Replaces OEM Part Numbers: 234-4355, 234-4727, 234-4074 Compatibility and cross-reference - Cross-reference compatibility: 234-4074, 234-4355, 234-4727 Oxygen Sensor - Durable material: designed to withstand the heat and environment of the exhaust system - Easy installation: built to facilitate straightforward replacement Function and performance - Function: oxygen sensor that monitors exhaust oxygen content to support proper engine management - Performance: designed for reliable operation in exhaust conditions to maintain accurate readings Use scenarios - Vehicle replacement: install as a direct replacement in vehicles originally equipped with OEM sensors 234-4355, 234-4727, or 234-4074 - Routine maintenance: use to restore accurate oxygen readings after sensor wear or fault indicators - Spare part: keep on hand for quick replacement during maintenance or diagnostic work on the exhaust sensing system