Wacker Neuson 5000079321 Throttle Shutter Valve

The Wacker Neuson Throttle Shutter Valve is a genuine OEM component designed for the BS60Y, BS45Y, and BS52Y vibratory rammers. As a direct OEM replacement, this part is sourced from Wacker Neuson and built to the same specification as the original, ensuring a correct fit within the throttle assembly. Confirmed fitment spans the BS45Y rammer with 250mm/10 in shoe, the BS52Y with 254mm/10 in shoe, and the BS60Y — making this valve a reliable choice across several models in the BS rammer family. Keep a verified OEM part on hand to avoid unnecessary delays when your rammer requires throttle system service.

Key Features

• Genuine OEM Throttle Calibration: — Sourced directly from Wacker Neuson, this valve maintains the correct airflow restriction characteristics required for proper throttle response on BS-series rammers.
• Direct-Fit Replacement: — Engineered to seat and operate within the existing throttle bore without rework, matching the original valve geometry and mounting configuration.
• Verified BS Rammer Fitment: — Compatible with the BS60Y, BS45Y (250mm/10 in shoe), and BS52Y (254mm/10 in shoe) vibratory rammers — confirm your model before ordering.
• Consistent Engine Speed Control: — A properly functioning throttle shutter valve allows the operator to regulate engine RPM smoothly; a worn or stuck valve causes erratic engine speed and inconsistent compaction force.
• Fuel System Integrity: — Correct valve seating prevents unmetered air from entering the carburetor circuit, protecting fuel mixture accuracy and reducing the risk of a lean-running condition that can damage the engine over time.

The throttle shutter valve — also known as a throttle plate or butterfly valve — sits inside the carburetor throat and controls the volume of air entering the engine in response to throttle input. By rotating within the bore, it regulates engine speed from idle through full throttle, directly influencing the impact rate and compaction output of the rammer. When this valve wears, warps, or fails to seat correctly, the engine may run rough, hunt for idle, or fail to reach full operating speed, compromising the machine's ability to deliver consistent compactive effort in trench and cohesive soil applications.

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.

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