Gaskets and Seals› Drivetrain Gaskets and Seals
Cometic Gasket
Cometic Muncie M21 AFM Transmission Gasket Kit
SKU: C006 C15255
Moderate — 2–4 hours
Description
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 | Cometic Gasket |
| Part Number | C006 C15255 |
Videos
Muncie 4 Speed M20 M21 M22 Transmission Gaskets and Seals
Quick Tip - Muncie 4 Speed Transmission Bearing Retainer Gaskets
HOW TO INSTALL A TRANSMISSION PAN GASKET (Moroso Perm-align one piece gaskets)
TRANSMISSION PAN STILL LEAKING FLUID AFTER NEW GASKET REPLACEMENT (7 REASONS WHY)
Why You NEVER ATTEMPT To Use RTV Gasket Maker Without Doing This First!!
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