Centric 120.66075 Disc Brake Rotor - Rear

Overview of Centric Premium Disc Brake Rotor 120.66075

The Centric Premium Disc Brake Rotor 120.66075 is engineered for reliable braking performance on heavy-duty trucks. Designed specifically for Chevrolet and GMC models, this rotor meets the demands of the Sierra 3500 HD, Silverado 3500, and Silverado 3500 HD.

• Compatible with Chevrolet Sierra 3500 HD, GMC Sierra 3500 HD, Chevrolet Silverado 3500, and GMC Silverado 3500
• Part number 120.66075 ensures precise fitment
• Vented disc brake rotor design for improved heat dissipation
• Coated hat finish to resist corrosion
• 8 bolt holes with a 180 mm bolt circle diameter for secure mounting
• Nominal thickness of 40 mm and discard thickness of 38.5 mm
• Outside diameter of 355 mm (13.976 inches) for exact replacement
• Smooth surface type for consistent braking 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 durability and consistent braking performance, making it suitable for heavy-duty applications such as the Chevrolet and GMC 3500 series trucks. The rotors feature a vented design to enhance cooling and a coated hat finish to reduce corrosion, extending rotor life under demanding conditions.

Detailed Product Description

This disc brake rotor features a vented design that improves heat dissipation during braking, reducing the risk of brake fade on heavy-duty trucks like the Chevrolet Silverado 3500 and GMC Sierra 3500 HD. The rotor has a nominal thickness of 40 mm and a discard thickness of 38.5 mm, ensuring it meets safety standards for replacement. The coated hat finish protects against rust and corrosion, which is critical for vehicles exposed to harsh environments. With 8 bolt holes arranged on a 180 mm bolt circle diameter, the rotor mounts securely to the hub. The smooth surface type provides consistent pad contact for reliable stopping power.

Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet Sierra 3500 HD and Silverado 3500 HD
• Addresses brake pulsation caused by uneven rotor surfaces
• Helps restore braking efficiency lost due to rotor thickness below discard limits
• Prevents corrosion-related rotor damage with coated hat finish
• Improves heat management during heavy braking with vented rotor design

Installation Notes and Tips

• Verify rotor thickness before installation; discard thickness is 38.5 mm
• Ensure mounting surface and hub are clean to prevent rotor runout
• Torque lug nuts to manufacturer specifications for secure fitment
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring
• Use proper tools to avoid damage to the coated hat finish during installation

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details for part number 120.66075 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Users should consult product documentation or the manufacturer for exact warranty terms.