HomeSuspension > Suspension, Springs and Related ComponentsDorman 43-1289 Leaf Spring Assembly - Rear
Part #: 43-1289

Dorman 43-1289 Leaf Spring Assembly - Rear

Rear
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Durable Dorman Leaf Spring Assembly for Rear Suspension

The Dorman 43-1289 leaf spring assembly is engineered to provide reliable rear suspension support for compatible vehicles. Constructed from high-quality steel with a black finish, this assembly is designed to restore proper ride height and handling characteristics.

  • Made from durable steel material for long-lasting performance
  • Includes black bushings for smooth operation and noise reduction
  • Standard replacement suspension grade for reliable support
  • Consists of 10 leaves with a 3-inch width for balanced load distribution
  • Designed for rear axle orientation with no axle modification required
  • Load rate of 5900 lbs suitable for standard vehicle applications
  • Leaf spring arch length of 5.125 inches and pack thickness of 4.36 inches

Technical Details and Construction

The Dorman 43-1289 leaf spring assembly is crafted from steel, ensuring strength and resistance to wear under typical driving conditions. The black bushings included help reduce vibration and provide a quieter ride. This assembly features 10 leaves, each 3 inches wide, arranged to deliver a load rate of 5900 pounds, making it suitable for standard replacement needs on rear suspension systems. The leaf spring arch length measures 5.125 inches, contributing to proper suspension geometry and vehicle stability. No axle modifications are necessary for installation, simplifying the replacement process.

Compatible Vehicles and Applications

This leaf spring assembly is designed for rear suspension systems on various makes and models requiring a standard replacement part. It is ideal for vehicles experiencing issues such as:

  • Sagging or lowered rear suspension height
  • Uneven or rough ride quality
  • Excessive rear axle movement or instability
  • Worn or damaged leaf springs causing noise or handling problems
  • Need for restoring original suspension load capacity

Installation Notes and Tips

Installation of the Dorman 43-1289 leaf spring assembly requires standard suspension tools and procedures. Since no axle modification is needed, the assembly can be installed directly onto the rear axle mounts. It is important to ensure that the bushings are properly seated and that all mounting points are securely fastened. Professional installation is recommended to maintain suspension alignment and vehicle safety.

Quality Assurance and Warranty

Dorman manufactures this leaf spring assembly to meet or exceed OEM specifications, providing a dependable replacement option. The steel construction and included bushings contribute to the product's durability and performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.

BrandDorman
Part Number43-1289
MaterialAcero
MaterialSteel
Bushing ColorBlack
Bushing ColorNegro
Bushing ColorNoir
ColorBlack
ColorNegro
ColorNoir
Load Rate5900
Suspension Grade TypeReemplazo estándar
Suspension Grade TypeStandard
Leaf Quantity10
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
Length Axis 225
Pack Thickness4.36
Leaf Spring Arch Length5.125
Spring Research Institute Number43-1289

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

043-1289-00R1C3Z5560BB43-127543-128943-1289DAY43-1289HUS43-140343-140543-145343-145543-148343-148543-164143-1643F81ABDF81Z5560BB

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