DuraGo

DuraGo BR900808 Disc Brake Rotor - Rear

Brand DuraGo BR900808
Position Rear
ABS Tone Ring Included No
Center Hole Diameter 2.68
Center Hole Diameter 68
Construction Full Cast
Conventional Or Drum-In-Hat Type Rotor Conventional
Cross Drilled No
Directional or Non-Directional Brake Surface Non-Directional
Discard Thickness 0.39
Discard Thickness 10
Material Cast Iron
Mounting Bolt Hole Circle Diameter 4.41
Mounting Bolt Hole Circle Diameter 112
Mounting Bolt Hole Diameter 0.6
Mounting Bolt Hole Diameter 15.3
Mounting Bolt Hole Quantity 5
Nominal Thickness 0.47
Nominal Thickness 12
Outside Diameter 11.81
Outside Diameter 300
Overall Height 1.42
Overall Height 36
Rust Resistant Coating No
Slotted No
Solid Or Vented Type Rotor Solid
Fits Audi · 77 vehicles

OE-style fit. Manufactured to meet fit, form, and function requirements.

Solid rotor design. Provides a straightforward brake surface for dependable stopping.

Cast iron construction. Full cast build delivers the durability expected in a rotor.

Cross-references Parts Authority PRT5993, Raybestos Brakes 980694 and Raybestos Brakes 980881 for the same application. See all 11.

$38.60Free 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 $38.60
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

DuraGo BR900808 Rear Brake Rotor

The DuraGo BR900808 is a solid rear disc brake rotor built from cast iron for Audi applications that call for a conventional, non-directional braking surface. With a 300 mm outside diameter, 12 mm nominal thickness, and 10 mm discard thickness, it is sized for rear brake service on select Audi A4, A4 Quattro, A5, A5 Quattro, A5 Sportback, A4 allroad, allroad, A6, A6 Quattro, and Q5 models.

For drivers searching for a rear brake rotor for Audi A4 Quattro or a replacement rotor for Audi Q5 rear brake service, BR900808 provides the fitment and dimensions needed for direct application matching. This part number, BR900808, is also referenced across multiple aftermarket catalogs for the same rear rotor application.

Key Features

  • Cast iron full-cast construction for rear disc brake service
  • Solid rotor design for applications requiring a non-vented rear rotor
  • 300 mm outside diameter with 112 mm bolt circle diameter
  • 5 mounting bolt holes and 68 mm center hole diameter
  • Non-directional brake surface for straightforward pad contact
  • No cross-drilling and no slots
  • Conventional, drum-in-hat style rotor design

Detailed Product Overview

DuraGo manufactures this rotor through ISO-certified factories with attention to fit, form, and function. The BR900808 uses cast iron construction and a full-cast design to meet the dimensional requirements of rear brake systems on covered Audi platforms. Its 11.81-inch outside diameter, 1.42-inch overall height, and solid rotor profile make it a direct-match option for vehicles that specify a conventional rear rotor rather than a vented design.

Fitment coverage includes 2021-2025 Audi A4 Quattro rear, 2018-2025 Audi A5 Sportback rear, 2017-2020 Audi A4 rear, 2008-2017 Audi A5 Quattro rear, 2009-2017 Audi Q5 rear, 2010-2016 Audi A4 rear, 2013-2016 Audi A4 allroad rear, 2010-2016 Audi A4 Quattro rear, 2010-2016 Audi A5 rear, 2013-2016 Audi allroad rear, 2012-2013 Audi A6 rear, 2013 Audi A6 Quattro rear, 2009 Audi A4 rear with 300 mm rotor diameter, and 2009 Audi A4 Quattro rear with 300 mm rotor diameter.

This part cross-references Raybestos Brakes (e.g., 980694, 980881) for the same application.

Common Issues This Rotor Can Address

  • Rear brake pulsation caused by rotor wear or thickness variation
  • Brake noise related to worn or uneven rear rotor surfaces
  • Reduced braking consistency from a rotor below discard thickness
  • Corrosion-related rotor deterioration on the braking surface
  • Fitment replacement needs for Audi rear brake service

Installation Notes and Tips

Confirm rotor diameter, center hole diameter, bolt pattern, and solid rear rotor specification before installation. Measure the existing rotor and compare it to the listed 300 mm outside diameter, 68 mm center hole, 112 mm bolt circle, and 5-bolt configuration to verify application match. Inspect pads, caliper hardware, and hub condition during service so the new rotor seats evenly and the braking surface wears correctly.

Quality Assurance

DuraGo backs this rotor with manufacturing standards focused on fit, form, and function. The brand’s brake drum and rotor program is produced in ISO-certified factories and supported by long-standing aftermarket cataloging experience for Audi brake applications.

This part fits 77 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2025AudiA4 QuattroRearSolid Rear Rotors
2025AudiA5 SportbackRearSolid Rear Rotors
2024AudiA4 QuattroRearSolid Rear Rotors
2024AudiA5 SportbackRearSolid Rear Rotors
2023AudiA4 QuattroRearSolid Rear Rotors
2023AudiA5 SportbackRearSolid Rear Rotors
2022AudiA4 QuattroRearSolid Rear Rotors
2022AudiA5 SportbackRearSolid Rear Rotors
2021AudiA4 QuattroRearSolid Rear Rotors
2021AudiA5 SportbackRearSolid Rear Rotors
2020AudiA4RearSolid Rear Rotors
2020AudiA5 SportbackRearSolid Rear Rotors
2019AudiA4RearSolid Rear Rotors
2019AudiA5 SportbackRearSolid Rear Rotors
2018AudiA4RearSolid Rear Rotors
2018AudiA5 SportbackRearSolid Rear Rotors
2017AudiA4RearSolid Rear Rotors
2017AudiA5 QuattroRear
2017AudiQ52.0LL4Rear
2016AudiA4Rear
2016AudiA4 allroadRear
2016AudiA4 QuattroRear
2016AudiA5Rear
2016AudiA5 QuattroRear
2016AudiallroadRear
2016AudiQ5Premium2.0LL4Rear
2016AudiQ5Premium Plus2.0LL4Rear
2015AudiA4Rear
2015AudiA4 allroadRear
2015AudiA4 QuattroRear
2015AudiA5Rear
2015AudiA5 QuattroRear
2015AudiallroadRear
2015AudiQ5Premium2.0LL4Rear
2015AudiQ5Premium Plus2.0LL4Rear
2014AudiA4Rear
2014AudiA4 allroadRear
2014AudiA4 QuattroRear
2014AudiA5Rear
2014AudiA5 QuattroRear
2014AudiallroadRear
2014AudiQ5Premium2.0LL4Rear
2014AudiQ52.0T2.0LL4Rear
2014AudiQ5Premium Plus2.0LL4Rear
2013AudiA4Rear
2013AudiA4 allroadRear
2013AudiA4 QuattroRear
2013AudiA5Rear
2013AudiA5 QuattroRear
2013AudiA6Rear
2013AudiA6 QuattroPremium2.0LL4Rear
2013AudiA6 QuattroPremium Plus2.0LL4Rear
2013AudiallroadRear
2013AudiQ5Premium2.0LL4Rear
2013AudiQ5Premium Plus2.0LL4Rear
2012AudiA4Rear
2012AudiA4 QuattroRear
2012AudiA5Rear
2012AudiA5 QuattroRear
2012AudiA6Rear
2012AudiQ5Rear
2011AudiA4Rear
2011AudiA4 QuattroRear
2011AudiA5Rear
2011AudiA5 QuattroRear
2011AudiQ5Rear
2010AudiA4Rear
2010AudiA4 QuattroRear
2010AudiA5Rear
2010AudiA5 QuattroRear
2010AudiQ5Rear
2009AudiA4BaseRear300 mm Rotor Diameter
2009AudiA4 QuattroBaseRear300 mm Rotor Diameter
2009AudiA4 QuattroAvantRear300 mm Rotor Diameter
2009AudiA5 QuattroRear
2009AudiQ5Rear
2008AudiA5 QuattroRear
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Parts Authority — PRT5993Raybestos Brakes — 980694Raybestos Brakes — 9808818K0615601B344033447590080812133127AX900808BD180106P900808