Dorman 21129 Parking Brake Strut - Rear Left or Rear Right

Reliable Parking Brake Strut for Select GM Vehicles

The Dorman 21129 parking brake strut is designed to provide a precise fit and dependable performance for a range of Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models. Crafted with durable brass and measuring 9.5 inches in length, this component ensures consistent parking brake operation.

• Length: 9.5 inches for accurate fitment
• Constructed from brass for corrosion resistance
• Compatible with multiple GM makes and models
• Includes one parking brake strut per package
• Part number 21129 for easy identification

Durable Brass Construction and Precise Dimensions

The Dorman 21129 parking brake strut features a brass finish that resists rust and wear, extending the life of your parking brake system. At 9.5 inches long, it matches the original equipment specifications for a secure and reliable fit. This part is engineered to maintain proper tension and alignment within the parking brake assembly, helping to ensure safe vehicle parking and brake engagement.

Compatible Vehicles and Applications

This parking brake strut is compatible with a wide range of GM vehicles, including Buick models like the Century, LeSabre, and Regal; Chevrolet models such as the Camaro, Caprice, and Impala; GMC trucks like the Jimmy and Sonoma; Oldsmobile models including the Cutlass and Delta 88; and Pontiac vehicles such as the Firebird, Grand Prix, and GTO. The Dorman 21129 is suitable for use in both passenger cars and light trucks, making it a versatile replacement part for parking brake hardware.

Common Issues Addressed by the Parking Brake Strut

• Loose or ineffective parking brake engagement
• Corroded or worn brake hardware causing brake failure
• Misalignment within the parking brake assembly
• Difficulty maintaining parking brake tension
• Replacement of damaged or broken strut components

Installation Notes and Tips

When installing the Dorman 21129 parking brake strut, ensure the vehicle is securely lifted and the parking brake system is fully released. Compare the new strut length and shape to the original part to confirm compatibility. Use appropriate tools to avoid damaging the brass finish during installation. It is recommended to inspect related hardware such as cables and levers for wear and replace as necessary to maintain optimal parking brake function.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 21129 parking brake strut undergoes quality checks to ensure proper fit and function. This part is backed by Dorman's limited warranty, covering defects in material and workmanship under normal use.