Dorman 43-2073HD Leaf Spring Assembly - Rear

Dorman 43-2073HD Leaf Spring Assembly

Dorman 43-2073HD is a heavy-duty leaf spring assembly built for rear suspension service where load support and ride control matter. It uses steel construction, includes bushings, and is specified with a 10,000 load rate for demanding truck and trailer applications.

Compatible With rear suspension setups that require a 3-inch-wide, 14-leaf assembly with up-turned eye ends, this part is a direct-fit service component for restoring spring function on the correct application. Search terms such as heavy duty rear leaf spring assembly, steel leaf spring with bushings, and Dorman 43-2073HD leaf spring replacement are commonly used by buyers comparing suspension parts for truck and trailer maintenance.

• Heavy-duty leaf spring assembly for rear axle applications
• Steel construction for suspension load support
• 14-leaf pack with 3-inch leaf width
• 10,000 load rate for demanding service conditions
• Black bushings included
• Up-turned eye attachment at both ends
• No helper spring and no axle modification needed
• Package contents: 1 leaf spring

How This Leaf Spring Supports Suspension

The leaf spring carries vehicle or trailer weight, helps maintain ride height, and contributes to suspension stability under load. Dorman 43-2073HD is built for rear use and is identified by part number 43-2073HD, making it easier to match against suspension catalogs and replacement searches. For buyers comparing Dorman 43-2073HD against OE-style rear leaf spring assembly options, the key specs are the steel pack, 14 leaves, 7.715 pack thickness, and 5.125 arch length.

What It Can Help Address

• Sagging rear ride height from worn leaf springs
• Reduced load-carrying performance in the rear suspension
• Excessive rear-end bounce or instability over bumps
• Uneven stance caused by fatigued spring packs
• Noise or looseness related to worn spring bushings

Installation Notes

Verify axle orientation, leaf width, arch length, and end attachment type before ordering. This assembly is listed with rear axle orientation, black bushings, and up-turned eye ends, and it does not require axle modification. Mounting hardware is not included. Confirm the vehicle’s suspension specifications against the part number 43-2073HD before installation.

Quality Assurance

Dorman supplies replacement suspension components with application-specific specifications, and this leaf spring assembly is built to match the listed attributes for the correct rear suspension setup. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.