FREE 1 to 3-Day Delivery on Orders $149+ Details
$59.99
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Features, Description, Reviews, Q&A
Precision Engine Management. The O2 Oxygen Sensor; Upstream monitors the oxygen level in the exhaust gases before the catalytic converter, providing critical data to the engine control unit (ECU) for optimal air/fuel mixture adjustments. This enhances engine efficiency, reduces emissions, and ensures proper combustion across varying driving conditions.
_x000D__x000D_Construction and Appearance. Manufactured with a double-layered 310S stainless steel housing for enhanced corrosion resistance, the sensor features an isotatic-pressed and plasma-sprayed sensing element for longevity and reliable responsiveness. The thimble design and durable wiring with blade terminal ensure consistent connection integrity and ease of integration.
_x000D__x000D_Installation. Designed for straightforward replacement with no modifications or drilling required, installation is accessible with common hand tools. It fits specific vehicles with threaded mounting for direct factory replacement.
_x000D__x000D_Warranty. This sensor is backed by a limited lifetime warranty guaranteeing replacement in the event of manufacturing defects during intended use.
_x000D__x000D_Application. This O2 sensor fits the 1987 to 1990 Jeep Wrangler YJ equipped with the 4.2L engine, ensuring accurate emissions control and engine performance compliance for this specific model period.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov