Serpentine Belt Idler Pulley – Fits MerCruiser V6 & V8 Engines (Replaces 865598, 818382, 8M6500024) 9.9-20HP Brand Part Number Johnson/Evinrude 18-3673

Brand Part Number Johnson/Evinrude 18-3673 Sierra 18-3673 GLM 13270 OMC 434841 HeuroFosh 18-3673 Johnson/Evinrude Hoses 340975

This filter is designed for equipment using a 5/16" inline fuel filter

and a smoother ride in choppy water

Your engine will also have a low-pressure filter

Serpentine Belt Idler Pulley – Fits MerCruiser V6 & V8 Engines (Replaces 865598, 818382, 8M6500024) 9.9-20HP Brand Part Number Johnson/Evinrude 18-3673Product Details This high quality Serpentine Belt Idler Pulley is a direct fit replacement for various MerCruiser V6 and V8 engines (model years 19962025) equipped with serpentine belt systems. It is also compatible with select General Motors Vortec V6 and Small Block V8 engines. Engineered for reliability, this pulley ensures proper belt tension and smooth engine operation. It serves as a direct interchange for MerCruiser part numbers 865598, 818382,