DVJX 20-80131 Brake Drum - Rear

Brake Drum Replacement

The RotoMax Premium Coated Drum, part number 20-80131, is a rear brake drum built for specific compact GM applications. It is listed for the Chevrolet HHR, Chevrolet Cobalt, and Pontiac G5 with 228mm outer diameter fitment details.

Key Features

• Premium coated brake drum for corrosion resistance on exposed surfaces.
• Rear brake drum application with 228mm outer diameter specification.
• Fitment listed for Chevrolet HHR, Chevrolet Cobalt, and Pontiac G5.
• RotoMax Premium Coated Drum line for replacement brake service.

Detailed Description

Part number 20-80131 is a rear brake drum engineered for direct replacement service on select Chevrolet HHR, Chevrolet Cobalt, and Pontiac G5 models. The RotoMax Premium Coated Drum line adds a protective coated finish that helps preserve the drum surface during storage and service handling. For buyers searching for a rear brake drum for Chevrolet HHR, Chevrolet Cobalt, or Pontiac G5 applications, this part provides the listed 228mm outer diameter fitment and 5-lug notes where specified.

What It Is Used For

• Restoring rear drum brake function when the original drum is worn or out of specification.
• Replacing a drum with corrosion on the braking surface or outer shell.
• Addressing brake pulsation or uneven rear braking caused by drum wear.
• Supporting proper rear brake shoe contact on listed Chevrolet and Pontiac applications.

Installation Notes and Tips

Verify the 228mm outer diameter and rear position before installation. Confirm wheel lug configuration and compare the existing drum to the vehicle listing for Chevrolet HHR, Chevrolet Cobalt, or Pontiac G5 fitment. Inspect brake shoes, hardware, and wheel cylinders during service so the new drum can seat against a clean, even braking surface.