Idler Pulley – Fits Volvo Penta D4/D6 (Replaces 21280913, 3848896) 305HP Install the new base gasket

Install the new base gasket

3587858 Volvo Penta V8-320-A

and a water hose needed to fully service the transom assembly and maintain watertight integrity

What is the difference between OEM and aftermarket

6L L6 models Mercury Racing L6 400R 4-Stroke 2015–Present (2B141124-3B342962) 892864T04/8M0174561 2

Idler Pulley – Fits Volvo Penta D4/D6 (Replaces 21280913, 3848896) 305HP Install the new base gasketProduct Details This aftermarket Idler Pulley Fits Volvo Penta D4 D6 Marine Diesel Engines (Replaces 21280913, 3848896) is designed for reliable compressor belt tensioning. It is compatible with specific Volvo Penta D4 series models (D4 260, D4 300) up to serial number 2004017297 and D6 series models (D6 350, D6 370, D6 400, D6 435) up to serial number 2006032252. This component is a direct interchange for Volvo Penta part numbers 21280913, 3848896,