Home› Suspension > Suspension, Springs and Related Components› Dorman 43-1705 Leaf Spring Assembly - Rear
Dorman 43-1705 Leaf Spring Assembly - RearOE Quality 60-Day Returns
Part #: 43-1705

Dorman 43-1705 Leaf Spring Assembly - Rear

Rear
27 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$483.21Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, F-350 Super Duty
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Leaf Spring Assembly options

Dorman 43-1705 Rear Leaf Spring Assembly

Dorman 43-1705 is a rear leaf spring assembly built for vehicles that need stable load support and consistent suspension performance. It is a steel, standard-grade replacement with black bushings and a rear axle orientation for confirmed Ford Super Duty applications.

Key Features

  • Steel leaf spring assembly for rear suspension service
  • Standard replacement suspension grade
  • 4-leaf design with a 3-inch leaf width
  • 2.75-inch pack thickness and 6.25-inch arch length
  • 3600 load rate for rear load-carrying support
  • Black bushings included
  • End 1 and End 2 use Berlin eye attachment points
  • Compatible With 2008-2016 Ford F-350 Super Duty, rear

Detailed Description

This Dorman OE Solutions leaf spring assembly is specified for 2008-2016 Ford F-350 Super Duty rear suspension applications with dual rear wheels and helper springs. The 43-1705 part number is built to replace the rear leaf spring assembly where proper ride height, payload support, and suspension control are needed. It cross-references Dorman OE Solutions 43-1705 for the same application.

For buyers searching for a rear leaf spring for 2008-2016 Ford F-350 Super Duty DRW models, this assembly provides the listed dimensions and attachment style needed for direct application matching. The steel construction, included bushings, and standard replacement grade make it a practical service part for rear suspension repair on Ford F-350 Super Duty trucks.

What It Helps Address

  • Sagging rear ride height
  • Reduced payload support
  • Rear suspension instability under load
  • Worn or damaged leaf spring assembly replacement
  • Uneven rear suspension performance

Installation Notes and Tips

Verify the vehicle’s rear suspension configuration before ordering. This part is listed for 2008-2016 Ford F-350 Super Duty rear applications with dual rear wheels and helper springs, and the notes specify a 3 leaf / 1 leaf = 4 leaf spring setup with 2.75-inch pack thickness. Confirm the Berlin eye attachment points, 3-inch leaf width, and 33.188-inch length before installation. Use the vehicle’s existing suspension layout and mounting points to confirm proper fitment for the Ford F-350 Super Duty.

Quality Assurance

Dorman OE Solutions parts are built as replacement components for specific vehicle applications, and this leaf spring assembly is identified by part number 43-1705 for application matching. The product details, dimensions, and fitment notes should be checked against the vehicle before service.

BrandDorman
Part Number43-1705
MaterialAcero
MaterialSteel
Bushing ColorBlack
Bushing ColorNegro
Bushing ColorNoir
ColorBlack
ColorNegro
ColorNoir
Load Rate3600
Suspension Grade TypeReemplazo estándar
Suspension Grade TypeStandard
Leaf Quantity4
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 Thickness2.754
Leaf Spring Arch Length6.25
Spring Research Institute Number43-1705

This part fits 27 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2016FordF-350 Super DutyStandard Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2016FordF-350 Super DutyExtended Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2016FordF-350 Super DutyCrew Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2015FordF-350 Super DutyStandard Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2015FordF-350 Super DutyExtended Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2015FordF-350 Super DutyCrew Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2014FordF-350 Super DutyStandard Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2014FordF-350 Super DutyExtended Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2014FordF-350 Super DutyCrew Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2013FordF-350 Super DutyStandard Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2013FordF-350 Super DutyExtended Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2013FordF-350 Super DutyCrew Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2012FordF-350 Super DutyStandard Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2012FordF-350 Super DutyExtended Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2012FordF-350 Super DutyCrew Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2011FordF-350 Super DutyStandard Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2011FordF-350 Super DutyExtended Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2011FordF-350 Super DutyCrew Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2010FordF-350 Super DutyStandard Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2010FordF-350 Super DutyExtended Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2010FordF-350 Super DutyCrew Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2009FordF-350 Super DutyStandard Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2009FordF-350 Super DutyExtended Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2009FordF-350 Super DutyCrew Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2008FordF-350 Super DutyStandard Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2008FordF-350 Super DutyExtended Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs
2008FordF-350 Super DutyCrew Cab PickupRear3 Leaf / 1 Leaf = 4 Leaf Spring; 2.75 In. Pack Thickness; 3,600 Lb. Average Capacity; w/Dual Rear Wheels (DRW); w/Helper Springs

* 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:

043-1705-0043-170343-170543-1705DAY43-1705HUS43-195743-19597C345560DF7C345A975DF7C34D7C34DE7C34DF7C3Z5560DB

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

Related Articles