Centric 121.38012 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.38012

The Centric C-TEK Standard Disc Brake Rotor 121.38012 is engineered for reliable braking performance on select Saab and Saturn vehicles. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for models including the Saab 9-3, 9-5, and Saturn LS series.

• Vented disc brake rotor with curved vane design for improved cooling
• Nominal thickness of 0.984 inches (25.000 mm) and discard thickness of 0.866 inches (22.000 mm)
• Overall height of 1.661 inches (42.200 mm) and outside diameter of 11.339 inches (288.000 mm)
• Floating disc mounting with 5 lug holes, 0.561 inches (14.250 mm) diameter each
• Center hole diameter of 2.756 inches (70.000 mm) and mounting bolt hole circle diameter of 4.331 inches (110.000 mm)
• Weight approximately 16.36 lbs (7.44 kgs)
• ABS tone ring not included; bearings not included

Details on C-TEK Standard Disc Brake Rotors Product Line

The C-TEK Standard Disc Brake Rotors line by Centric focuses on providing OEM-quality replacement rotors that meet or exceed original equipment specifications. This product line emphasizes precise fitment and consistent braking performance, making it suitable for routine maintenance and brake system repairs on compatible Saab and Saturn vehicles. The 121.38012 rotor maintains the structural and dimensional integrity required for safe operation within the specified vehicle applications.

Technical Description and Compatibility

This vented disc brake rotor features a smooth surface type and curved vane style to enhance airflow and heat dissipation during braking. The floating disc mounting design allows for slight movement to reduce stress and improve rotor longevity. With a 5-lug hole configuration and specific bolt circle diameter, it is compatible with various Saab models such as the 9-3 and 9-5, as well as Saturn models including the LS, LS1, LS2, LW1, LW2, LW200, and LW300. The rotor's dimensions and thickness specifications ensure proper fit and function within the brake system.

Common Applications and Problem Resolution

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor surface wear
• Eliminating noise or vibration from uneven rotor thickness
• Upgrading to OEM-spec rotors for consistent brake pedal feel
• Restoring proper rotor dimensions after overheating or damage

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern match vehicle specifications before installation
• Ensure hub surface is clean and free of debris to prevent rotor runout
• Torque lug nuts to manufacturer specifications to avoid rotor distortion
• Check brake pads for wear and replace if necessary during rotor installation
• Perform a proper bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Centric provides quality assurance through adherence to OEM standards in manufacturing the C-TEK Standard Disc Brake Rotors. While specific warranty details for part number 121.38012 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms applicable to this rotor.