Gm Genuine Parts D1818A Engine Oil Pressure Sensor Power Inverters while the included chrome trim

while the included chrome trim plate adds a touch of elegance

2% (Sport) Weight Savings -15Lbs (Xtreme) -11Lbs (Sport) Polished Black 21149 (Xtreme) 21149Blk (Xtreme) Polished Black 21158 (Sport) 21158Blk (Sport) Installation

differing from the OEM piston design

Seat Type: Gasket

The Dorman Vapor Canister is reverse engineered from the original design

Gm Genuine Parts D1818A Engine Oil Pressure Sensor Power Inverters while the included chrome trimGm Genuine Parts Engine Oil Pressure Sensors Are Designed, Engineered, And Tested To Rigorous Standards, And Are Backed By General Motors. Gm Genuine Parts Are The True Oe Parts Installed During The Production Of Or Validated By General Motors For Gm Vehicles. Some Gm Genuine Parts May Have Formerly Appeared As Acdelco Gm Original Equipment (Oe).