Dorman 43-1823 rear leaf spring for the 2008-2016 Ford F-450 Super Duty and other vehicles holds the weight and payload of a vehicle or trailer. A working leaf spring is essential to suspension performance and passenger comfort.
- Steel material in a standard replacement grade
- Nine leaves in a pack 5.305 in thick and 3 in wide
- Load rate of 6100 lb
- Up turned eye at both ends of the spring
- Bushings included with the leaf spring
Quick facts
- Part: Dorman 43-1823 leaf spring
- Also called: leaf spring assembly
- Fits: 2008-2016 Ford F-450 Super Duty and other vehicles
- Position: Rear
- Material: Steel
- Condition: New
Cracks, corrosion, or damage from overloading or a collision can mean this leaf spring is worn, though worn shackles or loose U-bolts can be behind some of the same symptoms, so find the cause before you replace it.
Fits
It is a direct-fit replacement for the 2008-2016 Ford F-450 Super Duty, which takes two, and for the 2008-2016 Ford F-550 Super Duty, which also takes two. This listing is one leaf spring assembly, and both rear sides are normally replaced together.
Specifications
Fit and size
- Position: rear
- Quantity per vehicle: 2
- Length, axis 1: 25 in; axis 2: 25 in
- Length B: 30.75 in
- Arch length: 4.125 in
- Leaf width: 3 in
- Pack thickness: 5.305 in
- Leaf quantity: 9
- Load rate: 6100 lb
Build and materials
- Material: steel
- Suspension grade: standard
- Ends: up turned eye on both ends
- Bushings: included
- Helper spring: no
- Axle modification needed: no
- Condition: new
In the box
One leaf spring. Mounting hardware is not included, so plan on new hardware, since the old pieces may not be reusable.
Interchange: 43-1809 · 43-1821 · 43-1835 · 43-1837 · 43-1823DAY · 043-1823-00
9C345A975EC · 9C3Z5560EA
This part cross-references / interchanges with the following part numbers:
43-1823, 43-1809, 43-1821, 43-1835, 43-1837, 9C345A975EC, 9C3Z5560EA, 43-1823DAY, 043-1823-00
Frequently Asked Questions
Are these leaf springs right for the 2008-2016 Ford F-450 Super Duty?
Yes. Dorman 43-1823 is a rear leaf spring for the 2008-2016 Ford F-450 Super Duty, and that truck takes two.
Do these leaf springs fit the 2008-2016 Ford F-550 Super Duty?
Yes. This rear leaf spring is also listed for the 2008-2016 Ford F-550 Super Duty, which takes two as well.
Does this Dorman leaf spring come with bushings and mounting hardware?
Yes for bushings, no for mounting hardware: the bushings are included, but mounting hardware is not. Plan on new hardware, since the old pieces may not be reusable.
How much load is the nine-leaf spring rated for?
Dorman 43-1823 has a load rate of 6100 lb across nine leaves, with a leaf width of 3 in and a pack thickness of 5.305 in.
Do I need to modify the axle to install this leaf spring?
No. This standard-grade rear leaf spring needs no axle modification, and it is not a helper spring.
