DuraGo BR31254 Disc Brake Rotor and Hub Assembly - Front

Overview of DuraGo BR31254 Disc Brake Rotor and Hub Assembly

The DuraGo BR31254 is a vented disc brake rotor and hub assembly designed for reliable braking performance. Engineered for select Chevrolet, GMC, and Isuzu models, this rotor assembly includes essential components to ensure proper fit and function.

• Compatible with Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, S10, S10 Blazer, S15 Jimmy, and Sonoma
• Part number BR31254 for precise identification
• Vented rotor design for improved heat dissipation
• Includes ABS tone ring for anti-lock braking system compatibility
• Comes with inner and outer bearing cups and wheel studs
• 5 lug studs with M12 x 1.5 thread size
• Non-directional brake surface for versatile installation
• Rotor outside diameter of 10.47 inches (266 mm)
• Mounting bolt hole circle diameter of 4.75 inches (120.65 mm)

Detailed Product Description and Specifications

The DuraGo BR31254 disc brake rotor and hub assembly features a vented rotor type that helps reduce heat buildup during braking, which is critical for maintaining braking efficiency and rotor longevity. The rotor has a nominal thickness of 1.04 inches (26.3 mm) and a discard thickness of 0.96 inches (24.5 mm), providing clear service limits for maintenance. This assembly includes an ABS tone ring, ensuring compatibility with vehicles equipped with anti-lock braking systems. The hub assembly comes complete with inner and outer bearing cups and wheel studs, simplifying installation and ensuring a secure fit.

The rotor's 5-stud configuration with M12 x 1.5 thread size matches the wheel mounting requirements of Chevrolet Blazer, GMC Jimmy, and Isuzu Hombre models, among others. The non-directional brake surface allows for flexible rotor orientation during installation. The overall height of the assembly is 4.31 inches (109.4 mm), and the mounting bolt hole circle diameter is 4.75 inches (120.65 mm), matching OEM specifications for proper fitment.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Restores proper ABS function with included tone ring
• Addresses uneven brake pad wear due to rotor surface issues
• Eliminates vibration caused by damaged or out-of-spec rotors
• Provides a complete hub assembly to resolve bearing wear or failure

Installation Notes and Tips

• Verify vehicle compatibility with Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, S10, S10 Blazer, S15 Jimmy, or Sonoma before installation
• Ensure rotor thickness is within nominal specifications before installation
• Use proper torque specifications for wheel studs and mounting bolts
• Inspect and replace wheel bearings if necessary when installing the hub assembly
• Check ABS sensor alignment with the included tone ring for proper ABS operation

Quality Assurance and Warranty Information

DuraGo brake components are manufactured to meet or exceed OEM standards for fit, form, and function. The BR31254 rotor and hub assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, DuraGo typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.