GM Genuine Parts Engine Water Pump O-Rings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. The interface between components will have a machined groove to accept the O-ring.
Genuine ACDelco For Pontiac G8 2008 2009 Water Outlet Seal | For 12690764
Genuine ACDelco For Chevy Express 1500 2012-2014 Engine Oil Cooler Seal | Round
Genuine ACDelco Brake Master Cylinder Seal 95977364
Genuine ACDelco For Cadillac Eldorado 1993-2002 Accumulator Piston Seal 3rd-4th
Genuine ACDelco For Cadillac Eldorado 1993-2002 Clutch Accumulator Piston Seal
Genuine ACDelco For Oldsmobile Aurora 1995-1999 Accumulator Piston Seal 3rd-4th