REPLACEMENT ENGINE OIL PUMP OUTLET TUBE KIT (ENGINE SERIAL NO. 459478-621172) (MANUFACTURED 1978-1983) (ENGINE SERIAL NO. 100001- ) (MANUFACTURED 1983- ) [01F20] OILING SYSTEM 0407 670A, 672A, and 670A, 672A (Automatic Blade Control System) Graders PC1620 in GRADER, MOTOR 672A