JAMES GASKETS SKU: 681-4165

James Gaskets Twin Cam Motor Case O-Ring/Seal 5-Pack - Harley Twin Cam

$29.95
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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.

Maintain the integrity of your Twin Cam engine with this 5-pack of James Gaskets motor case O-rings and seals. Engineered to OEM specifications, these seals provide a direct fit for Twin Cam shaft applications, ensuring a leak-free engine. Ideal for routine maintenance or having spares on hand for future projects.

Why riders pick this

  • 5-pack for multiple uses or spares
  • OEM-spec for reliable Twin Cam sealing
  • Direct fit for Twin Cam shaft applications
  • Prevents motor case oil leaks
  • Essential for engine maintenance

These James Gaskets Twin Cam motor case O-rings and seals are critical components for preventing oil leaks at the engine's shaft applications. Sold in a convenient 5-pack, they are manufactured to OEM specifications, providing reliable sealing for your V-twin motorcycle. Whether you're a professional builder or a dedicated DIY rider, having these on hand is always a smart move.

Essential Sealing for Twin Cam Engines

  • Convenient 5-pack quantity for multiple service needs or spares
  • Engineered to OEM specifications for precise fitment and reliable sealing
  • Directly compatible with Twin Cam shaft applications across all model years
  • Helps prevent oil seepage from the motor case

Keep Your Twin Cam Running Strong

Small seals play a big role in engine longevity. These James Gaskets O-rings are designed to stand up to the demands of your Twin Cam, ensuring that your motor case remains properly sealed. Confirm fitment for your specific Twin Cam shaft application before ordering to maintain peak engine performance.

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 12068
  • Quantity: 5 per pack
  • Length: 3.7 in
  • Width: 6.95 in
  • Height: 1.7 in
  • Weight: 0.35 lbs

Common questions

Will these O-rings fit my Twin Cam engine?

Yes, these are OEM-spec seals designed for all Twin Cam shaft applications across model years. Always confirm your specific application before ordering.

Why is this sold as a 5-pack?

The 5-pack quantity is ideal for shops, fleet maintenance, or riders who frequently work on their bikes and prefer to have spares readily available.

Are these the same as OEM Harley seals?

James Gaskets manufactures these seals to OEM specifications, making them direct replacements that meet the original engineering standards.

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
SKU681-4165
WEIGHT0.35 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.94
86 RATINGS
5★ 83
4★ 2
3★ 0
2★ 1
1★ 0
✓ VERIFIED
Jun 29, 2025

I haven't used it yet but I'm sure in time I will. I've always had good luck with James gaskets in the past, so I have no worries.

— Michael R
✓ VERIFIED
Jul 19, 2024

Fits perfect

Fit good, durable, and price good

— Bobby J
✓ VERIFIED
Mar 22, 2024

The best money can buy

These are the best gaskets I have ever used. They are so good in fact that I have reused my primary gasket twice without a single drop of leakage. Well worth the extra money.

— keith b
✓ VERIFIED
Jul 11, 2023

Great Product with Great Service

— Shorty S
✓ VERIFIED
Jul 1, 2023

Good value

Works perfectly and was exactly what I wanted. Affordable and good quality.

— Garry K
✓ VERIFIED
Apr 18, 2023

Gasket

Good quality gasket came packaged nice

— James P