• Upgrade to NTK Lab Grade: Use a NTK lab grade sensor with LSU4.2 wiring harness and NanoPRO. • Compatibility: Works with Alcohol O2 module, PRO550, or PRO600 harness. • Connector Conversion: Convert Bosch O2 connector to NTK sensor for seamless use.

This adapter harness is perfect for those who want to use a NTK sensor with their existing Bosch setup. It can be used when running a LSU4.2 wiring harness with a NanoPRO or when using our Alcohol O2 module with PRO550 or PRO600 harness. Ideal for car enthusiasts and mechanics looking to upgrade their oxygen sensor system. It features a female Bosch O2 connector to a male NTK O2 sensor.