The Wacker Neuson Needle Valve is a genuine OEM component designed for the CRT48-31V series ride-on concrete trowels. Sourced directly through Wacker Neuson's authorized parts network, this needle valve is an exact match to the original part installed at the factory. Compatible models include the CRT48-31V, CRT48-31V-H High Speed, CRT48-31V-E, CRT48-31V-ES-E, and CRT48-31V-ES Electronic Steering variants — all within the 1220mm/48-inch ride-on trowel family. When you need a dependable, spec-matched replacement, the delivers the correct fit without guesswork.
Key Features
- Genuine OEM Metering Accuracy — manufactured to the exact flow-control specification of the original needle valve, ensuring proper fuel or fluid metering without calibration adjustments.
- Direct Drop-In Replacement — matches the original valve seat geometry and thread pitch for a straightforward swap into the existing fuel or hydraulic circuit.
- Broad CRT48-31V Family Coverage — confirmed fit across the CRT48-31V, CRT48-31V-H, CRT48-31V-E, CRT48-31V-ES-E, and CRT48-31V-ES ride-on trowel models.
- Stable Flow Control Under Load — a properly functioning needle valve maintains consistent fluid delivery during extended finishing runs, keeping trowel performance smooth and predictable.
- Fuel System Integrity — a worn or leaking needle valve can cause rich running, flooding, or erratic engine behavior; replacing it promptly restores safe, correct operation of the fuel circuit.
A needle valve is a precision flow-control component typically found in the carburetor or fuel circuit of small engine-powered equipment. It regulates the volume of fuel entering the system by means of a tapered pin that seats against a matching orifice, allowing fine control over fuel delivery. When the needle valve wears, sticks, or fails to seat correctly, the engine may flood, run lean, idle roughly, or refuse to start — making timely replacement essential to keeping the machine operating as intended.
Part Details
| Part Number | 5000158146 |
|---|---|
| Old Part Number | 0158146 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Needle Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Ride-on Trowel | CRT48-31V | 5000620476 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-31V-H | 5000009086 |
| Ride-on Trowel | CRT48-31V-E | 5000009481 |
| Ride-on Trowel | CRT48-31V-ES-E | 5000009482 |
| 1220mm/48in Ride-on Trowel, El ectronic Steering | CRT48-31V-ES | 5000009216 |
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.
