Add to Cart Quick view Volvo Penta O-Ring Volvo Penta - Volvo Penta (3852866) Volvo Penta MSRP: $17.34 Now: $15.08 Was: An O-Ring is used to raise the clamping pressure around the combustion chamber. The Volvo Penta 3852866 O-RING is intended to enhance cylinder sealing in high-pressure applications. The metal...