Description pump engine oil used very good caterpillar.
5L5993 OIL PUMP ASSEMBLY
Serial No. 73B1 to 73B145 inclusive
Serial No. 66B162 to 66B399, 66B409 and 66B410 inclusive
Serial No. 66B400 to 66B408 and 66B411-Up
SERIAL NO. 73B92 ONLY
Serial No. 66B2049 to 66B3152 inclusive