JAMES GASKETS SKU: 681-4633

James Gaskets Dual-Lip Starter Shaft Seal Primary Housing Gasket - Harley & Indian Big Twin

$136.000,00
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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 primary with the James Gaskets dual-lip starter shaft seal primary housing gasket. Designed specifically for Big Twin V-twin motorcycles, this gasket provides superior sealing at a critical point. Its robust construction helps prevent oil weeping, keeping your engine clean and performing optimally.

Why riders pick this

  • Dual-lip design seals starter shaft effectively
  • Engineered for Big Twin primary housings
  • Prevents oil weeping from the primary case
  • Made in the U.S.A. with advanced materials

The starter shaft area of your primary housing is a common spot for oil weeping. This James Gaskets primary housing gasket features a unique dual-lip design engineered to provide an extra layer of protection against leaks. Crafted in the U.S.A. using state-of-the-art materials, it offers a precise and durable seal for your Harley-Davidson or Indian Motorcycle Big Twin.

Advanced Sealing for Critical Areas

  • Features a dual-lip design specifically to seal the starter shaft
  • Engineered for V-twin Big Twin primary housings
  • Manufactured in the U.S.A. with precision materials
  • Helps prevent oil weeping from the primary case

Maintaining Your Primary Drive

A reliable primary seal is essential for the long-term health of your V-twin's drivetrain. This James Gaskets starter shaft seal is an aftermarket replacement that meets OEM specifications, providing peace of mind. When installing, always refer to your service manual for proper primary cover removal and reinstallation procedures, including torque specifications, to ensure a perfect seal.

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 12066-A
  • Length: 2.15 in
  • Width: 4.05 in
  • Height: 0.75 in
  • Weight: 0.083 lbs

Common questions

What does this gasket specifically seal?

This gasket is designed with a dual-lip to effectively seal the primary housing around the starter shaft, preventing oil leakage from that specific area.

Will this fit my Sportster?

No, this gasket is specifically for Big Twin engines. Sportster models use a different primary gasket part number, so please confirm fitment for your specific model.

Is this an OEM Harley or Indian part?

James Gaskets manufactures this as an aftermarket replacement. It meets OEM specifications for fit and function but is not sold in original Harley-Davidson or Indian Motorcycle packaging.

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
SKU681-4633
WEIGHT0.08 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