Haltech Onboard Wideband Bosch LSU 4.9 Sensor Kit for Nexus ECUs
The Haltech Onboard Wideband Bosch LSU 4.9 Sensor Kit (part number HT-010740) has the parts to run a wideband O2 sensor straight off the onboard wideband controller in a Haltech Nexus ECU. You get the Bosch LSU 4.9 sensor, a 1.2m (4 ft) extension cable and a stainless steel weld-on bung, so there’s no separate wideband controller to buy.
🚗 Suitable for:
- Haltech Nexus Series ECUs with an internal onboard wideband controller, including the Nexus S3
- Haltech Elite PRO Plug-in ECUs for Australian-made Ford “Barra” Falcons only
📦 What’s Included:
- 1x Bosch LSU 4.9 wideband O2 sensor
- 1x 1.2m (4 ft) extension cable
- 1x stainless steel weld-on bung
🔧 Fitment Details:
- Weld the bung into the exhaust and screw the sensor into it
- The extension cable runs from the sensor to the ECU’s onboard wideband input
- Set up the wideband in the Haltech software once it’s wired in
⚙️ Why Choose Haltech:
- Uses the wideband controller already built into your Nexus, which saves buying an external controller
- Genuine Bosch LSU 4.9 sensor, supplied with the cable and bung to fit it
❓ FAQs:
Q: Do I need a WB1 or WB2 controller as well?
A: Not with a Nexus ECU that has an onboard wideband controller. This kit connects straight to it.
Q: Can I buy the sensor on its own as a replacement?
A: Yes. We list the Haltech Bosch LSU 4.9 Wideband Sensor (HT-010718) separately.








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