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O2 Sensors & Wiring

FuelTech has the O2 sensors and wiring components needed to enable precise engine tuning and diagnostics. Fine-tune air-fuel ratios for maximum performance with FuelTech and Bosch O2 sensors. Trusted by racing teams, enthusiasts, and professionals worldwide, FuelTech's O2 sensors and wiring harnesses are essential tools for achieving peak engine performance and efficiency.

Bosch LSU 4.2 Wideband O2 Sensor

Bosch LSU 4.2 Wideband O2 Sensor from $79.00

Nano & NanoPRO LSU4.2 Harness

Nano & NanoPRO LSU4.2 Harness from $50.00

WB-O2 Sensor Weld Bung

WB-O2 Sensor Weld Bung $8.00

NanoPRO LSU4.9 Harness

NanoPRO LSU4.9 Harness from $55.00

WB-O2 - O2 Sensor - Alcohol

WB-O2 - O2 Sensor - Alcohol $699.00

WB-O2 Sensor Bosch to NTK Adapter Harness

WB-O2 Sensor Bosch to NTK Adapter Harness $79.00

Alcohol O2 - Dual Channel Harness

Alcohol O2 - Dual Channel Harness $149.00 Sold Out

4x WB-O2 Nano Harness

4x WB-O2 Nano Harness $179.00

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