Centric 121.67077 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Ram ProMaster Vehicles

The Centric 121.67077 disc brake rotor is engineered for dependable braking performance on Ram ProMaster 1500, 2500, 3500, and ProMaster Rapid models. Designed as a solid rotor with a smooth surface, it meets the precise specifications required for these commercial vehicles.

• Compatible with Ram ProMaster 1500, 2500, 3500, and ProMaster Rapid
• Part Number: 121.67077
• Solid disc brake rotor with smooth surface finish
• Nominal thickness of 0.630 inches (16.000 mm) and discard thickness of 0.559 inches (14.200 mm)
• Outside diameter of 11.020 inches (279.900 mm)
• Overall height of 3.232 inches (82.100 mm)
• 5 stud/lug holes with 0.685 inch (17.400 mm) diameter
• Center hole diameter of 3.110 inches (79.000 mm)
• Mounting bolt hole circle diameter of 5.118 inches (130.000 mm)
• Weight approximately 16.8 lbs (7.62 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 rotors designed to meet OEM specifications for standard braking applications. This product line focuses on solid rotors with smooth surfaces, providing consistent braking performance and durability for commercial vehicles like the Ram ProMaster series. The 121.67077 rotor is part of this line, ensuring compatibility and reliable fitment for your vehicle's braking system.

Technical Details and Specifications

This Centric disc brake rotor features a nominal thickness of 0.630 inches (16.000 mm) and a discard thickness of 0.559 inches (14.200 mm), indicating when replacement is necessary to maintain safe braking. The rotor's outside diameter measures 11.020 inches (279.900 mm), with an overall height of 3.232 inches (82.100 mm). It includes five stud/lug holes sized at 0.685 inches (17.400 mm) diameter and a mounting bolt hole circle diameter of 5.118 inches (130.000 mm). The center hole diameter is 3.110 inches (79.000 mm), designed for a floating/dih disc mounting. This rotor is solid, not vented, and does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ram ProMaster 1500, 2500, 3500, and ProMaster Rapid
• Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
• Restores proper rotor thickness to ensure effective braking performance
• Eliminates noise and squealing related to damaged or uneven rotors
• Supports safe braking under commercial vehicle load conditions

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 0.559 inches (14.200 mm)
• Ensure mounting surfaces are clean and free of debris for proper rotor seating
• Use correct torque specifications on lug nuts to avoid rotor warping
• Check compatibility with vehicle ABS system as this rotor does not include an ABS tone ring
• Inspect brake pads and hardware during rotor replacement for optimal system performance

Quality Assurance and Warranty

Centric's C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 121.67077 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Proper installation and maintenance are essential to ensure product longevity and performance.