Centric 121.58021 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Jeep Wrangler

The Centric C-TEK Standard Disc Brake Rotor 121.58021 is engineered to meet the braking demands of Jeep Wrangler vehicles. Designed as a solid rotor with a smooth surface, it provides consistent stopping power and durability for everyday driving conditions.

• Compatible with Jeep Wrangler models
• Solid disc brake rotor with smooth surface finish
• Nominal thickness of 0.551 inches (14.000 mm)
• Discard thickness at 0.488 inches (12.400 mm)
• Outside diameter measures 13.465 inches (342.000 mm)
• Overall height of 3.008 inches (76.400 mm)
• Five lug holes with 0.669 inch (17.000 mm) diameter
• Center hole diameter of 2.835 inches (72.000 mm)
• Mounting bolt hole circle diameter of 5.000 inches (127.000 mm)
• Weight approximately 20.35 lbs (9.24 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers reliable replacement rotors designed to meet or exceed OEM specifications. This product line focuses on providing solid rotors with smooth surfaces that ensure consistent braking performance and ease of installation. The 121.58021 rotor is part of this line, delivering dependable stopping power specifically for Jeep Wrangler vehicles without ABS tone rings or additional components.

Product Details and Specifications

This disc brake rotor features a solid design with a smooth surface type, optimized for standard braking applications. The nominal thickness of 0.551 inches (14.000 mm) ensures sufficient material for durability, while the discard thickness of 0.488 inches (12.400 mm) indicates the minimum safe thickness before replacement is necessary. The rotor’s outside diameter of 13.465 inches (342.000 mm) and overall height of 3.008 inches (76.400 mm) are engineered to fit Jeep Wrangler brake assemblies precisely. It includes five lug holes with a diameter of 0.669 inches (17.000 mm) and a mounting bolt hole circle diameter of 5.000 inches (127.000 mm), ensuring secure attachment. The center hole diameter of 2.835 inches (72.000 mm) matches the hub for proper alignment.

Common Issues Addressed by This Rotor

• Brake rotor wear and thinning beyond discard thickness
• Uneven braking or vibration caused by warped rotors
• Reduced braking efficiency due to surface damage or scoring
• Replacement of worn or damaged rotors on Jeep Wrangler models
• Restoring proper rotor dimensions for safe braking performance

Installation Notes and Tips

When installing the Centric C-TEK Standard Disc Brake Rotor 121.58021 on a Jeep Wrangler, ensure the rotor surface is clean and free of rust or debris before mounting. Verify the rotor thickness is above the discard limit to maintain safety. Use proper torque specifications on the lug nuts and mounting bolts to avoid rotor warping. This rotor does not include bearings or an ABS tone ring, so confirm compatibility with your vehicle’s braking system. It is recommended to replace brake pads simultaneously for optimal performance.

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring reliable performance and fitment for Jeep Wrangler vehicles. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for complete warranty information.