James Gaskets Transmission Main Drive Oil Seal Kit - Harley Twin Cam Dyna 6-Speed
About James Gaskets
James Gaskets has supplied American V-twin gaskets, seals and O-rings for decades and is one of the most widely stocked names for Harley-Davidson engine, primary and transmission rebuilds. When a service manual calls for a specific gasket, James almost always has an exact-fit answer.
This James Gaskets kit provides OEM-spec oil seals and transmission main drive gaskets for Big Twin and Twin Cam V-twin motorcycles. Manufactured in the U.S.A. with state-of-the-art materials, these components ensure a reliable and leak-free seal. Trust James Gaskets for critical sealing needs on your Harley Dyna.
Why riders pick this
- OEM-spec oil seals and main drive gaskets
- Made in the U.S.A. with advanced materials
- Reliable sealing for Big Twin and Twin Cam
- Essential for preventing transmission fluid leaks
When addressing oil leaks or performing maintenance on your Harley-Davidson Twin Cam Dyna 6-speed transmission, this James Gaskets kit is essential. It includes OEM-spec oil seals and transmission main drive gaskets, crucial for maintaining proper lubrication and preventing fluid loss. Each component is made in the U.S.A. using advanced production methods, ensuring they meet the high standards expected by riders.
Precision Sealing for Your Drivetrain
- Contains OEM-spec oil seals and main drive gaskets
- Manufactured in the U.S.A. with state-of-the-art materials
- Designed for Big Twin and Twin Cam V-twin applications
- Ensures reliable sealing and leak prevention
Critical for Transmission Health
Properly functioning oil seals and main drive gaskets are vital for the longevity and performance of your motorcycle's transmission. This James Gaskets kit provides the high-quality components needed to restore integrity to your drivetrain. It's a smart choice for riders looking for durable, American-made seals that will stand up to the rigors of the road on their Harley Dyna.
Specifications
- Brand: James Gaskets
- Manufacturer Part #: 12074-K
- Length: 5.75 in
- Width: 7.45 in
- Height: 0.45 in
- Weight: 0.181 lbs
Common questions
What gaskets and seals are included in this kit?
This kit contains OEM-spec oil seals and transmission main drive gaskets specifically for Big Twin/Twin Cam engines.
Will this kit fit my Harley Dyna?
Yes, this kit is designed for Big Twin and Twin Cam Dyna models with 6-speed transmissions. Please use our Shop by Bike tool to confirm fitment for your specific year and model.
Are these components made in the U.S.A.?
Yes, James Gaskets manufactures these OEM-specification seals and gaskets in the United States.
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 | James Gaskets |
| TYPE | Gaskets/Seals |
| SKU | 681-4031 |
| WEIGHT | 0.18 lb |