Dorman 22-603 Leaf Spring Assembly - Rear

Durable Leaf Spring Assembly for Chevrolet and GMC Trucks

The Dorman 22-603 leaf spring assembly is engineered to provide reliable suspension support for Chevrolet P30 and GMC P3500 models. Constructed from high-quality steel with a black finish, this replacement leaf spring assembly is designed to restore your vehicle's rear suspension performance without requiring axle modifications.

• Material: Heavy-duty steel construction for strength and durability
• Color: Black finish for corrosion resistance
• Leaf Quantity: 11 leaves with a 2.5-inch width for balanced load distribution
• Load Rate: 3760 lbs to support standard suspension requirements
• Bushing Color: Black bushings included for smooth operation
• Axle Orientation: Rear suspension application
• Helper Spring: Not included, designed as a standard replacement
• Mounting Hardware: Not included
• Dimensions: 26 inches length axis, 4.37 inches pack thickness, 4.25 inches arch length

Product Details and Specifications

The Dorman 22-603 leaf spring assembly is a standard replacement part designed specifically for the rear suspension of Chevrolet P30 and GMC P3500 trucks. Made from robust steel, this assembly features 11 leaves, each 2.5 inches wide, providing a load rate of 3760 pounds. The black finish enhances corrosion resistance, extending the lifespan of the spring pack. Black bushings are included to ensure proper fit and reduce noise and vibration during operation. This leaf spring assembly does not require any axle modifications, making it a direct replacement for your vehicle’s original suspension component.

Common Applications and Problem Solving

• Restores sagging or worn rear suspension in Chevrolet P30 and GMC P3500 trucks
• Improves load carrying capacity and vehicle stability
• Eliminates excessive rear-end bounce and uneven ride height
• Replaces broken or cracked leaf springs to maintain safe handling
• Addresses noise and vibration issues caused by worn bushings

Installation Notes and Tips

Installation of the Dorman 22-603 leaf spring assembly requires standard suspension tools and mechanical knowledge. Since mounting hardware is not included, ensure you have the necessary bolts, nuts, and U-bolts compatible with your vehicle. No axle modifications are needed, simplifying the replacement process. It is recommended to inspect related suspension components such as shackles and bushings during installation to ensure overall system integrity.

Quality Assurance and Warranty

Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for durability and performance. The steel construction and included bushings are designed to provide consistent suspension support under normal operating conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship. Verify warranty terms with the product documentation or supplier.