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Dorman 34-1647HD Leaf Spring Assembly - Rear
Durable Leaf Spring Assembly for Dodge Ram 2500 and 3500
The Dorman 34-1647HD leaf spring assembly is engineered to provide reliable suspension support for Dodge Ram 2500 and Ram 3500 trucks. Designed for heavy-duty applications, this steel leaf spring assembly helps maintain vehicle stability and load capacity under demanding conditions.
- Constructed from high-quality steel for strength and durability
- Heavy-duty suspension grade with a 3500 lb load rate
- Includes five leaves with a 3-inch width for balanced support
- Black bushings included for smooth axle articulation
- Rear axle orientation designed specifically for Dodge Ram 2500 and 3500 models
- No axle modification required for installation
- Leaf spring arch length of 6.25 inches and pack thickness of 3.377 inches
Technical Details and Specifications
The Dorman 34-1647HD leaf spring assembly is made from durable steel, ensuring long-lasting performance in heavy-duty suspension systems. Featuring five leaves each 3 inches wide, this assembly provides a balanced load distribution and improved ride quality. The black bushings included help reduce friction and wear between the spring and axle, contributing to smoother suspension movement. With a load rate of 3500 pounds, this leaf spring assembly is suitable for demanding applications on Dodge Ram 2500 and Ram 3500 trucks. The rear axle orientation matches factory specifications, allowing for direct replacement without axle modifications.
Common Applications and Problem Solving
- Restores sagging or worn-out rear suspension on Dodge Ram 2500 and 3500
- Improves load carrying capacity for heavy-duty hauling and towing
- Reduces excessive vehicle bounce and improves ride stability
- Replaces broken or cracked leaf springs to maintain proper axle alignment
- Addresses uneven tire wear caused by faulty suspension components
Installation Notes and Tips
This leaf spring assembly is designed for direct fitment on the rear axle of Dodge Ram 2500 and Ram 3500 trucks without requiring axle modifications. While bushings are included, mounting hardware is not provided and should be sourced separately. Proper torque specifications should be followed during installation to ensure safety and performance. It is recommended to inspect related suspension components such as shackles and U-bolts during replacement.
Quality Assurance and Warranty
Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for durability and performance. The steel construction and heavy-duty design provide reliable service life under demanding conditions. Please refer to Dorman's warranty policy for specific coverage details related to this part number 34-1647HD.
| Brand | Dorman |
|---|---|
| Part Number | 34-1647HD |
| Material | Acero |
| Material | Steel |
| Bushing Color | Black |
| Bushing Color | Negro |
| Bushing Color | Noir |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Load Rate | 3500 |
| Suspension Grade Type | Heavy duty |
| Suspension Grade Type | Para uso pesado |
| Leaf Quantity | 5 |
| Leaf Width | 3 |
| Axle Orientation | Arrière |
| Axle Orientation | Rear |
| Axle Orientation | Trasero |
| Helper Spring | No |
| Helper Spring | Non |
| Axle Modification Needed | No |
| Axle Modification Needed | Non |
| Bushings Included | Oui |
| Bushings Included | Sí |
| Bushings Included | Yes |
| Mounting Hardware Included | No |
| Mounting Hardware Included | Non |
| Length Axis 1 | 30.5 |
| Length Axis 2 | 30.5 |
| Pack Thickness | 3.377 |
| Leaf Spring Arch Length | 6.25 |
| Spring Research Institute Number | 34-1647hd |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | Ram | 2500 | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design | |
| 2013 | Ram | 3500 | Standard Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design |
| 2013 | Ram | 3500 | Crew Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design |
| 2013 | Ram | 3500 | Extended Crew Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design |
| 2012 | Ram | 2500 | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design | |
| 2012 | Ram | 3500 | Standard Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design |
| 2012 | Ram | 3500 | Crew Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design |
| 2012 | Ram | 3500 | Extended Crew Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design |
| 2011 | Ram | 2500 | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design | |
| 2011 | Ram | 3500 | Standard Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design |
| 2011 | Ram | 3500 | Crew Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design |
| 2011 | Ram | 3500 | Extended Crew Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design |
| 2010 | Dodge | Ram 2500 | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design | |
| 2010 | Dodge | Ram 3500 | Standard Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design |
| 2010 | Dodge | Ram 3500 | Crew Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy Duty Aftermarket Design |
| 2010 | Dodge | Ram 3500 | Extended Crew Cab Pickup | 4WD | Rear | 4 Leaf / 1 Leaf / 1 Pad; 3.8125 In. Pack Thickness; 3,500 Lb. Average Capacity; Heavy 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.