This wideband exhaust oxygen sensor is intended for replacement of an existing sensor(s) being utilized by an AutoMeter wideband air/fuel ratio gauge .The sensor is fitted with a laser etched calibration chip which prevents the need for free air calibration when used with the AutoMeter gauges for which they are specifically designed. Each sensor is factory-calibrated by Bosch for accuracy within 0.1 AFR. Product Features:Bosch LSU4.2 replacement sensor only.M18x1.5 Male threads10 in. wire lead with connectorFree air calibration not requiredDesigned specifically for use with AutoMeter Wideband AFR gaugesAccurate to within 0.1 AFR
