Dorman Rear Leaf Helper Spring for Select Chevrolet/GMC Models

The Dorman rear leaf helper spring (also called a rear helper leaf spring or overload spring) adds supplemental support to the rear suspension of select Chevrolet and GMC trucks and SUVs. It helps restore ride height and load-carrying support when the factory leaf springs have weakened or sagged over time.

Key Features:

• Designed to supplement the rear leaf spring pack and add support when hauling or towing
• Helps reduce rear-end sag and improve vehicle stance and stability
• Built from durable spring steel for long service life
• Engineered as a direct-fit replacement to simplify installation
• Available in standard and heavy-duty (HD) versions across the product line

Dorman is a trusted aftermarket brand known for solving common repair problems with quality replacement parts. Choose the correct part number for your application to restore rear suspension support and confident load handling.