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Jeepsterman

Heater Plenum Box – Under Dash (Polyurethane) – CJ-5, CJ-6 & Willys Truck/Wagon (1957–1971)

Heater Plenum Box – Under Dash (Polyurethane) – CJ-5, CJ-6 & Willys Truck/Wagon (1957–1971)

Part #: 649151
Prix habituel $89.99
Prix habituel $99.99 USD Prix soldé $89.99 USD
Vente Épuisé
Frais d'expédition calculés à l'étape de paiement.

Restore proper cabin heating and airflow with this heater plenum box, designed to mount under the dash and distribute air to the floor or defroster vents.

Constructed from durable polyurethane, this unit is built to last while maintaining correct function for vintage heating systems.

⚙️ What’s Included:

  • (1) Heater plenum box
  • Integrated flapper door for airflow control

🔧 Why Replace Your Heater Plenum Box?

  • Old boxes crack, warp, or leak air
  • Restores proper heat distribution
  • Allows switching between floor heat and defrost
  • Improves cabin comfort and windshield visibility

⚠️ Important:

  • Features two defroster hose connections
  • On CJ-5 and CJ-6, one port is blocked off
  • A collar is required to adapt to larger diameter hose
  • Verify hose routing and sizing before installation

🚙 Fits:

  • 1957–1971 Jeep CJ-5
  • 1957–1971 Jeep CJ-6
  • 1957–1964 Willys Pickup Truck
  • 1957–1964 Willys Station Wagon

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