Harddrive Rear Master Cylinder Raw Finish - Harley FX & FL
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 Rear Master Cylinder in a raw finish is a direct OEM replacement specifically for Harley-Davidson FX and FL models from 1979 and earlier. This unit mounts perfectly in the stock location, ensuring a straightforward installation without modifications. It's built to restore reliable braking performance and maintain the classic aesthetic of your vintage V-twin.
Why riders pick this
- Direct OEM replacement for FX and FL models
- Raw finish with corrosion-resistant chrome plating
- Mounts in stock location for easy installation
- Ensures consistent brake feel and modulation
- Specifically for 1979 and earlier Harley V-twins
This master cylinder is designed for long-term corrosion resistance, featuring chrome-plated construction beneath its raw exterior, ensuring durability in various riding conditions. It delivers consistent brake feel and modulation, essential for confident control of your classic Harley. The raw finish offers a traditional look or can be customized to match your bike's unique style.
Reliable Braking for Vintage Harleys
- Direct OEM replacement for FX and FL models
- Mounts in the stock location without adapters
- Raw finish with chrome-plated components for durability
- Ensures consistent brake feel and modulation
- Designed for 1979 and earlier V-twin applications
Maintain Your Classic's Performance
Ensuring your braking system is in top condition is paramount for any motorcycle, especially a classic. This Harddrive master cylinder provides a dependable solution for worn or failing original units. After installation, it's crucial to properly bleed the brake system to remove any air, guaranteeing optimal brake lever feel and responsive stopping power. Always confirm this part is specific to your model year to ensure correct fitment.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 22-044
- UPC: 191361139598
- Length: 7.79 in
- Width: 7.12 in
- Height: 1.85 in
- Weight: 2.1605 lbs
- Country of Origin: China (Taiwan)
Common questions
Will this master cylinder fit my 1980 or newer Harley FX or FL?
No, this Harddrive rear master cylinder is specifically designed for 1979 and earlier Harley-Davidson FX and FL models. Later years use a different master cylinder design, so please confirm your bike's model year.
Is this a direct bolt-in replacement?
Yes, this unit is engineered as a direct bolt-in replacement. It mounts in the stock rear master cylinder location without requiring any adapters or modifications for installation.
What kind of finish does this master cylinder have?
This master cylinder features a raw finish. While the exterior is raw, its internal components are chrome-plated for enhanced corrosion resistance and durability.
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 | Brakes |
| SKU | 820-51811 |
| WEIGHT | 2.16 lb |
