Serpentine Belt Idler Pulley – Fits Volvo Penta 4.3/5.0/5.7/8.1L (Replaces 3861009) 170-300HP The best way is to

The best way is to match the part number stamped on your existing carburetor to one of the numbers listed: 66M-14301-11-00

Designed for improved durability and higher flow rates for optimal engine cooling

1 x Fuel Pump Assembly (43113T/43113M)

it is highly recommended to replace the thermostat seal (gasket) whenever you replace the thermostat

Serpentine Belt Idler Pulley – Fits Volvo Penta 4.3/5.0/5.7/8.1L (Replaces 3861009) 170-300HP The best way is toProduct Details This replacement Serpentine Belt Idler Pulley is engineered for Volvo Penta gasoline marine engines, including the 4. 3L, 5. 0L, 5. 7L, and 8. 1L series (GXi, Gi, GXiE, OSi OSXi models) from approximately 19992012. It ensures the serpentine belt system maintains correct tension for optimal performance. It serves as a direct interchange for Volvo Penta part number 3861009. Installs directly as a bolt on replacement. Durable metal