Centric 121.34041 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.34041

The Centric C-TEK Standard Disc Brake Rotor 121.34041 is engineered for reliable braking performance on BMW 318ti models. Designed as a solid rotor with a smooth surface, it offers consistent stopping power and durability for everyday driving conditions.

• Compatible with BMW 318ti vehicles
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 10.709 inches (272.0 mm)
• Nominal thickness: 0.394 inches (10.0 mm)
• Discard thickness: 0.331 inches (8.4 mm)
• Overall height: 3.075 inches (78.1 mm)
• Center hole diameter: 2.953 inches (75.0 mm)
• Mounting bolt hole circle diameter: 4.724 inches (120.0 mm)
• 5 stud/lug holes with 0.575 inch (14.6 mm) diameter
• Floating disc mounting design
• Weight approximately 10.48 lbs (4.76 kgs)

Detailed Product Description

This Centric C-TEK Standard Disc Brake Rotor, part number 121.34041, is specifically designed for the BMW 318ti, ensuring precise fitment and optimal braking performance. The rotor features a solid construction with a smooth surface type, which helps provide consistent brake pad contact and reduces noise during operation. With an outside diameter of 10.709 inches and a nominal thickness of 0.394 inches, this rotor meets OEM specifications for thickness and size. The discard thickness of 0.331 inches indicates the minimum safe thickness before replacement is necessary, helping maintain safe braking conditions.

The rotor’s overall height is 3.075 inches, and it includes a center hole diameter of 2.953 inches to fit securely on the hub. The mounting bolt hole circle diameter is 4.724 inches with five stud holes, each measuring 0.575 inches in diameter, matching the BMW 318ti’s wheel hub configuration. The floating disc mounting design allows for slight movement to reduce stress and improve rotor longevity.

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is designed to provide dependable, OEM-quality replacement rotors for a wide range of vehicles. These rotors are manufactured to meet or exceed original equipment specifications, offering a balance of performance and value. The standard line focuses on solid rotors with smooth surfaces, suitable for drivers who require consistent braking without the need for specialized features like vented or slotted designs.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 318ti
• Eliminates brake pulsation caused by uneven rotor surfaces
• Restores proper rotor thickness for safe braking performance
• Addresses noise issues related to rotor surface irregularities
• Improves brake pad contact and reduces uneven wear

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 0.331 inches
• Ensure mounting surfaces are clean and free of debris for proper fitment
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check compatibility with BMW 318ti model year and specifications
• Inspect brake pads and replace if worn to ensure optimal braking

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured under strict quality control standards to meet OEM requirements. While specific warranty details for part number 121.34041 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult product documentation or the manufacturer for exact warranty terms.