Dorman 929-128 Suspension - Leaf Spring
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Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$0.00
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Product Description
Properly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application.
- Direct replacement - these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
- Ideal solution - seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
- Durable construction - made from quality materials to strict specifications to ensure reliable performance and long service life
- Trustworthy quality - engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2018 | Chevrolet | Silverado 1500 | 78.8 Inch BedLength; Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2018 | Chevrolet | Silverado 1500 | 78.8 Inch BedLength; Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2018 | Chevrolet | Silverado 1500 | 97.8 Inch BedLength; Standard Cab Pickup | Rear | w/RPO Code ZW9 (Base Body/Chassis) |
| 2018 | GMC | Sierra 1500 | 78.8 Inch BedLength; Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2018 | GMC | Sierra 1500 | 78.8 Inch BedLength; Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2018 | GMC | Sierra 1500 | 97.8 Inch BedLength; Standard Cab Pickup | Rear | w/RPO Code ZW9 (Base Body/Chassis) |
| 2017 | Chevrolet | Silverado 1500 | 78.9 Inch BedLength; Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2017 | Chevrolet | Silverado 1500 | 78.9 Inch BedLength; Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2017 | Chevrolet | Silverado 1500 | 97.8 Inch BedLength; Standard Cab Pickup | Rear | w/RPO Code ZW9 (Base Body/Chassis) |
| 2017 | GMC | Sierra 1500 | 78.9 Inch BedLength; Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2017 | GMC | Sierra 1500 | 78.9 Inch BedLength; Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2017 | GMC | Sierra 1500 | 97.8 Inch BedLength; Standard Cab Pickup | Rear | w/RPO Code ZW9 (Base Body/Chassis) |
| 2016 | Chevrolet | Silverado 1500 | 78.9 Inch BedLength; Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2016 | Chevrolet | Silverado 1500 | 78.9 Inch BedLength; Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2016 | Chevrolet | Silverado 1500 | 97.8 Inch BedLength; Standard Cab Pickup | Rear | w/RPO Code ZW9 (Base Body/Chassis) |
| 2016 | GMC | Sierra 1500 | 78.9 Inch BedLength; Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2016 | GMC | Sierra 1500 | 78.9 Inch BedLength; Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2016 | GMC | Sierra 1500 | 97.8 Inch BedLength; Standard Cab Pickup | Rear | w/RPO Code ZW9 (Base Body/Chassis) |
| 2015 | Chevrolet | Silverado 1500 | 78.9 Inch BedLength; Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2015 | Chevrolet | Silverado 1500 | 78.9 Inch BedLength; Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2015 | Chevrolet | Silverado 1500 | 97.8 Inch BedLength; Standard Cab Pickup | Rear | w/RPO Code ZW9 (Base Body/Chassis) |
| 2015 | GMC | Sierra 1500 | 78.9 Inch BedLength; Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2015 | GMC | Sierra 1500 | 78.9 Inch BedLength; Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2015 | GMC | Sierra 1500 | 97.8 Inch BedLength; Standard Cab Pickup | Rear | w/RPO Code ZW9 (Base Body/Chassis) |
| 2013 | Chevrolet | Silverado 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2013 | Chevrolet | Silverado 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2013 | GMC | Sierra 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2013 | GMC | Sierra 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2012 | Chevrolet | Silverado 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2012 | Chevrolet | Silverado 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2012 | GMC | Sierra 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2012 | GMC | Sierra 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2011 | Chevrolet | Silverado 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2011 | Chevrolet | Silverado 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2011 | GMC | Sierra 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2011 | GMC | Sierra 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2010 | Chevrolet | Silverado 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2010 | Chevrolet | Silverado 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2010 | GMC | Sierra 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2010 | GMC | Sierra 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2009 | Chevrolet | Silverado 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2009 | Chevrolet | Silverado 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2009 | GMC | Sierra 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2009 | GMC | Sierra 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2008 | Chevrolet | Silverado 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2008 | Chevrolet | Silverado 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2008 | GMC | Sierra 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2008 | GMC | Sierra 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2007 | Chevrolet | Silverado 1500 | Crew Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
| 2007 | Chevrolet | Silverado 1500 | Extended Cab Pickup | Rear | w/RPO Code NHT (Enhanced Towing Package) |
Product Specifications
| Axle Modification Needed: | No |
|---|---|
| Axle Orientation: | Front |
| Bushing Color: | Black |
| Bushings Included: | Yes |
| Color: | Black |
| End 1 Attachment Type: | Berlin Eye |
| End 2 Attachment Type: | Berlin Eye |
| Helper Spring: | No |
| Leaf Quantity: | 3 |
| Leaf Spring Arch Length: | 7.5 in |
| Leaf Width: | 2.5 in |
| Length Axis 1: | 32 in |
| Length Axis 2: | 32 in |
| Load Rate: | 1900 lb |
| Material: | Steel |
| Mounting Hardware Included: | No |
| Pack Thickness: | 1.85 in |
| Package Contents: | 1 Leaf Spring |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Spring Research Institute Number: | 22-1567 |
| Suspension Grade Type: | Standard |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 15895991 | GENERAL MOTORS |
| 20840011 | GENERAL MOTORS |
| 20870051 | GENERAL MOTORS |
| 22787764 | GENERAL MOTORS |
| 23401108 | GENERAL MOTORS |
| 25823546 | GENERAL MOTORS |
| 25841516 | GENERAL MOTORS |
| 25976356 | GENERAL MOTORS |