The Wacker Neuson Casing Membrane Set is a genuine OEM component designed for the BTS 930 L3, BTS 935 L3, BTS 1030 L3, BTS 1035 L3, and BTS 1140 L3 series power cutters and cut-off saws. As a direct factory part, it is manufactured to the same specifications as the original, ensuring a proper fit within the carburetor assembly without the need for adaptation. This set covers an extensive range of BTS L3 machines, making it the correct choice whether you are servicing a mid-range BTS 930 or the larger BTS 1140 L3. Sourcing a genuine Wacker Neuson replacement means you are restoring the fuel delivery system to its original operating condition with confidence.
Key Features
- Genuine OEM Membrane Material — Produced to Wacker Neuson's original compound specification, maintaining the correct flexibility and fuel resistance required for consistent carburetor function in demanding cut-off saw applications.
- Complete Set for a Full Service — Supplied as a matched set of casing and membrane components, so every wear-prone element in the assembly is replaced in a single service event.
- Broad BTS L3 Series Coverage — Confirmed fitment across BTS 930 L3, BTS 935 L3, BTS 1030 L3, BTS 1035 L3, and BTS 1140 L3 power cutters and cut-off saws — always cross-reference your machine and model number before ordering.
- Restores Proper Fuel Metering — A worn or cracked membrane disrupts fuel pulse pressure, causing hard starting, rough running, or loss of power under load; replacing it with part 5000206874 brings fuel delivery back to spec.
- Fuel System Integrity — The membrane acts as a barrier within the carburetor's fuel circuit; using a correctly rated OEM part helps prevent fuel leaks and the fire hazards associated with a compromised membrane in a high-vibration cutting environment.
The casing membrane set is a critical service component within the carburetor of BTS L3 series power cutters. The membrane pulses with crankcase pressure to draw and meter fuel through the carburetor circuit — when it stiffens, tears, or loses its seal against the casing, the engine struggles to start, runs erratically, or loses power mid-cut. Replacing the membrane and casing together as a matched set restores the correct pressure differential across the fuel circuit and returns the saw to smooth, responsive operation.
Part Details
| Part Number | 5000206874 |
|---|---|
| Old Part Number | 0206874 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Set-Casing, Membrane |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Power Cutter BTS 1035 L3 | BTS 1035 L3 | 5000008912, 5000008990, 5000610076, 5000610182 |
| Cut-Off Saws | BTS 1030 L3 | 5000008989, 5000610075 |
| Cut-Off Saws | BTS 930 L3 | 5000008987, 5000610073 |
| Cut-Off Saws | BTS 935 L3 | 5000008988, 5000610074 |
| BTS 1140L3 SAW | BTS 1140 L3 | 5000610063, 5000610078 |
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.