Manufacturer Part Number: 0265005331. Type:Brake Booster Vacuum Sensor. 1xBrake Booster Vacuum Sensor. for Chevrolet Silverado 1500 2018 Custom, High Country, LS, LT, LTZ, SSV, WT 4.3L V6 - Flex, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas.