Centric 121.75007 Disc Brake Rotor - Rear

Centric C-TEK Standard Disc Brake Rotor

Centric C-TEK Standard Disc Brake Rotors are built for drivers who need consistent braking performance, dependable service life, and practical value. Part number 121.75007 is a vented disc brake rotor with a smooth surface and a behind-the-hub mounting design for select applications.

The C-TEK Standard Disc Brake Rotors line focuses on everyday braking needs with OE-style fit and straightforward service replacement. For vehicles such as the Honda Civic and Toyota Tacoma, this rotor format supports stable brake feel and repeatable stopping performance when the existing rotor is worn, scored, or below thickness specification.

Key Features

• Centric C-TEK Standard Disc Brake Rotors, part number 121.75007
• Vented rotor design for improved heat management
• Smooth surface finish for standard brake service replacement
• Outside diameter: 13.700 in. / 348.000 mm
• Nominal thickness: 1.650 in. / 42.000 mm
• Overall height: 4.100 in. / 106.000 mm
• 6-bolt mounting pattern with 205.000 mm / 8.000 in. bolt circle diameter
• Center hole diameter: 6.730 in. / 171.000 mm
• Notes include U-shaped construction and tapped for ABS
• OEM vane count: 40 with straight vane style

Detailed Description

Centric 121.75007 is a vented disc brake rotor engineered for service replacement where OE-style dimensions matter. The rotor uses a smooth friction surface, a behind-the-hub mounting arrangement, and a 6-hole bolt pattern with 1.500 thread pitch. Its dimensions and vane design support proper brake system operation in applications that require a large-diameter rotor with ABS-related provisions.

This part cross-references AP Exhaust 44807 for the same application. If you are servicing a Honda Civic or Toyota Tacoma brake system, verify rotor dimensions, hub interface, and ABS requirements before installation. The Centric 121.75007 rotor is intended for direct replacement use where the listed specifications match the vehicle.

What It Helps Address

• Brake pulsation caused by rotor wear or thickness variation
• Scoring, grooves, or uneven friction surfaces
• Reduced braking consistency from heat-related rotor fatigue
• Rotor replacement needs during brake pad service
• ABS-related fitment requirements where a tapped rotor is specified

Installation Notes and Tips

Confirm outside diameter, center hole diameter, bolt circle, bolt hole count, and overall height against the original rotor before installation. Clean the hub mounting surface thoroughly to reduce runout concerns, and inspect pads, calipers, and wheel bearings for wear before installing the new rotor. Because this rotor is tapped for ABS and mounts behind the hub, verify the vehicle’s sensor and hub configuration during brake service.

Quality Assurance

Centric positions the C-TEK Standard Disc Brake Rotors line as a practical OE-style replacement option for a wide range of braking applications, balancing performance, service life, and value. Part number 121.75007 is built to match the listed specifications for proper brake system service.