The Wacker Neuson 5200021653 Seat is a genuine OEM component designed for the APT8T and APT8S submersible pump series, including standard, surge brake, electric brake, and cold weather configurations. As a direct OEM replacement, 5200021653 is manufactured to the same specifications as the original part, ensuring a correct, consistent fit every time. This seat is compatible across the full APT8T and APT8S model range, covering both skid-mounted and trailer-mounted pump variants. Keep this part on hand for planned maintenance or unscheduled repairs to minimize disruption on the job.
Key Features
- Genuine OEM Material Integrity — Produced to the same material and dimensional tolerances as the factory-installed seat, maintaining proper sealing contact within the pump assembly.
- Direct Drop-In Replacement — Installs in the same position as the original seat with no modification to mating components or housing required.
- Broad APT8 Series Coverage — Compatible with APT8T and APT8S models across surge brake, electric brake, cold weather, and skid-mounted configurations.
- Supports Consistent Pump Performance — A correctly seated valve seat maintains flow efficiency and pressure integrity; a worn or damaged seat causes leakage and loss of pumping capacity.
- Verified by Wacker Neuson Part Number — Order with confidence using part number 5200021653 to confirm you are receiving the correct component for your specific APT8 pump build.
The seat is a precision-fitted component within the valve assembly of a submersible pump, providing the sealing surface against which a valve disc or ball closes to control fluid flow direction. When the seat is properly formed and seated, the pump maintains efficient one-way flow and maximum discharge pressure. A worn, cracked, or improperly seated seat allows fluid to bypass the valve during operation, reducing pumping efficiency, causing pressure loss, and in severe cases preventing the pump from priming altogether.
Part Details
| Part Number | 5200021653 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seat |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT8T Pump, Electric Brake | APT8T | 5200019649, 5200019648 |
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
| APT8T Pump, Surge Brake, Cold Weather | APT8T CW | 5200019796, 5200019797 |
| APT8S Pump w/Skid | APT8S | 5200018987 |
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.