What is the purpose of a main shaft washer in a transmission?

A main shaft washer helps to properly space and align components within the transmission, such as bearings and gears. It ensures that the main shaft and its associated parts are held securely in their correct positions for smooth operation.

Does this washer come with any hardware or nuts?

This part is just the main shaft washer itself. If you need the main shaft nut, Omix offers part number 18880.11 separately.

What kind of warranty does this Omix part have?

This Omix T90 Main Shaft Washer is covered by a limited 5-year warranty from the manufacturer, offering you protection against defects in materials and workmanship.

Specifications

Brand: OMIX
Part #: 18880.12
UPC: 804314066383

OMIX

Omix T90 Main Shaft Washer 41-71 Willys & Jeep

Name: Omix T90 Main Shaft Washer 41-71 Willys & Jeep
Brand: OMIX
SKU: omix-omix-t90-main-shaft-washer-41-71-willys-jeep-t14-443063
Price: 8.54 USD
Availability: BackOrder

$8.54

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Omix T90 Main Shaft Washer for 1946-1975 Willys & Jeep. Direct fit steel washer for T90 manual transmissions.

Key Features

Fits 1946-1975 Willys and Jeep models equipped with T90 3-speed manual transmissions.
Direct fit OE style replacement washer.
Constructed from steel for durability.
Replaces original part number A-1410.
Backed by a limited 5-year warranty.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

No-fit, no charge. Wrong part? Send it back, free return label.

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Will it fit your car?

About this part

Product Details

If you're working on the transmission of a classic Willys or Jeep, this Omix T90 Main Shaft Washer is what you need to get the job done right. This part is designed to replace the original main shaft washer in a variety of T90 3-speed manual transmissions found in many Willys and Jeep models from the mid-40s through the early 70s. It's a small but critical piece that helps ensure proper function and alignment within the transmission.

Omix builds these washers to OE style specifications, meaning they fit right and perform as expected. It's made from steel, a solid material for this application, and is a direct fit replacement. This means you won't have to modify anything to get it installed; it's made to go right in place of the original part. Keeping your transmission's internal components properly seated and aligned is key to its longevity, and this washer plays an important role in that.

This washer is compatible with a wide range of Willys and Jeep vehicles, including models like the CJ5, CJ6, CJ3, and Wagoneer, among others equipped with the T90 transmission. For peace of mind, Omix backs this part with a limited 5-year warranty.