Dorman 999-985 Frame Crossmember - Rear

Dorman 999-985 Rear Frame Crossmember

Dorman 999-985 is a rear frame crossmember for specific Chevrolet, GMC, and Cadillac truck and SUV applications. It replaces a corroded or impact-damaged original crossmember with a steel, standard replacement part built to match factory dimensions for accurate frame repair.

Key Features

• Steel construction for durable frame support
• One-piece configuration for a direct structural replacement
• Specific fit for rear installation on listed vehicles
• Factory-matched dimensions for proper alignment during repair
• Standard replacement grade for body and frame restoration work
• Mounting hardware included
• Part number 999-985 for ordering and cross-reference

Detailed Description

This rear frame crossmember is used in body and frame repair when the original component has been weakened by rust, road damage, or collision impact. The steel construction and factory-style dimensions help restore structural integrity on applications such as 1988-2000 Chevrolet C1500, 1988-2000 Chevrolet C2500, 1988-2000 Chevrolet C3500, 1988-2000 Chevrolet K2500, 1988-2000 Chevrolet K3500, 1988-1999 Chevrolet K1500, 1988-1999 GMC C1500, 1988-2000 GMC C2500, 1988-2000 GMC C3500, 1988-1999 GMC K1500, 1988-2000 GMC K2500, 1988-2000 GMC K3500, and 1999-2000 Cadillac Escalade, rear. This part cross-references OE number 15529438 for the same application. The Dorman 999-985 is a practical choice for restoring the rear frame structure on Chevrolet C/K trucks, GMC C/K trucks, and Cadillac Escalade models where the original crossmember no longer meets repair standards.

What It Helps Repair

• Rear frame corrosion that compromises structural strength
• Impact damage to the original crossmember
• Frame misalignment during body repair
• Replacement of a worn or rusted OE crossmember
• Restoration work on Chevrolet C/K and GMC C/K truck frames

Installation Notes and Tips

Verify vehicle fitment by year, make, model, and rear position before installation. Compare the original crossmember, mounting hole layout, and dimensions to confirm proper alignment. Because this is a structural frame component, installation should be performed with accurate measuring and frame-support equipment to maintain correct chassis geometry. The included mounting hardware supports the repair process, but final fit should still be checked against the vehicle before welding or final fastening.

Quality Assurance

Dorman manufactures this crossmember as a standard replacement part using steel construction and factory-matched dimensions for a reliable structural repair. Part number 999-985 is built for specific rear-frame applications on Chevrolet, GMC, and Cadillac vehicles listed above.