Overview – WATER PUMP SHAFT ASSEMBLY 3086132-20
The Cummins WATER PUMP SHAFT ASSEMBLY 3086132-20 is specified for Cummins cooling and circulation as the water-pump shaft assembly and is supplied to the original dimensional and material standard.
Parts Characteristics
A water-pump shaft assembly that carries the impeller and the drive, transmitting rotation from the belt to the coolant. It sets the pump’s running truth, so a true, balanced shaft keeps the seal seated and the impeller from cavitating under speed.
Applicable Models & Applications
Used at Cummins water-pump positions specifying this shaft assembly. Match the shaft diameter, length and bearing seat against your old assembly – pump shafts differ in how the seal and impeller seat.
Maintenance & Replacement
Inspect the shaft for bearing rumble, a scored journal and seal weep at every cooling service. A shaft that runs out throws the seal, and a thrown seal drains the pump exactly when cooling matters.
Replace the shaft together with its bearings and seal. A new shaft onto a worn bearing seats poorly and fails early, repeating the teardown it was meant to cure.
Confirm the impeller seats true and to the correct depth. A shaft with an off-depth impeller cavitates and loses flow before the engine reaches temperature.
Keep the correct water-pump shaft assemblies for your engine on the shelf. They are load-critical, and a cooling loop stopped on a shaft is a machine waiting on a small part.
Price Reference (USD)
Expect a market price around USD 40-180 for the WATER PUMP SHAFT ASSEMBLY 3086132-20; we confirm the exact figure on your pro-forma invoice.
Value & Service
We supply brand-new water-pump shaft assemblies with the bearing seat and length confirmed against your Cummins engine, so the pump stays true and sealed.
Racer Machinery ships the Cummins WATER PUMP SHAFT ASSEMBLY 3086132-20 to over 100 countries, with packaging built for the rough handling of international freight.
