Quick Overview 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. Bosch LSU4.2 replacement sensor only. M18x1.5 Male threads 10" wire lead with connector Free air calibration not required Designed specifically for use with AutoMeter Wideband AFR gauges Accurate to within 0.1 AFR Attributes: GTIN: 00046074022432 Brand Name: AutoMeter Add-On: N/A Extended Information: Country of Origin: United States Emissions : Released Life Cycle Status: Available To Order Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 5 x 5 x 4.25 inches Weight: 0.6 lb