An O-ring is a circular-shaped piece of rubber material that serves as a sealant. They're designed to generate a pressure-resistant, sealed mating surface. O-rings will maintain their integrity while preventing liquids, gas, or air from escaping the respective components. The O-RING 925027 is Genuine Volvo Penta Parts designed and produced to assure a perfect fit, safety, and performance. All products Of Volvo Penta have been rigorously developed and tested for reliability and efficiency. Key Features Perfect complement with Volva Penta products Outstanding serviceability and security O-ring end cover heat exchanger 31,32,41,42,43,44,300 engines. Can seal and outlast maximum amount of pressure O-rings are resistant to degradation. Save time and money without compromising on quality. Marine-grade O-Ring that can outlast the elements Perfect fit for easy assembly 925027 O-ring Volvo.Penta AD31D; AD31D-A; AD31XD, AD31L-A; AD31P-A; AD41L-A, AD41D; D41D; TAMD41D, AQD70D; TAMD70D; TAMD70E, D100A; D100AK; D100B, D100BHC; D100BRC; TD100AHC, D120A; D120AK; TD120A, D12D-A MG; D12D-E MG, D12D-A MH; D12D-B MH; D12D-C MH, D70B; D70B PP; D70B K Specifications BRAND: VOLVO Penta SKU:925027 Weight:0.06 LBS Volvo Penta Exploded view / schematic Repair Kits