HomeBrake > Drums and RotorsCentric 121.34018 Disc Brake Rotor - Front
Part #: 121.34018

Centric 121.34018 Disc Brake Rotor - Front

C-TEK Standard Disc Brake Rotors, Front
22 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
C-TEK Standard Disc Brake Rotors, Front
Fitment: BMW, 318i, 318is, 325i, 325is, 325iX, 325, 325e, and 325es
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Overview of Centric C-TEK Standard Disc Brake Rotor 121.34018

The Centric C-TEK Standard Disc Brake Rotor 121.34018 is engineered for reliable braking performance on select BMW models. Designed to meet OEM specifications, this vented rotor provides consistent stopping power and durability for vehicles like the BMW 318i, 318is, 325e, 325es, 325i, 325is, and 325iX.

  • Compatible with BMW 318i, 318is, 325e, 325es, 325i, 325is, and 325iX
  • Part number 121.34018 ensures precise fitment
  • Vented disc design for improved heat dissipation
  • Nominal thickness of 0.862 inches (21.900 mm) with discard thickness at 0.803 inches (20.400 mm)
  • Overall height of 1.386 inches (35.200 mm) and outside diameter of 10.236 inches (260.000 mm)
  • Floating disc mounting with straight vane style for efficient cooling
  • Four stud/lug holes with 0.591 inch (15.000 mm) diameter and 3.937 inch (100.000 mm) bolt circle diameter
  • Smooth surface type for consistent pad contact

Detailed Product Description

The Centric C-TEK Standard Disc Brake Rotor 121.34018 is a vented rotor designed to maintain optimal braking performance under various driving conditions. Its vented construction allows for enhanced heat dissipation, reducing the risk of brake fade during extended use. The rotor features a smooth surface type that promotes even brake pad wear and consistent stopping power. With a nominal thickness of 0.862 inches (21.900 mm) and a discard thickness of 0.803 inches (20.400 mm), this rotor meets strict OEM standards for thickness and durability.

Measuring 10.236 inches (260.000 mm) in outside diameter and 1.386 inches (35.200 mm) in overall height, the rotor is engineered for precise fitment on compatible BMW models. The floating disc mounting system combined with straight vane style enhances cooling efficiency, which is critical for maintaining brake performance and longevity. The rotor includes four stud/lug holes with a diameter of 0.591 inches (15.000 mm) and a mounting bolt hole circle diameter of 3.937 inches (100.000 mm), ensuring secure installation.

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. This product line focuses on delivering rotors that meet or exceed factory specifications, offering consistent performance and durability. The 121.34018 rotor exemplifies this approach by combining precise engineering with materials and design features that support effective braking and heat management.

Common Applications and Problem Solving

  • Replacement for worn or warped rotors on BMW 318i, 318is, 325e, 325es, 325i, 325is, and 325iX
  • Addresses brake pulsation caused by uneven rotor surfaces
  • Improves braking performance by restoring proper rotor thickness
  • Reduces brake fade through vented rotor design
  • Eliminates noise and vibration related to damaged or deteriorated rotors

Installation Notes and Tips

  • Ensure rotor thickness is above discard thickness (0.803 inches) before installation
  • Clean rotor surface to remove any protective coatings or contaminants
  • Verify compatibility with vehicle make and model using part number 121.34018
  • Torque mounting bolts to manufacturer specifications for secure fitment
  • Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details for part number 121.34018 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is engineered to provide consistent braking performance aligned with OEM requirements for BMW vehicles.

BrandCentric
Part Number121.34018
PositionC-TEK Standard Disc Brake Rotors, Front
ABS Tone Ring IncludedNo
Bearings IncludedNo
Center Hole Diameter2.598
Center Hole Diameter66.000
Disc Mounting [cntrc]Floating
Discard Thickness0.803
Discard Thickness20.400
Misc Holes [cntrc]1
Mounting Bolt Hole Circle Diameter3.937
Mounting Bolt Hole Circle Diameter100.000
Nominal Thickness0.862
Nominal Thickness21.900
Outside Diameter10.236
Outside Diameter260.000
Overall Height1.386
Overall Height35.200
Solid Or Vented Type RotorVented
Stud/Lug Hole Diameter0.591
Stud/Lug Hole Diameter15.000
Stud/Lug Hole Quantity4
Surface TypeSmooth
Vane Style [cntrc]Straight
Weight [cntrc] kgs5.120
Weight [cntrc] lbs11.270

This part fits 22 vehicles. Search below:

YearMakeModelPositionNotes
1991BMW318iFrontTo 4/91; C-TEK Standard Disc Brake Rotors
1991BMW318isFrontTo 4/91; C-TEK Standard Disc Brake Rotors
1991BMW325iFrontTo 4/91; C-TEK Standard Disc Brake Rotors
1991BMW325isFrontTo 4/91; C-TEK Standard Disc Brake Rotors
1991BMW325iXFrontTo 4/91; C-TEK Standard Disc Brake Rotors
1990BMW325iFrontC-TEK Standard Disc Brake Rotors
1990BMW325isFrontC-TEK Standard Disc Brake Rotors
1990BMW325iXFrontC-TEK Standard Disc Brake Rotors
1989BMW325iFrontC-TEK Standard Disc Brake Rotors
1989BMW325isFrontC-TEK Standard Disc Brake Rotors
1989BMW325iXFrontC-TEK Standard Disc Brake Rotors
1988BMW325iFrontC-TEK Standard Disc Brake Rotors
1988BMW325isFrontC-TEK Standard Disc Brake Rotors
1988BMW325iXFrontC-TEK Standard Disc Brake Rotors
1987BMW325eFrontC-TEK Standard Disc Brake Rotors
1987BMW325esFrontC-TEK Standard Disc Brake Rotors
1987BMW325iFrontC-TEK Standard Disc Brake Rotors
1987BMW325isFrontC-TEK Standard Disc Brake Rotors
1986BMW325eFrontC-TEK Standard Disc Brake Rotors
1986BMW325esFrontC-TEK Standard Disc Brake Rotors
1985BMW325eFrontC-TEK Standard Disc Brake Rotors
1984BMW325eFrontC-TEK Standard Disc Brake Rotors

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.