The Wacker Neuson 5200021751 is a genuine OEM Inlet Valve designed for the APT6T, APT6S, APT8T, and APT8S pump series. This valve covers a wide range of configurations including surge brake, electric brake, cold weather, and skid-mounted variants, making it the correct replacement across the full APT6 and APT8 pump lineup. As a genuine OEM component, 5200021751 is produced to Wacker Neuson's original design specifications, ensuring it seats, seals, and operates exactly as intended for your pump model. Confirm your model number against the fitment list before ordering to make sure you receive the right part for your configuration.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's original valve geometry and material spec, ensuring a proper seat and consistent flow control every cycle.
- Drop-In Installation — Engineered to the same port dimensions as the original, so it installs directly into the pump housing without rework or adaptation.
- Broad APT Series Compatibility — Fits APT6T, APT6S, APT8T, and APT8S pumps across surge brake, electric brake, cold weather, and skid-mounted configurations.
- Sustained Pump Output — A correctly functioning inlet valve maintains proper priming and flow; a worn or failed valve causes loss of prime, reduced output, and erratic pump behavior.
- Sourced Direct from Wacker Neuson — Carries the genuine OEM part number 5200021751, so you can verify fitment with confidence against your machine's parts diagram.
The inlet valve controls the entry of fluid into the pump chamber during the suction stroke, opening to allow flow in and closing to prevent backflow as pressure builds. It is a critical component in maintaining consistent prime and efficient fluid transfer — if the valve fails to seat properly or wears to the point where it no longer seals, the pump will lose prime, deliver inconsistent flow, or fail to move fluid altogether. Replacing a worn inlet valve with the correct OEM part restores the pump's intended performance and prevents unnecessary wear on surrounding components.
Part Details
| Part Number | 5200021751 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Inlet Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT6T Pump, Surge Brake, Cold Weather | APT6T CW | 5200019794, 5200019795 |
| APT6T Pump, Surge Brake | APT6T | 5200019646, 5200019647 |
| APT6S Pump w/Skid | APT6S | 5200018982 |
| APT6S Pump w/Skid, Cold Weather | APT6S CW | 5200019799 |
| APT8T Pump, Electric Brake | APT8T | 5200019649, 5200019648 |
| APT8T Pump, Surge Brake, Cold Weather | APT8T CW | 5200019796, 5200019797 |
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
| 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.
