Dorman 520-157 Suspension Control Arm Bushing - Front Left Lower

Durable Suspension Control Arm Bushing for Select GM and Saab Models

The Dorman 520-157 suspension control arm bushing is engineered to provide reliable support and stability for your vehicle's suspension system. Designed specifically for various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models, this iron bushing ensures consistent performance and durability.

• Constructed from robust iron material for long-lasting strength
• Finished in black for corrosion resistance and durability
• Height dimension of 2.33 inches for precise fitment
• Distance between mounting holes measures 10.5 inches for accurate installation
• Includes control arm support bracket for complete assembly

Product Details and Specifications

The Dorman 520-157 suspension control arm bushing is designed to meet the exacting standards required for suspension components. Its iron construction provides the necessary rigidity to maintain suspension geometry under load, while the black finish helps resist environmental wear. The 2.33-inch height and 10.5-inch distance between mounting holes ensure compatibility with control arms on select models such as the Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x. This part includes the control arm support bracket, facilitating a straightforward replacement process.

Compatible Vehicles and Applications

This suspension control arm bushing is compatible with the following makes and models:

• Buick Rainier
• Chevrolet Trailblazer, Trailblazer EXT, SSR
• GMC Envoy, Envoy XL, Envoy XUV
• Isuzu Ascender, Bravada
• Oldsmobile
• Saab 9-7x

Common Suspension Issues Addressed

• Excessive suspension noise or clunking
• Uneven tire wear due to misaligned control arms
• Reduced handling stability and control
• Vibration or harshness during driving
• Worn or damaged control arm bushings causing suspension play

Installation Notes and Tips

When installing the Dorman 520-157 suspension control arm bushing, ensure the vehicle is securely lifted and supported. Remove the old bushing and clean the mounting surfaces thoroughly before installing the new part. Verify that the 10.5-inch distance between mounting holes aligns correctly with the control arm bracket. Proper torque specifications should be followed to avoid premature wear or failure.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-157 control arm bushing undergoes rigorous quality checks to ensure durability and fitment accuracy. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.