Volvo Penta 3580307 Valve Spring Washer Each washer is genuine Volvo Penta OEM , meaning it meets the same manufacturing standards as the parts originally installed on your engine — no compromises, no guesswork. Product Details Part Number: 3580307 Manufacturer: Volvo Penta Part Type: Valve Spring Washer Condition: used Function: Secures the valve spring and maintains proper valve seating pressure Compatible Volvo Penta Engines This Volvo Penta 3580307 Valve Spring Washer fits a wide range of D1, D2, and MD series engines, including: D-Series Engines: D1-30, D1-30B, D1-30F D2-40, D2-40B, D2-40F D2-50F D2-55, D2-55B, D2-55C, D2-55D, D2-55E, D2-55F D2-60F D2-75, D2-75B, D2-75C, D2-75F MD-Series Engines: MD2030, MD2030B, MD2030-C, MD2030-D MD2040, MD2040B, MD2040-C, MD2040-D If you’re unsure whether this washer fits your engine, check your serial number or consult your Volvo Penta manual — this is a common replacement across many small to mid-size marine diesels.
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