BOSCH 13474 Premium OE Fitment Oxygen Sensor - Compatible with Select 1996-03 Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac Cars, Trucks, Suvs, and Vans

Bosch Premium Thimble Type Sensors utilize an electrical heating element inside the thimble-shaped end to bring the sensor up to operating temperature in less than a minute. The patented thimble ceramic element featuring the Bosch patented Platinum Power Grid and the patented Bosch Double Layer Protection System optimize sensing, peak performance, and maximum service life.