Multiquip 0203020B1270 Motor Rotor

The Multiquip 0203020B1270 Motor Rotor is a genuine OEM component designed for ST3020B1 and ST3020BCUL submersible pumps. Sourced directly from Multiquip, this rotor is built to the same specifications as the original, ensuring the motor delivers the correct torque and rotational output for sustained pumping performance. Confirmed fitment covers the ST3020B1 and ST3020BCUL models, so you can order with confidence knowing this is the right part for your machine.

Key Features

• Genuine OEM Magnetic Precision — Manufactured to exact rotor geometry and magnetic specifications, maintaining correct motor RPM and torque output for your submersible pump.
• Drop-In Motor Compatibility — Engineered to seat correctly within the stator housing of ST3020B1 and ST3020BCUL motors, aligning with existing shaft tolerances and bearing surfaces.
• Confirmed Fitment — Verified for ST3020B1 and ST3020BCUL submersible pump models; part number 0203020B1270 cross-references directly to these units.
• Restored Motor Efficiency — A worn or damaged rotor causes the motor to overheat, draw excess current, or lose pumping capacity; replacing it restores rated flow and amperage draw.
• Electrical Safety Assurance — As a submerged electrical component, OEM construction ensures correct insulation class and balance, reducing risk of motor failure in wet operating conditions.

The motor rotor is the rotating core of an electric motor, working in conjunction with the surrounding stator to convert electrical energy into the mechanical rotation that drives the pump impeller. In a submersible pump, the rotor spins inside a sealed motor housing fully immersed in water, making dimensional accuracy and material integrity critical to safe, efficient operation. When a rotor degrades — through electrical imbalance, physical damage, or wear — the motor loses efficiency, runs hot, draws higher current, and can ultimately fail, leaving the pump unable to move water.

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.