Centric 121.38018 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.38018

The Centric C-TEK Standard Disc Brake Rotor 121.38018 is engineered for reliable braking performance on select Cadillac and Saab vehicles. Designed as a solid rotor with a smooth surface, it provides consistent stopping power and durability for models like the Cadillac BLS and Saab 9-3.

• Compatible with Cadillac BLS and Saab 9-3 models
• Part number 121.38018 for precise identification
• Solid disc brake rotor with smooth surface finish
• Outside diameter of 10.945 inches (278 mm)
• Nominal thickness of 0.472 inches (12 mm) and discard thickness of 0.394 inches (10 mm)
• Overall height measures 1.634 inches (41.5 mm)
• Five stud/lug holes with 0.555 inch (14.1 mm) diameter
• Center hole diameter of 2.571 inches (65.3 mm)
• Mounting bolt hole circle diameter of 4.331 inches (110 mm)
• Weight approximately 9.5 lbs (4.32 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 a range of rotors designed to meet OEM specifications for standard braking applications. This product line focuses on delivering rotors with precise dimensions and quality materials to ensure proper fit and function. The 121.38018 rotor is a solid type with a smooth surface, suitable for vehicles requiring reliable, straightforward braking components without additional features like venting or ABS tone rings.

Detailed Product Description

This Centric disc brake rotor features a solid construction with a smooth surface type, providing consistent contact with brake pads for effective stopping power. The rotor’s outside diameter of 10.945 inches (278 mm) and nominal thickness of 0.472 inches (12 mm) align with OEM standards for the Cadillac BLS and Saab 9-3. The discard thickness of 0.394 inches (10 mm) indicates the minimum thickness before replacement is necessary, helping maintain safe braking performance. The rotor includes five stud/lug holes with a diameter of 0.555 inches (14.1 mm) and a mounting bolt hole circle diameter of 4.331 inches (110 mm), ensuring compatibility with the specified vehicle models. Weighing approximately 9.5 lbs (4.32 kgs), this rotor balances durability and ease of installation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Cadillac BLS and Saab 9-3
• Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
• Restores proper rotor thickness to maintain braking efficiency
• Eliminates noise and squealing from damaged or scored rotors
• Supports safe braking performance by meeting OEM specifications

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor surface and hub mounting area to prevent uneven wear
• Torque lug nuts to manufacturer specifications for secure fitment
• Check compatibility with vehicle ABS systems as this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to optimize rotor performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards, ensuring reliable performance and fitment. While specific warranty details for part number 121.38018 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship. This rotor is produced with quality materials and precise machining to support consistent braking and long service life.