rubber boot (CJ, 2WD, 4WD) Fits: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eJeep MB Willys (1941-1945).\u003c\/li\u003e\n\u003cli\u003eJeep CJ-2A (1945-1949).\u003c\/li\u003e\n\u003cli\u003eJeep CJ-3A (1948-1953).\u003c\/li\u003e\n\u003cli\u003eJeep CJ-3B (1953-1966) w\/ Single Reservoir Master Cylinder.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-5 (1953-1966) w\/ Single Reservoir Master Cylinder.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-6 (1953-1966) w\/ Single Reservoir Master Cylinder.\u003c\/li\u003e\n\u003cli\u003eJeep Jeepster (VJ) (1948-1950).\u003c\/li\u003e\n\u003cli\u003eJeep Pickup (1947-1965) without 6-230 engine.\u003c\/li\u003e\n\u003cli\u003eJeep Station Wagon (1948-1963).\u003c\/li\u003e\n\u003cli\u003eJeep Sedan Delivery (1946-1964).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":42448785080557,"sku":"805654","price":39.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/master-cylinder-assembly-repair-kit-1941-1966-willys-and-jeep-523805.jpg?v=1762440779"},{"product_id":"disc-brake-proportioning-valve-universal-1941-1986-willys-and-jeep-vehicles","title":"Disc Brake Proportioning Valve, Universal, 1941-1986, Willys and Jeep Vehicles","description":"Proportioning valve used for disc brakes. Adjustable proportioning valves are essentially pressure reducing valves and are often utilized in disc\/drum, disc\/disc and drum\/drum braking systems. The valve is used to control front-to-rear brake pressure bias and will work for all types of vehicles. Install this valve between the distribution block and the rear flex hose in the front to rear rigid brake line. Always use tube wrenches to tighten fittings properly. Final settings of this valve will depend on your particular vehicle, and individual preference.­\u003cbr data-mce-fragment=\"1\"\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal design, adjustable, black finish\u003c\/li\u003e\n\u003cli\u003eMaximum pressure regulation 300 psi.\u003c\/li\u003e\n\u003cli\u003eInlet port of valve: 1\/8 – 27 NPT\u003c\/li\u003e\n\u003cli\u003eStandard adapters: 3\/8” – 24 for 3\/16” line included\u003c\/li\u003e\n\u003cli\u003eMounting hole diameter: .250” (two)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":42448850911469,"sku":"APV1","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/disc-brake-proportioning-valve-universal-1941-1986-willys-and-jeep-vehicles-650164.jpg?v=1762441266"},{"product_id":"dual-master-cylinder-conversion-kit-1941-1971-mb-gpw-cj-2a-cj-3a-cj-3b-cj","title":"Dual Reservoir Master Cylinder Conversion Kit – Disc\/Drum Upgrade – Willys Jeep (1941–1966)","description":"\u003cp data-start=\"119\" data-end=\"304\"\u003e\u003cstrong data-start=\"119\" data-end=\"206\"\u003eUpgrade your braking system with this dual reservoir master cylinder conversion kit\u003c\/strong\u003e, designed to improve safety by converting from a \u003cstrong data-start=\"256\" data-end=\"303\"\u003esingle reservoir to a dual reservoir system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"306\" data-end=\"462\"\u003eThis kit is ideal for use with \u003cstrong data-start=\"337\" data-end=\"385\"\u003edisc brake conversions or drum brake systems\u003c\/strong\u003e, providing added protection by separating the front and rear brake circuits.  Mad in USA\u003c\/p\u003e\n\u003cp data-start=\"464\" data-end=\"487\"\u003e⚙️ \u003cstrong data-start=\"467\" data-end=\"487\"\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"488\" data-end=\"745\"\u003e\n\u003cli data-section-id=\"1nj5jeq\" data-start=\"488\" data-end=\"549\"\u003eDual reservoir master cylinder \u003cem data-start=\"521\" data-end=\"547\"\u003e(disc brake application)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yn6ipd\" data-start=\"550\" data-end=\"606\"\u003eMounting bracket kit (high-strength steel, USA made)\u003c\/li\u003e\n\u003cli data-section-id=\"12cf57q\" data-start=\"607\" data-end=\"628\"\u003eMounting bolt kit\u003c\/li\u003e\n\u003cli data-section-id=\"nj5rhs\" data-start=\"629\" data-end=\"665\"\u003eProportioning valve with pigtail\u003c\/li\u003e\n\u003cli data-section-id=\"h7tx0k\" data-start=\"666\" data-end=\"687\"\u003eLinkage fasteners\u003c\/li\u003e\n\u003cli data-section-id=\"7cdt6p\" data-start=\"688\" data-end=\"709\"\u003eBench bleeder kit\u003c\/li\u003e\n\u003cli data-section-id=\"ygenbg\" data-start=\"710\" data-end=\"745\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/files\/CJ_Dual_Res_Instructions.pdf?v=1675791066\" style=\"font-size: 0.875rem;\"\u003ePDF Instructions\u003c\/a\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-69e6c88b-3d64-83ea-9397-18d9026fe948-23\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69e6c88b-3d64-83ea-9397-18d9026fe948-23\" data-turn-id-container=\"request-69e6c88b-3d64-83ea-9397-18d9026fe948-23\" data-testid=\"conversation-turn-194\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"6ee80c7e-1bae-44be-ac6f-977180639410\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-instant\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"747\" data-end=\"793\"\u003e\u003cstrong data-start=\"750\" data-end=\"793\"\u003eWhy Upgrade to a Dual Reservoir System?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"794\" data-end=\"1004\"\u003e\n\u003cli data-section-id=\"14b2yvc\" data-start=\"794\" data-end=\"854\"\u003eSeparates front and rear brake circuits for added safety\u003c\/li\u003e\n\u003cli data-section-id=\"cu9kj0\" data-start=\"855\" data-end=\"894\"\u003eReduces risk of total brake failure\u003c\/li\u003e\n\u003cli data-section-id=\"1yepcag\" data-start=\"895\" data-end=\"943\"\u003eImproves braking reliability and performance\u003c\/li\u003e\n\u003cli data-section-id=\"1ffzyc1\" data-start=\"944\" data-end=\"1004\"\u003eIdeal upgrade for disc brake conversions or restorations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1006\" data-end=\"1023\"\u003e⚠️ \u003cstrong data-start=\"1009\" data-end=\"1023\"\u003eImportant:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1024\" data-end=\"1299\"\u003e\n\u003cli data-section-id=\"1s1erff\" data-start=\"1024\" data-end=\"1082\"\u003e\n\u003cstrong data-start=\"1026\" data-end=\"1057\"\u003eNew brake lines must be run\u003c\/strong\u003e to the master cylinder\u003c\/li\u003e\n\u003cli data-section-id=\"qy0hb6\" data-start=\"1083\" data-end=\"1137\"\u003eDesigned primarily for \u003cstrong data-start=\"1108\" data-end=\"1135\"\u003edisc brake applications\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sdnj1a\" data-start=\"1138\" data-end=\"1189\"\u003e\u003cstrong data-start=\"1140\" data-end=\"1187\"\u003eDrum\/drum setups available by special order\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"i8ivro\" data-start=\"1190\" data-end=\"1254\"\u003ePlease specify \u003cstrong data-start=\"1207\" data-end=\"1238\"\u003evehicle year and brake type\u003c\/strong\u003e when ordering\u003c\/li\u003e\n\u003cli data-section-id=\"z6202c\" data-start=\"1255\" data-end=\"1299\"\u003eVerify compatibility before installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1301\" data-end=\"1313\"\u003e🚙 \u003cstrong data-start=\"1304\" data-end=\"1313\"\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1314\" data-end=\"1511\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1ovxpvo\" data-start=\"1314\" data-end=\"1337\"\u003e1941–1945 Willys MB\u003c\/li\u003e\n\u003cli data-section-id=\"185hoqo\" data-start=\"1338\" data-end=\"1360\"\u003e1941–1945 Ford GPW\u003c\/li\u003e\n\u003cli data-section-id=\"rf1oft\" data-start=\"1361\" data-end=\"1385\"\u003e1946–1949 Jeep CJ-2A\u003c\/li\u003e\n\u003cli data-section-id=\"3j5l7g\" data-start=\"1386\" data-end=\"1410\"\u003e1949–1953 Jeep CJ-3A\u003c\/li\u003e\n\u003cli data-section-id=\"acxez4\" data-start=\"1411\" data-end=\"1435\"\u003e1953–1964 Jeep CJ-3B\u003c\/li\u003e\n\u003cli data-section-id=\"o448gg\" data-start=\"1436\" data-end=\"1459\"\u003e1955–1966 Jeep CJ-5\u003c\/li\u003e\n\u003cli data-section-id=\"5tr65n\" data-start=\"1460\" data-end=\"1484\"\u003e1950–1952 Willys M38\u003c\/li\u003e\n\u003cli data-section-id=\"sw543i\" data-start=\"1485\" data-end=\"1511\" data-is-last-node=\"\"\u003e1952–1966 Willys M38A1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":42448854253805,"sku":"CJMDIPREMIUM","price":389.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/files\/dual-master-cylinder-conversion-discdrum-premium-kit-1941-1971-willys-and-jeep-514052.jpg?v=1762441316"},{"product_id":"master-cylinder-push-rod-1948-1966-willys-jeep-cj2a-cj3a-cj3b-cj5-cj6-m38-m38a1-647606","title":"Master Cylinder Push Rod and Plunger, 1948-1965, Willys Jeep CJ2A, CJ3A, CJ3B, CJ5, CJ6, M38, \u0026 M38A1","description":"\u003cp\u003eNew reproduction master cylinder push rod plunger. Push rod eye bolt and eyelet from brake pedal arm into master cylinder. Fits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1948-1949 Willys Jeep CJ-2A\u003c\/li\u003e\n\u003cli\u003e1949-1953 Willys Jeep CJ-3A\u003c\/li\u003e\n\u003cli\u003e1953-1964 Willys Jeep CJ-3B\u003c\/li\u003e\n\u003cli\u003e1955-1965 Willys Jeep CJ-5\u003c\/li\u003e\n\u003cli\u003e1950-1952 M38\u003c\/li\u003e\n\u003cli\u003e1952-1966 M38A1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":43243636359405,"sku":"647606","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/master-cylinder-push-rod-1948-1966-willys-jeep-cj2a-cj3a-cj3b-cj5-cj6-m38-m38a1-715316.jpg?v=1762442604"},{"product_id":"master-cylinder-assembly-1948-1968-willys-cj-series-pick-up-station-wagon-jeepster-fc-805223","title":"Master Cylinder – Single Reservoir (OE Style) – Willys Jeep \u0026 Truck (1946–1968)","description":"\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/H12UvEdBCtI?si=NQngerWKWDZ1YfDL\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp data-start=\"87\" data-end=\"243\"\u003e\u003cstrong data-start=\"87\" data-end=\"181\"\u003eRestore proper braking performance with this reproduction single reservoir master cylinder\u003c\/strong\u003e, designed as a direct replacement for original factory units.\u003c\/p\u003e\n\u003cp data-start=\"245\" data-end=\"383\"\u003eThis unit maintains the \u003cstrong data-start=\"269\" data-end=\"316\"\u003eoriginal single-circuit brake system design\u003c\/strong\u003e, making it ideal for accurate restorations and stock replacements.\u003c\/p\u003e\n\u003cp data-start=\"385\" data-end=\"408\"\u003e⚙️ \u003cstrong data-start=\"388\" data-end=\"408\"\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"409\" data-end=\"449\"\u003e\n\u003cli data-section-id=\"bactfx\" data-start=\"409\" data-end=\"449\"\u003e(1) Single reservoir master cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"451\" data-end=\"491\"\u003e🔧 \u003cstrong data-start=\"454\" data-end=\"491\"\u003eWhy Replace Your Master Cylinder?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"492\" data-end=\"701\"\u003e\n\u003cli data-section-id=\"1xco3ic\" data-start=\"492\" data-end=\"545\"\u003eWorn cylinders cause weak or inconsistent braking\u003c\/li\u003e\n\u003cli data-section-id=\"11ovoxg\" data-start=\"546\" data-end=\"599\"\u003eRestores proper hydraulic pressure and pedal feel\u003c\/li\u003e\n\u003cli data-section-id=\"1wmswj8\" data-start=\"600\" data-end=\"651\"\u003eMaintains original braking system configuration\u003c\/li\u003e\n\u003cli data-section-id=\"619usc\" data-start=\"652\" data-end=\"701\"\u003eIdeal for restoration or brake system service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"703\" data-end=\"720\"\u003e⚠️ \u003cstrong data-start=\"706\" data-end=\"720\"\u003eImportant:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"721\" data-end=\"904\"\u003e\n\u003cli data-section-id=\"ue3sda\" data-start=\"721\" data-end=\"769\"\u003e\u003cstrong data-start=\"723\" data-end=\"767\"\u003eSingle reservoir design (original style)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1e7l2a7\" data-start=\"770\" data-end=\"833\"\u003eVerify compatibility with your brake system before ordering\u003c\/li\u003e\n\u003cli data-section-id=\"l0502r\" data-start=\"834\" data-end=\"904\"\u003eConsider upgrading to a \u003cstrong data-start=\"860\" data-end=\"902\"\u003edual reservoir system for added safety\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"906\" data-end=\"918\"\u003e🚙 \u003cstrong data-start=\"909\" data-end=\"918\"\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"919\" data-end=\"1417\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1edvdzw\" data-start=\"919\" data-end=\"968\"\u003e1948–1949 Jeep CJ-2A \u003cem data-start=\"942\" data-end=\"966\"\u003e(After Serial #215649)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1hlk9i5\" data-start=\"969\" data-end=\"993\"\u003e1948–1953 Jeep CJ-3A\u003c\/li\u003e\n\u003cli data-section-id=\"1e5k20w\" data-start=\"994\" data-end=\"1047\"\u003e1953–1968 Jeep CJ-3B \u003cem data-start=\"1017\" data-end=\"1045\"\u003e(single reservoir systems)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"r2il4f\" data-start=\"1048\" data-end=\"1100\"\u003e1955–1965 Jeep CJ-5 \u003cem data-start=\"1070\" data-end=\"1098\"\u003e(single reservoir systems)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3ggt1o\" data-start=\"1101\" data-end=\"1153\"\u003e1955–1965 Jeep CJ-6 \u003cem data-start=\"1123\" data-end=\"1151\"\u003e(single reservoir systems)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12ymrsx\" data-start=\"1154\" data-end=\"1205\"\u003e1947–1965 Willys Pickup \u003cem data-start=\"1180\" data-end=\"1203\"\u003e(except 6-230 engine)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"iraoit\" data-start=\"1206\" data-end=\"1240\"\u003e1946–1964 Willys Station Wagon\u003c\/li\u003e\n\u003cli data-section-id=\"1dx19bb\" data-start=\"1241\" data-end=\"1276\"\u003e1948–1963 Willys Sedan Delivery\u003c\/li\u003e\n\u003cli data-section-id=\"1djk6fl\" data-start=\"1277\" data-end=\"1311\"\u003e1948–1950 Willys Jeepster (VJ)\u003c\/li\u003e\n\u003cli data-section-id=\"o8h93m\" data-start=\"1312\" data-end=\"1339\"\u003e1956–1964 Willys FC-150\u003c\/li\u003e\n\u003cli data-section-id=\"1l9vz5d\" data-start=\"1340\" data-end=\"1367\"\u003e1957–1964 Willys FC-170\u003c\/li\u003e\n\u003cli data-section-id=\"5tr65n\" data-start=\"1368\" data-end=\"1392\"\u003e1950–1952 Willys M38\u003c\/li\u003e\n\u003cli data-section-id=\"177ezy6\" data-start=\"1393\" data-end=\"1417\" data-is-last-node=\"\"\u003e1952–1966 Willys M38A1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":43243698290925,"sku":"805223","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/master-cylinder-assembly-1948-1968-willys-cj-series-pick-up-station-wagon-jeepster-fc-579401.jpg?v=1762442933"},{"product_id":"dual-master-cylinder-conversion-disc-drum-basic-kit-1941-1971-willys-and-jeep","title":"Dual Master Cylinder Conversion, Disc\/Drum Basic Kit, 1941-1971 Willys and Jeep","description":"\u003cp\u003eUse this kit with our disc brake kit. This kit is an important safety upgrade that converts your braking system from a single reservoir to a dual reservoir system. This application can be used with disc or drum brakes. This basic kit includes a dual master cylinder for disc brakes, main frame bracket, bracket mounting kit, and mounting bolt kit. The brackets are high strength steel and made in the USA. \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/files\/CJ_Dual_Res_Instructions.pdf?v=1675791066\"\u003ePDF Instructions\u003c\/a\u003e. Fits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1941-1945 MB\u003c\/li\u003e\n\u003cli\u003e1941-1945 GPW\u003c\/li\u003e\n\u003cli\u003e1946-1949 CJ-2A\u003c\/li\u003e\n\u003cli\u003e1949-1953 CJ-3A\u003c\/li\u003e\n\u003cli\u003e1953-1964 CJ-3B\u003c\/li\u003e\n\u003cli\u003e1955-1966 CJ-5\u003c\/li\u003e\n\u003cli\u003e1950-1952 M38\u003c\/li\u003e\n\u003cli\u003e1952-1966 M38A1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: You will need to run new brake lines to this master cylinder. Please state the type and year of vehicle in the notes. Drum\/drum applications can be special ordered, please call. \u003c\/p\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":44162824077549,"sku":"CJDRESBASIC","price":335.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/dual-master-cylinder-conversion-discdrum-basic-kit-1941-1971-willys-and-jeep-832148.jpg?v=1762444606"},{"product_id":"master-cylinder-brake-bleeder-kit-1941-1986-willys-and-jeep-vehicles","title":"Master Cylinder Brake Bleeder Kit, 1941-1986, Willys and Jeep Vehicles","description":"\u003cp\u003eMaster cylinder brake bleeder kit. This kit allows you to bleed any master cylinder prior to installation. We recommend bleeding every master cylinder before installation. Includes to clear hose, fittings, and instructions. This will work on any master cylinder found in the Willys and Jeep vehicles.\u003c\/p\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":44162858975469,"sku":"345","price":11.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/master-cylinder-brake-bleeder-kit-1941-1986-willys-and-jeep-vehicles-173777.jpg?v=1762444607"},{"product_id":"master-cylinder-push-rod-nos-1941-1948-willys-jeep-mb-gpw-cj-2a","title":"Master Cylinder Push Rod, NOS, 1941-1965, All Willys and Jeep Vehicles","description":"\u003cp\u003eNew old stock master cylinder push rod for the frame mounted master cylinder. This push rod wears out at the tip or becomes very rusted. Your threaded rod with the eyeletted hole threads into this. These are NOS so they will have dust and dirt. Get these NOS parts while they last. Fits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1941-1945 MB \u0026amp; GPW\u003c\/li\u003e\n\u003cli\u003e1946-1949 CJ-2A\u003c\/li\u003e\n\u003cli\u003e1948-1949 CJ-2A\u003c\/li\u003e\n\u003cli\u003e1949-1953 CJ-3A\u003c\/li\u003e\n\u003cli\u003e1953-1964 CJ-3B\u003c\/li\u003e\n\u003cli\u003e1955-1965 CJ-5 and CJ-6\u003c\/li\u003e\n\u003cli\u003e1950-1952 M38\u003c\/li\u003e\n\u003cli\u003e1952-1966 M38A1\u003c\/li\u003e\n\u003cli\u003e1948-1951 Willys Jeepster\u003c\/li\u003e\n\u003cli\u003e1946-1964 Willys Station Wagon\u003c\/li\u003e\n\u003cli\u003e1947-1964 Willys Pickup Truck\u003c\/li\u003e\n\u003cli\u003e1957-1964 FC-150 and FC-170\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":44317925376237,"sku":"647282","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/master-cylinder-push-rod-nos-1941-1965-all-willys-and-jeep-vehicles-794673.jpg?v=1762444984"},{"product_id":"remote-power-brake-booster-1941-1966-willys-and-jeep","title":"Remote Power Brake Booster Kit, 1941-1966, Willys and Jeep","description":"\u003cp\u003eLooking for power brakes and more stopping power? Check out our remote power brake booster kit. Most customers typically mount these on the driver side inner fender as seen in out photos. The main line in the front of the slave cylinder will tee into your front metal lines and the smaller line on the side of the slave cylinder needs to tee into the \"Y\" fitting at the master cylinder. \u003cstrong\u003ePlease note, this does not connect directly to your master cylinder and it is intended to be mounted remotely.\u003c\/strong\u003e Here is a YouTube video of a similar installation: \u003ca href=\"https:\/\/youtu.be\/OUZ6c5v4AwM?si=Fny_2xfSiTcb-gwM\"\u003ehttps:\/\/youtu.be\/OUZ6c5v4AwM?si=Fny_2xfSiTcb-gwM\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo not buy this if you can't bend or flare brake lines.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis kit includes everything you need to remotely add power brakes to your vintage Willys Jeep. With frame mounted master cylinders there isn't enough room to add power brakes but this kit allows you to mount the booster remotely. This is a compact 7\" booster that is capable of producing over 800 psi of fluid pressure to your master cylinder. This kit also produces enough vacuum to run vacuum to operate vacuum wipers if you have a vacuum wiper equipped vehicle. This is an excellent addition to our disc brake kits. This will only fit single reservoir master cylinders. Do not buy this if you can't bend or flare brake lines.  Fits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMB and GPW (1941-1945)\u003c\/li\u003e\n\u003cli\u003eCJ-2A (1948-1949)\u003c\/li\u003e\n\u003cli\u003eCJ-3A (1948-1953)\u003c\/li\u003e\n\u003cli\u003eCJ-3B (1953-1968) \u003c\/li\u003e\n\u003cli\u003eCJ-5 (1955-1965)\u003c\/li\u003e\n\u003cli\u003eCJ-6 (1955-1965)\u003c\/li\u003e\n\u003cli\u003eWillys Pickup (1947-1965) \u003c\/li\u003e\n\u003cli\u003eWillys Station Wagon (1946-1964)\u003c\/li\u003e\n\u003cli\u003eWillys Sedan Delivery (1948-1963)\u003c\/li\u003e\n\u003cli\u003eWillys Jeepster (VJ) (1948-1950)\u003c\/li\u003e\n\u003cli\u003eWillys FC-150 (1956-1964)\u003c\/li\u003e\n\u003cli\u003eWillys FC-170 (1957-1964)\u003c\/li\u003e\n\u003cli\u003eM38 (1950-1952)\u003c\/li\u003e\n\u003cli\u003eM38A1 (1952-1966)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":47383309451501,"sku":"805200","price":289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/files\/remote-power-brake-booster-kit-1941-1966-willys-and-jeep-445407.jpg?v=1735527733"},{"product_id":"disc-brake-proportioning-valve-with-distribution-block-1941-1986-willys-and-jeep-vehicles","title":"Disc Brake Proportioning Valve with Distribution Block, 1941-1986, Willys and Jeep Vehicles","description":"\u003cp\u003eUniversal adjustable proportioning valve and distribution block all in one. Adjustable proportioning valves are essentially pressure reducing valves and are often utilized in disc\/drum, disc\/disc and drum\/drum braking systems. The valve is used to control front-to-rear brake pressure bias and will work for all types of vehicles.  Features a rotary adjustment to regulate rear brake pressure and help maintain correct brake bias between front and rear. Distribution block connects to master cylinder and distributes brake fluid to all four wheels. Includes five stainless steel fittings for 3\/16\" brake line and 3\/8-24 fittings. Light switch and wiring pigtail included. Will fit all Willys and Jeep vehicles with 3\/16\" lines. Designed for vehicles with disc brakes. \u003c\/p\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":47408791060717,"sku":"PVC-B","price":157.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/files\/disc-brake-proportioning-valve-with-distribution-block-1941-1986-willys-and-jeep-vehicles-668578.jpg?v=1735527703"},{"product_id":"dual-master-cylinder-conversion-w-remote-reservoir-1941-1971-willys-and-jeep","title":"Dual Reservoir Master Cylinder Conversion w\/Remote Reservoir, 1948-1971, Willys and Jeep","description":"\u003cp\u003eCheckout this dual reservoir master cylinder conversion kit with remote reservoirs. This kit work with drum brakes and our disc brake conversions. This unit is a direct-fit replacement for the original single master cylinder, which used two through-bolts on the factory frame mount. Unlike current dual master cylinders on the market—many of which require extensive frame cutting and the removal of the factory bracket to install their bolt-on replacements—ours installs easily with no frame modifications needed. There's no bellhousing clearance issue, no more awkwardly filling the master cylinder from underneath, We've collaborated with top vintage Jeep enthusiasts to develop a sleek, easy-to-install design that’s not only user-friendly but also fully rebuildable. These were designed by Vintage Jeeper and tested by Vintage Jeeper.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/files\/BRW405BD8A10289_001039.pdf?v=1773754684\" title=\"Dual Reservoir Installation\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eNote: This is meant to replace the 805223 later style master cylinder, not the A556. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual Tandem Master Cylinder with a spade connector brake light switch preinstalled and 3\/16\" brake line connections\u003c\/li\u003e\n\u003cli\u003e2 Remote reservoir cups and lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePainted Cast Iron Body Construction\u003c\/li\u003e\n\u003cli\u003eHardened Seal Pistons (NOT aluminum)\u003c\/li\u003e\n\u003cli\u003e3 Seals per Piston\u003c\/li\u003e\n\u003cli\u003eAll Fitting connections are sealed with Locktite Industrial Hydraulic sealer\u003c\/li\u003e\n\u003cli\u003eSpade terminal brake light switch\u003c\/li\u003e\n\u003cli\u003eChemical resistance clear reservoir lines\u003c\/li\u003e\n\u003cli\u003eUses the factory single master cylinder bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1941-1945 MB (with modification)\u003c\/li\u003e\n\u003cli\u003e1941-1945 GPW (with modification)\u003c\/li\u003e\n\u003cli\u003e1946-1948 Willys Jeep CJ-2A (with modification) Up To Serial #215649\u003c\/li\u003e\n\u003cli\u003e1948-1949 Willys Jeep CJ-2A (bolt on)\u003c\/li\u003e\n\u003cli\u003e1949-1953 Willys Jeep CJ-3A (bolt on)\u003c\/li\u003e\n\u003cli\u003e1953-1964 Willys Jeep CJ-3B (bolt on)\u003c\/li\u003e\n\u003cli\u003e1955-1966 Willys Jeep CJ-5 and CJ-6 (bolt on)\u003c\/li\u003e\n\u003cli\u003e1950-1952 M38 (bolt on)\u003c\/li\u003e\n\u003cli\u003e1952-1966 M38A1 (bolt on)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":48064025297133,"sku":"DUALRES","price":390.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/files\/dual-reservoir-master-cylinder-conversion-wremote-reservoir-1941-1971-willys-and-jeep-241875.png?v=1746611274"},{"product_id":"master-cylinder-gasket-48-68-willys-cj-series-pick-up-station-wagon-jeepster-fc-m38-m38a1-copy","title":"Master Cylinder Gasket, 1941-1968, Willys and Jeep","description":"\u003cp\u003eBrand new reproduction master cylinder cap gasket. Gasket material that is die cut for precision and resistant to brake fluid. Single reservoirs only. Fits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWillys Jeep CJ-2A (1948-1949); After Serial #215649.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-3A (1948-1953)\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-3B (1953-1968) w\/ Single Cylinder Master Cylinder.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-5 (1955-1965) w\/ Single Cylinder Master Cylinder.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-6 (1955-1965) w\/ Single Cylinder Master Cylinder.\u003c\/li\u003e\n\u003cli\u003eWillys Pickup (1947-1965) without 6-230 engine.\u003c\/li\u003e\n\u003cli\u003eWillys Station Wagon (1946-1964)\u003c\/li\u003e\n\u003cli\u003eWillys Sedan Delivery (1948-1963)\u003c\/li\u003e\n\u003cli\u003eJeepster (VJ) (1948-1950)\u003c\/li\u003e\n\u003cli\u003eWillys FC-150 (1956-1964)\u003c\/li\u003e\n\u003cli\u003eWillys FC-170 (1957-1964)\u003c\/li\u003e\n\u003cli\u003eM38 (1950-1952)\u003c\/li\u003e\n\u003cli\u003eM38A1 (1952-1966)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":49209364381933,"sku":"637612","price":2.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/files\/master-cylinder-gasket-1941-1968-willys-and-jeep-1644283.jpg?v=1767428784"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/collections\/master-brake-cylinders-parts-323036.jpg?v=1742082651","url":"https:\/\/thejeepsterman.com\/fr\/collections\/willys-cj3b-jeep-master-brake-cylinder-parts.oembed","provider":"The JeepsterMan","version":"1.0","type":"link"}