Dorman - OE Solutions Leaf Helper Spring P/N:43-1279
Dorman 43-903 rear leaf helper spring for the 1990-1997 Ford F-Super Duty adds load support to the rear suspension. It replaces an original spring that has failed from rust and fatigue.
Rust, cracks or a rear end that sags under a load can mean the helper spring is worn, though the main rear leaf springs or the shocks can be behind those signs too. This listing is one spring, and both sides are normally replaced together.
It is a direct-fit replacement for the 1990-1997 Ford F-Super Duty.
Fit and size
Build and materials
One leaf helper spring; the 1990-1997 Ford F-Super Duty takes two. Mounting hardware is not included, so plan on new hardware instead of reusing the old.
Interchange: 43-903DAY · 043-0903-00
E8TA5A975AB
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This part cross-references / interchanges with the following part numbers:
Is the Dorman 43-903 the right rear leaf helper spring for the 1990-1997 Ford F-Super Duty?
Yes. Dorman 43-903 is a rear leaf helper spring for the 1990-1997 Ford F-Super Duty, and the truck takes two.
Does the Dorman 43-903 helper spring come with mounting hardware?
No. This listing holds one steel leaf helper spring and no mounting hardware, so any hardware you need is bought separately.
How much load is the 43-903 leaf helper spring rated for?
Dorman 43-903 has a maximum load rating of 1350 pounds and a leaf spring load increase strength of 1350 pounds.
How can I tell a rear leaf helper spring is worn out?
With the vehicle parked and cool, look for cracks, heavy rust or a flattened spring. A rear end that sags when loaded is another sign you may notice.
Is E8TA5A975AB the same as Dorman 43-903?
Yes. E8TA5A975AB is listed as an interchange number for the Dorman 43-903 rear leaf helper spring.
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