Spectra Premium OS6047 Downstream Heated Oxygen Sensor 4-Wire O2 Sensor

The Spectra Premium OS6047 is a direct-fit, heated downstream oxygen sensor (O2 sensor) engineered to OE specifications for a precise drop-in replacement. Designed to restore accurate exhaust gas monitoring, this sensor helps the engine control unit (ECU) maintain optimal fuel trim, protect fuel economy, and prevent rough idle or ignition timing issues caused by a failed O2 sensor.

Key Features:

• 4-wire heated sensor design for fast warm-up and reliable signal output across all operating conditions
• OE-matched specifications — engineered to meet or exceed original equipment performance standards
• ISO 9001 and TS16949 certified manufacturing — rigorous quality standards govern raw materials, assembly, and final inspection
• 100% performance tested — every sensor is computerized-tested prior to shipment to ensure real-world reliability
• Anti-seize coating pre-applied to threads for easier installation and future serviceability
• Protective cap included to shield the sensing element from contamination during shipping and handling
• Complete assembly, no core charge required — all necessary accessories included for installation
• Cross-references OEM part numbers: 1900-545717, 250-24730

Spectra Premium oxygen sensors are built using precision electronic components assembled in a dust-free, temperature-controlled environment. A failed or degraded downstream O2 sensor can trigger check engine lights, reduce fuel efficiency, and disrupt emissions system performance — making timely replacement with a quality part essential. The OS6047 restores proper closed-loop feedback to the ECU for confident, reliable operation.