Features: Engineered for superior heat resistance and enhanced sealing , this Motor (# 420950770) ensures leak proof durability in high pressure environments, specifically designed for , , and models to optimize engine efficiency and longevity. Crafted from premium synthetic rubber and reinforced polymer materials, the cylinder maintains consistent thickness through advanced molding technology, offering oil/water resistance and stability across extreme temperatures ( 40°C to 200°C). Ideal for owners requiring OEM compatible replacements, particularly those maintaining 2011–2017 155, 2009–2016 215, or 2012–2016 215 models for routine repairs or upgrades. Built to withstand rigorous marine conditions, this robust safeguards engines during high speed water sports, lake adventures, or extended rentals, ensuring uninterrupted power delivery and combustion chamber integrity. to 4 engines, its anti deformation design reduces installation complexity while exceeding standard by 50%, backed by rigorous compatibility testing for models listed in product specifications. Specifications: Type: Cylinder seal Part number: 420950770 420641110 420950771 Component: Rubber Color: Black Applicable models: Suitable for 130, 155, 185, 215, 255&260HP 1503cc engine Package Includes: 1 pc Cylinder sealing note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.