Dorman 43-1985HD Leaf Spring Assembly - Rear

Heavy-Duty Rear Leaf Spring

This Dorman leaf spring assembly is built for rear suspension service where load support and ride control matter. It is a steel, heavy-duty replacement with a 2500 load rate, black bushings, and a five-leaf design for applications that need consistent support.

Compatible With Ford F-150 and Ford Lobo rear suspension applications, this part number 43-1985HD is a direct-fit style replacement for heavy-duty aftermarket design requirements. The assembly includes bushings and uses eye-to-eye attachment points for a straightforward suspension service job.

Key Features

• Steel leaf spring construction for rear suspension load support
• Heavy-duty suspension grade with a 2500 load rate
• Five-leaf design for controlled spring action
• Black bushings included for the assembly
• Eye-to-eye end attachment type
• Part number 43-1985HD for application matching

Detailed Description

Leaf springs carry vehicle weight and payload while helping maintain suspension performance and passenger comfort. This Dorman 43-1985HD leaf spring assembly is engineered for rear applications and is listed with a heavy-duty aftermarket design note for Ford F-150 and Ford Lobo fitment. The steel construction, 28.5-inch axis length, and 5.5-inch arch length support a replacement focused on load handling and stable rear suspension behavior. If you are servicing a Ford F-150 or Ford Lobo rear suspension, part number 43-1985HD provides the specified fitment and construction details needed for selection.

This part cross-references Monroe Shocks & Struts (e.g., 043-1985-00HD, 43-1985HDDAY) for the same application.

What It Helps Address

• Sagging rear ride height from worn leaf springs
• Poor load support under cargo or towing weight
• Reduced suspension stability from fatigued spring packs
• Uneven rear suspension response
• Noise or looseness related to worn spring bushings

Installation Notes and Tips

Verify rear fitment against the application notes before installation. Confirm the spring dimensions, attachment style, and axle configuration match the vehicle specification. Bushings are included; mounting hardware is not listed in the product data, so confirm whether existing hardware can be reused or if replacement hardware is needed.

Quality Assurance

Dorman identifies this leaf spring assembly by part number 43-1985HD and provides application-specific selection guidance through the listed attributes and fitment data. Use the confirmed vehicle notes to match the correct rear suspension configuration before installation.