Wacker Neuson 5100061606 Suction Valve

The Wacker Neuson Suction Valve is a genuine OEM suction valve designed for MDP3 and PT3c series diaphragm trash pumps. As a factory-sourced component, it is manufactured to the same specifications as the original part, ensuring a direct, hassle-free installation in your existing pump assembly. This valve is confirmed to fit the MDP3, MDP3X, MDP3-CN, PT3G-c CE, and PT3G-c CN models, covering a broad range of 75mm/3in diaphragm pump configurations. Keep your pump operating at full capacity by replacing worn or damaged valve components with the correct OEM part.

Key Features

• OEM Valve Integrity — Manufactured by Wacker Neuson to original material and dimensional standards, ensuring consistent sealing performance under the pressure cycling demands of diaphragm pump operation.
• Drop-In Installation — Engineered to seat and seal exactly as the original, fitting directly into the valve housing without rework or adaptation to the pump body.
• Broad Diaphragm Pump Compatibility — Fits MDP3 and PT3c series pumps including MDP3X and MDP3-CN variants, covering multiple regional and configuration builds of the 75mm/3in diaphragm platform.
• Sustained Flow Performance — A correctly functioning suction valve maintains proper one-way flow into the pump chamber; a worn or leaking valve causes loss of prime, reduced output, and erratic pumping cycles.
• Fuel and Fluid System Compliance — Using the correct OEM valve material ensures compatibility with the fluids these pumps are rated to handle, avoiding premature degradation from incompatible valve compounds.

The suction valve is a critical one-way flow component in a diaphragm pump's fluid end. As the diaphragm moves through its intake stroke, the suction valve opens to allow fluid to enter the pump chamber, then closes to prevent backflow as the diaphragm pushes fluid toward the discharge side. When the suction valve wears, cracks, or loses its seating seal, the pump struggles to maintain prime, output volume drops noticeably, and the machine may surge or run dry — accelerating wear across the entire pump assembly. Replacing the valve promptly with part number 5100061606 restores proper priming and consistent flow.

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.