An O-Ring serves as a seal by mechanically deforming the elastomeric compound between mating metal surfaces. It results in a "zero" clearance condition, which prevents the liquid or gas from being sealed. The pressure that causes the O-Ring to move is provided by mechanical pressure or "Squeeze" generated by proper gland design, material selection, and system pressure transmitted to the fluid. O rings are ideal for static applications such as flanges, cylinders, pipes, and plates. It serves as a sealing device, preventing liquids or air from escaping. Key Features: Used to protect equipment and ensure proper operation. The purpose of O rings is to seal a joint between two pieces so that no air, gas, or liquid can pass through. It is low-cost and highly effective. An extremely adaptable. Small installation space required It can used in both static and dynamic applications. Specifications: Brand: Volvo Penta SKU: 838821 Weight: 0.02 lbs Volvo Penta Exploded view / schematic Cylinder Head: C