HomeDorman 43-1183 Leaf Spring Assembly - Rear
Part #: 43-1183

Dorman 43-1183 Leaf Spring Assembly - Rear

Rear
22 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Mazda, and Mercury, Explorer, Explorer Sport, Mountaineer, and Navajo
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Durable Leaf Spring Assembly for Ford, Mazda, and Mercury Vehicles

The Dorman 43-1183 leaf spring assembly is engineered to restore suspension performance for select Ford Explorer, Mazda Navajo, and Mercury Mountaineer models. Constructed from high-quality steel with black bushings, this rear axle leaf spring provides reliable support and ride stability.

Key Features of the Dorman 43-1183 Leaf Spring Assembly

  • Material: Heavy-duty steel construction for strength and durability
  • Color: Black finish with black bushings for corrosion resistance
  • Load Rate: 1131 lbs to support standard suspension requirements
  • Leaf Quantity: Single leaf design optimized for rear axle suspension
  • Leaf Width: 3 inches for consistent load distribution
  • Leaf Spring Arch Length: 4.625 inches to maintain proper ride height
  • Compatible with rear axle orientation, no axle modification needed
  • Includes bushings for direct replacement
  • Standard replacement suspension grade for reliable performance

Detailed Description of the Dorman 43-1183 Leaf Spring Assembly

This leaf spring assembly is designed as a direct replacement for the rear suspension of Ford Explorer, Explorer Sport, Mazda Navajo, and Mercury Mountaineer vehicles. The steel construction ensures long-lasting durability under typical load conditions, while the black bushings help reduce noise and wear. With a load rate of 1131 lbs, this leaf spring supports the vehicle’s weight and maintains proper suspension geometry without requiring axle modifications. The single leaf design with a 3-inch width and 4.625-inch arch length provides consistent ride height and handling characteristics aligned with original equipment specifications.

Common Suspension Issues Addressed by This Leaf Spring Assembly

  • Sagging or lowered rear suspension height
  • Uneven or unstable ride quality
  • Excessive rear axle movement or noise
  • Worn or damaged leaf springs causing handling problems
  • Replacement of corroded or fatigued suspension components

Installation Notes and Tips for Dorman 43-1183

Installation of this leaf spring assembly requires standard suspension tools and mechanical knowledge. Since mounting hardware is not included, reuse existing bolts or source appropriate fasteners. No axle modifications are necessary, simplifying the replacement process. Ensure the vehicle is properly supported and aligned during installation to maintain suspension geometry and safety.

Quality Assurance and Warranty Information

Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for material and performance. The steel construction and included bushings are tested for durability and fitment accuracy. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.

BrandDorman
Part Number43-1183
MaterialAcero
MaterialSteel
Bushing ColorBlack
Bushing ColorNegro
Bushing ColorNoir
ColorBlack
ColorNegro
ColorNoir
Load Rate1131
Suspension Grade TypeReemplazo estándar
Suspension Grade TypeStandard
Leaf Quantity1
Leaf Quantity1 ensamble de manguera del calentador
Leaf Width3
Axle OrientationArrière
Axle OrientationRear
Axle OrientationTrasero
Helper SpringNo
Helper SpringNon
Axle Modification NeededNo
Axle Modification NeededNon
Bushings IncludedOui
Bushings Included
Bushings IncludedYes
Mounting Hardware IncludedNo
Mounting Hardware IncludedNon
Length Axis 125.688
Length Axis 225.688
Pack Thickness1.793
Leaf Spring Arch Length4.625

This part fits 22 vehicles. Search below:

YearMakeModelPositionNotes
2002FordExplorer SportRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
2001FordExplorerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
2001FordExplorer SportRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
2001MercuryMountaineerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
2000FordExplorerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
2000MercuryMountaineerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1999FordExplorerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1999MercuryMountaineerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1998FordExplorerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1998MercuryMountaineerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1997FordExplorerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1997MercuryMountaineerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1996FordExplorerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1995FordExplorerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1994FordExplorerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1994MazdaNavajoRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1993FordExplorerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1993MazdaNavajoRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1992FordExplorerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1992MazdaNavajoRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1991FordExplorerRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity
1991MazdaNavajoRearReplace In Pairs; 1 Leaf / 3 Pads; Full Taper; 1.8125 In. Pack Thickness; 1,131 Lb. Average Capacity

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

43-1183DAYF57A5560LCF57ALCF57Z5560LCY4245560LCY424LC

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.