Cycle Pro Master Cylinder Repair Kit - CYL Repair KIT OEM 42374-82 — Harley-Davidson Softail, Sportster 1000, 1000 Roadster (1982-1987)

Cycle Pro master cylinder repair kit for V-twin motorcycles, containing seals and internal components to restore braking performance. Direct replacement for OEM Harley-Davidson and Indian Motorcycle master cylinders.

Features

• OEM-specification seals and components
• Restores factory brake feel and responsiveness
• Fits V-twin master cylinders

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)

Fitment

Fits V-twin motorcycles including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

What's included in this repair kit?

Seals, gaskets, and internal rebuild components necessary to service a V-twin master cylinder.

Do I need any special tools to install this?

Basic brake system rebuild tools and a master cylinder rebuild manual are recommended. If you're unfamiliar with brake work, have a qualified technician handle the rebuild.

Will this stop a brake fluid leak?

Yes — worn seals and internal components that cause leaks are replaced in this kit. This restores a leaking master cylinder to full function.

Is this the correct kit for my Harley or Indian?

This kit fits standard V-twin master cylinders. Verify the OEM part number on your cylinder matches 42374-82 or consult the fitment chart before ordering.