Product Description The Volvo Penta Impeller Pump O-Ring (3580380 / 3580917) is designed to provide a reliable, watertight seal between the impeller pump and the engine block . This O-ring prevents seawater leakage and ensures correct operation of the raw water cooling system in Volvo Penta marine diesel engines. Manufactured to OEM-equivalent specifications from durable, water- and heat-resistant elastomer material, this O-ring ensures accurate fitment and long service life. It is strongly recommended to replace the O-ring whenever the impeller pump is removed or serviced to maintain proper sealing and cooling system integrity. Product Type Impeller pump O-ring Installation Location Between the impeller pump and the engine Volvo Penta Reference / OEM Part Numbers 3580380 3580917 Compatibility Suitable for Volvo Penta engines: D1 Series D1-13 D1-20 D1-30 D2 Series D2-40 D2-50 D2-55 D2-60 D2-75 MD2000 Series MD2010 MD2020 MD2030 MD2040
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