Centric 120.66032 Disc Brake Rotor - Rear

Overview of Centric Premium Disc Brake Rotor 120.66032

The Centric Premium Disc Brake Rotor 120.66032 is engineered for reliable braking performance on Chevrolet and GMC P30 and P3500 models. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and durability under demanding conditions.

• Compatible with Chevrolet P30 and GMC P3500 vehicles
• Vented disc brake rotor design for improved cooling
• Coated hat finish to resist corrosion
• 10 mounting bolt holes with a 184.2 mm bolt circle diameter
• Nominal thickness of 36.2 mm and discard thickness of 34.7 mm
• Outside diameter of 344.9 mm (13.579 inches)
• Center hole diameter of 139.8 mm (5.504 inches)
• Smooth surface type for consistent pad contact
• Mounting type: behind the hub

About Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line focuses on delivering rotors that meet or exceed OEM standards for fit, form, and function. This product line emphasizes precision manufacturing and quality materials to provide dependable braking performance. The 120.66032 rotor is part of this line, offering vented construction and a coated hat finish to enhance rotor longevity and resistance to corrosion, making it suitable for heavy-duty applications like the Chevrolet P30 and GMC P3500.

Detailed Product Description

This disc brake rotor features a vented design that promotes efficient heat dissipation, reducing the risk of brake fade during extended use. The rotor's nominal thickness is 36.2 mm, with a discard thickness of 34.7 mm, ensuring a long service life before replacement is necessary. The coated hat finish helps protect against rust and corrosion, maintaining rotor integrity over time. With 10 mounting bolt holes arranged on a 184.2 mm bolt circle diameter, this rotor mounts securely behind the hub. The smooth surface type provides consistent contact with brake pads, contributing to stable braking performance. The overall height measures 110.9 mm, and the outside diameter is 344.9 mm, matching OEM specifications for the specified vehicle models.

Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet P30 and GMC P3500
• Addresses brake fade caused by overheating during heavy-duty use
• Resolves vibration or pulsation issues due to uneven rotor surfaces
• Prevents corrosion-related rotor damage with coated hat finish
• Ensures proper fitment and secure mounting with exact bolt hole pattern

Installation Notes and Tips

• Verify compatibility with Chevrolet P30 or GMC P3500 before installation
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean mounting surfaces and hub area to prevent installation issues
• Torque mounting bolts to manufacturer specifications for secure fit
• Check rotor thickness and discard limits during installation to confirm usability

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 120.66032 rotor undergoes rigorous testing to comply with OEM specifications. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to this rotor.