Master Cylinder BP00591-531188100

Bexar Pro Components Brake Master Cylinder (OEM # 00591-5311881)

Restore reliable hydraulic braking performance with the Bexar Pro Components Brake Master Cylinder (SKU: BP00591-531188100), designed as a direct OEM-quality replacement for Komatsu forklifts referencing part number 00591-5311881. Precision-manufactured to meet or exceed rigorous industrial material and pressure standards, this master cylinder ensures dependable stopping power, operator safety, and reduced fleet downtime.

Key Features & Benefits

• Precision OEM Fit: Engineered to exact OEM dimensions for direct, seamless bolt-on installation on supported Komatsu mast and chassis systems.
• Heavy-Duty Construction: Built from durable cast metal with corrosion-resistant internal piston seals to withstand harsh warehouse and yard environments.
• Consistent Hydraulic Pressure: Optimized 3/4-inch bore delivers smooth pedal feel and reliable brake response under heavy lifting loads.
• Rigorous Testing: Pressure tested to ensure leak-free performance and extended service life.

Technical Specifications

• Product Type: Forklift Brake Master Cylinder
• Brand: Bexar Pro Components
• Original SKU / OEM Cross-Reference: 00591-5311881
• Bexar SKU: BP00591-531188100
• Bore Size: 3/4-inch (0.75 in / 19.05 mm)
• Item Weight: 4.0 lbs (approx. 1.81 kg)
• Stock Status: In Stock & Ready to Ship

Vehicle & Equipment Fitment

Compatible with the following Komatsu forklift models (production years 1998–2015):

• Komatsu FG20 (Pneumatic / Cushion Tire Gas/LPG Forklift)
• Komatsu FG25 (Pneumatic / Cushion Tire Gas/LPG Forklift)
• Komatsu FD20 (Pneumatic Tire Diesel Forklift)
• Komatsu FD25 (Pneumatic Tire Diesel Forklift)

Installation & Fitment Verification Note

Always verify your equipment’s serial number or cross-reference casting numbers prior to installation. A complete brake system bleed with clean, manufacturer-specified brake fluid is recommended during replacement to prevent airlocks and premature seal wear.