The Wacker Neuson 5200021791 is a genuine OEM Pressure Gauge designed for the APT-series self-priming pump lineup, including the APT4S, APT4T, APT6S, APT6T, APT8S, and APT8T. As a direct OEM replacement, part 5200021791 is manufactured to the exact specifications required by Wacker Neuson for these pump platforms — covering skid-mount, surge brake, electric brake, and cold weather variants. Sourcing the correct pressure gauge ensures accurate system monitoring and protects downstream pump components from operating outside safe pressure limits. Keep your APT-series pump performing at spec with this verified factory replacement.
Key Features
- Genuine OEM Accuracy — Calibrated to the pressure range and port spec required by Wacker Neuson APT-series pumps, ensuring readings you can trust on the job.
- Direct-Fit Replacement — Designed to install into the existing gauge port on APT pump housings without modification to fittings or mounting hardware.
- Broad APT-Series Coverage — Fits APT4S, APT4T, APT6S, APT6T, APT8S, and APT8T configurations, including surge brake, electric brake, skid-mount, and cold weather variants.
- Protects Pump Integrity — A functioning pressure gauge allows operators to detect over-pressure conditions before they cause seal failure, impeller damage, or hose failure.
- Verified Part Number — Ordering by part number 5200021791 confirms you are receiving the correct gauge for your specific APT pump model and configuration.
A pressure gauge on a self-priming pump gives the operator a real-time view of discharge pressure as fluid moves through the system. This reading is critical for confirming that the pump is primed and operating within its designed pressure range — too little pressure can indicate a suction leak or blockage, while excessive pressure can signal a restriction in the discharge line that risks damaging the pump casing or seals. When a pressure gauge fails or reads inaccurately, operators lose visibility into pump performance and may run the machine under conditions that cause premature wear or catastrophic component failure.
Part Details
| Part Number | 5200021791 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pressure Gauge |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT6S Pump w/Skid | APT6S | 5200018982 |
| APT6T Pump, Electric Brake | APT6T | 5200019647, 5200019646 |
| APT6T Pump, Electric Brake, Cold Weather | APT6T CW | 5200019795, 5200019794 |
| APT4S Pump w/Skid | APT4S | 5200018977 |
| APT8T Pump, Electric Brake, Cold Weather | APT8T CW | 5200019797, 5200019796 |
| APT4T Pump, Surge Brake, Cold Weather | APT4T CW | 5200019792, 5200019793 |
| APT6S Pump w/Skid, Cold Weather | APT6S CW | 5200019799 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT8T Pump, Surge Brake | APT8T | 5200019648, 5200019649 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
| 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.
