ENGINE OIL PUMP OUTLET TUBE KIT (SERIAL NO. -122703) (ENGINE SERIAL NO. 610811-621172) (MANUFACTURED 1983-1983) (ENGINE SERIAL NO. 100001- ) (MANUFACTURED 1983- ) [01E17] OILING SYSTEM 0407 550A Crawler Bulldozer PC1890 in BULLDOZER MASTER TRAX