ACDELCO Standard Replacement Belt — direct fit for Ford F-250 Super Duty 5.4L V8 (1999-2001). Genuine quality replacement built to OEM tolerances, ships to all 50 USA states from RevXSC.
Engineered by ACDELCO as a standard replacement grade belt for the 5.4L V8 engine, this 8K991 matches factory mounting points and form factor so install requires no modification. w/ A/C Standard replacement spec — the same dimensions, materials and performance envelope as the original factory part.
Search by any number below — they all match ACDELCO 8K991:
| Year | Make / Model | Engine | Notes |
|---|---|---|---|
| 1999 | Ford F-250 Super Duty | 5.4L V8 | w/ A/C |
| 2000 | Ford F-250 Super Duty | 5.4L V8 | w/ A/C |
| 2001 | Ford F-250 Super Duty | 5.4L V8 | w/ A/C |
Always replace belt components in matched sets where applicable, torque fasteners to factory spec, and inspect adjacent belt drive components for wear during installation. If you're not sure which variant matches your VIN, send us the last 8 digits of the VIN before checkout and we will confirm fitment.
Is 8K991 a direct replacement?
Yes — ACDELCO 8K991 is built to OEM form/fit/function for the Ford F-250 Super Duty 5.4L V8 (1999-2001).
Do you ship to my state?
We ship to all 50 USA states. Tracking is provided.
What's the difference between Economy, Standard Replacement and Heavy Duty?
Economy is the value-priced option for everyday driving; Standard Replacement matches OEM spec; Heavy Duty uses upgraded materials for towing, fleet and severe service.
How can I confirm fitment?
Match year, make, model and engine (1999-2001 Ford F-250 Super Duty 5.4L V8). When in doubt, send your VIN — we verify before dispatch.
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Note: The product image is for illustrative purposes only. Actual product may vary slightly in appearance, packaging, or labeling. Fitment and specifications are guaranteed to OEM standards.