Harddrive Rear Master Cylinder Raw Finish - Harley Touring
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 engineered as a direct OEM-replacement for V-twin motorcycles. This unit mounts directly into the stock location without modification, making it a straightforward upgrade or repair for Harley-Davidson Touring riders. It's a reliable component built to restore or maintain consistent braking performance.
Why riders pick this
- Direct fit into stock master cylinder location
- Raw finish for a classic or custom aesthetic
- Reliable OEM-replacement for V-twin brakes
- Engineered for consistent brake modulation
- Durable construction for long-term use
This master cylinder is designed to deliver precise brake modulation and feel, crucial for confident stopping power on your Harley. Its raw finish provides a classic, unadorned look that can be left as-is or customized to match your bike's aesthetic. Harddrive components are known for their durability and adherence to factory specifications, ensuring a seamless fit and function.
Restored Braking Confidence
- Direct fit into stock master cylinder location
- Raw finish for a classic or customizable look
- Engineered for V-twin motorcycle applications
- Reliable OEM-replacement brake component
- Ensures consistent brake feel and modulation
Seamless Integration for Your V-Twin
Replacing a master cylinder is a critical maintenance task that directly impacts rider safety. This Harddrive unit simplifies the process with its direct-fit design, eliminating the need for complex modifications. After installation, proper bleeding of the brake system is essential to remove any air and ensure optimal brake lever feel and response. Always confirm fitment against your bike's original master cylinder to ensure compatibility.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 22-043
- UPC: 191361139581
- Length: 7.79 in
- Width: 7.12 in
- Height: 1.85 in
- Weight: 2.1164 lbs
- Country of Origin: China (Taiwan)
Common questions
Will this master cylinder fit my Harley Touring model?
This Harddrive rear master cylinder is designed for Harley Touring models. We recommend verifying your bike's original master cylinder part number to ensure exact compatibility before purchasing.
Do I need to bleed the brakes after installing this master cylinder?
Yes, it is crucial to properly bleed the entire brake system with the appropriate DOT fluid after installing a new master cylinder. This removes any trapped air and ensures proper brake function and feel.
What kind of finish does this master cylinder have?
This master cylinder comes in a raw finish. This allows for a traditional look or provides a base for custom painting or polishing to match your bike's unique style.
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 | 820-51809 |
| WEIGHT | 2.12 lb |
