JAMES GASKETS SKU: 681-4672

James Gaskets Main Drive Gear Seal - Harley & Indian V-Twin

$30.000,00
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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.

Ensure a leak-free transmission on your Harley or Indian V-twin with this James Gaskets main drive gear seal. This OEM-quality component is crucial for maintaining proper fluid levels and preventing costly leaks. It's an essential replacement when servicing your transmission's main drive.

Why riders pick this

  • OEM-quality main drive gear seal
  • Made in the U.S.A
  • Advanced gasket materials and production
  • Prevents transmission fluid leakage
  • Direct replacement for V-twin transmissions

The main drive gear seal is a critical barrier against transmission fluid leaks on your V-twin. James Gaskets engineers this seal to match or exceed OEM specifications, utilizing advanced materials and manufacturing processes right here in the U.S.A. This means you get a durable, reliable seal designed to stand up to the demands of your Harley or Indian motorcycle, keeping your drivetrain running clean and efficient.

Engineered for Drivetrain Integrity

  • Direct OEM-specification replacement for the main drive gear
  • Manufactured in the U.S.A. with state-of-the-art materials
  • Designed to prevent transmission fluid leakage
  • Trusted aftermarket quality for Harley and Indian V-twin models

Service and Replacement Considerations

When performing transmission service or rebuilding your V-twin's gearbox, replacing the main drive gear seal is a smart preventative measure. While not always necessary with every fluid change, inspecting the existing seal for signs of wear, cracking, or flattening is critical. This James Gaskets seal provides peace of mind, ensuring a tight seal for reliable long-term performance on your Touring, Softail, or Dyna platform.

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 12050
  • Length: 3.6 in
  • Width: 4 in
  • Height: 0.65 in
  • Weight: 0.1 lbs

Common questions

Is this an OEM Harley-Davidson or Indian Motorcycle part?

No, this is an OEM-specification replacement part manufactured by James Gaskets, a trusted aftermarket provider known for quality seals and gaskets.

How often should I replace my main drive gear seal?

Inspect the seal whenever you service your transmission. Replace it if you notice any signs of wear, deterioration, or leakage to prevent fluid loss.

Will this fit my specific V-twin model?

This seal fits a range of Harley-Davidson and Indian V-twin models. Please use our Shop by Bike tool to verify compatibility for your motorcycle's year and model.

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.
BRANDJames Gaskets
TYPEGaskets/Seals
SKU681-4672
WEIGHT0.1 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
5
14 RATINGS
5★ 14
4★ 0
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Oct 1, 2023

Excellent set

Excellent set for the price, easy to install, very durable products. I would recommend this set 10/10

— Eric S
✓ VERIFIED
Sep 11, 2023

Good quality

Breaking engine in right now and everything is holding tight. Very pleased

— Hawk R
✓ VERIFIED
Aug 28, 2023

Gasket set

Great gasket set, includes everything you need to reseal top end.

— James N
✓ VERIFIED
Jul 31, 2021

Quality parts in a timely manner

— Anonymous
✓ VERIFIED
Mar 29, 2021

Fit like it should, super quick shipping

— Anonymous
✓ VERIFIED
Mar 21, 2021

Gasket set seems to be of good quality. Everything fit just like oem gaskets and seals but made better lol. So far so good, Everything is nice a dry now.

— Anonymous