Wacker Neuson 5200021792 Vacuum Gauge

The Wacker Neuson 5200021792 Vacuum Gauge is a genuine OEM component designed for the APT4S, APT4T, APT6S, APT6T, APT8S, and APT8T series self-priming pump units, including skid-mounted, surge brake, electric brake, and cold weather configurations. As a direct OEM replacement, it is manufactured to the same specifications as the original gauge fitted at the factory, ensuring accurate vacuum readings and a drop-in installation. Coverage spans the full APT pump lineup — from the compact APT4 models through to the high-capacity APT8 units — giving fleet operators a single part number to stock across multiple machines. Using the correct Wacker Neuson 5200021792 ensures your pump's priming performance is accurately monitored at all times.

Key Features

• Calibrated OEM Accuracy — Reads vacuum levels to the same tolerance as the original gauge, so you can trust what the instrument tells you about priming status.
• Direct-Fit Replacement — Engineered to mount into the existing gauge port on APT series pumps with no reworking of fittings or hardware.
• Broad APT Series Coverage — A single part number covers APT4, APT6, and APT8 pump models across skid, surge brake, electric brake, and cold weather variants.
• Priming System Visibility — A functioning vacuum gauge lets operators confirm the pump is pulling the correct suction pressure; a failed or fogged gauge masks priming faults that can starve the pump of flow.
• Fuel and Suction Safety Awareness — Monitoring vacuum at the inlet protects the pump from running dry against a blocked suction line, an event that accelerates seal and impeller wear.

A vacuum gauge measures the negative pressure — or suction — that a pump generates on its inlet side during the priming and pumping cycle. On the Wacker Neuson APT series pumps, this reading tells the operator whether the pump is drawing correctly or struggling against a blockage, air leak, or lift that exceeds its rated capacity. When the gauge needle drops below the expected range or the face becomes cracked or condensation-filled, the operator loses the ability to diagnose suction-side problems before they cause mechanical damage. Replacing a worn or damaged gauge with the genuine OEM 5200021792 restores full instrument visibility and keeps priming diagnostics accurate for the life of the pump.

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.