AP / EASTERN Oe Design Catalytic Converter — direct fit for Ford F-150 4.2L V6 (2000-2003). Genuine quality replacement built to OEM tolerances, ships to all 50 USA states from RevXSC.
Engineered by AP / EASTERN as a oe design grade catalytic converter for the 4.2L V6 engine, this 645221 matches factory mounting points and form factor so install requires no modification. Right; 4WD Standard replacement spec — the same dimensions, materials and performance envelope as the original factory part.
Search by any number below — they all match AP / EASTERN 645221:
| Year | Make / Model | Engine | Notes |
|---|---|---|---|
| 2000 | Ford F-150 | 4.2L V6 | Right; 4WD |
| 2001 | Ford F-150 | 4.2L V6 | Right; 4WD |
| 2002 | Ford F-150 | 4.2L V6 | Right; 4WD |
| 2003 | Ford F-150 | 4.2L V6 | Right; 4WD |
Always replace catalytic converter components in matched sets where applicable, torque fasteners to factory spec, and inspect adjacent exhaust & emission 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 645221 a direct replacement?
Yes — AP / EASTERN 645221 is built to OEM form/fit/function for the Ford F-150 4.2L V6 (2000-2003).
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 (2000-2003 Ford F-150 4.2L V6). 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.