Keep the rear leaf springs anchored and free to flex with the Mevotech Supreme Leaf Spring Shackle MS400493. It installs as a direct-fit replacement for the 2008-2015 Ford F-250 Super Duty, 2008-2015 Ford F-350 Super Duty, and 2008-2015 Ford F-450 Super Duty — see the "Vehicles it fits" section for the full application list.
The leaf spring shackle links the end of the rear leaf spring to the frame, pivoting to let the spring lengthen and shorten as it compresses and rebounds over bumps and under load. A worn or corroded shackle is a common wear item on hard-working trucks.
- Rear position: cataloged for the rear leaf spring on the listed applications.
- OE-quality fit and performance: built to match the original part's fit and performance.
- Direct-fit replacement: designed for the listed Ford Super Duty applications.
Signs the shackle may need replacing include clunking or knocking from the rear over bumps, a rear that sits low or uneven, or visible rust, cracking, or play at the shackle pivots. Diagnose the cause before replacing.
Interchange: 722-078
722078 · 19472649 · 7C3Z5776B · K150418
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
19472649, 722-078, 7C3Z5776B, K150418, MS400493
Frequently Asked Questions
What does a leaf spring shackle do?
It links the end of the rear leaf spring to the frame and pivots so the spring can lengthen and shorten as it flexes under load and over bumps.
Which vehicles does the MS400493 fit?
It's a direct-fit replacement for the 2008-2015 Ford F-250, F-350, and F-450 Super Duty. Check the "Vehicles it fits" section to confirm your exact vehicle.
Is this a front or rear part?
It is cataloged for the rear leaf spring position on the listed Ford Super Duty applications.
What are signs my leaf spring shackle is worn?
Clunking or knocking from the rear over bumps, a rear that sits low or uneven, or visible rust, cracking, or play at the shackle pivots. Diagnose the cause before replacing.
What other part numbers does this replace?
It cross-references 722-078, 722078, 19472649, 7C3Z5776B, and K150418.
