![]() Usually, it is quite noticeable due to its change of sound. In the case of a malfunction in the bearing, there will be a leak in the water pump. To avoid tragedies like water pump failure, one must know that the bearing of the water pump holds high-importance. A good water pump should have the following three features, so one must consider these qualities when opting for a 5.9L Cummins water pump. How to Choose a 5.9L Cummins Water PumpĪs we have mentioned already, choosing a water pump for a 5.9L Cummins is a tricky job. It can especially reach places where it is hard for water to reach with a normal flow and pressure. One can use a water pump to regulate the flow of water in homes, businesses, or even in the engines of vehicles to reach where it is necessary. This helps the water get to hard to reach places that aren't reached with normal pressure. These features are all absent on older shaft bearing versions of the shaft.In the case of a fire emergency, a water pump is installed to ensure the continuous and consistent flow of water. Note : The 25120 shaft and bearing assemblies can be identified by the indentation machined into the shaft on the impeller end, the slightly undercut shaft in the key area which allows the seal seat to slide down the shaft to within 3/8” of the mechanical seal, or the lack of a snap ring groove between the impeller and the bearing closest to the impeller. Attempting to use the 25115 mechanical seal on an older shaft design will damage the shaft and mechanical seal which will cause a seal leak. The 25115 mechanical seal kit can only be used in either a P1722C pump or with a P1700 series pump that has been upgraded with the 25120 shaft and bearing assembly. ![]() The 25115 mechanical seal kit CANNOT be used on the standard P1700 shaft due to the design. Attempting to use the 15955 or 23799 mechanical seal with the 25120 shaft bearing assembly or in a standard P1700 pump will damage the seal and cause a shaft leak. This seal is an upgrade over the standard mechanical seal. Warning : The new 25120 shaft and bearing assembly can only be used with the 25115 mechanical seal kit which utilizes a pressed on seal seat. This seal kit includes a seal pusher that sets the proper height of the seal seat on the shaft.įor further information about this option and how to identify whether or not you have the seal upgrade, please click on the P1722C pump links and download the technical guide. Previous pump designs can be upgraded to this new design by utilizing the 25120-SHW shaft bearing assembly and the 25115-SHW seal kit. The pumps are equipped with a pressed-on silicon carbide seal seat and a new shaft and bearing assembly. ![]() The new P1722C pumps replace the P1722, P1722B, P1722X, P1722A pumps respectively. ![]()
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