PowerStop AR82140 Disc Brake Rotor - Front
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PowerStop
 Power Stop - Front OE Stock Replacement Brake Rotor

PowerStop AR82140 Disc Brake Rotor - Front

Brand PowerStop AR82140
Position Front
Discard Thickness 0.94
Discard Thickness 24.00
Nominal Thickness 1.01
Nominal Thickness 25.70
Rust Resistant Coating No
Overall Height 1.70
Overall Height 42.80
Outside Diameter 12.40
Outside Diameter 315.50
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 · 5 vehicles

Direct-fit replacement. OE-style brake rotor for straightforward service and stock replacement use.

Vented design. Helps manage heat during braking with a rotor built for front brake service.

Autospecialty line. Power Stop stock replacement rotor line for original equipment fit and performance.

$86.65Free 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 $86.65
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

Overview

Power Stop Autospecialty disc brake rotor AR82140 is a direct-fit replacement for OE-style braking performance. It is built as a vented rotor with a 12.40-inch outside diameter and 5-lug bolt pattern details that match the listed applications.

Compatible with Chevrolet Cobalt and Chevrolet HHR front brake applications, this rotor supports a straightforward replacement path for drivers servicing OE-style brake systems. Part number AR82140 is also identified as a Power Stop front OE stock replacement brake rotor.

Key Features

  • Direct-fit disc brake rotor for OE-style replacement
  • Vented rotor design for improved heat management
  • 12.40-inch outside diameter with 5-lug mounting pattern
  • Nominal thickness of 1.01 inches for the listed applications
  • Power Stop Autospecialty line for stock replacement use

Detailed Description

Power Stop AR82140 is a vented disc brake rotor engineered for front brake service on select Chevrolet Cobalt and Chevrolet HHR models. The rotor’s dimensions, including 315.50 mm outside diameter, 25.70 mm nominal thickness, and 110.00 mm bolt circle diameter, align with the specified fitment for 2008-2010 Chevrolet Cobalt, front, and 2009-2010 Chevrolet HHR, front with rear disc brakes and a 4-piston front caliper.

As part of the Power Stop Autospecialty line, AR82140 is positioned as an OE stock replacement rotor for drivers who want a direct-fit service part. The part number AR82140 is useful when matching the correct rotor for Chevrolet Cobalt and Chevrolet HHR front brake applications.

What It Is Used For

  • Replacing a worn or warped front brake rotor
  • Restoring braking smoothness after rotor wear
  • Addressing brake pulsation caused by uneven rotor surfaces
  • Servicing OE-style brake systems on listed Chevrolet applications

Installation Notes and Tips

Fits 2008-2010 Chevrolet Cobalt, front. Fits 2009-2010 Chevrolet HHR, front. Verify rotor dimensions, bolt circle diameter, and brake configuration before installation, especially on HHR models with rear disc brakes and a 4-piston front caliper. Confirm part number AR82140 against the vehicle’s brake setup before ordering.

Quality Assurance

Power Stop describes this rotor as a direct-fit solution for original equipment fit and performance. The Autospecialty line is intended as a stock replacement option for OE-style brake service.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2010ChevroletCobaltSSFrontPower Stop - Front OE Stock Replacement Brake Rotor
2010ChevroletHHR—FrontRear Disc Brakes, 4 Piston Front Caliper; Power Stop - Front OE Stock Replacement Brake Rotor
2009ChevroletCobaltSSFrontPower Stop - Front OE Stock Replacement Brake Rotor
2009ChevroletHHR—FrontRear Disc Brakes, 4 Piston Front Caliper; Power Stop - Front OE Stock Replacement Brake Rotor
2008ChevroletCobaltSSFrontPower Stop - Front OE Stock Replacement Brake Rotor