The Wacker Neuson Speed Adjustment Screw is a genuine OEM component designed for the PD3B 75mm/3in Diaphragm Pump. As a direct factory replacement, this screw is manufactured to the exact tolerances required for precise throttle and speed control on the PD3B. Sourced directly through the Wacker Neuson OEM supply chain, the ensures correct positioning and engagement within the speed control assembly. Confirm your model number against the PD3B before ordering to ensure an exact match.
Key Features
- OEM-Specified Thread Profile and Dimensions — Manufactured to the exact thread pitch and shank length required for proper engagement in the PD3B speed control assembly, eliminating the risk of stripping or misalignment from an incorrect fit.
- Direct Replacement for PD3B Diaphragm Pump — Drops into the existing speed adjustment position on the PD3B 75mm/3in Diaphragm Pump without modification to surrounding hardware.
- Accurate Speed Regulation Restored — A worn or damaged speed adjustment screw causes erratic throttle response and inconsistent pump output; replacing it with the correct OEM part restores repeatable, stable speed control.
- Genuine Wacker Neuson OEM Part — Supplied through the authorized Wacker Neuson parts network, backed by OEM part number 5000084796 for confident identification and reordering.
- Fuel System Integrity — Correct screw adjustment directly affects fuel metering and engine speed; using the specified OEM component supports safe and stable operation of the pump engine.
The speed adjustment screw is a small but critical component in the engine's throttle or carburetor speed control circuit. It sets the position of the throttle linkage or governor stop, controlling idle and operating speed of the pump engine. When this screw is stripped, broken, or missing, the engine may surge, fail to hold a consistent speed, or run outside its intended RPM range — all of which reduce pumping efficiency and can accelerate wear on the diaphragm and valve assemblies. Replacing it promptly with the correct OEM part keeps the engine running at its designed operating speed.
Part Details
| Part Number | 5000084796 |
|---|---|
| Old Part Number | 0084796 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Speed Adjustment Screw |
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.
