Rear Leaf Spring for 1999-2007 Ford F-450 Super Duty & More - Dorman 43-1289HD

$545.99
Dorman - OE Solutions Leaf Spring Assembly 43-1289HD
Dorman - OE Solutions Leaf Spring Assembly 43-1289HD - view 2
Dorman - OE Solutions Leaf Spring Assembly 43-1289HD
Dorman - OE Solutions Leaf Spring Assembly 43-1289HD - view 2

Vehicles this part fits
    Part number: 43-1289HD
    UPC: 194883289420
    Condition: New
    Weight: 147.20 LBS
    Item Package Quantity: 1
    $545.99
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    Dorman - OE Solutions Leaf Spring Assembly P/N:43-1289HD
    Dorman - OE Solutions Leaf Spring Assembly P/N:43-1289HD
    $545.99
    $545.99

    Keep the rear suspension carrying its load as intended with the Dorman leaf spring, part number 43-1289HD, a rear leaf spring built to hold the weight and payload of the vehicle. It fits many vehicles, among them the 1999-2007 Ford F-450 Super Duty, 1999-2007 Ford F-550 Super Duty and 2003 Ford E-550 Super Duty. See the "Vehicles it fits" section for the full list and engine details.

    Leaf springs that work properly support the vehicle's weight and payload and play a key role in suspension performance and passenger comfort. Check the product attributes to confirm this is the right leaf spring for your application.

    • Direct replacement: Designed to fit and work like the original leaf spring on the listed applications.
    • Replacement for damaged springs: Replaces a leaf spring damaged by overloading, collision, cracking or corrosion, or one that is due for replacement.
    • Durable construction: Made from quality materials to strict specifications.
    • Trustworthy quality: Engineered, manufactured and supported by what Dorman describes as the premier aftermarket leaf spring provider in the USA.

    Signs a rear leaf spring may need replacing include sagging or uneven ride height, cracked or broken leaves, and heavy corrosion. Have the suspension inspected to confirm the cause before you replace parts.

    Interchange: 43-1289HDDAY · 043-1289-00HD
    431289HDDAY · 043128900HD

    This part cross-references / interchanges with the following part numbers:

    43-1289HD, 43-1289HDDAY, 043-1289-00HD

    Frequently Asked Questions

    What does a rear leaf spring do?

    It holds the weight and payload of the vehicle at the rear axle and plays a key role in suspension performance and passenger comfort.

    Which vehicles does the Dorman 43-1289HD fit?

    Applications include the 1999-2007 Ford F-450 Super Duty and F-550 Super Duty and the 2003 Ford E-550 Super Duty. The "Vehicles it fits" section has the full list.

    Is this part also called a leaf spring assembly?

    Yes. Dorman lists it as a suspension leaf spring, and both names refer to the same rear suspension part.

    What are signs a leaf spring may need replacing?

    Sagging or uneven ride height, cracked or broken leaves, heavy corrosion, or damage from overloading or a collision can mean it needs replacing. Have the suspension inspected first.

    Is it a direct replacement for the original spring?

    Dorman designs it to fit and work like the original leaf spring on the listed applications. Check the vehicle service information for the correct fasteners and whether they may be reused.

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