Engine Cooling Pump for Volvo Gas Serpentine Belt 1 GrooveAlbin Pump Marine engine cooling seawater pumps follow standards regarding dimensions, interchangeability, and performance. The range consists of flange-mounted, belt-driven, and crankshaft pulley-driven pumps for the most common marine inboard engines.Pulley Type:Serpentine belt pulley, 1 grooveFor Engine Models:4.3/ 5.0GL, 4.3/ 5.0/ 5.7GXi, 5.7Gi, V6-200/225, V8-225/270/300/350Replaces Pump:Volvo 21212799 (Imp 22307636, old 21212794, 21213664)