Description: These are priced and sold Individually.
GM Genuine Parts Multi-Purpose O-Ring 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. 

Description: 4.8, 5.3 & 6.0L. lower. 6.2L, 2nd design. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type