Harddrive Oil Pump Replacement O-Rings for OEM #11301 - Harley Twin Cam
About Harddrive
Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.
The Harddrive Oil Pump Replacement O-Rings are engineered to provide a perfect seal for OEM oil pump assembly #11301 on your V-twin motorcycle engine. If you're experiencing weeping seals or a loss of proper oil circulation pressure, this direct-fit replacement set is crucial. Restore the integrity of your oil pump and ensure your Harley-Davidson or Indian Motorcycle engine runs smoothly.
Why riders pick this
- Replacement O-ring set for OEM oil pump #11301
- Direct-fit replacement ensures a perfect seal
- Eliminates weeping and restores oil circulation pressure
- Small, lightweight components for easy handling
- Essential for preventing oil leaks and maintaining engine health
Maintaining proper oil pressure and preventing leaks is vital for the longevity of your V-twin engine. These Harddrive O-rings are specifically designed to replace degraded factory seals within the OEM #11301 oil pump. By replacing these small, yet critical, components, you can eliminate common oil weeping issues and restore your engine's oiling system to optimal performance.
Precision Fit for OEM Performance
- Replacement O-ring set designed for OEM oil pump #11301
- Direct-fit replacement ensures a perfect seal
- Eliminates weeping seals and restores proper oil circulation
- Small, lightweight components for easy installation
Essential for Engine Health
Don't overlook the importance of fresh O-rings during any oil pump service or engine work. These seals are critical for maintaining the tight tolerances required for efficient oil flow and pressure within your Twin Cam engine. Installing new Harddrive O-rings is a cost-effective way to prevent future oil leaks and protect your investment, ensuring your Road King, Electra Glide, or Softail runs as it should.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 89677
- UPC: 191361228612
- Dimensions: 2.75 in L × 3.94 in W × 0.2 in H
- Weight: 0.01 lbs
- Country of Origin: China (Taiwan)
Common questions
Which OEM oil pump does this O-ring set fit?
This Harddrive O-ring set is specifically designed to seal the Harley-Davidson and Indian Motorcycle factory oil pump assembly with OEM part number #11301. It's a direct replacement for those seals.
Will installing these O-rings stop an existing oil leak from my pump?
Yes, if your oil pump is weeping or leaking around its seals, replacing them with these new O-rings will restore the seal's integrity and effectively stop the leak, provided the pump housing itself is not damaged.
Do I need special tools to install these O-rings?
Installation typically requires removing the oil pump from the engine to access and replace the worn O-rings. A gasket scraper and some light assembly oil are generally recommended. Consult your service manual for model-specific instructions.
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 | Harddrive |
| TYPE | Engine |
| SKU | 820-58019 |
| WEIGHT | 0.01 lb |