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Dorman 43-1687 Leaf Helper Spring - RearOE Quality 60-Day Returns
Part #: 43-1687

Dorman 43-1687 Leaf Helper Spring - Rear

Rear
36 vehicles fit this part
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Fitment: Ford, F-250 Super Duty and F-350 Super Duty
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Reliable Leaf Helper Spring for Ford F-250 and F-350 Super Duty

The Dorman 43-1687 leaf helper spring is engineered to provide additional support and improve load handling for Ford F-250 Super Duty and F-350 Super Duty trucks. Constructed from durable steel, this black leaf spring enhances suspension strength and stability under heavy loads.

Key Features of Dorman 43-1687 Leaf Helper Spring

  • Material: High-quality steel (acero) for durability and strength
  • Length: 41.625 inches for precise fitment
  • Thickness: 0.473 inches ensuring robust support
  • Width: 3 inches for optimal load distribution
  • Load Increase Strength: 450 lbs to enhance suspension capacity
  • Color: Black finish for corrosion resistance and longevity
  • Package includes one leaf spring (mounting hardware not included)

Detailed Description

The Dorman 43-1687 leaf helper spring is designed specifically for Ford F-250 Super Duty and F-350 Super Duty models, providing an effective solution to improve rear suspension performance. Made from steel, this helper spring adds an additional 450 lbs of load capacity, helping to maintain vehicle stability and ride quality when carrying heavy payloads or towing. Its precise dimensions—41.625 inches in length, 3 inches in width, and 0.473 inches in thickness—ensure a proper fit and reliable performance. The black finish offers protection against rust and wear, extending the service life of the component.

Common Applications and Problem Solving

  • Supports sagging rear suspension under heavy loads
  • Improves vehicle handling and stability when towing
  • Reduces excessive rear-end bounce and sway
  • Enhances load carrying capacity for work or hauling
  • Restores proper ride height and suspension geometry

Installation Notes and Tips

Installation of the Dorman 43-1687 leaf helper spring requires appropriate tools and mechanical knowledge. Note that mounting hardware is not included and must be sourced separately. It is recommended to inspect existing suspension components for wear or damage before installation. Proper alignment and torque specifications should be followed to ensure safe and effective operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 43-1687 are not provided here, Dorman typically offers limited warranties on their suspension components. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part Number43-1687
MaterialAcero
MaterialSteel
Length41.625
ColorBlack
ColorNegro
ColorNoir
Thickness0.473
Leaf Spring Load Increase Strength450
Maximum Load Rating450
Width3
Mounting Hardware IncludedNo
Mounting Hardware IncludedNon
Contenidos del paquete1 hoja de muelle
Package Contents1 leaf spring

This part fits 36 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2016FordF-250 Super DutyRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity
2016FordF-350 Super DutyStandard Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2016FordF-350 Super DutyExtended Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2016FordF-350 Super DutyCrew Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2015FordF-250 Super DutyRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity
2015FordF-350 Super DutyStandard Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2015FordF-350 Super DutyExtended Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2015FordF-350 Super DutyCrew Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2014FordF-250 Super DutyRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity
2014FordF-350 Super DutyStandard Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2014FordF-350 Super DutyExtended Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2014FordF-350 Super DutyCrew Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2013FordF-250 Super DutyRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity
2013FordF-350 Super DutyStandard Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2013FordF-350 Super DutyExtended Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2013FordF-350 Super DutyCrew Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2012FordF-250 Super DutyRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity
2012FordF-350 Super DutyStandard Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2012FordF-350 Super DutyExtended Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2012FordF-350 Super DutyCrew Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2011FordF-250 Super DutyRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity
2011FordF-350 Super DutyStandard Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2011FordF-350 Super DutyExtended Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2011FordF-350 Super DutyCrew Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 3.25 In. Free Arch; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2010FordF-250 Super DutyRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity
2010FordF-350 Super DutyStandard Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2010FordF-350 Super DutyExtended Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2010FordF-350 Super DutyCrew Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2009FordF-250 Super DutyRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity
2009FordF-350 Super DutyStandard Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2009FordF-350 Super DutyExtended Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2009FordF-350 Super DutyCrew Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2008FordF-250 Super DutyRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity
2008FordF-350 Super DutyStandard Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2008FordF-350 Super DutyExtended Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)
2008FordF-350 Super DutyCrew Cab PickupRear1 Leaf; Full Taper; 1/2 In. Leaf Thickness; 450 Lb. Average Capacity; w/Single Rear Wheel (SRW)

* 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:

043-1687-0043-1687DAY43-1903

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