Description:

Air Fuel Ratio Sensor Compatible with Cadillac Escalade; Compatible with GMC Savana Sierra 1500 2500 3500 Yukon C1500 C2500 K1500 K2500. Compatible with Chevrolet Avalanche Express Silverado Suburban 1500 2500 Tahoe C1500 C2500. Enhance Performanc.Easy Installation.High Reliability. Replacement OEM ( Original Equipment Part) Number: 19178116, 19178918, 19178930. Other Part Number: 21539, 2344018, 2344012, SG272, SG454, 234-4012, 234-4018, ES20000, 25024018, 250-24018, ES20317, 25024012, 250-24012, ES20317, 21006.