The Wacker Neuson Carburetor Assembly is a genuine OEM carburetor assembly designed for the BFS18, BFS18D, BFS20, BFS20D, BFSX18, BFSX18D, BFSX20, and BFSX20D series floor saws. As a direct OEM replacement, part is manufactured to the same specifications as the original unit — ensuring proper fuel delivery and consistent engine performance right out of the box. This assembly covers an extensive range of Wacker Neuson floor saw configurations, making it a reliable choice whether you're servicing a standard or diesel-equipped model. Confirm your model number before ordering to ensure an exact match for your machine.
Key Features
- Genuine OEM Fuel Metering Accuracy — Built to the exact air-fuel ratio tolerances Wacker Neuson specifies for these floor saw engines, so combustion efficiency is maintained from the first start.
- Drop-In Engine Compatibility — Engineered to mount and connect using the original hardware and fuel line positions, matching the intake interface of the BFS and BFSX engine configurations.
- Broad Floor Saw Fitment — Covers BFS18, BFS18D, BFS20, BFS20D, BFSX18, BFSX18D, BFSX20, and BFSX20D models, spanning both standard and diesel-variant floor saw series.
- Consistent Throttle Response — A correctly functioning carburetor assembly keeps blade speed stable under load, which is critical for clean, controlled cuts in concrete and asphalt applications.
- Fuel System Integrity — As a key fuel system component, a properly sealed and calibrated carburetor assembly prevents unmetered fuel delivery that can cause hard starts, rough running, or unsafe engine behavior on a fuel-driven saw.
The carburetor assembly is responsible for blending air and fuel in the correct ratio before the mixture enters the engine's combustion chamber. On a floor saw, where sustained engine output directly affects cutting performance and blade speed consistency, a properly functioning carburetor is essential — even minor wear or blockage in the jets or float valve can cause hard starting, erratic throttle response, or engine stalling under load. Replacing a degraded carburetor assembly with a genuine OEM unit restores the precise fuel metering the engine was designed to operate with.
Part Details
| Part Number | 5000405363 |
|---|---|
| Old Part Number | 0405363 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Carburetor Assembly |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Floor Saw | BFS20D | 5000630008 |
| BFS20 | BFS20 | 5000630129 |
| Floor Saw | BFS18D | 5000630132 |
| BFS18 | BFS 18 | 5000630099 |
| Floor Saws | BFSX20D | 5000630134 |
| Floor Saws | BFSX18D | 5000630133 |
| Floor Saw | BFSX18 | 5000630249 |
| Floor Saw | BFSX20 | 5000630250 |
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.
