Genuine GM 12733671 Oil Pump Chevrolet GMC 

Fits 2019+ 5.3L L82 and L84 Engines Only

Supersedes previous part # 12698354 12731661

Fits applications below (5.3L V8 models only), however you MUST verify you have an L82 or L84 engine. WILL NOT work on L83 engines which were used during some of the same years. 

CHEVROLET SILVERADO 1500 2019-2021
CHEVROLET SUBURBAN 2021
CHEVROLET TAHOE 2021
GMC SIERRA 1500 2019-2021
GMC YUKON 2021
GMC YUKON XL 2021