HomeSuspension > Suspension, Springs and Related ComponentsDorman 22-1289HD Leaf Spring Assembly - Rear
Part #: 22-1289HD

Dorman 22-1289HD Leaf Spring Assembly - Rear

Rear
⚙️ 44 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Sierra 2500, Sierra 2500 HD, Sierra 3500, Sierra 3500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, and Silverado 3500 HD
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Durable Leaf Spring Assembly for Heavy-Duty Suspension

The Dorman 22-1289HD leaf spring assembly is engineered to provide reliable rear suspension support for Chevrolet and GMC heavy-duty trucks. Designed with high-quality steel and a heavy-duty load rate, this leaf spring assembly ensures consistent performance under demanding conditions.

  • Constructed from durable steel material for strength and longevity
  • Heavy-duty suspension grade with a 3200 lb load rate
  • Single leaf design with a 2.5-inch width for precise fitment
  • Black finish with black bushings included for corrosion resistance
  • Compatible with rear axle orientation on select Chevrolet and GMC trucks

Product Details and Specifications

The Dorman 22-1289HD leaf spring assembly features a 32-inch length and a 6.5-inch arch length, providing the necessary support and flexibility for heavy-duty applications. This assembly includes black bushings to reduce noise and vibration, enhancing ride quality. It is designed specifically for rear axle installation and does not require axle modification, simplifying the replacement process. The pack thickness measures 3.234 inches, ensuring proper suspension geometry and load distribution.

Compatible Vehicles and Applications

This leaf spring assembly is compatible with the following models:

  • Chevrolet Sierra 2500 and 2500 HD
  • Chevrolet Sierra 3500 and 3500 HD
  • Chevrolet Silverado 2500 and 2500 HD
  • Chevrolet Silverado 3500 and 3500 HD
  • GMC Sierra 2500 and 2500 HD
  • GMC Sierra 3500 and 3500 HD

Common Suspension Issues Addressed

  • Sagging or worn leaf springs causing uneven ride height
  • Reduced load carrying capacity affecting vehicle stability
  • Excessive noise or vibration from deteriorated bushings
  • Poor handling due to weakened suspension components
  • Rear axle misalignment or suspension sag under heavy loads

Installation Notes and Tips

The Dorman 22-1289HD leaf spring assembly is designed for direct replacement without the need for axle modification. Ensure the vehicle is properly supported and the rear axle is securely positioned before beginning installation. Since mounting hardware is not included, reuse existing hardware if in good condition or source appropriate replacements. Proper torque specifications should be followed to maintain suspension integrity and safety.

Quality Assurance and Warranty

Dorman manufactures this leaf spring assembly to meet or exceed OEM standards, using high-grade steel and quality bushings for durability. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.

BrandDorman
Part Number22-1289HD
MaterialAcero
MaterialSteel
Bushing ColorBlack
Bushing ColorNegro
Bushing ColorNoir
ColorBlack
ColorNegro
ColorNoir
Load Rate3200
Suspension Grade TypeHeavy duty
Suspension Grade TypePara uso pesado
Leaf Quantity1
Leaf Quantity1 ensamble de manguera del calentador
Leaf Width2.5
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 132
Length Axis 232
Pack Thickness3.234
Leaf Spring Arch Length6.5

This part fits 44 vehicles. Search below:

YearMakeModelPositionNotes
2010ChevroletSilverado 2500 HDRearHeavy Duty Aftermarket Design
2010ChevroletSilverado 3500 HDRearHeavy Duty Aftermarket Design
2010GMCSierra 2500 HDRearHeavy Duty Aftermarket Design
2010GMCSierra 3500 HDRearHeavy Duty Aftermarket Design
2009ChevroletSilverado 2500 HDRearHeavy Duty Aftermarket Design
2009ChevroletSilverado 3500 HDRearHeavy Duty Aftermarket Design
2009GMCSierra 2500 HDRearHeavy Duty Aftermarket Design
2009GMCSierra 3500 HDRearHeavy Duty Aftermarket Design
2008ChevroletSilverado 2500 HDRearHeavy Duty Aftermarket Design
2008ChevroletSilverado 3500 HDRearHeavy Duty Aftermarket Design
2008GMCSierra 2500 HDRearHeavy Duty Aftermarket Design
2008GMCSierra 3500 HDRearHeavy Duty Aftermarket Design
2007ChevroletSilverado 2500 HDRearHeavy Duty Aftermarket Design
2007ChevroletSilverado 3500 HDRearHeavy Duty Aftermarket Design
2007GMCSierra 2500 HDRearHeavy Duty Aftermarket Design
2007GMCSierra 3500 HDRearHeavy Duty Aftermarket Design
2006ChevroletSilverado 2500RearHeavy Duty Aftermarket Design
2006ChevroletSilverado 3500RearHeavy Duty Aftermarket Design
2006GMCSierra 2500 HDRearHeavy Duty Aftermarket Design
2006GMCSierra 3500RearHeavy Duty Aftermarket Design
2005ChevroletSilverado 2500RearHeavy Duty Aftermarket Design
2005ChevroletSilverado 3500RearHeavy Duty Aftermarket Design
2005GMCSierra 2500 HDRearHeavy Duty Aftermarket Design
2005GMCSierra 3500RearHeavy Duty Aftermarket Design
2004ChevroletSilverado 2500RearHeavy Duty Aftermarket Design
2004ChevroletSilverado 3500RearHeavy Duty Aftermarket Design
2004GMCSierra 2500RearHeavy Duty Aftermarket Design
2004GMCSierra 3500RearHeavy Duty Aftermarket Design
2003ChevroletSilverado 2500RearHeavy Duty Aftermarket Design
2003ChevroletSilverado 3500RearHeavy Duty Aftermarket Design
2003GMCSierra 2500RearHeavy Duty Aftermarket Design
2003GMCSierra 3500RearHeavy Duty Aftermarket Design
2002ChevroletSilverado 2500RearHeavy Duty Aftermarket Design
2002ChevroletSilverado 3500RearHeavy Duty Aftermarket Design
2002GMCSierra 2500RearHeavy Duty Aftermarket Design
2002GMCSierra 3500RearHeavy Duty Aftermarket Design
2001ChevroletSilverado 2500RearHeavy Duty Aftermarket Design
2001ChevroletSilverado 3500RearHeavy Duty Aftermarket Design
2001GMCSierra 2500RearHeavy Duty Aftermarket Design
2001GMCSierra 3500RearHeavy Duty Aftermarket Design
2000ChevroletSilverado 2500RearHeavy Duty Aftermarket Design
2000GMCSierra 2500RearHeavy Duty Aftermarket Design
1999ChevroletSilverado 2500RearHeavy Duty Aftermarket Design
1999GMCSierra 2500RearHeavy Duty Aftermarket Design

* 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:

022-1289-00HD22-1289HD22-1289HDDAY46066

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