Centric 121.39007 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.39007

The Centric C-TEK Standard Disc Brake Rotor 121.39007 is engineered for reliable braking performance on select Volvo models. Designed as a solid rotor with a smooth surface, it provides consistent stopping power for vehicles such as the Volvo 240, 740, 745, 760, 780, 940, 960, DL, and GLE.

• Compatible with Volvo 240, 740, 745, 760, 780, 940, 960, DL, and GLE models
• Part number 121.39007 for precise identification
• Solid disc brake rotor with smooth surface finish
• Outside diameter of 11.063 inches (281 mm) for exact fitment
• Nominal thickness of 0.378 inches (9.6 mm) and discard thickness of 0.331 inches (8.4 mm)
• Overall height of 2.894 inches (73.5 mm)
• Five lug holes with 0.65 inch (16.5 mm) diameter and 4.252 inch (108 mm) bolt circle diameter
• Center hole diameter of 2.677 inches (68 mm)
• Weight approximately 11.81 lbs (5.37 kgs)
• Does not include ABS tone ring or bearings

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a range of rotors designed to meet OEM specifications for standard braking applications. This product line focuses on delivering rotors with precise dimensions and quality materials to ensure proper fit and function. The 121.39007 rotor is part of this line, providing a solid, smooth surface rotor option for Volvo vehicles requiring dependable replacement parts.

Technical Details and Specifications

This Centric rotor features a solid design with a smooth surface type, which is typical for standard braking systems. The rotor measures 11.063 inches (281 mm) in outside diameter and has a nominal thickness of 0.378 inches (9.6 mm), with a discard thickness of 0.331 inches (8.4 mm), indicating when replacement is necessary. The overall height is 2.894 inches (73.5 mm), and it mounts using five lug holes spaced on a 4.252 inch (108 mm) bolt circle diameter. The center hole diameter is 2.677 inches (68 mm), ensuring proper alignment on the hub. This rotor does not include an ABS tone ring or bearings, so those components must be sourced separately if needed.

Applications and Problem Solving

• Replacement for worn or warped rotors on compatible Volvo models
• Addresses brake pulsation caused by uneven rotor surfaces
• Restores proper rotor thickness to maintain braking efficiency
• Eliminates noise and vibration from damaged or scored rotors
• Ensures safe braking performance by meeting OEM specifications

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it is above discard thickness
• Clean mounting surfaces and hub to prevent rotor runout
• Torque lug nuts to manufacturer specifications for proper fitment
• Check compatibility with vehicle ABS system as this rotor does not include a tone ring
• Inspect brake pads and replace if worn to optimize rotor lifespan

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 121.39007 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Buyers should consult product documentation or Centric directly for warranty terms related to this rotor.