Dorman 929-913 Coil Spring - Rear

Dorman 929-913 Rear Coil Springs

Dorman 929-913 rear coil springs are an extra-heavy-duty suspension upgrade for Ram 1500 and Dodge Ram 1500 trucks used in continuous hauling conditions. Built from 5160H alloy with a powder-coated metallic grey finish, this coil spring set increases load handling by 70% over the vehicle’s nominal spring rate while helping improve ride quality and handling under heavy rear loads.

Key Features

• Extra-heavy-duty rear coil spring design for load-carrying use
• 70% increase in load handling capability over nominal spring rate
• 5160H alloy construction for suspension durability
• Powder-coated metallic grey finish for added surface protection
• Constant spring rate for predictable rear suspension response
• OE lift height of +3.0 in for a raised rear stance
• End styles: pigtail over center and semi-closed plain

Detailed Description

This Dorman coil spring set, part number 929-913, is engineered for rear suspension applications on 2009-2010 Dodge Ram 1500 and 2011-2018 Ram 1500 trucks with standard-rate rear springs. The XHD suspension grade and 0.687 wire diameter support heavier rear loads while helping reduce driver fatigue during repeated towing, hauling, and work-truck use. If you are searching for rear coil springs for a 2011-2018 Ram 1500 or a 2009-2010 Dodge Ram 1500, 929-913 provides a direct suspension upgrade focused on load control and ride consistency.

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

Common Problems It Can Address

• Rear sag from frequent cargo or towing loads
• Reduced ride height from worn factory coil springs
• Excessive rear-end bottoming under heavy hauling
• Unstable handling when the truck bed is loaded
• Loss of spring support in work-truck or RV use

Installation Notes and Tips

Compatible With 2009-2010 Dodge Ram 1500, rear, standard rate, and 2011-2018 Ram 1500, rear, standard rate. Verify rear suspension configuration before installation and inspect related components such as shocks, isolators, and spring seats for wear. Seat included is not specified, so confirm the vehicle’s existing hardware and mounting surfaces during service. Professional installation is recommended for proper spring compression and safe suspension assembly.

Quality Assurance

Dorman suspension components are built to meet application-specific requirements for fit and function. Part number 929-913 uses 5160H alloy construction and a powder-coated finish to support long-term service in demanding rear suspension applications.