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Dorman 43-1681HD Leaf Spring Assembly - RearOE Quality 60-Day Returns
Part #: 43-1681HD

Dorman 43-1681HD Leaf Spring Assembly - Rear

Rear
36 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, F-250 Super Duty and F-350 Super Duty
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Dorman 43-1681HD Rear Leaf Spring Assembly

Dorman 43-1681HD is a heavy-duty rear leaf spring assembly built for Ford Super Duty trucks that need stable load support and consistent suspension performance. It is a steel leaf spring with a black finish, upturned eye ends, and included bushings for a direct replacement-style repair.

Key Features

  • Steel construction for rear suspension service
  • Heavy-duty suspension grade with a 4,400 lb. average capacity
  • Leaf spring arch length: 5.75 in.
  • Pack thickness: 3.234 in.
  • Leaf width: 3 in.
  • Upturned eye attachment at both ends
  • Black bushings included
  • Rear axle orientation

Fitment and Application

Compatible with 2008-2010 Ford F-250 Super Duty, rear, and 2008-2010 Ford F-350 Super Duty, rear. Also fits 2011-2016 Ford F-250 Super Duty, rear, and 2011-2016 Ford F-350 Super Duty, rear. This part number is 43-1681HD, and it cross-references Dorman OE Solutions 43-1681HD for the same application.

Detailed Description

This rear leaf spring assembly is designed for Ford F-250 Super Duty and Ford F-350 Super Duty trucks that use a heavy-duty rear suspension setup. The steel spring construction, 3-inch width, and 4,400 lb. average capacity support the vehicle’s rear load-carrying function while helping maintain suspension geometry and ride control. The assembly uses upturned eye ends and includes bushings, which simplifies replacement of a worn rear spring on the specified Super Duty applications. The part number 43-1681HD is listed for 2008-2016 Ford Super Duty rear applications, including 2011-2016 Ford F-250 Super Duty and F-350 Super Duty models.

Common Repair Uses

  • Sagging rear ride height
  • Reduced rear load support
  • Worn or fatigued leaf spring pack
  • Rear suspension noise from deteriorated spring components
  • Uneven rear stance under payload

Installation Notes and Tips

Review the vehicle’s existing spring pack thickness, leaf count configuration, and rear suspension layout before ordering. Fitment notes call for reusing the U-bolt on certain 2011-2016 applications. Confirm rear axle orientation and end attachment style before installation. The part number 43-1681HD should be matched to the vehicle’s exact Super Duty configuration for proper fit.

Quality Assurance

Dorman OE Solutions parts are built as replacement components for specific vehicle applications, with fitment data provided for the listed Ford F-250 Super Duty and Ford F-350 Super Duty rear models.

BrandDorman
Part Number43-1681HD
MaterialAcero
MaterialSteel
Bushing ColorBlack
Bushing ColorNegro
Bushing ColorNoir
ColorBlack
ColorNegro
ColorNoir
Load Rate4400
Suspension Grade TypeHeavy duty
Suspension Grade TypePara uso pesado
Leaf Quantity1
Leaf Quantity1 ensamble de manguera del calentador
Leaf Width3
Axle OrientationArrière
Axle OrientationRear
Axle OrientationTrasero
Helper SpringNo
Helper SpringNon
Axle Modification NeededNo
Axle Modification NeededNon
Bushings IncludedOui
Bushings IncludedSí
Bushings IncludedYes
Mounting Hardware IncludedNo
Mounting Hardware IncludedNon
Length Axis 133.188
Length Axis 233.188
Pack Thickness3.234
Leaf Spring Arch Length5.75

This part fits 36 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2016FordF-250 Super DutyRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2016FordF-350 Super DutyStandard Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2016FordF-350 Super DutyExtended Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2016FordF-350 Super DutyCrew Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2015FordF-250 Super DutyRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2015FordF-350 Super DutyStandard Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2015FordF-350 Super DutyExtended Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2015FordF-350 Super DutyCrew Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2014FordF-250 Super DutyRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2014FordF-350 Super DutyStandard Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2014FordF-350 Super DutyExtended Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2014FordF-350 Super DutyCrew Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2013FordF-250 Super DutyRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2013FordF-350 Super DutyStandard Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2013FordF-350 Super DutyExtended Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2013FordF-350 Super DutyCrew Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2012FordF-250 Super DutyRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2012FordF-350 Super DutyStandard Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2012FordF-350 Super DutyExtended Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2012FordF-350 Super DutyCrew Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2011FordF-250 Super DutyRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2011FordF-350 Super DutyStandard Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2011FordF-350 Super DutyExtended Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2011FordF-350 Super DutyCrew Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design; Reuse U-Bolt
2010FordF-250 Super DutyRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design
2010FordF-350 Super DutyStandard Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design
2010FordF-350 Super DutyExtended Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design
2010FordF-350 Super DutyCrew Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design
2009FordF-250 Super DutyRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design
2009FordF-350 Super DutyStandard Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design
2009FordF-350 Super DutyExtended Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design
2009FordF-350 Super DutyCrew Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design
2008FordF-250 Super DutyRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design
2008FordF-350 Super DutyStandard Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design
2008FordF-350 Super DutyExtended Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 Lb. Average Capacity; Heavy Duty Aftermarket Design
2008FordF-350 Super DutyCrew Cab PickupRear5 Leaf / 1 Leaf = 6 Leaf Spring; 3.25 In. Pack Thickness; 4,400 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:

043-1681-00HD43-1681HD43-1681HDDAY43-1681HDHUS7C345560FG7C3Z5560FD

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

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