FXR Chrome Rear Master Cylinder

A replacement fxr chrome rear master cylinder for FXR service, restoration, and custom build work. This V-Twin sourced part is a practical way to refresh worn or missing factory-style pieces while keeping the build easy to service.

• Useful for restoration work, replacement service, or mockup on custom FXR builds.

What's Included

• One item
• V-Twin part number 23-0778
• Manufacturer part number 77634
• OEM reference: 42446-87A, 42446-87B

Ideal Uses

• Replacing a worn or leaking FXR rear master cylinder.
• Brake system refresh work.
• Chrome rear brake control restoration.

Fitment

• FXR rear remote mount master cylinder applications

Notes

Chrome rear remote mount master cylinder. Cross-references OEM 42446-87A and 42446-87B. Always verify fitment against your exact year, model, and existing hardware before installation, especially on modified FXR builds.

Builder Notes

Small chassis and trim parts can make or break an FXR refresh. This is the kind of piece to handle while the area is already apart, especially if the existing part is damaged, faded, pitted, or missing.

Keywords: FXR, V-Twin 23-0778, FXR Chrome Rear Master Cylinder, Harley FXR parts, 42446-87A, 42446-87B.