Raybestos
R-Line

Raybestos 982129R Disc Brake Rotor - Rear

Brand Raybestos 982129R
Position Rear
Center Hole Diameter 2.677
Center Hole Diameter 68.000
Conventional Or Drum-In-Hat Type Rotor Conventional
Discard Thickness 0.354
Discard Thickness 9.000
Inside Diameter 8.701
Inside Diameter 221.000
Mounting Bolt Hole Circle Diameter 4.500
Mounting Bolt Hole Circle Diameter 114.300
Mounting Bolt Hole Diameter 0.524
Mounting Bolt Hole Diameter 13.300
Mounting Bolt Hole Quantity 5
Nominal Thickness 0.433
Nominal Thickness 11.000
Outside Diameter 12.783
Outside Diameter 324.700
Overall Height 1.772
Overall Height 45.000
Solid Or Vented Type Rotor Solid
Stud/Lug Hole Quantity 5
Surface Type Smooth
Product line R-Line
Fits Mazda · 8 vehicles

Smooth surface. Promotes even pad contact for consistent braking performance.

Solid rotor design. Provides dependable braking with a straightforward, conventional construction.

R-Line. Raybestos line focused on dependable replacement brake components.

Cross-references Centric Parts 120.45091, Centric Parts 121.45091 and DuraGo BR901480 for the same application. See all 9.

$47.13Free 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 $47.13
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Raybestos R-Line Rear Disc Brake Rotor

The Raybestos R-Line 982129R is a rear disc brake rotor for select Mazda CX-9 applications. It is a conventional, solid rotor with a smooth surface and OE-style dimensions for direct replacement service on 2016-2023 Mazda CX-9 rear brake setups.

Key Features

  • Part number: 982129R
  • Raybestos R-Line brake rotor for rear axle applications
  • Solid, conventional rotor design
  • Smooth surface type for consistent brake pad contact
  • Outside diameter: 12.783 in. / 324.700 mm
  • Nominal thickness: 0.433 in. / 11.000 mm
  • Discard thickness: 0.354 in. / 9.000 mm
  • Center hole diameter: 2.677 in. / 68.000 mm
  • 5-lug / 5-bolt hole pattern with 4.500 in. / 114.300 mm bolt circle

Product Details

Raybestos R-Line focuses on replacement brake components built around common service dimensions and application-specific fitment. This rear rotor for the Mazda CX-9 uses a solid, conventional construction with a smooth friction surface, 1.772 in. / 45.000 mm overall height, and 8.701 in. / 221.000 mm inside diameter. The 982129R is specified for rear use on 2016-2023 Mazda CX-9 models, including 2023 Mazda CX-9 rear and 2016-2022 Mazda CX-9 rear applications.

This part cross-references Centric Parts (e.g., 120.45091, 121.45091) for the same application.

Common Repair Uses

  • Rear brake rotor replacement for worn or below-spec Mazda CX-9 rotors
  • Correction for brake pulsation caused by rotor thickness variation or surface wear
  • Service replacement after scoring, rust buildup, or heat checking
  • Restoration of proper pad-to-rotor contact on rear brake service
  • Maintenance for vehicles needing a direct-fit rear disc brake rotor

Installation Notes and Tips

Verify rotor dimensions, hub fit, and bolt pattern before installation. Clean the hub mounting surface thoroughly to reduce runout concerns, and inspect pads, caliper hardware, and wheel bearings during brake service. Always follow the vehicle manufacturer’s torque specifications and bedding procedure after installation. Confirm rear fitment for your specific Mazda CX-9 year before ordering.

Quality Assurance

Raybestos R-Line brake components are built for replacement service with application-specific sizing and OE-style fitment. This rotor is listed for confirmed rear fitment on 2016-2023 Mazda CX-9 models, including 2023 Mazda CX-9 rear and 2016-2022 Mazda CX-9 rear applications.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2023MazdaCX-9RearRaybestos R-Line
2022MazdaCX-9RearR-Line
2021MazdaCX-9RearR-Line
2020MazdaCX-9RearR-Line
2019MazdaCX-9RearR-Line
2018MazdaCX-9RearR-Line
2017MazdaCX-9RearR-Line
2016MazdaCX-9RearR-Line
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Centric Parts — 120.45091Centric Parts — 121.45091DuraGo — BR901480Dynamic Friction Company — 600-80077320.45091982129RGSBD180710ETK7826251TK7826251A