Exhaust Flap / Non-Return Valve – Fits Volvo Penta 290, SP and DP Series (Replaces 852644) family-yamaha-f25esh or corrosion around connection points

or corrosion around connection points

250 (10-74191 / 8M0204669)

A: Cross-reference your engine's HP rating and model year with the compatibility table above

delivering reliable fitment and function for vintage MerCruiser sterndrive systems that require exhaust tube replacement due to wear

Exhaust Flap / Non-Return Valve – Fits Volvo Penta 290, SP and DP Series (Replaces 852644) family-yamaha-f25esh or corrosion around connection pointsExhaust Flap Non Return Valve Fits Volvo Penta 290, SP and DP Series (Replaces 852644) This exhaust flap non return valve is designed for a precise fit on a range of Volvo Penta sterndrive models, including the 290, 290DP, SP A through SP E, and DP A through DP C series. It serves as a direct replacement, preventing water from flowing back into the engine's exhaust system. This component is a direct replacement for Volvo Penta part number 852644 and