Water Pump W/ 12 Groove Pulley By BESTfit Replaces 181956, 3687900, 5406044 Fits Cummins ISX/ISZ Engine

Upgrade your engine cooling system with the BESTfit Cummins Water Pump with 12 Groove Pulley, a direct replacement for OEM part numbers 181956, 3687900, and 5406044. Designed for Cummins ISX and ISZ engine applications, this pump provides efficient coolant flow to prevent overheating and support consistent engine performance. The durable flange mount design with 12 groove pulley ensures strong belt engagement and long-term reliability under heavy-duty use. It includes a water pump and seal/O-ring for complete installation and dependable cooling performance.

* High Quality Water Pump
* Designed For Cummins Engine Applications
* Circulates Coolant Through Engine To Maintain Proper Operating Temperature
* Includes:
  - (1) Water Pump
  - Seal / O-Ring
* 12 Groove Pulley
* Flange Mount
* Sold Individually
* Warranty On Water Pumps Against Defects In Workmanship & Material From Date Of Purchase

*** High Quality Aftermarket Replacement Part (Not OEM)***

* Cross Ref 1677110091 18-2152 181904E 181956 182152 3683651 3683652 3684449 3684450 3687044 3687045 3687045NX 3687045RX 3687130 3687130NX 3687130RX 3687590 3687590NX 3687590RX 3687900 3800933 4386570 4386570NX 43865

** This Item Ships Direct From The Manufacturer And Will Arrive In A Separate Package And Possibly A Different Time Than The Balance Of Your Order **