Dorman 929-943 Coil Spring - Front

Dorman 929-943 Heavy-Duty Front Coil Springs

Dorman 929-943 heavy-duty coil springs are built for front suspension applications that see frequent load changes and continuous hauling. Compatible with 2005-2025 Ford F-250 Super Duty and 2005-2025 Ford F-350 Super Duty models with a leveling system, this suspension upgrade is engineered to improve load support, ride control, and handling consistency.

Key Features

• Heavy-duty coil spring design for front suspension use
• Provides a 35% increase in load handling capability over the vehicle’s nominal spring rate
• Custom-engineered to improve ride quality and reduce driver fatigue
• Constant spring rate for predictable front-end response
• 5160H alloy construction with powder-coated metallic grey finish
• OE lift specification: +2 in
• Fits front position on Ford Super Duty trucks with leveling system

Detailed Description

Part number 929-943 is a front coil spring set from Dorman designed for demanding truck use, including pickup trucks, SUVs, RVs, plow trucks, and vans that operate under heavy hauling conditions. The 5160H alloy construction and constant-rate spring design help maintain stable suspension behavior while supporting added front-end load. For Ford F-250 Super Duty and Ford F-350 Super Duty applications, this part number 929-943 is a direct-fit suspension replacement for vehicles equipped with a leveling system.

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

What It Helps Address

• Front-end sag from repeated heavy hauling
• Reduced ride control when carrying added weight
• Excessive suspension compression under load
• Uneven handling during towing or plow use
• Driver fatigue caused by inconsistent front suspension response

Installation Notes and Tips

• Compatible With 2005-2025 Ford F-250 Super Duty, front, w/Leveling System.
• Compatible With 2005-2025 Ford F-350 Super Duty, front, w/Leveling System.
• Verify front suspension configuration and leveling system equipment before ordering.
• Inspect related suspension components, including mounts and isolators, during replacement.
• Professional installation is recommended for proper spring compression and safe suspension service.

Quality Assurance

Dorman suspension components are engineered for application-specific fit and consistent performance. The 5160H alloy construction, powder-coated finish, and heavy-duty spring rate support dependable service in demanding front suspension applications.