OMIX-ADA
Manual Trans Mainshaft Washer 1946-1949 CJ2A 1949-1953 CJ3A 1953-1966 CJ3B 1950-1952 M38 1952-1957 M38A1 1946-1955 OMIX
SKU: O01C 18880.12
Description
Part #: 18880.12
OMIX proudly offers all the parts you need to keep your Willys/Jeep running like new With quality standards that always meet Or exceed those of the factory part. This replacement transmission main shaft washer fits 46-49 CJ2A, 49-53 CJ3A, 53-66 CJ3B, 50-52 M38, 52-57 M38A1, 46-55 Truck / Station Wagon, 48-50 Jeepster VJ, 55-65 FC150 / FC170, and 55-71 CJ5 / CJ6 models equipped With T90 3-speed manual transmissions.For main shaft nut, use 18880.11. Replaces OE A-1410Features and Benefits:Direct FitLimited 5 Year WarrantyOE StyleSteel
Features:
- Steel
- OE Style
- Direct Fit
- Limited 5 Year Warranty
T90 Main Shaft Washer 1941-1971 Willys and Jeep By Omix
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | OMIX-ADA |
| Part Number | O01C 18880.12 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy