Dorman 929-928 Coil Spring - Rear

Dorman 929-928 Rear Coil Springs for Ram 1500

Dorman 929-928 rear coil springs are built for severe heavy-duty use on Ram 1500 and Dodge Ram 1500 trucks. This suspension upgrade increases load handling by 70% over the vehicle’s nominal spring rate and helps improve ride control in continuous hauling conditions.

Key Features

• Extra-heavy-duty rear coil spring design for severe service
• 70% increase in load handling capability over nominal spring rate
• Custom-engineered to improve ride quality and reduce driver fatigue
• Powder-coated metallic grey finish for added corrosion resistance
• 5160H alloy construction for demanding truck and SUV suspension use
• Variable spring rate with pigtail over center and semi-closed plain ends
• OE lift height increase of +2.9 in

Detailed Description

Built for rear suspension applications, Dorman 929-928 is a direct-fit coil spring set for 2009-2010 Dodge Ram 1500 and 2011-2018 Ram 1500 models with severe heavy duty requirements. The 5160H alloy construction and variable spring rate help support heavier loads while maintaining more controlled ride behavior than a standard spring setup. For buyers searching for rear coil springs for Ram 1500 heavy hauling, this part number provides a practical suspension upgrade for trucks used in demanding work conditions.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Rear sag from frequent cargo or towing loads
• Reduced ride control under continuous heavy hauling
• Excessive suspension compression in severe-duty use
• Driver fatigue caused by unstable rear suspension behavior
• Need for a higher-rate rear coil spring replacement on Ram 1500 trucks

Installation Notes and Tips

Compatible With 2009-2010 Dodge Ram 1500, rear severe heavy duty, and 2011-2018 Ram 1500, rear severe heavy duty. Verify rear suspension configuration before installation and inspect related components such as mounts, isolators, and shocks for wear. Dorman 929-928 is supplied as a coil spring replacement and does not list seat inclusion.

Quality Assurance

Dorman engineers this spring set for heavy-duty suspension service using 5160H alloy material and a powder-coated finish. The design focuses on load support, ride control, and durability for trucks operating in severe hauling conditions.