The Wacker Neuson 5200021740 Impeller is a genuine OEM component designed for the APT8S and APT8T series self-priming pumps. As a direct factory replacement, this impeller is manufactured to the same specifications as the original, ensuring consistent hydraulic performance and proper flow characteristics. It fits across the APT8S and APT8T pump families, including cold weather, electric brake, and surge brake configurations. Verifying your machine model before ordering confirms the right fit for your specific unit.
Key Features
- Genuine OEM Hydraulic Geometry — Manufactured to the original blade profile and diameter, maintaining the designed flow rate and pressure output of the APT8S and APT8T pump.
- Drop-In Shaft Compatibility — Engineered to mount directly onto the existing pump shaft and housing without alteration, streamlining the replacement process.
- Broad APT8 Series Coverage — Compatible with APT8S (standard and cold weather) and APT8T (electric brake, surge brake, and cold weather) pump configurations.
- Sustained Priming and Flow Performance — A worn or damaged impeller causes loss of prime, reduced discharge pressure, and sluggish pump output; this replacement restores full pumping capacity.
- Corrosion-Resistant Construction — Built to withstand continuous contact with water and debris, matching the durability expected of the original impeller in demanding pumping conditions.
The impeller is the rotating core of a centrifugal pump, responsible for drawing fluid into the pump housing and discharging it under pressure through the outlet. It converts the mechanical energy from the engine or motor into fluid velocity and flow. When an impeller becomes worn, eroded, or damaged, the pump loses its ability to self-prime effectively, output pressure drops, and overall pumping efficiency deteriorates — making timely replacement critical to keeping the unit productive.
Part Details
| Part Number | 5200021740 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Impeller |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
| APT8S Pump w/Skid | APT8S | 5200018987 |
| APT8T Pump, Electric Brake | APT8T | 5200019649, 5200019648 |
| APT8T Pump, Electric Brake, Cold Weather | APT8T CW | 5200019797, 5200019796 |
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.
