Centric 120.66051 Disc Brake Rotor - Front

Overview of Centric Premium Disc Brake Rotor 120.66051

The Centric Premium Disc Brake Rotor 120.66051 is engineered for reliable braking performance on select Buick, Chevrolet, GMC, Isuzu, and Oldsmobile models. Designed specifically for vehicles like the Trailblazer, Envoy, Ascender, Bravada, and Rainier, this rotor meets precise fitment and durability requirements.

• Compatible with Buick, Chevrolet, GMC, Isuzu, and Oldsmobile SUVs and trucks
• Part number 120.66051 ensures exact replacement fit
• Vented disc design for improved heat dissipation
• Coated hat finish to resist corrosion
• Floating mounting type with 6 bolt holes for secure installation
• Nominal thickness of 1.150 inches (29.2 mm) and discard thickness of 1.083 inches (27.5 mm)
• Outside diameter of 12.008 inches (305 mm) and overall height of 2.150 inches (54.6 mm)
• Smooth surface type for consistent pad contact

About Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line focuses on delivering rotors that meet or exceed OEM specifications. This product line emphasizes precise engineering, corrosion-resistant coatings, and vented rotor designs to maintain optimal braking performance under various driving conditions. The 120.66051 rotor exemplifies these qualities, providing a dependable replacement for specific GM and Isuzu models.

Product Details and Specifications

This disc brake rotor features a vented design that enhances heat dissipation, reducing the risk of brake fade during extended use. The rotor has a coated hat finish to protect against rust and corrosion, extending service life. With a floating mounting type and 6 bolt holes, it ensures a secure and stable fit on compatible vehicles. The nominal thickness is 1.150 inches (29.2 mm), with a discard thickness of 1.083 inches (27.5 mm), indicating when replacement is necessary to maintain braking safety. The rotor’s outside diameter measures 12.008 inches (305 mm), and the overall height is 2.150 inches (54.6 mm), matching OEM dimensions for proper fitment.

Applications and Problem Solving

• Replacement for worn or warped rotors on Buick Trailblazer and GMC Envoy
• Restores braking performance on Chevrolet Rainier and Isuzu Ascender
• Eliminates brake pulsation caused by uneven rotor surfaces
• Addresses rotor corrosion and surface wear issues
• Improves heat management during heavy braking conditions

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 1.083 inches
• Ensure mounting surface is clean and free of debris for proper rotor seating
• Use proper torque specifications on the 6 mounting bolts to avoid rotor warping
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads and hardware during rotor replacement for optimal braking system performance

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet strict quality standards and OEM specifications. The 120.66051 rotor undergoes rigorous testing to ensure durability and consistent braking performance. While specific warranty details are not provided here, Centric products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.