Multiquip 522514 Keyed Impeller Shaft

The Multiquip 522514 Keyed Impeller Shaft is a genuine OEM component designed for MQ600H, MQ600HTB, and MQ600HTP trash pumps. This is a direct factory replacement shaft, ensuring the impeller seats and drives exactly as Multiquip intended. Sourced directly through authorized channels, part number 522514 matches the original specification for a straightforward, correct-fit installation. If your pump is losing prime, running rough, or showing signs of shaft wear, replacing it with the genuine Multiquip 522514 restores full pumping performance.

Key Features

• Genuine OEM Construction — Manufactured to Multiquip's original material and dimensional standards, so the keyed shaft interface engages the impeller hub with the same torque transfer as the factory-installed component.
• Keyed Drive Design — The machined keyway locks the impeller positively to the shaft, eliminating slip under heavy pumping loads and sustaining consistent flow output.
• Confirmed Fitment — Verified for MQ600H, MQ600HTB, and MQ600HTP trash pump models; cross-reference part number 522514 before ordering to confirm your unit.
• Sustained Pump Output — A worn or scored shaft allows impeller movement and pressure loss; replacing with 522514 restores rated flow and suction capacity to the MQ600 series.
• Fluid-End Integrity — Proper shaft condition is critical to maintaining seal alignment inside the volute housing — a degraded shaft accelerates mechanical seal and bearing wear upstream.

The impeller shaft is the central rotating component inside a trash pump's fluid end, transmitting power from the engine-driven drive to the impeller that moves water and solids through the volute housing. When the shaft is keyed, the keyway slot and mating key lock the impeller rotationally to the shaft so no slippage occurs under load. If the shaft becomes worn, corroded, or the keyway damaged, the impeller loses its positive drive connection — flow rate drops, the pump struggles to prime, and mechanical seal and bearing wear accelerates rapidly. Replacing the shaft with the correct OEM part restores the precise tolerances the pump was designed around and protects surrounding components from secondary damage.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.