Harddrive Rear Master Cylinder Chrome - Harley Sportster 2004-2006
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.
This Harddrive rear master cylinder in chrome is a direct replacement for 2004-2006 Harley-Davidson Sportster models. Designed to mount in the OEM location, it provides reliable braking performance and a fresh look for your rear brake system. It's an ideal choice for restoring or upgrading your Sportster's braking capabilities.
Why riders pick this
- Direct OEM replacement for 2004-2006 Sportster
- Chrome plated finish for classic styling
- Mounts in the stock factory location
- Restores reliable rear braking performance
Maintaining proper braking function is critical for any V-twin, and a worn-out master cylinder can compromise your ride. This Harddrive chrome rear master cylinder is manufactured as a direct OEM replacement for your 2004-2006 Sportster, ensuring a straightforward installation and dependable operation. The chrome finish adds a touch of classic style to your bike's controls.
Reliable Braking Performance
- Direct OEM replacement for 2004-2006 Sportster models
- Mounts precisely in the stock factory location
- Durable chrome plated finish for a custom look
- Restores consistent brake feel and pressure
Easy Upgrade for Your Sportster
Whether you're dealing with a leaking master cylinder or simply refreshing your bike, this Harddrive unit makes for a practical upgrade. It's designed for a bolt-on installation, but remember that proper brake bleeding is essential after any component replacement to ensure all air is removed from the system. Always verify fitment for your specific Sportster model and year before ordering to guarantee a perfect match.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 144542
- UPC: 191361228384
- Length: 8.25 in
- Width: 7.87 in
- Height: 3 in
- Weight: 4.4 lbs
- Country of Origin: China (Taiwan)
Common questions
Does this master cylinder include a brake lever?
This product is the master cylinder assembly only. It is designed to work with your existing rear brake pedal and linkage.
Will this fit my Sportster model outside of the 2004-2006 range?
No, this Harddrive rear master cylinder is specifically designed for 2004-2006 Harley-Davidson Sportster models. Fitment for other years will require a different part.
Do I need to bleed my brakes after installation?
Yes, after installing any new brake component, it is crucial to properly bleed the entire rear brake system to remove any air and ensure safe and effective braking.
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 | 820-51824 |
| WEIGHT | 4.4 lb |