Haltech WB1 Wideband O₂ Controller

Haltech WB1 Wideband O₂ Controller – HT159976

The Haltech WB1 is a compact, motorsport-grade wideband controller designed for accurate air-fuel ratio monitoring and reliable ECU integration. Built to Haltech’s standards, it delivers fast, stable lambda data for tuning, logging, and engine protection—whether on the dyno or the street.

Key Features

• Supports Bosch LSU 4.2 wideband oxygen sensor

• Fast-response, high-accuracy AFR / Lambda measurement

• Dedicated CAN bus output for seamless Haltech ECU integration

• 0–5V analog output for compatibility with non-CAN systems

• Compact, sealed design suitable for harsh engine bay environments

• Designed for tuning, data logging, and closed-loop fuel control

Compatibility

• Haltech ECUs via CAN (Elite, Nexus platforms)

• Compatible with standalone ECUs requiring 0–5V wideband input

• Intended for performance and motorsport applications

What’s Included

• Haltech WB1 Wideband Controller

• Wiring harness

• CAN connection hardware

Engineered for precise fueling data and dependable performance, the WB1 is a proven solution for accurate wideband control in modern standalone ECU setups.

Factory Part Number: HT159976