Wacker Neuson 5200000432 Choke Shaft Set

The Wacker Neuson Choke Shaft Set is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including BFS1345 and BFS1350 floor saws, RD7 and RD7A tandem rollers, BPU5545A and BPU5260Ah reversible vibratory plate compactors, PT4A trash pumps, and the G 7AI generator. As a direct OEM replacement, this choke shaft set is sourced and manufactured to the same specifications as the original part, ensuring a correct fit across all compatible machines. When the choke shaft or its components wear or fail, starting performance suffers and the engine may run lean or refuse to start entirely — making timely replacement essential. Keep part number on hand for fast turnaround during scheduled maintenance or unexpected repairs.

Key Features

• OEM-Matched Choke Geometry — Manufactured to the original shaft diameter and detent positions so the choke plate seats, rotates, and holds position correctly in the carburetor bore.
• Direct Drop-In Replacement — Installs into the existing carburetor housing using the original mounting points; no rework or adaptation of the choke linkage needed.
• Broad Cross-Machine Compatibility — A single part number covers BFS1345 and BFS1350 floor saws, RD7 and RD7A tandem rollers, BPU5545A and BPU6275Ah vibratory plates, PT4A trash pumps, and the G 7AI generator.
• Consistent Cold-Start Performance — A correctly fitted choke shaft maintains the proper fuel-to-air ratio during startup, enabling reliable ignition in cold or low-temperature conditions.
• Fuel System Integrity — A worn or damaged choke shaft allows uncontrolled air entry into the carburetor, leading to lean-running conditions, rough idling, and potential engine damage; replacing it promptly restores proper mixture control.

The choke shaft is a precision-fitted component inside the carburetor that controls the fuel-to-air mixture during engine startup. By partially restricting the airflow through the carburetor bore, it enriches the mixture so the engine fires and warms up correctly — a function that is especially critical in cold ambient conditions. When the shaft wears, corrodes, or develops play in its bore, the choke plate can no longer hold its set position, resulting in hard starting, erratic idle, or a persistent rich or lean condition that affects overall engine performance.

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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