Centric 121.69003 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.69003

The Centric C-TEK Standard Disc Brake Rotor 121.69003 is engineered for reliable braking performance in a variety of vehicle applications. Designed as a solid, smooth-surface rotor, it provides consistent stopping power and durability for compatible makes and models requiring a 6-lug, 12.736-inch diameter rotor.

• Solid disc brake rotor with smooth surface finish
• Outside diameter: 12.736 inches (323.5 mm)
• Nominal thickness: 0.472 inches (12.0 mm)
• Discard thickness: 0.413 inches (10.5 mm)
• Overall height: 1.437 inches (36.5 mm)
• Center hole diameter: 2.783 inches (70.7 mm)
• Mounting bolt hole circle diameter: 4.520 inches (114.8 mm)
• 6 stud/lug holes with 0.563 inch (14.3 mm) diameter
• Floating disc mounting design
• Hat inner diameter: 6.835 inches (173.6 mm)
• Weight approximately 15 lbs (6.8 kgs)

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 providing rotors with precise dimensions and quality materials to ensure proper fitment and consistent braking performance. The 121.69003 rotor is part of this line, featuring a solid rotor design without ABS tone rings or included bearings, suitable for vehicles requiring a straightforward replacement rotor.

Technical Details and Specifications

This Centric rotor features a solid construction with a smooth surface type, optimized for vehicles that do not require vented rotors or ABS tone rings. The rotor’s nominal thickness of 0.472 inches (12.0 mm) and discard thickness of 0.413 inches (10.5 mm) define the usable lifespan before replacement is necessary. The overall height of 1.437 inches (36.5 mm) and precise mounting dimensions, including a 6-lug pattern with a 4.520-inch bolt circle diameter, ensure compatibility with specific vehicle models. The floating disc mounting design allows for slight movement to reduce stress and improve braking consistency.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Resolving uneven brake pad wear due to rotor surface imperfections
• Upgrading to OEM-spec solid rotors for vehicles without ABS tone ring requirements
• Ensuring proper fitment for vehicles with 6-lug wheel configurations and specified bolt patterns

Installation Notes and Tips

• Verify vehicle compatibility by matching rotor dimensions and bolt pattern
• Inspect hub surface for cleanliness and flatness before installation
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Replace brake pads when installing new rotors to ensure optimal braking performance
• Check rotor thickness regularly to maintain safety and performance standards

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 121.69003 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is produced with quality control measures to maintain consistent dimensions and surface finish for dependable braking operation.