The Wacker Neuson Air Ducting is a genuine OEM component designed for the BTS 630, BTS 635, and BTS 635S series gasoline cut-off saws. As a direct OEM replacement, this part is manufactured to the same specification as the original, ensuring correct fit and function across all covered BTS variants. Fitment spans multiple configurations of the BTS 630 and BTS 635 families, including the BTS 630S, BTS 635S, and related cut-off saw builds. When your existing air ducting is cracked, collapsed, or missing, replacing it with part number restores proper airflow routing to the engine and cooling system.
Key Features
- OEM-Matched Ducting Geometry — Manufactured to the original profile and port dimensions, so the duct seats and seals correctly within the BTS engine housing without gaps or misalignment.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson, this is the same component installed at the factory — not a substitute or approximation.
- Broad BTS Series Coverage — Compatible with BTS 630, BTS 630S, BTS 635, BTS 635S, and BTS 635s cut-off saw configurations, covering a wide range of serial number ranges across the family.
- Protects Engine Cooling Efficiency — Correctly routed air ducting directs cooling airflow over the engine and carburetor; a damaged or missing duct causes heat buildup that accelerates wear and can lead to power loss or shutdown.
- Direct Drop-In Replacement — Designed to replace the original part using existing mounting points on the BTS chassis, with no trimming or adaptation needed.
The air ducting on a cut-off saw channels cooling air from the starter/flywheel fan directly over the engine cylinder, carburetor, and air filter housing. Without this directed airflow, engine temperatures rise beyond safe operating limits, particularly under the sustained load typical of cutting concrete, asphalt, or masonry. A cracked or deteriorated duct breaks that airflow path, causing uneven cooling, rough running, and in severe cases, premature engine failure. Replacing a worn duct promptly keeps the engine operating within its designed temperature range and extends the service life of surrounding components.
Part Details
| Part Number | 5000213785 |
|---|---|
| Old Part Number | 0213785 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Air Ducting |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cut-off saw BTS 635 | BTS 635 | 5000610190, 5000610191 |
| Cut-off saw BTS630 | BTS 630 | 5000610186, 5000610187 |
| Cut-off Saw BTS 635S | BTS 635S | 5000610192, 5000610193, 5000610407 |
| Floor Saw BTS 630S | BTS 630S | 5000610406 |
| BTS635s | BTS635s | 5100005408 |
| BTS635S Cut-off Saw | BTS 635s | 5100005409, 5100005411 |
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.
