JAMES GASKETS SKU: 681-4440

James Gaskets Big Twin Upper Rocker Box Cover Gasket - Rubber - Harley V-Twin

$63.95
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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.

This James Gaskets Big Twin rocker box cover gasket is constructed from durable rubber, engineered as a direct OEM replacement to effectively seal the upper rocker box assembly. It's crucial for preventing oil seepage and maintaining the long-term reliability of your Harley V-twin engine. Replace worn gaskets to keep your engine running clean and strong.

Why riders pick this

  • OEM replacement specification gasket
  • Durable rubber construction for a strong seal
  • Seals the upper rocker box assembly
  • Prevents oil seepage from the top end
  • Ensures engine reliability and cleanliness

Oil leaks from the rocker box can be a common headache for Big Twin owners, but with this James Gaskets upper rocker box cover gasket, you can ensure a tight, reliable seal. Made from robust rubber, this gasket is designed to meet OEM specifications, providing a direct replacement that fits perfectly and performs flawlessly. It's an essential component for any engine service, especially when addressing oil weeping from the top end.

Reliable Sealing for Your Big Twin

  • Direct OEM replacement for the upper rocker box cover
  • Durable rubber construction ensures a compression seal
  • Prevents oil seepage and maintains engine cleanliness
  • Designed for Harley Big Twin rocker box assemblies

Maintain Engine Integrity

Properly sealed rocker boxes are vital for engine longevity and performance. This James Gaskets rubber gasket is engineered to withstand the demanding conditions within your V-twin engine, providing a long-lasting barrier against oil leaks. Whether you're performing routine maintenance or a deeper engine service, installing a fresh gasket is a simple yet effective way to protect your investment and ensure your ride stays leak-free.

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 17356-92
  • Length: 10 in
  • Width: 8 in
  • Height: 0.23 in
  • Weight: 0.05 lbs

Common questions

Is this an OEM gasket or an aftermarket replacement?

This is an aftermarket replacement gasket built to OEM specifications by James Gaskets, ensuring a direct fit for your Big Twin rocker box cover.

Will this gasket effectively stop an oil leak at my rocker box?

Yes, this gasket is designed to seal the upper rocker box cover, preventing oil weeping. It should be replaced during any rocker box service to resolve leaks.

Do I need any special tools to install this gasket?

Installation typically requires a standard socket set and a gasket scraper for preparation. No specialized tools are generally needed for rocker box cover removal and reinstallation.

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
SKU681-4440
WEIGHT0.05 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.33
3 RATINGS
5★ 2
4★ 0
3★ 1
2★ 0
1★ 0
✓ VERIFIED
Jul 21, 2024

James gskts are of poor quality you should sell only cometic.

— dave b
✓ VERIFIED
Jun 23, 2024

Works perfectly on my 95 EVO

— perry v
✓ VERIFIED
Sep 17, 2021

works great

— Anonymous