Feature●【Function】Fit for Volvo Penta Cylinder SX DPS -M, replace OEM 3857471 3857470.●【High-quality】This kit made of premium material which is Resistant to Ethanol, UVs, Oxidation and has amazing properties for longevity.●【Saving Time & Energy】Simple, convenient and fast to use, effectively solve problems, do not need to replace the entire cyclinder, save money and effort.●【Package Included】2*Outer cylinder cap o-rings,2*Inner cylinder cap o-rings ,2*Viton Cylinder cap wiper seals, 2*Piston Seals, 4*OEM Style Piston Back Up Rings, 2*Piston-to-rod o-rings.●【Satisfaction Guarantee】We provide professional and sincere services to escort your shopping. If you are not 100% satisfied with our products, you only need to return them within 30 days to get a full refund. Supports a 12-month warranty.Description