At DMG Motorsports, we present the All Balls Racing Rear Brake Master Cylinder Rebuild Kit (SKU 21-81102) — the go-to solution for restoring a leaking or spongy rear brake master cylinder on select Husqvarna, KTM and Gas Gas off-road models. Instead of replacing an entire master cylinder assembly, this precision-engineered kit lets you rebuild it back to like-new performance at a fraction of the cost, getting you back on the trail or track with confident, reliable stopping power.

Every All Balls rebuild kit is built to meet OEM specifications, so you can trust the fit, seal quality, and long-term durability of each component. This kit contains all the parts needed to re-seal a leaking rear master cylinder, making it a straightforward maintenance job for any home mechanic or shop technician working on these popular Husqvarna and KTM platforms.

Features:

• Complete rebuild kit designed to re-seal leaking rear brake master cylinders
• Includes cup seals, copper washers, O-rings, and replacement screws where applicable
• Kit contents: 1 boot, 1 master cylinder piston set, 2 O-rings, 2 screws, 1 snap ring, and 1 washer
• Manufactured to meet OEM fit, form, and function specifications
• Fits select Husqvarna, KTM, and Gas Gas off-road models equipped with the corresponding rear master cylinder
• Cost-effective alternative to replacing the entire master cylinder assembly
• Backed by All Balls Racing's reputation for quality aftermarket powersports hard parts

Fitment