JAMES GASKETS SKU: 681-6120

James Gaskets Milwaukee 8 Motor Case Seal - 1 Per Pack - Harley Milwaukee-Eight

$93.000,00
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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.

Keep your Milwaukee-Eight engine sealed tight with this OEM-quality motor case seal from James Gaskets. Engineered with state-of-the-art materials, this single-pack replacement provides a reliable, leak-free seal for your V-twin.

Why riders pick this

  • Milwaukee-Eight engine specific for accurate fit
  • OEM-quality gasket material for reliable sealing
  • Manufactured with state-of-the-art methods
  • Proudly made in the U.S.A
  • Single seal for targeted repair

A strong, reliable seal on your motor case is fundamental to engine health and performance. This James Gaskets Milwaukee-Eight motor case seal is a direct, OEM-quality replacement, designed to prevent oil leaks and maintain proper engine function. Manufactured in the U.S.A. with advanced materials and methods, it's built to meet the rigorous demands of your Harley or Indian Motorcycle.

Advanced Sealing for M8 Engines

  • Milwaukee-Eight engine specific design for a precise fit
  • OEM-quality gasket material for durable, leak-free performance
  • Manufactured with state-of-the-art production methods
  • Proudly made in the U.S.A.

Protect Your Powertrain

Whether you're performing a rebuild or addressing an existing leak, choosing the right gasket is crucial. This James Gaskets motor case seal ensures that your Milwaukee-Eight engine remains properly sealed, preventing fluid loss and potential damage to internal components. Invest in the quality and reliability that comes with a purpose-built replacement part, keeping your V-twin on the road and performing at its best.

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 25600455
  • Length: 10 in
  • Width: 8 in
  • Height: 0.23 in
  • Weight: 0.05 lbs

Common questions

What engine does this seal fit?

This part is specifically engineered for Milwaukee-Eight (M8) engines found in modern Harley-Davidson and Indian Motorcycle V-twin models. It is not compatible with Twin Cam or Evolution engines.

Is this an OEM or aftermarket gasket?

James Gaskets manufactures this as an OEM-quality aftermarket replacement, built to meet or exceed the specifications of the original factory gasket.

Will this fit Twin Cam or Shovelhead engines?

No, this seal is designed exclusively for Milwaukee-Eight engines. Twin Cam and Shovelhead models require different gaskets due to their distinct engine architectures.

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
SKU681-6120
WEIGHT0.05 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.88
8 RATINGS
5★ 7
4★ 1
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Jul 5, 2023

Shaft Seal

I haven't used this yet. Went with the double sided one instead.

— Vincent G
✓ VERIFIED
Aug 23, 2022

GREAT.customer service!!

— Anonymous
✓ VERIFIED
Jun 4, 2021

always great products<br />and great service

— Anonymous
✓ VERIFIED
May 4, 2021

You can't go wrong with James parts as far as I'm concerned.

— Anonymous
✓ VERIFIED
Feb 3, 2021

seal fit and worked as it should. no problems.

— Anonymous
✓ VERIFIED
Jan 28, 2021

The guys are the best

— Anonymous