Wacker Neuson 5200009661 Pentagonal Check Device

The Wacker Neuson Pentagonal Check Device is a genuine OEM component designed for the NE6 Hydraulic Breaker. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component installed at the factory, ensuring correct operation within the hydraulic circuit. If your NE6 breaker is showing irregular pressure behavior or fluid bypass, replacing the check device with the correct OEM part restores proper hydraulic function and keeps the breaker performing as intended.

Key Features

• OEM-Specified Geometry: — The pentagonal profile matches the original seating geometry exactly, ensuring correct valve seating and consistent one-directional flow control within the hydraulic system.
• Direct Drop-In Replacement: — Engineered to the same dimensions as the original, this part installs into the existing hydraulic breaker assembly without rework or adaptation.
• Confirmed Fitment for NE6 Hydraulic Breaker: — Verified for use with the Wacker Neuson NE6 Hydraulic Breaker, so you can order with confidence knowing the part number matches your machine.
• Restored Hydraulic Integrity: — A worn or failed check device can allow fluid to bypass in the wrong direction, causing pressure loss and erratic breaker performance. This genuine replacement restores proper directional control.
• Genuine Wacker Neuson OEM Part: — Supplied as an authorized Wacker Neuson component, manufactured to the same material and dimensional standards as the part it replaces.

A check device controls the direction of hydraulic fluid flow within a breaker's internal circuit, allowing fluid to pass in one direction while blocking reverse flow. In a hydraulic breaker like the NE6, this component plays a key role in maintaining the pressure cycles that drive the chisel during operation. When the check device wears or fails, hydraulic pressure can bleed back through the circuit, leading to weak or inconsistent impact force — and in some cases, the breaker may stop cycling altogether.

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.