✓ 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.
COMETIC
SKU: 68-10211
Cometic Primary Housing Gasket - TO Engine Gasket M8 1pk Oe#25700455 — Harley-Davidson (2017-2019)
$31.76
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Cometic primary housing gasket for Harley-Davidson Milwaukee-Eight (M8) engines, OEM part number 25700455. Direct replacement for the primary cover seal on M8-equipped Touring, Softail, and Dyna models.
Features
- OEM Cometic replacement gasket
- Direct fit M8 primary housing
- 1-pack quantity
Specifications
- Brand: Cometic
- Manufacturer Part #: C10211
- OEM Part #: 25700455
- Length: 8 in
- Width: 8.5 in
- Height: 0.25 in
- Weight: 0.15 lbs
Fitment
Fits Harley-Davidson models with Milwaukee-Eight (M8) engines, including 2017+ Touring, Softail, and Dyna models using OEM primary housing.
Frequently Asked Questions
Will this fit my Twin Cam Harley?
No — this gasket is specific to Milwaukee-Eight (M8) engines. Twin Cam models require a different part number.
What's the OEM part number?
Harley-Davidson OEM part number 25700455. This Cometic gasket is a direct replacement.
Is this a single gasket or a pack?
One gasket per pack — enough for one primary housing seal.
Do I need to remove the primary cover to install this?
Yes. The primary cover must be unbolted to access and replace the housing gasket.
| BRAND | Cometic |
| TYPE | Gaskets/Seals |
| SKU | 68-10211 |
| WEIGHT | 0.15 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
Oct 18, 2021
Great seals and gaskets do the job once when you use quality gaskets
✓ VERIFIED
Sep 26, 2019
Seal good and I haven't had any issues..
✓ VERIFIED
Jun 27, 2025
It worked like it was suppose to, delivery was quick. <br />Pleased.
✓ VERIFIED
Dec 19, 2023
Just what I needed
Needed these when changing out intake manifold. They worked perfect for my ‘03 sporty.
✓ 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.
