✓ VERIFIED
May 16, 2026
not what I needed. description wasn't very clear but not worth sending back. oh well just have to be more careful next time
COMETIC
SKU: 68-9639
Cometic Twin Cam Transmission Gasket Kit OE#26072-99 - Harley & Indian Twin Cam
$45.59
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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.
Prevent costly leaks and maintain optimal shifting performance with the Cometic Twin Cam Transmission Gasket Kit. This kit is engineered to provide a precise, leak-free seal for your V-twin transmission case, making it an essential component for any transmission service or rebuild.
Why riders pick this
- Direct replacement for OE# 26072-99
- Precision gasket design prevents leaks
- Engineered for Twin Cam V-twin transmissions
- Complete sealing components for transmission case
The Cometic Twin Cam Transmission Gasket Kit offers a reliable solution for sealing your Harley-Davidson or Indian Motorcycle Twin Cam transmission. Designed as a direct replacement for OE #26072-99, this kit ensures that all critical sealing surfaces are properly addressed, preventing fluid loss and protecting your gears. Cometic's precision manufacturing means you're getting a gasket engineered to stand up to the demands of your V-twin.
Engineered for Twin Cam Reliability
- Direct replacement for OE part number 26072-99
- Precision gasket design ensures a leak-free transmission case
- Engineered for V-twin Twin Cam motorcycle engines
- Includes all necessary sealing components for the transmission case
Maintain Peak Drivetrain Performance
A properly sealed transmission is crucial for the longevity and performance of your Twin Cam motorcycle. This gasket kit provides the peace of mind that comes from using high-quality sealing components. Whether you're performing routine maintenance or a full transmission overhaul, trust Cometic to deliver the tight seal your V-twin deserves. Confirm this OE replacement number matches your bike's requirements before ordering.
Specifications
- Brand: Cometic
- Manufacturer Part #: C9639
- OE Reference: 26072-99
- Length: 8.05 in
- Width: 17.25 in
- Height: 0.7 in
- Weight: 0.19 lbs
Common questions
What OE part number does this Cometic gasket kit replace?
This Cometic Twin Cam Transmission Gasket Kit is a direct replacement for OE part number 26072-99.
Will this gasket kit fit my Harley-Davidson Twin Cam?
Yes, this kit is designed for V-twin motorcycles equipped with Twin Cam transmissions, including many Harley-Davidson and Indian Motorcycle models. Always verify the OE part number for your specific year and model.
Is this a complete kit for the transmission case?
Yes, this is a gasket kit that contains the necessary sealing components for the Twin Cam transmission case assembly.
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 | 68-9639 |
| WEIGHT | 0.19 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.36
14 RATINGS
5★
11
4★
0
3★
1
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1
1★
1
✓ VERIFIED
Mar 8, 2026
Gasket
Working fine was for my brother's bike
✓ VERIFIED
Oct 25, 2024
Works Fine at a lower cost
I usually have an OEM from Harley Davidson, I have used this twice on my 04 Electraglide, no leaks or issues. At a much lower price.
✓ VERIFIED
Jun 8, 2024
A mediocre gasket
I didn’t use this gasket after removing the derby and seeing the Harley gasket that I removed. No comparison in quality. I ended up going to the local dealer and bought an O.E. gasket.
✓ VERIFIED
Jun 6, 2023
A good buy
The gasket fit nicely and no leaks so far . The fitment was spot on .
✓ VERIFIED
May 4, 2023
There is nothing on them indicating they are actually Cometic gaskets. Are they Substitutes?
