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Dorman 43-731 Leaf Helper Spring - Rear
Durable Leaf Helper Spring for Ford F-350 Suspension
The Dorman 43-731 leaf helper spring is engineered to enhance the load-carrying capacity of your Ford F-350. Constructed from high-quality steel, this suspension component provides reliable support and improved stability under heavy loads.
- Made from durable steel material for strength and longevity
- Measures 41.5 inches in length with a 2.25-inch width
- Thickness of 1.188 inches for optimal load support
- Increases leaf spring load capacity by 800 lbs
- Finished in black for corrosion resistance
- Compatible specifically with Ford F-350 models
- Part number 43-731 for precise identification
Product Details and Specifications
The Dorman 43-731 leaf helper spring is designed to provide additional support to the existing leaf springs on your Ford F-350. Made from robust steel, it measures 41.5 inches in length and 2.25 inches in width, with a thickness of 1.188 inches. This helper spring increases the load rating by 800 pounds, helping to maintain vehicle stability and ride quality when carrying heavy loads or towing. The black finish offers protection against rust and environmental wear, ensuring durability over time. This part is sold as a single leaf spring and does not include mounting hardware.
Common Applications and Problem Solving
- Helps prevent sagging under heavy payloads
- Improves rear suspension stability during towing
- Reduces excessive leaf spring flex and wear
- Enhances vehicle handling with added load support
- Addresses uneven ride height caused by overloaded springs
Installation Notes and Tips
Installation of the Dorman 43-731 leaf helper spring requires basic suspension knowledge and appropriate tools. Since mounting hardware is not included, ensure you have compatible bolts and brackets for your Ford F-350. It is recommended to inspect existing leaf springs and suspension components for wear before installation. Proper alignment and torque specifications should be followed to maintain safety and performance.
Quality Assurance and Warranty
Dorman manufactures this leaf helper spring to meet or exceed OEM standards for fit and function on Ford F-350 models. The steel construction and protective black finish contribute to long-lasting performance. Please refer to Dorman's warranty policy for specific coverage details related to this part number 43-731.
| Brand | Dorman |
|---|---|
| Part Number | 43-731 |
| Material | Acero |
| Material | Steel |
| Length | 41.5 |
| Color | Black |
| Color | Negro |
| Color | Noir |
| Thickness | 1.188 |
| Leaf Spring Load Increase Strength | 800 |
| Maximum Load Rating | 800 |
| Width | 2.25 |
| Mounting Hardware Included | No |
| Mounting Hardware Included | Non |
| Contenidos del paquete | 1 hoja de muelle |
| Package Contents | 1 leaf spring |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 1997 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1996 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1995 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1994 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1993 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1992 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1991 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1990 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1989 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1988 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1987 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1986 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1985 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1984 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1983 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1982 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1981 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
| 1980 | Ford | F-350 | Cab & Chassis | Rear | 4 Leaf; 3.75 In. Free Arch; 1.1875 In. Pack Thickness; 800 Lb. Average Capacity; w/Dual Rear Wheels (DRW) |
* 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.