1916 CODE 1916 ENGINE OIL PUMP INTAKE, OIL PAN, ALUMINUM(6619TF-01) 20 ENGINE OIL PAN, PUMP, DIPSTICK, PRESSURE REGULATOR, AND OIL COOLER 6619 OEM 6619AF, 6619TF-01 OEM Engines and Accessories (Waterloo) PC1563 in ENGINE, OEM (SERIES 500 DIESEL) 6619