✓ 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: 68-9645F
Cometic Twin Cam & EVO Transmission Gasket 10-Pack - Harley-Davidson
$30.87
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About Cometic
Cometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.
This Cometic transmission gasket is designed for both Evolution and Twin Cam V-twin motorcycle engines, providing a direct OEM replacement for crucial transmission sealing. Offered in a practical 10-pack, it's an excellent choice for repair shops, multi-bike owners, or any rider who values having essential spares on hand. These gaskets ensure a tight seal to prevent leaks and maintain transmission integrity.
Why riders pick this
- Direct OEM replacement for transmission cases
- Fits both Evolution and Twin Cam V-twin engines
- Convenient 10-pack for shops or multi-bike owners
- Ensures a secure, leak-free transmission seal
When it comes to maintaining the transmission on your Harley-Davidson Evolution or Twin Cam, a quality gasket is non-negotiable. This Cometic gasket is manufactured to exacting OEM specifications, ensuring a perfect fit and reliable seal to keep your transmission fluid contained and free from contaminants. The convenience of a 10-pack means you're always prepared for routine maintenance, rebuilds, or unexpected repairs, making it a smart investment for any serious V-twin enthusiast.
Reliable Sealing for EVO and Twin Cam Transmissions
- Direct OEM replacement for transmission case sealing
- Compatible with both Evolution and Twin Cam V-twin engines
- Bulk 10-pack for professional use or stocking spares
- Helps prevent costly fluid leaks and maintain transmission health
Keep Your Harley Running Strong
Proper transmission sealing is fundamental to the longevity and performance of your Harley-Davidson. Whether you're working on an older Evolution-powered Electra Glide or a Twin Cam Softail Fat Boy, this Cometic gasket provides the peace of mind that comes with a secure, leak-free seal. Having a supply of these gaskets ensures that you can tackle transmission service with confidence, knowing you have the right parts to get the job done right and keep your V-twin on the road.
Specifications
- Brand: Cometic
- Manufacturer Part #: C9645F
- Weight: 0.33 lbs
- Quantity: 10 per pack
Common questions
Is this gasket compatible with both Evolution and Twin Cam engines?
Yes, this Cometic transmission gasket is designed to fit both Evolution and Twin Cam V-twin engine applications.
Why is this gasket sold in a 10-pack?
The 10-pack quantity is ideal for professional service shops, riders with multiple bikes, or anyone who wants to ensure they have spare gaskets readily available for future maintenance.
Is this an OEM Harley-Davidson gasket?
This is a Cometic gasket manufactured to be a direct OEM-spec replacement for the specified Harley-Davidson part number, ensuring equivalent fit and performance.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Cometic |
| TYPE | Gaskets/Seals |
| SKU | 68-9645F |
| WEIGHT | 0.33 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★
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1★
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✓ 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.
