Product SKU: HAL HT-010718
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.
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