Original MELLING oil pump 👌 For all GMC and CHEVROLET engines High pressure 10355HV the new upgraded version 👍 [ Sierra - Silverado - Tahoe - HD - Yukon - Denali ] V8 Engines ‏[ LS [ 4.8 - 5.3 - 5.7 - 6.0 - 6.2 ] It's better than the dealership's based on experience