HomeSuspension > Suspension, Springs and Related ComponentsDorman 929-233 Leaf Spring - Rear
Part #: 929-233

Dorman 929-233 Leaf Spring - Rear

Rear
⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Lincoln, F-150 and Mark LT
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Reliable Leaf Spring Assembly for Ford F-150 and Lincoln Mark LT

The Dorman 929-233 leaf spring assembly is designed to restore suspension performance for select Ford and Lincoln trucks. Engineered with durable steel and a standard suspension grade, this leaf spring assembly offers dependable support and ride quality for your vehicle.

Key Features of the Dorman 929-233 Leaf Spring Assembly

  • Constructed from high-strength steel for durability
  • Standard suspension grade type suitable for everyday driving
  • Includes 4 leaves with a 3-inch width for balanced load support
  • Black finish for corrosion resistance and long service life
  • Comes with bushings included for easier installation
  • Berlin eye attachment type on both ends for direct fitment
  • No axle modification required, ensuring straightforward replacement
  • Compatible with Ford F-150 and Lincoln Mark LT models

Detailed Description of the Dorman 929-233 Leaf Spring Assembly

This leaf spring assembly features a 4-leaf pack with a 3-inch leaf width and a pack thickness of 1.75 inches, providing consistent suspension support. The spring arch length measures 7.6 inches, designed to maintain proper ride height and handling characteristics. Both ends utilize Berlin eye attachments, which are compatible with factory mounting points, simplifying installation. The assembly is finished in black to resist rust and corrosion, extending the lifespan of the component. Bushings are included to reduce noise and vibration, but mounting hardware is not included, so existing hardware should be inspected before installation.

Common Applications and Issues Addressed

  • Restores sagging or worn leaf springs on Ford F-150 and Lincoln Mark LT
  • Improves vehicle stability and load carrying capacity
  • Eliminates uneven ride height and excessive body roll
  • Reduces suspension noise caused by worn bushings
  • Replaces damaged or cracked leaf springs to maintain safety

Installation Notes and Tips

  • No axle modification is needed, allowing for direct replacement
  • Inspect existing mounting hardware; new hardware is not included
  • Ensure proper torque specifications are followed for Berlin eye bolts
  • Professional installation is recommended for safety and alignment
  • Check suspension alignment after installation to maintain handling

Quality Assurance and Warranty Information

Dorman manufactures this leaf spring assembly to meet or exceed OEM specifications, ensuring reliable performance and durability. The product includes bushings to enhance fit and function. While mounting hardware is not included, the assembly is designed for a direct fit on compatible Ford F-150 and Lincoln Mark LT models. Please refer to Dorman's warranty policy for coverage details.

BrandDorman
Part Number929-233
Axle Modification NeededNo
Bushings IncludedYes
ColorBlack
End 1 Attachment TypeBerlin Eye
End 2 Attachment TypeBerlin Eye
Helper SpringNo
Leaf Quantity4
Leaf Spring Arch Length7.6
Leaf Width3
Length Axis 125.63
Length Axis 231.38
MaterialSteel
Maximum Drop0
Mounting Hardware IncludedNo
Pack Thickness1.75
Package Contents1 Leaf Spring
Spring Research Institute Number43-1555
Suspension Grade TypeStandard

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2008FordF-150RearFitment: Compatible with Leaf Spring equipped with Spring Code P.
2008LincolnMark LTRearFitment: Compatible with Leaf Spring equipped with Spring Code P.
2007FordF-150RearFitment: Compatible with Leaf Spring equipped with Spring Code P.
2007LincolnMark LTRearFitment: Compatible with Leaf Spring equipped with Spring Code P.
2006FordF-150RearFitment: Compatible with Leaf Spring equipped with Spring Code P.
2006LincolnMark LTRearFitment: Compatible with Leaf Spring equipped with Spring Code P.
2005FordF-150RearFitment: Compatible with Leaf Spring equipped with Spring Code P.
2004FordF-150RearFitment: Compatible with Leaf Spring equipped with Spring Code P.

* 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:

4L345560PK

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