✓ VERIFIED
May 11, 2025
Worked great just what I was looking for
JAMES GASKETS
SKU: 681-6111
James Gaskets Milwaukee-Eight Oil Pump Front O-Ring 25-Pack - Harley M8
$7.50
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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 25-pack of James Gaskets Milwaukee-Eight oil pump front O-rings is a crucial stock item for any shop or rider focused on M8 engine reliability. Manufactured in the U.S.A. to OEM replacement specifications, these O-rings provide a dependable seal for the front of your Harley Milwaukee-Eight oil pump assembly. Maintain optimal oil pressure and prevent leaks with quality seals.
Why riders pick this
- 25-pack for shops and multi-bike owners
- Designed for the front of Milwaukee-Eight oil pumps
- Made in the U.S.A. for superior quality
- Direct OEM replacement for precise fitment
- Ensures a reliable, leak-free oil system
The front of the oil pump is a critical sealing point on your Milwaukee-Eight engine, and using quality O-rings is essential for preventing leaks and maintaining proper oil pressure. This generous 25-pack from James Gaskets ensures you always have the right seals on hand for routine maintenance or complete engine overhauls. Each O-ring is made in the U.S.A. and engineered to match factory specifications, providing a direct and reliable replacement for your M8.
Bulk Supply for M8 Oil System Integrity
- 25-pack quantity for shops and frequent service
- Specific to the front of Milwaukee-Eight (M8) oil pump assemblies
- Made in the U.S.A. for consistent quality and performance
- Direct OEM replacement for a secure, leak-free seal
Critical for Preventing Oil Leaks
Whether you're performing a cam chest upgrade, addressing an oil leak, or rebuilding your M8 engine, replacing these front oil pump O-rings is a non-negotiable step. Old, hardened O-rings are a common source of leaks and oil pressure issues. With this bulk pack, you can confidently replace every O-ring needed, ensuring your Harley-Davidson or Indian Motorcycle V-twin continues to run reliably. Always verify fitment for your specific model before installation.
Specifications
- Brand: James Gaskets
- Manufacturer Part #: 11900103
- Quantity: 25 per pack
- Weight: 0.03 lbs
- Country of Origin: U.S.A.
Common questions
Will this O-ring fit Twin Cam or other V-twin engines?
No, this James Gaskets O-ring is specifically designed for Milwaukee-Eight (M8) engines. Other V-twin platforms require different part numbers.
Why is this O-ring sold in a 25-pack?
The 25-pack quantity is designed for professional shops, multi-bike fleets, and riders who frequently service their own bikes and want to keep spares on hand.
Is this the same as the OEM Harley O-ring?
Yes, James Gaskets manufactures this O-ring to OEM specifications, making it a direct replacement for the original part in your Milwaukee-Eight oil pump.
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.
| BRAND | James Gaskets |
| TYPE | Gaskets/Seals |
| SKU | 681-6111 |
| WEIGHT | 0.03 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.92
13 RATINGS
5★
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✓ VERIFIED
Sep 30, 2024
Great company
Awesome part for a great price
✓ VERIFIED
Dec 30, 2022
Perfect fit, functions as expected. Great quality, highly recommend, would purchase again.
✓ VERIFIED
Apr 18, 2026
Excellent
✓ VERIFIED
Feb 12, 2026
Perfect fit and resonably priced
Since this aprt cannot be ordered from Harley's website (like many of their parts) it's a convenient and perfct fit.
✓ VERIFIED
Oct 5, 2025
good quality, works perfect
as described, works perfectly this thing says 2006 to 2017. it actually works 2006 to 2025 touring bike bikes.
