Wacker Neuson 1000142433 Priority Valve

The Wacker Neuson Priority Valve is a genuine OEM component designed for the TH627 telescopic handler. As a factory-original part, it is manufactured to the exact specifications required by Wacker Neuson's engineering team, ensuring correct hydraulic flow distribution within the machine's system. If your TH627 is exhibiting steering sluggishness, inconsistent hydraulic response, or loss of priority function, replacing the priority valve with part number is the correct service action.

Key Features

• Factory-Matched Hydraulic Calibration — Engineered to deliver the precise flow-priority bias required by the TH627's hydraulic circuit, maintaining correct pressure split between steering and auxiliary functions.
• Genuine OEM Origin — Sourced directly from Wacker Neuson, this part carries the same design and material specification as the unit installed at the factory — no substitutions or approximations.
• Direct-Fit for the TH627 — Matches the original valve's porting, threading, and mounting configuration, allowing a straightforward swap-in during scheduled service or unplanned repair.
• Restores Proper Steering Priority — A worn or failed priority valve can cause delayed or unpredictable steering response under load; replacing it with 1000142433 brings the hydraulic system back to designed operating behavior.
• Operational Safety Relevance — The priority valve directly governs steering circuit pressure. A failing unit can compromise operator control of the machine, making timely replacement a genuine safety consideration on any active job.

The priority valve is a hydraulic control component that manages how flow is distributed between the machine's steering circuit and its other hydraulic functions. In a telescopic handler like the TH627, the steering system is given priority — meaning it receives adequate flow first before the remaining volume is directed to the boom, attachments, or auxiliary circuits. When the priority valve wears or fails, the steering system may become slow or erratic, particularly under load, which can make the machine difficult and unsafe to control. Replacing the valve restores the correct flow hierarchy and consistent, predictable machine response.

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.