The Wacker Neuson Choke Shaft is a genuine OEM component designed for the PD3B 75mm/3in diaphragm pump. Sourced directly from Wacker Neuson, this part matches the original specification for a direct, hassle-free installation. If your PD3B is experiencing starting difficulties or inconsistent choke action, replacing a worn or damaged choke shaft restores proper cold-start function and engine control.
Key Features
- OEM-Spec Choke Engagement: — Manufactured to the same dimensional and material tolerances as the original, ensuring the choke mechanism operates with the correct resistance and range of motion.
- Drop-In Fitment: — Designed to install directly in place of the original choke shaft with no rework or modification to the carburetor assembly.
- Confirmed PD3B Compatibility: — Verified fit for the PD3B 75mm/3in diaphragm pump series, so you can order with confidence.
- Restores Cold-Start Performance: — A functioning choke shaft delivers the precise fuel-rich mixture needed for reliable cold starts, keeping the pump ready to work in demanding site conditions.
- Fuel System Integrity: — As a genuine OEM part, this choke shaft meets the original design standards for the fuel and airflow circuit, helping maintain safe, consistent engine operation.
The choke shaft is the mechanical link between the choke control and the choke plate inside the carburetor. It rotates the choke plate to restrict airflow during cold starting, enriching the fuel mixture so the engine fires reliably. When the shaft wears, bends, or breaks, the choke plate loses proper control — resulting in hard starting, rough running, or a flooded engine. Replacing it promptly keeps the pump starting cleanly and running at full capacity.
Part Details
| Part Number | 5000084790 |
|---|---|
| Old Part Number | 0084790 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Choke Shaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
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.
