At DMG Motorsports, we present the All Balls Front Master Cylinder Rebuild Kit (45072-87) — the affordable, no-guesswork fix for a leaking or spongy front brake master cylinder. Rather than paying for an entirely new unit, this kit lets you restore your existing master cylinder to like-new performance with genuine replacement internals engineered to meet or exceed OEM specifications. It's a direct match for the OEM 45072-87 front master cylinder found on a range of Harley-Davidson models, giving you a cost-effective way to eliminate brake fluid leaks and get your ride back on the road with confidence.

Features:

• Complete rebuild kit contains all the parts needed to re-seal a leaking front brake master cylinder
• Includes cup seals, copper washers, O-rings, and replacement screws where applicable
• Manufactured to meet or exceed OEM specifications for reliable, long-lasting performance
• Direct replacement for OEM part number 45072-87, 5/8" bore front master cylinder
• Fits Harley-Davidson FLST (1986-1995), FXST (1986-1995), FXDWG (1993-1995), FXR (1987-1994), and XL (1986-1995) models
• Cost-effective alternative to replacing the entire master cylinder assembly
• Backed by All Balls Racing, a trusted name in powersports brake and suspension components

Fitment