Rareelectrical Front Brake Master Cylinder Rebuild Kit Compatible With 2004-2014 Honda Trx450r Trx450er Piston Seals Spring Atv Gaitor Boot Honda Trx-R Honda Trx-Er New Return Primary Secondary Copper

Front Brake Master Cylinder Rebuild Kit — Honda TRX450R / TRX450ER Kit Contents: Master cylinder piston — 12.7mm OD × 37mm length Return spring — factory tension spec Primary seal — high-temperature DOT 4 compatible Secondary seal — prevents fluid bypass Gaitor boot (dust cover) — keeps contaminants out Circlip — secures piston assembly Copper crush washers — for banjo bolt sealing Red rubber assembly grease — protects seals during installation Applications: Honda TRX-R 450 (TRX450R) — 2004-2009 Honda TRX-ER 450 (TRX450ER) — 2007-2014 Function: The front brake master cylinder converts lever pressure into hydraulic pressure to actuate the brake caliper. Over time, internal seals wear and degrade, causing brake fade, spongy lever feel, fluid leaks, or complete loss of front braking. This rebuild kit replaces all wear components to restore full braking performance. When to Rebuild: Brake lever pulls to handlebar even after bleeding Visible fluid leak at master cylinder body or lever pivot Spongy or inconsistent brake feel Brake fluid discoloration (dark or cloudy fluid) During routine maintenance every 2-3 years or as needed Installation Notes: Clean master cylinder bore thoroughly before installing new components Apply included red rubber grease to seals during assembly Use fresh DOT 4 brake fluid — never reuse old fluid Bleed brake system completely after rebuild Verify no air in system — lever should feel firm with no sponginess ADDITIONAL CROSS-REFERENCES: Master cylinder piston (12.7mm OD × 37mm length) Restores full braking performance without replacing entire master cylinder

• Compatible with Honda. Please verify your OEM part number from your original unit to help ensure fitment.
• Replaces: Manufacturer Part Number: / 06-006 / Kit Contents: / Master Cylinder Piston (12.7Mm Od × 37Mm Length) / Return Spring / Primary Seal / Secondary Seal / Gaitor Boot (Dust Cover) / Circlip / Copper Crush Washers / Assembly Grease / Notes: / Complete Front Brake Master Cylinder Rebuild Kit / Restores Full Braking Performance Without Replacing Entire Master Cylinder / Replace When Brakes Feel Spongy, Lever Pulls To Handlebar, Or Fluid Leaks At
• Applications: Honda Models: / Trx-Er 450 Hp Atv — 2007-2014 / Trx-R 450 Hp Atv — 2004-2009
• Applications: ...
• Master Cylinder Rebuild Kit Source: Aftermarket