Centric
Centric Premium Disc Brake Rotors

Centric 120.61139 Disc Brake Rotor - Front

Brand Centric 120.61139
Position Front
Material Iron
Discard Thickness 1.200
Discard Thickness 30.500
Nominal Thickness 1.260
Nominal Thickness 32.000
Hat Finish Coated
Rust Resistant Coating Yes
Inside Diameter 216.400
Inside Diameter 8.520
Overall Height 2.520
Overall Height 64.200
Outside Diameter 13.880
Outside Diameter 352.500
Mounting Bolt Hole Quantity 5
ABS Tone Ring Included No
Surface Type Smooth
Solid Or Vented Type Rotor Vented
Pad Contact Surface Width 2.540
Pad Contact Surface Width 64.500
Bearings Included No
Center Hole Diameter 2.790
Center Hole Diameter 71.000
Mounting Bolt Hole Circle Diameter 114.300
Mounting Bolt Hole Circle Diameter 4.500
Mounting Bolt Hole Diameter 0.620
Mounting Bolt Hole Diameter 15.800
Stud/Lug Hole Quantity 5
Stud/Lug Hole Diameter 0.620
Stud/Lug Hole Diameter 15.800
Bolt/Hole Quantity [cntrc] 5
Product line Centric Premium Disc Brake Rotors
Fits Ford · 3 vehicles

Corrosion-resistant finish. Painted hat and edge help protect against rust.

Vented design. Promotes airflow for more consistent braking performance.

Smooth iron rotor. Built with a floating mount and 5-bolt pattern.

Cross-references Centric Parts 120.61139, BRRF448 and KR3C1125E for the same application. See all 5.

$93.66Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Disc Brake Rotors are typically replaced in pairs, axle by axle.
Order total $93.66
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Centric Premium Front Brake Rotor for Mustang

The Centric Premium Disc Brake Rotor, part number 120.61139, is a front rotor built for 2021-2023 Ford Mustang applications. It combines a vented iron construction with a coated hat and edge to help resist corrosion in everyday driving and brake service conditions.

Key Features

  • Centric Premium Disc Brake Rotors line for OE-style replacement fitment
  • Part number 120.61139 for front brake service
  • Vented iron rotor construction
  • Coated hat finish and rust-resistant coating
  • Smooth surface type for consistent pad contact
  • Outside diameter: 13.880 in. / 352.500 mm
  • Nominal thickness: 1.260 in. / 32.000 mm
  • Discard thickness: 1.200 in. / 30.500 mm
  • 5-lug mounting pattern with 114.300 mm bolt circle diameter

Product Details

Centric Premium Disc Brake Rotors are built with a resin-modified protective coating on the hat and edge to improve corrosion resistance. According to Centric, the coating is chemically resilient and has been tested to withstand 120 hours in salt chamber testing. For Mustang owners looking for a front brake rotor replacement, 120.61139 provides the dimensions and vented design needed for proper brake system service on the listed vehicles.

This part cross-references Ford OE numbers BRRF448 and KR3Z1125J for the same application.

What This Rotor Helps Address

  • Brake pulsation caused by worn or uneven rotor surfaces
  • Reduced braking performance from rotor wear beyond discard thickness
  • Corrosion on exposed rotor hat and edge areas
  • Noise or vibration related to rotor surface condition
  • Front brake service needs on 2021-2023 Ford Mustang models

Installation Notes and Tips

Verify rotor dimensions, hub fitment, and brake pad condition before installation. Clean the hub mounting surface thoroughly to help prevent runout-related issues, and inspect calipers, pads, and hardware for wear before returning the vehicle to service. This rotor is listed for front position use on 2021-2023 Ford Mustang, including 2021 Mustang front with 4 piston calipers and 2022 Mustang front preferred applications.

Quality Assurance

Centric Premium rotors are manufactured with corrosion-resistant coating on the hat and edge and are backed by Centric’s product engineering standards for brake replacement parts. Part number 120.61139 is listed for direct-fit front service on the specified Mustang applications.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2023FordMustangFrontCentric Premium Disc Brake Rotors
2022FordMustangFrontPreferred; Centric Premium Disc Brake Rotors
2021FordMustang5.0LV8Front4 Piston Calipers; Centric Premium Disc Brake Rotors
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Centric Parts — 120.61139BRRF448KR3C1125EKR3C1125EBKR3Z1125J