Yanmar 129335-55701 Fuel Water Separator Assembly

The Yanmar 129335-55701 fuel water separator assembly is designed for Yanmar 2TNV, 3TNV, 3TNM, 3TNE, 4TNE, and 4TNV series diesel engines. It separates water and particulate contamination from diesel fuel before it reaches the injection pump and injectors, ensuring reliable engine operation and extended component life. This assembly includes a filter element, water collection bowl, and drain valve. It is a direct replacement for Yanmar OEM part numbers 129335-55701, 129335-55700, and associated supersessions. The unit is widely used in compact construction machinery including mini excavators from Komatsu, Hyundai, Hitachi, and Yanmar's own ViO series.