WALKER PRODUCTS Economy Oxygen (O2) Sensor — direct fit for Ford Explorer 5.0L V8 (1999-2001). Genuine quality replacement built to OEM tolerances, ships to all 50 USA states from RevXSC.
Engineered by WALKER PRODUCTS as a economy grade oxygen (o2) sensor for the 5.0L V8 engine, this 35034539 matches factory mounting points and form factor so install requires no modification. Upstream Right Economy-tier pricing keeps everyday maintenance affordable without compromising fit.
Search by any number below — they all match WALKER PRODUCTS 35034539:
| Year | Make / Model | Engine | Notes |
|---|---|---|---|
| 1999 | Ford Explorer | 5.0L V8 | Upstream Right |
| 2000 | Ford Explorer | 5.0L V8 | Upstream Right |
| 2001 | Ford Explorer | 5.0L V8 | Upstream Right |
Always replace oxygen (o2) sensor 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 35034539 a direct replacement?
Yes — WALKER PRODUCTS 35034539 is built to OEM form/fit/function for the Ford Explorer 5.0L 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 Explorer 5.0L 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.