PowerStop
Power Stop - Front OE Stock Replacement Brake Rotor

PowerStop AR82004 Disc Brake Rotor - Front

Brand PowerStop AR82004
Position Front
Discard Thickness 0.91
Discard Thickness 23.00
Nominal Thickness 0.94
Nominal Thickness 24.00
Rust Resistant Coating No
Overall Height 1.90
Overall Height 47.00
Outside Diameter 11.00
Outside Diameter 280.00
Solid Or Vented Type Rotor Vented
Mounting Bolt Hole Circle Diameter 110.00
Mounting Bolt Hole Circle Diameter 4.30
Stud/Lug Hole Quantity 5
Product line Power Stop - Front OE Stock Replacement Brake Rotor
Fits Chevrolet and Pontiac · 14 vehicles

Direct-fit replacement. Built for OE-style fit and performance in brake service.

Vented rotor design. Helps manage heat during repeated braking.

Precision dimensions. 11.00 in. diameter with a 5-lug bolt circle.

$81.10Free 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 β€” free returns if it doesn't
Step 2 — Quantity
Disc Brake Rotors are typically replaced in pairs, axle by axle.
Order total $81.10
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Direct-fit brake rotor

Power Stop Autospecialty brake rotor AR82004 is a direct-fit replacement for OE-style braking performance. It is built for front applications and matches the fitment requirements for select Chevrolet Cobalt and Pontiac G5 models.

Key features

  • Direct-fit replacement rotor for OE-style fit and performance.
  • Vented rotor design for improved heat management.
  • 11.00 in. outside diameter with a 5-lug bolt pattern.
  • Nominal thickness of 0.94 in. and discard thickness of 0.91 in.
  • Power Stop AR82004 for front brake service applications.

Detailed fitment and design

This Power Stop disc brake rotor is engineered as a front OE stock replacement brake rotor for vehicles that require the listed dimensions and vented construction. Compatible With 2007-2010 Chevrolet Cobalt, front; Fits 2010 Pontiac G5, front; Fits 2007-2009 Pontiac G5, front. The AR82004 uses a 110 mm bolt circle, 5 stud/lug holes, and an overall height of 1.90 in. to support proper rotor alignment and brake system fitment.

What it is used for

  • Replacing a worn or warped front brake rotor.
  • Restoring braking surface thickness within service limits.
  • Addressing brake pulsation caused by rotor wear or runout.
  • Maintaining correct fit on 5-lug front brake setups.

Installation notes and quality

Verify rotor diameter, bolt circle, thickness, and hub dimensions before installation. Compare the existing rotor to the listed specifications and confirm the vehicle application matches the fitment data exactly. Power Stop Autospecialty rotors are positioned as direct-fit OE replacement parts, and AR82004 is identified by the part number AR82004 for ordering and verification.

Quality assurance

Power Stop Autospecialty rotors are presented as direct-fit parts for original equipment fit and performance. Use the listed dimensions and fitment data to confirm application before service.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2010ChevroletCobaltBaseFront5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2010ChevroletCobaltLSFront5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2010ChevroletCobaltLTFront5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2010PontiacG5—FrontPower Stop - Front OE Stock Replacement Brake Rotor
2009ChevroletCobaltLSFront5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2009ChevroletCobaltLTFront5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2009PontiacG5—Front5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2008ChevroletCobaltLSFront5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2008ChevroletCobaltLTFront5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2008PontiacG5—Front5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2007ChevroletCobaltLSFront5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2007ChevroletCobaltLTFront5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2007ChevroletCobaltLTZFront5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor
2007PontiacG5—Front5 Lugs; Power Stop - Front OE Stock Replacement Brake Rotor