COMETIC SKU: 68-10212

Cometic Milwaukee 8 Transmission Gasket - O-Ring Trans Plug M8 10pk Oe#11900092 — Harley-Davidson (2017-2019)

$11.31
Free shipping on orders $99+ · Best value guarantee
From $0.94/mo with Affirm. See if you prequalify
OUT OF STOCK
Free Shipping on orders $99+
Best Value Guarantee
30-Day Returnssee policy
Authorized Dealer — sourced direct
NOT SURE ABOUT FITMENT?

Cometic Milwaukee 8 transmission O-ring gasket plug for V-twin motorcycles, sold in a 10-pack. Direct replacement for Harley OE#11900092, engineered to seal the transmission against leaks under engine load.

Features

  • 10-pack quantity
  • Direct OEM replacement (Harley OE#11900092)
  • For Milwaukee 8 V-twin engines

Specifications

  • Brand: Cometic
  • Manufacturer Part #: C10212
  • OE Reference: 11900092
  • Length: 7 in
  • Width: 6 in
  • Height: 0.25 in
  • Weight: 0.05 lbs

Fitment

Fits Milwaukee 8 V-twin motorcycles, including Harley-Davidson models that use OE#11900092 transmission seals.

Frequently Asked Questions

What Harley models use this gasket?

This part replaces OE#11900092 on Milwaukee 8 V-twin engines. Check your bike's manual or parts diagram to confirm fitment.

Why buy a 10-pack?

The 10-pack is ideal for shops, fleets, or riders stocking spares for multiple bikes and future service intervals.

Is this the same as the original Harley gasket?

This Cometic gasket is engineered to OEM specifications as a direct replacement for Harley OE#11900092.

Will this work on Twin Cam engines?

No — this gasket is specific to Milwaukee 8 (M8) engines. Twin Cam models require a different part number.

BRANDCometic
TYPEGaskets/Seals
SKU68-10212
WEIGHT0.05 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.87
15 RATINGS
5★ 13
4★ 2
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Jan 16, 2020

Almost identical to OEM. Good fit. I did miss that they are sold as each and not as a pair. Small detail and my fault but it did slow my project down a bit.

— Anonymous
✓ VERIFIED
Oct 18, 2021

Great seals and gaskets do the job once when you use quality gaskets

— Anonymous
✓ VERIFIED
Sep 26, 2019

Seal good and I haven't had any issues..

— Anonymous
✓ VERIFIED
Jun 27, 2025

It worked like it was suppose to, delivery was quick. <br />Pleased.

— Lloyd S
✓ VERIFIED
Dec 19, 2023

Just what I needed

Needed these when changing out intake manifold. They worked perfect for my ‘03 sporty.

— Carlos L
✓ VERIFIED
Jun 12, 2023

Cometic from here on out

These seals are the only ones I'll use. others came close but, for me, these are best.

— Vincent S