Transmission Rear Main Shaft
Fits 46-71 Jeep & Willys with T-90 Transmission

Part # 640390

New Transmission Mainshaft (1 required per vehicle)

Measures 10-1/4" in length

Spline count 6-10-6.

Application:
T-90 Transmission

Fits:
46-49 CJ-2A
49-53 CJ-3A
53-64 CJ-3B
55-71 CJ-5
50-52 M38
52-66 M38A1
46-64 Truck
46-64 Station Wagon

Product Pricing Table
Part # Price
640390

$83.99

MSRP:

$83.99

MSRP:

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What is the pilot diameter?

Willys Jeep Parts Tech:
.765 diameter like original.

What type of material is this part made out of?

Willys Tech:
What type of material is this part made out of?
Willys Tech:
Hardeded steel.