PACCAR MX-13 DIESEL ENGINE WATER PUMP ASSEMBLY 931226/02 OEMCondition: REBUILDABLE CORE USED The Paccar 93122602 Water Pump is designed for the MX 13 engine which has a displacement of 12. 9L. This water pump assembly also identified by the casting number 93122602 is made to ensure efficient coolant flow improving overall engine thermal efficiency. It is an OEM part built to meet the stringent demands of heavy duty truck applications. The water pump plays a crucial role in maintaining optimal engine