PowerStop
PowerStop - Rear Coated Hat and Edge Rotor

PowerStop AR82111SCR Disc Brake Rotor - Rear

Brand PowerStop AR82111SCR
Position Rear
Discard Thickness 0.35
Discard Thickness 9.00
Nominal Thickness 0.44
Nominal Thickness 11.20
Balancing Type Mill balanced
Construction Full cast
Rust Resistant Coating Yes
Overall Height 1.98
Overall Height 50.30
Outside Diameter 10.94
Outside Diameter 278.00
ABS Tone Ring Included No
Surface Type Smooth
Solid Or Vented Type Rotor Solid
Mounting Bolt Hole Circle Diameter 115.00
Mounting Bolt Hole Circle Diameter 4.53
Stud/Lug Hole Quantity 5
Product line PowerStop - Rear Coated Hat and Edge Rotor
Fits Buick and Chevrolet · 11 vehicles

OE-style replacement. Direct bolt-on rotor engineered to match original equipment specifications.

Corrosion-resistant coating. Silver epoxy protects the hat, edge, and vanes from rust.

Mill balanced. Built for smooth operation with a full cast, solid rotor design.

Cross-references 19303830, 25956847 and 88965647 for the same application. See all 3.

$73.13Free 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.

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Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Disc Brake Rotors are typically replaced in pairs, axle by axle.
Order total $73.13
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Rear coated brake rotor for OE replacement

PowerStop AR82111SCR is a rear disc brake rotor built as a direct bolt-on replacement for original equipment. It is engineered to match OE performance and specifications, with fitment for select Chevrolet Impala, Chevrolet Monte Carlo, Buick Allure, and Buick LaCrosse applications.

Key features

  • Part number AR82111SCR for easy identification.
  • Partially coated design helps resist corrosion on exposed areas.
  • Silver epoxy coating covers the hat, outer edge, and vanes.
  • Full cast, solid rotor construction with a smooth surface.
  • Mill balanced to support OE-style fit and operation.
  • Compatible with 5-lug rear brake applications using a 115 mm bolt circle.

Detailed description

PowerStop AR82111SCR is a coated rear brake rotor designed for drivers who want an OE-style replacement with added corrosion protection. The coated hat and edge help preserve appearance behind alloy wheels, while the solid full cast design and OE-matched vane count and weight support consistent braking performance. This rotor is a practical choice for rear brake service on the Chevrolet Impala, Chevrolet Monte Carlo, Buick Allure, and Buick LaCrosse.

This part cross-references GM OE numbers 19303830 and 25956847 for the same application.

Common issues this rotor can address

  • Rust buildup on the rotor hat, edge, or internal vanes.
  • Brake pulsation caused by worn or out-of-spec rear rotors.
  • Reduced braking consistency from a damaged or heat-worn rotor surface.
  • Visible corrosion behind alloy wheels.
  • Need for a direct replacement rotor with OE-style dimensions.

Installation notes and tips

Fits 2006-2010 Chevrolet Impala, rear. Fits 2008-2009 Buick Allure, rear. Fits 2008-2009 Buick LaCrosse, rear. Fits 2006-2007 Chevrolet Monte Carlo, rear. Verify rotor dimensions, bolt circle, and rear brake configuration before installation. Clean the hub mounting surface thoroughly to help ensure proper seating and even rotor contact.

Quality assurance

PowerStop designs this rotor to match original equipment performance and specifications, including weight and vane count, for guaranteed fitment.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2010ChevroletImpala———RearPowerStop - Rear Coated Hat and Edge Rotor
2009BuickAllure—5.3LV8RearPowerStop - Rear Coated Hat and Edge Rotor
2009BuickLaCrosse—5.3LV8RearPowerStop - Rear Coated Hat and Edge Rotor
2009ChevroletImpala———RearPowerStop - Rear Coated Hat and Edge Rotor
2008BuickAllure—5.3LV8RearPowerStop - Rear Coated Hat and Edge Rotor
2008BuickLaCrosseSuper——RearPowerStop - Rear Coated Hat and Edge Rotor
2008ChevroletImpala———RearPowerStop - Rear Coated Hat and Edge Rotor
2007ChevroletImpala———RearPowerStop - Rear Coated Hat and Edge Rotor
2007ChevroletMonte Carlo———RearPowerStop - Rear Coated Hat and Edge Rotor
2006ChevroletImpala———RearPowerStop - Rear Coated Hat and Edge Rotor
2006ChevroletMonte Carlo———RearPowerStop - Rear Coated Hat and Edge Rotor
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
193038302595684788965647