2004-2008 Ford & Lincoln F150, Mark LT 2 & 4 Wheel Drive Heavy Duty Rear Leaf Spring 43-1555HD

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Ford heavy duty rear leaf spring part number 43-1555hd.

  • *Diagram Spring May Differ From Actual Spring*
  • Number of Leaves - 5 (4/1)
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 25-5/8"
  • B - Leaf Spring Length: 31-3/8"
  • C - Leaf Spring Arch: 7-5/8"
  • D - Spring Pack Thickness: 2-1/4"
  • Leaf Spring Capacity: 2,400 lbs.
  • Leaf Spring OEM Number: Replaces 4L3Z5560PA and 4L345560PK
  • Leaf Spring Eye Bushings: Front RB-275 / Rear RB-276
  • Includes Front and Rear Eye Bushings
  • Leaf Spring Material: 4/360 2ND 1/788
  • Location - Rear
  • 2 Center Bolts
  • New Body Style


Leaf spring 43-1555HD is the heavy duty rear leaf spring on 2004-2008 Ford F150 2 wheel and 4 wheel drive trucks. Also fits Lincoln Mark LT. The rear spring is 3" wide, is a 5 (4/1) leaf spring and the capacity is 2,400 lbs. Replaces OEM part numbers 4L3Z5560PA and 4L345560PK.


Models And Year Ranges:

Fits: 2004-2008 Rear Ford F150 (2WD And 4WD)

Fits: 2006-2008 Rear Lincoln Mark LT (2WD And 4WD)

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