The Wacker Neuson Fuel Inlet Valve Needle is a genuine OEM component designed for the CT48BDT walk-behind concrete trowel and the PT3B centrifugal trash pump. As a direct OEM replacement, this needle is manufactured to the same specifications as the original, ensuring proper carburetor fuel metering right out of the box. Wacker Neuson's genuine parts are produced to exact tolerances, giving you confidence that will perform as the factory intended across both supported machine families.
Key Features
- Exact OEM Fuel Metering Tolerance — Manufactured to the original carburetor specification, this needle seats and seals with the same precision as the part it replaces, maintaining correct air-fuel mixture delivery.
- Direct Carburetor Replacement — Drops into the existing carburetor inlet valve seat with no rework; designed to mate with the OEM needle seat for a leak-free seal.
- Dual-Machine Fitment — Verified for the CT48BDT 48-inch walk-behind concrete trowel and the PT3B 3-inch centrifugal trash pump, covering two distinct Wacker Neuson machine families with a single part number.
- Prevents Fuel Flooding and Lean-Run Conditions — A worn or damaged inlet valve needle allows fuel to flood the bowl or starve the engine; replacing it restores stable idle and full-throttle response.
- Fuel System Integrity — A correctly seated inlet valve needle is critical to preventing raw fuel leaks at the carburetor — an important safety consideration on any gasoline-powered equipment.
The fuel inlet valve needle sits inside the carburetor and controls the flow of fuel into the float bowl. As the float rises with the fuel level, it pushes the needle against its seat to shut off incoming fuel; when the level drops, the needle lifts and fuel flows in again. When the needle tip wears, chips, or develops grooves, it can no longer seal properly — leading to an overflowing float bowl, rough running, hard starting, or fuel leaking past the carburetor. Replacing the needle with a genuine OEM part restores the precise shutoff action the carburetor was designed around.
Part Details
| Part Number | 5000039696 |
|---|---|
| Old Part Number | 0039696 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuel Inlet Valve Needle |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Walk-behind Trowel | CT48BDT | 5000008017 |
| 75mm/3in Centrifugal Trash Pum p | PT3B | 5000006731 |
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.
