HomeSuspension > Suspension, Springs and Related ComponentsDorman 43-1799 Leaf Spring Assembly - Rear
Part #: 43-1799

Dorman 43-1799 Leaf Spring Assembly - Rear

Rear
14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, E-250 and E-350 Super Duty
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Durable Leaf Spring Assembly for Ford E-250 and E-350 Super Duty

The Dorman 43-1799 leaf spring assembly is engineered to restore the rear suspension performance of your Ford E-250 or E-350 Super Duty. Constructed from high-quality steel with black bushings, this replacement spring pack offers reliable support and consistent load handling for your vehicle.

  • Material: Heavy-duty steel construction for strength and durability
  • Color: Black finish with black bushings for corrosion resistance
  • Leaf Quantity: 9 leaves providing balanced suspension support
  • Load Rate: 3600 lbs suitable for standard suspension replacement
  • Axle Orientation: Designed specifically for rear axle installation
  • Bushings Included: Yes, pre-installed black bushings for smooth operation
  • Dimensions: 23.875 inches length axis, 3 inches leaf width, 3.796 inches pack thickness
  • Spring Arch Length: 1.875 inches for proper suspension geometry
  • No axle modification or helper spring required

Product Details and Specifications

The Dorman 43-1799 leaf spring assembly is a standard replacement suspension component designed to match the original equipment specifications for Ford E-250 and E-350 Super Duty models. Made from robust steel, this leaf spring pack features nine leaves that work together to provide consistent load distribution and maintain vehicle stability. The black finish and bushings help resist corrosion and wear, extending the service life of the suspension system. This assembly is intended for rear axle installation and does not require any axle modifications or additional helper springs, simplifying the replacement process.

Common Applications and Problem Resolution

  • Restores proper ride height and suspension support on Ford E-250 and E-350 Super Duty rear axles
  • Replaces worn or broken leaf springs causing sagging or uneven vehicle stance
  • Eliminates excessive rear-end bounce and improves load handling capacity
  • Addresses noisy or stiff suspension due to damaged bushings
  • Corrects alignment issues related to leaf spring wear or failure

Installation Notes and Tips

Installation of the Dorman 43-1799 leaf spring assembly requires standard suspension tools and mechanical knowledge. Since mounting hardware is not included, ensure you have the appropriate bolts and fasteners before beginning the replacement. No axle modifications are necessary, which allows for a straightforward swap with the original leaf spring pack. It is recommended to inspect related suspension components such as shackles and U-bolts during installation and replace them if worn.

Quality Assurance and Warranty

Dorman manufactures this leaf spring assembly to meet or exceed OEM standards for durability and performance. The steel construction and corrosion-resistant finish contribute to long-lasting service life. 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 Number43-1799
MaterialAcero
MaterialSteel
Bushing ColorBlack
Bushing ColorNegro
Bushing ColorNoir
ColorBlack
ColorNegro
ColorNoir
Load Rate3600
Suspension Grade TypeReemplazo estándar
Suspension Grade TypeStandard
Leaf Quantity9
Leaf Width3
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 123.875
Length Axis 223.875
Pack Thickness3.796
Leaf Spring Arch Length1.875
Spring Research Institute Number43-1799

This part fits 14 vehicles. Search below:

YearMakeModelPositionNotes
2016FordE-350 Super DutyRear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2015FordE-350 Super DutyRear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2014FordE-250Rear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2014FordE-350 Super DutyRear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2013FordE-250Rear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2013FordE-350 Super DutyRear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2012FordE-250Rear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2012FordE-350 Super DutyRear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2011FordE-250Rear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2011FordE-350 Super DutyRear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2010FordE-250Rear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2010FordE-350 Super DutyRear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2009FordE-250Rear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity
2009FordE-350 Super DutyRear9 Leaf; 3.8125 In. Pack Thickness; 1/2 In. Diameter Center Bolt; 3,600 Lb. Average Capacity

* 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:

043-1799-0043-1799DAY43-20078C245560VE8C245560VF8C24VE8C24VF8C2Z5560VE

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