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Oxygen Sensor (4 Wire Flat) Gen II

$60.00

APPLICATION: LT1 Gen II Engines with PSI harnesses HAR-1005, HAR-1006, HAR-1087, HAR-1088. GEN IV DBC HARNESS HAR-1058

Oxygen Sensors (O2's), are one of the most important parts of an LSX Swap. They relay the Air Fuel Ratio back to the ECM so your engine runs Optimally.


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SKU: ACC-1001
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  • APPLICATION: LT1 Gen II Engines with PSI harnesses HAR-1005, HAR-1006, HAR-1087, HAR-1088. GEN IV DBC HARNESS HAR-1058

    Oxygen Sensors (O2's), are one of the most important parts of an LSX Swap. They relay the Air Fuel Ratio back to the ECM so your engine runs Optimally.

    O2 Sensors are a Wear Item, just like a spark plug or serpentine belt. O2 Sensors that are high mileage, have been submerged in water, have been removed from a junkyard with a torch, or are in any other way damaged, should be replaced.

    PSI Wiring Harnesses are Designed to use a Specific O2 Sensor, usually based on engine generation.

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