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New Under Dash Heater Plenum Assembly
Fits 57-71 CJ-5, Truck, Station Wagon

Part # 649151

New Under Dash Heater Plenum Assembly

This has the flap to divert the heat to the floor or the defrosters. It has 2 connections for the defroster hoses.

The defroster duct is made of plastic instead of cardboard that rots away. Made in the USA.

Fits:
57-71 CJ-5
57-64 Truck
57-64 Station Wagon

Note:
On CJ5 and CJ6 models the one hole is blocked off and a collar is needed to step the hole to the bigger diameter hose. (This is how it was done from the factory).

Part # Price
649151

$99.99

MSRP:

$99.99

MSRP:

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Do you sell the hose that goes from the diverter box to the defroster? Please advise.

Willys Jeep Parts Tech:
Please email mike@Kaiserwillys.com your vehicle information, length and diameter you are looking for. Thanks!

What diameter hose goes to the defrosters and why are they 2 diff sizes?

Willys Jeep Parts Tech:
1 5/8 in 2 in I believe for air flow purposes.

What is the diameter of the defroster holes. What size hose do I need for this?

Willys Jeep Parts Tech:
Capillary like original.

Does the heater core mount inside? And if so what are the dimensions of the heater core needed.

Willys Jeep Parts Tech:
What vehicle you working on there? Please email mike@kaiserwillys.com and we can help out.

What is the additional black tab with the hole at one end shown in the first photo used for?

Willys Jeep Parts Tech:
The black plastic tab attaches to the firewall and the plenum to hold it in place under the dash. Thanks

What is the inside dimensions on the square end?

Willys Jeep Parts Tech:
3-1/2" x 3-1/8"

How about the hoses that go to the defroster'?

Willys Jeep Parts Tech:
Please call us toll free. We should have some options available for you.
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