AC Delco 15-51156

GM Genuine Parts Vacuum Tanks are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These vacuum tanks are reservoirs that maintain the vacuum supply for HVAC system controls during periods of low engine vacuum. 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). <br>