It is best practice to inspect the impeller for cracks
Remove the pump's end cover to access the old impeller
Carefully reinstall the lower unit
Brand Part Number Mercury 47-862232A2 Mercury 47-862232A-2 Mercury 47-8M0104229 Sierra 18-3016 Sierra 18-3016-1
Replace the housing cover and secure it with the clips
Serpentine Belt Idler Pulley – Fits Volvo Penta 3.0L, 4.3L, 5.0L, 5.7L, 8.1L Engines (Replaces 3861009) 155HP It is best practice toProduct Details This aftermarket Serpentine Belt Idler Pulley is designed for a wide range of Volvo Penta marine gas engines, including 3. 0L, 4. 3L, 5. 0L, 5. 7L, and 8. 1L models. It fits various GL, GXi, OSi, and Gi series engines manufactured from approximately 2000 to 2010, ensuring reliable performance for your sterndrive system. This component is a direct replacement for Volvo Penta part number 3861009. Engineered for direct fit installation.