This is the Haltech "Bosch / LSU 4.9" wideband lambda oxygen sensor. A wideband oxygen sensor allows the air/fuel ratio to be measured over a very broad range (often from 0.34 - 1.5 Lambda).
Note: This is a Bosch LSU 4.9 sensor with factory calibration resistor connector (NOT a Deutsch DT-6 connector) This is NOT the LSU 4.2 version.
Fitment:
- Haltech NEXUS ECU
- Haltech Elite Pro Plugin ECU
- Haltech WB1/WB2 Wideband Controllers
Haltech Bosch LSU 4.9 Wideband Replacement Sensor
Haltech Bosch LSU 4.9 Wideband Replacement Sensor
SKU:HAL HT-010718
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30-day return window from delivery. Items must be unused, uninstalled, and in original packaging with tags/seals intact. Installed, modified, or used parts (including wheels and tires) can't be returned. Open-box, clearance, and overstock items are final sale.
A restocking fee may apply.
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