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Dorman 22-1305 Leaf Helper Spring - Rear
Durable Leaf Helper Spring for Chevrolet and GMC Trucks
The Dorman 22-1305 leaf helper spring is engineered to provide additional support and load capacity for heavy-duty trucks. Designed specifically for Chevrolet Silverado 3500 and GMC Sierra 3500 models, this steel helper spring enhances suspension performance under demanding conditions.
- Constructed from high-strength steel (acero) for durability
- Measures 48 inches in length, 2.5 inches in width, and 2.125 inches in thickness
- Black finish for corrosion resistance and long service life
- Increases leaf spring load capacity by 1650 lbs
- Compatible with Chevrolet Silverado 3500 and GMC Sierra 3500 trucks
- Part number 22-1305 for precise identification
Product Details and Specifications
The Dorman 22-1305 leaf helper spring is designed to reinforce the existing suspension leaf springs on select heavy-duty trucks. Made from robust steel material, this component measures 48 inches long, 2.5 inches wide, and 2.125 inches thick, providing a substantial increase in load-bearing strength. The black finish helps protect against rust and environmental wear, ensuring reliable performance over time. This helper spring is engineered to increase the load rating by 1650 pounds, making it suitable for trucks that frequently carry heavy payloads or tow substantial trailers.
Compatible Vehicles and Applications
- Chevrolet Silverado 3500
- GMC Sierra 3500
This leaf helper spring is ideal for owners of Chevrolet Silverado 3500 and GMC Sierra 3500 trucks who require enhanced suspension support for heavy loads or towing. It helps maintain vehicle stability and ride height when carrying additional weight.
Common Suspension Issues Addressed
- Reduced sagging under heavy loads
- Improved load distribution and suspension support
- Enhanced vehicle stability during towing
- Minimized bottoming out of the suspension
- Extended lifespan of primary leaf springs
Installation Notes and Tips
Installation of the Dorman 22-1305 leaf helper spring requires proper alignment with the existing leaf spring pack. Ensure the vehicle is safely supported before beginning work. This product does not include mounting hardware, so verify compatibility with your current suspension components. Professional installation is recommended to guarantee correct fitment and performance.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for quality and durability. While specific warranty details for part number 22-1305 should be confirmed at the time of purchase, Dorman typically offers limited warranties covering defects in material and workmanship to provide confidence in product reliability.
| Brand | Dorman |
|---|---|
| Part Number | 22-1305 |
| Material | Acero |
| Material | Steel |
| Length | 48 |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Thickness | 2.125 |
| Leaf Spring Load Increase Strength | 1650 |
| Maximum Load Rating | 1650 |
| Width | 2.5 |
| Mounting Hardware Included | No |
| Mounting Hardware Included | Non |
| Contenidos del paquete | 1 hoja de muelle |
| Package Contents | 1 leaf spring |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Chevrolet | Silverado 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
| 2006 | GMC | Sierra 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
| 2005 | Chevrolet | Silverado 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
| 2005 | GMC | Sierra 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
| 2004 | Chevrolet | Silverado 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
| 2004 | GMC | Sierra 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
| 2003 | Chevrolet | Silverado 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
| 2003 | GMC | Sierra 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
| 2002 | Chevrolet | Silverado 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
| 2002 | GMC | Sierra 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
| 2001 | Chevrolet | Silverado 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
| 2001 | GMC | Sierra 3500 | Rear | 4 Leaf; 2.125 In. Pack Thickness; 1,650 Lb. Per Leaf Rating |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.