{"title":"Water Pumps","description":"Willys CJ3A Jeep Cooling Water Pumps Parts.","products":[{"product_id":"water-pump-impeller-1941-1971-willys-and-jeep","title":"Water Pump Impeller – Replacement – 4-134 L-Head \u0026 F-Head Engines (1941–1971)","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\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\"\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 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 dir=\"auto\" 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\" 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\u003e\u003cstrong\u003eRestore proper cooling performance with this replacement water pump impeller\u003c\/strong\u003e, designed for \u003cstrong\u003eWillys 4-134 L-Head and F-Head engines\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe impeller is a critical component of your cooling system, circulating coolant through the engine to maintain optimal operating temperature.\u003c\/p\u003e\n\u003cp\u003e⚙️ \u003cstrong\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Water pump impeller\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e🔧 \u003cstrong\u003eWhy Replace Your Impeller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWorn or corroded impellers reduce coolant flow\u003c\/li\u003e\n\u003cli\u003ePrevents overheating and engine damage\u003c\/li\u003e\n\u003cli\u003eRestores efficient cooling system performance\u003c\/li\u003e\n\u003cli\u003eIdeal during water pump rebuild or service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eImportant:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003e4-134 L-Head and F-Head engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with your water pump assembly before installation\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 Willys MB \u003cem\u003e(4-134 L-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1941–1945 Ford GPW \u003cem\u003e(4-134 L-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1950–1952 Willys M38 \u003cem\u003e(4-134 L-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1952–1963 Willys M38A1 \u003cem\u003e(4-134 F-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1945–1949 Jeep CJ-2A \u003cem\u003e(4-134 L-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1948–1953 Jeep CJ-3A \u003cem\u003e(4-134 L-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1953–1968 Jeep CJ-3B \u003cem\u003e(4-134 F-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1955–1971 Jeep CJ-5 \u003cem\u003e(4-134 F-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1955–1971 Jeep CJ-6 \u003cem\u003e(4-134 F-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1966–1971 Jeep C101 Commando \u003cem\u003e(4-134 F-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1956–1964 Jeep FC-150 \u003cem\u003e(4-134 F-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1948–1950 Jeepster (VJ) \u003cem\u003e(4-134 L-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1950 Jeepster (VJ) \u003cem\u003e(4-134 F-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1947–1950 Jeep Pickup \u003cem\u003e(4-134 L-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1950–1954 Jeep Pickup \u003cem\u003e(4-134 F-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1946–1953 Jeep Station Wagon \u003cem\u003e(4-134 L-Head)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e1950–1955 Jeep Station Wagon \u003cem\u003e(4-134 F-Head)\u003c\/em\u003e\n\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 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":42448742482157,"sku":"639993","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/water-pump-impeller-1941-1971-willys-and-jeep-272792.jpg?v=1762440480"},{"product_id":"water-pump-4-134-1941-1971-willys-and-jeep","title":"Water Pump, 4-134, 1941-1971, Willys and Jeep","description":"\u003cp\u003eNew reproduction water pump for the 4 cylinder, 134 CID, L Head and F Head. Includes a new gasket and pipe plugs. Fits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWillys MB (1941-1945) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-2A (1945-1949) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-3A (1948-1953) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-3B (1953-1968) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-5 (1955-1966) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-5 (1967-1971) w\/ 4-134 F-Head engine; without Emission Pump.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-6 (1955-1966) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-6 (1967-1971) w\/ 4-134 F-Head engine; without Emission Pump.\u003c\/li\u003e\n\u003cli\u003eJeep FC-150 (1956-1964) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep Jeepster Commando (1967-1971) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Pickup Truck (1947-1950) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Pickup Truck (1950-1954) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys VJ Jeepster (1948-1950) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys VJ Jeepster (1950) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Station Wagon (1946-1953) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Station Wagon (1950-1955) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wuLLh-0I1gM?si=EI_YLVRNXtuSXpIQ\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":42448765419757,"sku":"649717","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/water-pump-4-134-1941-1971-willys-and-jeep-560253.jpg?v=1762440622"},{"product_id":"water-pump-service-kit-1941-1971-willys-jeep-4-134","title":"Water Pump Rebuild Kit, 1941-1971, Willys and Jeep, 4-134 Engine","description":"\u003cp\u003eWater pump service kit for Willys, and Jeep models with 134 cubic inch engines. This kit includes impeller bearing, gasket, washer, impeller, and water pump seal.  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 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\u003e1955-1971 Willys Jeep 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\u003e1947-1953 Willys Pickup Truck\u003c\/li\u003e\n\u003cli\u003e1946-1953 Willys Station Wagon and Sedan Delivery\u003c\/li\u003e\n\u003cli\u003e1948-1951 Willys VJ Jeepster\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":42448848716013,"sku":"A6839K","price":33.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/water-pump-service-kit-1941-1971-willysjeep-4-134-150911.jpg?v=1762441233"},{"product_id":"single-groove-water-pump-pulley-1941-1971-jeep-and-willys-with-4-134-engine-636299","title":"Single Groove Water Pump Pulley, 1941-1971 Jeep and Willys with 4-134 Engine","description":"\u003cp\u003eWater pump pulley fits onto the end of water pump shaft flange to accept original wide fan belt for your 4-134 engine. 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\u003e1955-1971 CJ-5\u003c\/li\u003e\n\u003cli\u003e1946-1953 Truck\u003c\/li\u003e\n\u003cli\u003e1946-1953 Station Wagon\u003c\/li\u003e\n\u003cli\u003e1948-1951 Jeepster\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":43243750424813,"sku":"636299","price":39.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/single-groove-water-pump-pulley-1941-1971-jeep-and-willys-with-4-134-engine-588584.jpg?v=1762443189"},{"product_id":"water-pump-impeller-bearing-4-134-1941-1971-willys-and-jeep","title":"Water Pump Impeller Bearing, 4-134, 1941-1971 Willys and Jeep","description":"\u003cp\u003eWater pump impeller bearing for the 4 cylinder, 134 CID, L Head and F Head. This can be used if you are rebuilding your water pump.  Fits: \u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWillys MB (1941-1945) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-2A (1945-1949) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-3A (1948-1953) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-3B (1953-1968) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-5 (1955-1966) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-5 (1967-1971) w\/ 4-134 F-Head engine; without Emission Pump.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-6 (1955-1966) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-6 (1967-1971) w\/ 4-134 F-Head engine; without Emission Pump.\u003c\/li\u003e\n\u003cli\u003eJeep FC-150 (1956-1964) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep Jeepster Commando (1967-1971) w\/ 4-134 F-Head engine; without Emission Pump.\u003c\/li\u003e\n\u003cli\u003eJeep Pickup (1947-1950) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep Pickup (1950-1954) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep Jeepster (1948-1950) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep Jeepster (1950) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep Station Wagon (1946-1953) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep Station Wagon (1950-1955) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":44425034531053,"sku":"808129","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/products\/water-pump-impeller-bearing-4-134-1941-1971-willys-and-jeep-776391.jpg?v=1762445098"},{"product_id":"high-flow-water-pump-impeller-4-134-1941-1971-willys-and-jeep","title":"High Flow Water Pump Impeller, 4-134, 1941-1971, Willys and Jeep","description":"\u003cp\u003eHigh Flow Water Pump Impeller — L-134 \u0026amp; F-134 engines. Tired of overheating? Upgrade your flathead or F-head cooling system with this high-efficiency billet aluminum impeller engineered by Vintage Jeeper. Designed to fit L-134 and F-134 water pumps that use modern internals — including Crown, Omix, and other current production pumps.\u003c\/p\u003e\n\u003cp\u003e✅ \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMade in the USA\u003c\/p\u003e\n\u003cp\u003eDirect replacement — press-on installation\u003c\/p\u003e\n\u003cp\u003eCompatible with Crown, Omix, and other modern water pumps\u003c\/p\u003e\n\u003cp\u003ePrecision CNC-machined billet aluminum\u003c\/p\u003e\n\u003cp\u003eHigher flow rate \u0026amp; increased system pressure\u003c\/p\u003e\n\u003cp\u003eReduces steam pockets \u0026amp; hot spots in the block\u003c\/p\u003e\n\u003cp\u003eImproves overall heat dissipation and engine temperature stability\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eRemove the original impeller and press this one onto the shaft\u003c\/p\u003e\n\u003cp\u003eUse retaining compound on the shaft and impeller bore before pressing\u003c\/p\u003e\n\u003cp\u003eRubber seal behind the impeller is fully compatible with this upgrade\u003c\/p\u003e\n\u003cp\u003eGive your Willys cooling system modern performance — without changing its original appearance.\u003c\/p\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":48917141717229,"sku":"649700","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/files\/high-flow-water-pump-impeller-4-134-1941-1971-willys-and-jeep-4061386.jpg?v=1761330818"},{"product_id":"bypass-hose-water-pump-fitting-4-134-1941-1971-willys-and-jeep","title":"Bypass Hose Water Pump Fitting, 4-134, 1941-1971, Willys and Jeep","description":"\u003cp\u003eNew water pump bypass or heater hose fitting. The threaded portion is 3\/8\" NPT and has the correct 5\/8\" barb. Fits 4-134 water pump, L Head and F Head. Fits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWillys MB (1941-1945) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-2A (1945-1949) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-3A (1948-1953) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-3B (1953-1968) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-5 (1955-1966) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-5 (1967-1971) w\/ 4-134 F-Head engine; without Emission Pump.\u003c\/li\u003e\n\u003cli\u003eWillys Jeep CJ-6 (1955-1966) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep CJ-6 (1967-1971) w\/ 4-134 F-Head engine; without Emission Pump.\u003c\/li\u003e\n\u003cli\u003eJeep FC-150 (1956-1964) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eJeep Jeepster Commando (1967-1971) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Pickup Truck (1947-1950) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Pickup Truck (1950-1954) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys VJ Jeepster (1948-1950) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys VJ Jeepster (1950) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Station Wagon (1946-1953) w\/ 4-134 L-Head engine.\u003c\/li\u003e\n\u003cli\u003eWillys Station Wagon (1950-1955) w\/ 4-134 F-Head engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"JeepsterMan","offers":[{"title":"Default Title","offer_id":48935685554413,"sku":"7372810","price":8.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/files\/bypass-hose-water-pump-fitting-4-134-1941-1971-willys-and-jeep-6393432.jpg?v=1761797141"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/5931\/3389\/collections\/water-pumps-300350.jpg?v=1742084985","url":"https:\/\/thejeepsterman.com\/fr\/collections\/willys-cj3a-jeep-cooling-water-pumps-parts.oembed","provider":"The JeepsterMan","version":"1.0","type":"link"}