Cycle Pro Master Cylinder Repair Kit OEM 42374-82 - Harley Softail, Sportster & Dyna
About Cycle Pro
Cycle Pro supplies replacement and maintenance parts across the V-twin service catalog, covering the routine wear items a shop goes through week to week.
The Cycle Pro Master Cylinder Repair Kit OEM 42374-82 provides the necessary seals and internal components to restore braking performance on your Harley-Davidson. This kit is a direct replacement for OEM master cylinders, ensuring your brake system returns to its factory feel and responsiveness. It's an effective way to address common issues like a spongy lever or fluid leaks.
Why riders pick this
- OEM-specification seals and components
- Restores factory brake feel and responsiveness
- Fits various Harley-Davidson V-twin master cylinders
- Effective solution for brake fluid leaks
- Enhances overall braking performance
Over time, the internal components of a master cylinder can wear down, leading to degraded braking performance and potential safety concerns. This Cycle Pro repair kit offers a complete solution to rebuild your master cylinder, providing all the critical seals and wear parts needed to bring your brake system back to optimal condition. It's a smart investment for maintaining the integrity and safety of your V-twin's front brake.
Key Features for Reliable Braking
- OEM-specification seals and components for precise fitment
- Restores factory brake feel and responsiveness
- Designed for various V-twin master cylinders
- Addresses common issues like fluid leaks and spongy levers
Ensure Peak Braking Performance
Rebuilding your master cylinder with this Cycle Pro kit can significantly enhance your motorcycle's stopping power and overall safety. While the process requires basic brake system rebuild tools, and a master cylinder rebuild manual is highly recommended, it's a manageable task for an experienced home mechanic. If you're not comfortable with brake work, we advise having a qualified technician handle the rebuild to ensure proper installation and safety.
Specifications
- Brand: Cycle Pro
- Manufacturer Part #: 18390
- Length: 5 in
- Width: 3 in
- Height: 1 in
- Weight: 0.5 lbs
- Country of Origin: China (Mainland)
Common questions
What components are included in this Cycle Pro repair kit?
This kit includes the seals, gaskets, and internal rebuild components necessary to service a V-twin master cylinder to OEM specifications.
Do I need special tools to install this master cylinder repair kit?
Basic brake system rebuild tools are generally required, and a master cylinder rebuild manual specific to your Harley-Davidson model is highly recommended. If you are unfamiliar with brake system work, we advise having a qualified technician perform the rebuild.
Will this kit fix a brake fluid leak from my master cylinder?
Yes, if the brake fluid leak is originating from worn internal seals and components within the master cylinder, this kit will replace those parts and restore a leaking master cylinder to proper function.
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 | Cycle Pro |
| TYPE | Brakes |
| SKU | 865-01404 |
| WEIGHT | 0.5 lb |
