Dorman 46-1343HD Leaf Spring Assembly - Rear

Dorman 46-1343HD Rear Leaf Spring Assembly

Dorman 46-1343HD is a heavy-duty rear leaf spring assembly built for select Dodge Sprinter 2500 and Sprinter 3500 applications. It is engineered to restore suspension support for vehicles that carry payloads or tow regularly, while helping maintain ride height and passenger comfort.

• Rear leaf spring assembly for select 2003-2006 Dodge Sprinter 2500 and Sprinter 3500 models
• Heavy-duty suspension grade with a 4,800 lb load rate
• 4-leaf design with a 2.75 in. leaf width
• Steel construction with black bushings
• End 1 and End 2 use Berlin eye attachment points
• Pack thickness: 3.112 in.; leaf spring arch length: 5.25 in.
• Part number: 46-1343HD

Fitment Details

• Fits 2003-2006 Dodge Sprinter 2500, rear; 3 leaf; full taper; 3.125 in. pack thickness; 4,800 lb. average capacity; two stage; heavy-duty aftermarket design.
• Fits 2003-2006 Dodge Sprinter 3500, rear; 3 leaf; full taper; 3.125 in. pack thickness; 4,800 lb. average capacity; two stage; heavy-duty aftermarket design.

Why This Leaf Spring Matters

Leaf springs carry vehicle weight and payload while helping control rear suspension movement. On a Dodge Sprinter 2500 or Dodge Sprinter 3500, a worn or sagging spring can affect stance, load support, and overall ride quality. Dorman 46-1343HD provides a direct rear suspension replacement for the listed applications, with steel construction and included bushings for a complete spring assembly.

Common Problems It Can Address

• Rear sag from worn or fatigued leaf springs
• Reduced load-carrying support under cargo or towing weight
• Uneven ride height at the rear of the vehicle
• Excessive rear suspension movement over bumps and road joints
• Noise or looseness related to deteriorated spring bushings

Installation Notes and Tips

Verify axle orientation, spring width, pack thickness, and eye style before installation. This rear leaf spring assembly is listed with bushings included and does not require axle modification. Mounting hardware is not included, so reuse or source the correct hardware for the vehicle. Confirm the vehicle’s rear suspension configuration against the fitment notes for the exact Dodge Sprinter 2500 and Sprinter 3500 application.

Quality Assurance

Dorman manufactures replacement suspension components to match the listed application details and dimensional requirements. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. Part number 46-1343HD is identified for the specified rear fitments on 2003-2006 Dodge Sprinter 2500 and Dodge Sprinter 3500 models.