Centric 121.58021 Disc Brake Rotor - Rear
OE Quality 60-Day Returns
Centric
C-TEK Standard Disc Brake Rotors

Centric 121.58021 Disc Brake Rotor - Rear

Brand Centric 121.58021
Position Rear
ABS Tone Ring Included No
Bearings Included No
Center Hole Diameter 2.835
Center Hole Diameter 72.000
Disc Mounting [cntrc] Floating / DIH
Discard Thickness 0.488
Discard Thickness 12.400
Hat ID [cntrc] in 6.717
Hat ID [cntrc] mm 170.600
Misc Holes [cntrc] 4
Mounting Bolt Hole Circle Diameter 5.000
Mounting Bolt Hole Circle Diameter 127.000
Nominal Drum Diameter 8.110
Nominal Drum Diameter 206.000
Nominal Thickness 0.551
Nominal Thickness 14.000
Outside Diameter 13.465
Outside Diameter 342.000
Overall Height 3.008
Overall Height 76.400
Solid Or Vented Type Rotor Solid
Stud/Lug Hole Diameter 0.669
Stud/Lug Hole Diameter 17.000
Stud/Lug Hole Quantity 5
Surface Type Smooth
Weight [cntrc] kgs 9.240
Weight [cntrc] lbs 20.350
Product line C-TEK Standard Disc Brake Rotors
Fits Jeep · 6 vehicles

Standard disc brake rotor. Smooth, solid design for dependable braking performance.

C-TEK Standard line. Delivers excellent performance, service life, and value.

Cross-references Centric Parts 121.58021, 43208 and 850544 for the same application. See all 3.

$48.56Free 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 $48.56
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Disc Brake Rotor options

Centric Rear Brake Rotor for Jeep Wrangler

The Centric C-TEK Standard Disc Brake Rotor, part number 121.58021, is a rear solid rotor built for 2018-2023 Jeep Wrangler applications. It combines a smooth surface finish with OE-style dimensions for straightforward brake service on the rear axle.

Key Features

  • Centric C-TEK Standard Disc Brake Rotors line for everyday brake service
  • Rear disc brake rotor for Jeep Wrangler models with 342 mm rear disc setup
  • Solid rotor design with smooth surface type
  • Outside diameter: 13.465 in. / 342.000 mm
  • Nominal thickness: 0.551 in. / 14.000 mm
  • Discard thickness: 0.488 in. / 12.400 mm
  • Center hole diameter: 2.835 in. / 72.000 mm
  • 5-lug bolt pattern with 127.000 mm bolt hole circle diameter
  • Part number 121.58021

Product Details

Centric’s C-TEK Standard Disc Brake Rotors are positioned as a practical replacement option for routine brake maintenance, with a focus on service life and value across a wide range of applications. This rear rotor uses a solid construction, floating/DIH disc mounting, and a smooth friction surface to match the needs of Jeep Wrangler rear brake service. The rotor dimensions, including the 342 mm outside diameter and 14 mm nominal thickness, align with the listed Wrangler rear fitments for 2018-2023 models. This part number 121.58021 is also cross-referenced to 43208 and 850544 for the same application.

What It Helps Address

  • Rear brake pulsation caused by worn or uneven rotor surfaces
  • Brake noise related to rotor wear or surface irregularity
  • Reduced braking consistency from rotors below discard thickness
  • Service replacement needs on Jeep Wrangler rear disc brake systems
  • Fitment-specific rotor replacement for 342 mm rear disc setups

Installation Notes

Verify rear axle fitment, rotor diameter, and hub dimensions before installation. Confirm the vehicle is a 2018-2023 Jeep Wrangler rear application with the listed 342 mm rear disc configuration, including 2021 Wrangler rear with BR6, 2022 Wrangler rear with solid disc and 342 mm rotor, and 2023 Wrangler rear with Exc BRY. Inspect pads, caliper hardware, and hub contact surfaces during service, and clean the mounting face before installing the rotor.

Quality Assurance

Centric markets the C-TEK Standard Disc Brake Rotors line as a service-focused replacement option that balances performance, service life, and value. Part number 121.58021 is built to the published dimensional specifications for the listed Jeep Wrangler rear applications.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2023JeepWranglerRearExc BRY; CTEK Standard Disc Brake Rotors
2022JeepWranglerRearSolid Disc; 342mm Rotor; C-TEK Standard Disc Brake Rotors
2021JeepWranglerRearSolid Disc; 342mm Rotor; BR6; C-TEK Standard Disc Brake Rotors
2020JeepWranglerRear342mm Rear Disc; JL; C-TEK Standard Disc Brake Rotors
2019JeepWranglerRear342mm Rear Disc; JL; C-TEK Standard Disc Brake Rotors
2018JeepWranglerRear342mm Rear Disc; JL; C-TEK Standard Disc Brake Rotors
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Centric Parts — 121.5802143208850544