HomeSuspension > Suspension, Springs and Related ComponentsDorman 929-231 Leaf Spring - Rear
Part #: 929-231

Dorman 929-231 Leaf Spring - Rear

Rear
3 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, F-350 Super Duty
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Overview of Dorman Leaf Spring Assembly 929-231

The Dorman Leaf Spring Assembly 929-231 is designed specifically for Ford F-350 Super Duty trucks, providing reliable suspension support with a standard suspension grade. Constructed from durable steel and finished in black, this leaf spring assembly ensures consistent performance and longevity.

  • Material: High-strength steel construction
  • Color: Black finish for corrosion resistance
  • Suspension Grade Type: Standard
  • Leaf Quantity: 11 leaves for balanced load distribution
  • Leaf Width: 3 inches
  • Helper Spring: Not included
  • Bushings Included: Yes, for smooth articulation
  • Axle Modification Needed: No
  • Length Axis 1: 25.5 inches
  • Length Axis 2: 30.38 inches
  • Pack Thickness: 4.02 inches
  • Leaf Spring Arch Length: 5.38 inches
  • End Attachment Type: Up turned eye on both ends

Detailed Description of the Leaf Spring Assembly

This Dorman leaf spring assembly (part number 929-231) is engineered to meet the suspension requirements of Ford F-350 Super Duty trucks. Featuring 11 steel leaves with a 3-inch width, it provides a balanced and stable ride while maintaining the vehicle's factory suspension geometry. The black finish offers protection against rust and environmental wear. Both ends of the spring have up turned eyes, allowing for direct replacement without the need for axle modifications. Included bushings facilitate smooth movement and reduce noise during operation. The assembly measures 25.5 inches on one axis and 30.38 inches on the other, with a pack thickness of 4.02 inches and an arch length of 5.38 inches, ensuring proper fitment and suspension performance.

Common Applications and Problem Solving

  • Replacement for worn or broken leaf springs on Ford F-350 Super Duty
  • Restores proper ride height and load carrying capacity
  • Eliminates sagging or uneven suspension issues
  • Reduces excessive vehicle bounce and improves handling
  • Addresses noise and vibration caused by damaged bushings

Installation Notes and Tips

Installation of the Dorman 929-231 leaf spring assembly requires no axle modifications, making it a direct fit for Ford F-350 Super Duty models. Bushings are included, but mounting hardware is not, so ensure you have the necessary bolts and fasteners before beginning installation. It is recommended to have suspension components inspected for wear during replacement and to torque all fasteners to manufacturer specifications for safety and performance.

Quality Assurance and Warranty

Dorman manufactures this leaf spring assembly to meet or exceed OEM standards, ensuring durability and reliable suspension performance. The steel construction and protective black finish contribute to long service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.

BrandDorman
Part Number929-231
Axle Modification NeededNo
Bushings IncludedYes
ColorBlack
End 1 Attachment TypeUp Turned Eye
End 2 Attachment TypeUp Turned Eye
Helper SpringNo
Leaf Quantity11
Leaf Spring Arch Length5.38
Leaf Width3
Length Axis 125.5
Length Axis 230.38
MaterialSteel
Maximum Drop0
Mounting Hardware IncludedNo
Pack Thickness4.02
Package Contents1 Leaf Spring
Spring Research Institute Number43-1265
Suspension Grade TypeStandard

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2001FordF-350 Super DutyRearw/Spring Code D
2000FordF-350 Super DutyRearw/Spring Code D
1999FordF-350 Super DutyRearw/Spring Code D

* 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:

F81A5560DB

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