Sensor, Oxygen , for 90~95 ZR-1 LT5. Sold individually. Two (2) Oxygen Sensors are required per engine.

NOTE: This is a NEW DENSO O2 Sensor, alternate/supercedes GM PN's 10096120,10096129, 10137641,25170700 & 25176708.  The electrical lead is about 10" long. 

New Item!!  O2 Sensors are difficult to access and loosen with conventional tools, after years of heat cycles.  Tool, Oxygen Sensor Wrench [1F5]

 Common O2 Sensor Contaminants

Oxygen (O2) sensors commonly fail due to contamination.  When checking or replacing an O2 sensor, visually inspect the sensor body to determine if it has been contaminated by a faulty part or substance upstream, and correct the fault before installing the new, replacement sensor.