Wacker Neuson 5100026453 Throttle Valve

The Wacker Neuson Throttle Valve is a genuine OEM component designed for the CRT48-37V series ride-on trowels, including the standard CRT48-37V and the CRT48-37V Power Steer models. As a direct OEM part, is manufactured to the same specifications as the original, ensuring a correct drop-in fit within the machine's fuel and air metering system. Whether you're servicing a standard or power-steer configuration, this throttle valve is the authoritative replacement for all covered CRT48-37V variants.

Key Features

• OEM-Calibrated Flow Control — Manufactured to the original throttle flow specifications, delivering consistent air and fuel metering that aftermarket valves may not replicate.
• Direct Bolt-In Replacement — Matches the original port geometry and connection points of the CRT48-37V throttle body, allowing straightforward installation without rework.
• Broad CRT48-37V Series Coverage — Compatible across the CRT48-37V, CRT48-37V Power Steer, and CRT48-37V EU configurations, covering the full ride-on trowel family.
• Smooth Engine Response — A correctly functioning throttle valve maintains precise engine speed response under load, which is critical for consistent trowel finishing performance on slabs.
• Fuel System Integrity — A worn or sticking throttle valve can cause erratic RPM, poor fuel economy, and uneven finishing results; replacing with a genuine part restores proper engine control.

The throttle valve regulates the volume of the air-fuel mixture entering the engine, controlling engine speed and power output in response to operator input. On ride-on trowels like the CRT48-37V, precise throttle response directly affects finishing quality — inconsistent engine speed leads to uneven rotor pressure and surface defects. When the throttle valve sticks, leaks, or wears, operators typically experience rough idling, sluggish acceleration, or loss of speed control, all of which compromise the finished concrete surface.

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.