Centric 121.45074 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.45074

The Centric C-TEK Standard Disc Brake Rotor 121.45074 is engineered for reliable braking performance on Mazda 6 vehicles. Designed as a solid rotor with a smooth surface, this part ensures consistent stopping power and durability for everyday driving conditions.

• Compatible with Mazda 6 models
• Part number 121.45074 for precise identification
• Solid disc brake rotor with smooth surface finish
• Outside diameter of 12.350 inches (313.7 mm)
• Nominal thickness of 0.433 inches (11.0 mm) and discard thickness of 0.354 inches (9.0 mm)
• Overall height of 1.614 inches (41.0 mm)
• Floating disc mounting design with 5 lug holes
• Center hole diameter of 2.835 inches (72.0 mm)
• Weight approximately 13.25 lbs (6.02 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet OEM specifications for fit, form, and function. This product line focuses on providing solid rotors with smooth surfaces that are suitable for standard braking applications. The 121.45074 rotor maintains consistent thickness and dimensions to ensure proper brake pad contact and reliable performance on Mazda 6 vehicles.

Detailed Product Description

This Centric disc brake rotor features a solid design with a smooth surface type, which helps provide stable braking without the complexity of vented rotors. The rotor’s nominal thickness of 0.433 inches (11.0 mm) and discard thickness of 0.354 inches (9.0 mm) define the usable lifespan before replacement is necessary. The overall height of 1.614 inches (41.0 mm) and outside diameter of 12.350 inches (313.7 mm) ensure compatibility with the Mazda 6 brake system. The rotor includes a floating disc mounting design with 5 lug holes spaced on a 4.5 inch (114.3 mm) bolt circle diameter, and a center hole diameter of 2.835 inches (72.0 mm). This rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda 6
• Restores proper braking performance and pedal feel
• Addresses brake noise caused by uneven rotor surfaces
• Prevents brake fade due to rotor thickness below discard limits
• Ensures safe stopping distances with OEM-spec rotor dimensions

Installation Notes and Tips

• Verify rotor part number 121.45074 matches vehicle specifications before installation
• Inspect hub surface for cleanliness and flatness prior to mounting
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Replace brake pads when installing new rotors for optimal performance
• Check rotor thickness with a micrometer to ensure it is above discard thickness

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for quality and durability. While specific warranty details for part number 121.45074 should be confirmed with the supplier, Centric generally offers coverage against defects in materials and workmanship. This rotor is designed to provide consistent braking performance for Mazda 6 vehicles when installed and maintained properly.