The Wacker Neuson is a genuine OEM Air Cleaner Cover Knob designed for the CT48BDT walk-behind concrete power trowel and the PT3B centrifugal trash pump. As a direct factory replacement, this knob is the exact component specified by Wacker Neuson for both machines, ensuring a proper fit without guesswork. Genuine OEM sourcing means the matches the original material grade, thread spec, and dimensional profile of the part it replaces. Whether you're servicing a trowel on a finishing crew or maintaining a pump on a dewatering job, this is the correct part to order.
Key Features
- Genuine OEM Construction: — Manufactured to Wacker Neuson's original material and dimensional spec, so the knob seats and threads exactly as designed — no slop, no cross-threading risk.
- Drop-In Replacement: — Matches the original mounting thread and cover geometry on both the CT48BDT and PT3B, so installation is straightforward with no rework.
- Cross-Family Fitment: — A single part number that serves both the CT48BDT 48-inch walk-behind concrete trowel and the PT3B 3-inch centrifugal trash pump, making it easy to stock for mixed fleets.
- Secure Air Filter Access: — A correctly functioning cover knob keeps the air cleaner housing sealed between service intervals, protecting the engine from unfiltered air ingestion and premature wear.
- Fuel and Air System Integrity: — A damaged or missing air cleaner cover knob allows the cover to loosen under vibration, exposing the filter element and engine intake — replacing it promptly maintains clean combustion and protects engine longevity.
The air cleaner cover knob is the fastening point that holds the air filter housing closed on the engine. It allows quick, tool-free access to the air filter element during routine service while keeping the cover firmly secured during operation. When this knob cracks, strips, or goes missing, the air cleaner cover can shift or open under machine vibration, allowing unfiltered air — and debris — to enter the engine intake. Replacing a worn or damaged knob with the correct OEM part restores a proper seal and ensures the air filtration system performs as intended.
Part Details
| Part Number | 5000072666 |
|---|---|
| Old Part Number | 0072666 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Air Cleaner Cover Knob |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Walk-behind Trowel | CT48BDT | 5000008017 |
| 75mm/3in Centrifugal Trash Pum p | PT3B | 5000006731 |
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.
