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LS2 / LS3 Rear to front O2 adapter


per EACH

Availability: YES

Item Code : LS2-O2

Quick Overview



LS2-02 - LS2 / LS3 Oxygen Sensor Adapter Harness


These adapters allow rear oxygen sensors to be used in place of the front oxygen sensors on certain GM vehicles. The rear oxygen sensors have stronger heaters in them which keep the computer in closed loop. Typical applications are in vehicles which have aftermarket exhaust manifolds (headers).


  • Fully Plug and Play with the factory harness and sensors
  • Factory-type weather-proof connectors with silicon seals
  • Connector locks
  • Crosslinked automotive wire (Packard spec. M-2023, -49ºF to 257ºF
  • Four-terminal flat (LS1 / LT1) style connector to four-terminal square (LS1) style connector.