Centric 121.42047 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.42047

The Centric C-TEK Standard Disc Brake Rotor 121.42047 is engineered for reliable braking performance on Nissan 300ZX models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for everyday driving conditions.

• Compatible with Nissan 300ZX vehicles
• Vented disc brake rotor design for improved cooling
• Overall height: 2.520 inches (64.000 mm)
• Outside diameter: 11.693 inches (297.000 mm)
• Nominal thickness: 0.709 inches (18.000 mm)
• Discard thickness: 0.630 inches (16.000 mm)
• Center hole diameter: 2.677 inches (68.000 mm)
• Mounting bolt hole circle diameter: 4.500 inches (114.300 mm)
• Stud/lug hole quantity: 5 with diameter 0.504 inches (12.800 mm)
• Weight: 16.000 lbs (7.270 kgs)
• ABS tone ring not included

Details on C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric is designed to meet or exceed OEM specifications for fit, form, and function. This product line focuses on providing solid and vented rotors with smooth surfaces that ensure consistent braking performance and longevity. The 121.42047 rotor is vented with straight vanes, which helps maintain optimal operating temperatures by promoting airflow and heat dissipation during braking. This reduces the risk of brake fade and extends rotor life, making it suitable for Nissan 300ZX drivers seeking dependable replacement parts.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 0.709 inches (18.000 mm) and a discard thickness of 0.630 inches (16.000 mm), indicating the minimum thickness before replacement is necessary. The rotor’s overall height is 2.520 inches (64.000 mm), and it has an outside diameter of 11.693 inches (297.000 mm). The center hole diameter measures 2.677 inches (68.000 mm), and the mounting bolt hole circle diameter is 4.500 inches (114.300 mm) with five lug holes sized at 0.504 inches (12.800 mm). The rotor is a floating type with three miscellaneous holes and straight vane style for effective cooling. Note that this rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Nissan 300ZX
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during extended use
• Restores proper rotor thickness for safe braking performance
• Suitable for routine maintenance and brake system overhauls

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it meets or exceeds the nominal thickness of 0.709 inches (18.000 mm). Clean the rotor surface to remove any protective coatings or debris prior to mounting. Verify the mounting bolt hole circle diameter and lug hole specifications match the vehicle’s hub assembly. Since this rotor does not include bearings or an ABS tone ring, reuse existing components if applicable. Proper torque specifications should be followed when securing the rotor to avoid warping.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit and performance. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Using this rotor ensures compatibility and reliable braking performance for Nissan 300ZX vehicles when installed according to manufacturer guidelines.