The Wacker Neuson Carburetor Diaphragm Kit for BTSs is a genuine OEM service kit designed for the BTS series gasoline cut-off saws, including the BTS 930, BTS 935, BTS 1030, and BTS 1035 families. As a direct Wacker Neuson OEM part, is manufactured to the same specification as the original components fitted at the factory, ensuring correct fit and function across all compatible BTS models. This kit covers the full range of BTS L3 variants as well as earlier BTS 11, BTS 13, BTS 930, BTS 935, BTS 1030, and BTS 1035 machines, making it the go-to carburetor diaphragm service solution for this saw family. Keep one on hand as part of a routine carburetor rebuild to maintain consistent fuel delivery and starting performance.
Key Features
- OEM Diaphragm Material Grade — Genuine Wacker Neuson diaphragms are produced to the correct fuel-resistant material specification, maintaining the flex and seal integrity the carburetor requires for accurate metering.
- Drop-In Carburetor Service Fit — All diaphragm components in this kit are sized and shaped to seat correctly within the BTS carburetor body, with no trimming or adaptation needed during installation.
- Broad BTS Family Coverage — Fits BTS 930, BTS 935, BTS 1030, and BTS 1035 models across both standard and L3 configurations, including BTS 11 and BTS 13 saws.
- Restores Fuel Delivery Consistency — A worn or cracked carburetor diaphragm causes hard starting, rough running, and fuel starvation under load; replacing it with this kit brings fuel metering back to spec.
- Fuel System Integrity — Correct diaphragm condition is essential to preventing unmetered fuel delivery in a handheld cut-off saw, supporting safe, controlled engine operation on the cut.
The carburetor diaphragm is a flexible membrane inside the carburetor that responds to engine vacuum and pressure pulses to draw fuel from the tank and deliver it to the engine at the correct rate. On a cut-off saw like the BTS series, where the tool is operated at varying angles and under sustained load, a correctly functioning diaphragm is critical to smooth throttle response and reliable starting. When the diaphragm stiffens, tears, or develops pinholes — a common result of fuel exposure and heat cycling — the engine will struggle to start, run erratically, or cut out under load. Replacing the diaphragm and associated gaskets with the Wacker Neuson 5000063480 kit restores the carburetor's ability to meter fuel accurately across the full operating range of the saw.
Part Details
| Part Number | 5000063480 |
|---|---|
| Old Part Number | 0063480 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Carburetor Diaphragm Kit for BTSs |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Power Cutter BTS 1035 L3 | BTS 1035 L3 | 5000008912, 5000008990, 5000610076 |
| Cut-Off Saws | BTS 1030 L3 | 5000008989, 5000610075 |
| Cut-Off Saws | BTS 930 L3 | 5000008987, 5000610073 |
| Cut-Off Saws | BTS 935 L3 | 5000008988, 5000610074 |
| Cut-off Saw with 20mm Arbor | BTS 930 | 5000008340 |
| Cut-off Saw with 1in Arbor | BTS 935 | 5000008341 |
| Cut-off Saw with 1in Arbor | BTS 1035 | 5000007975 |
| Cut-off Saw with 20mm Arbor | BTS 1030 | 5000008339 |
| Cut-off Saw with 1in Arbor | BTS 13 | 5000007338 |
| Cut-off saw with 7/8in Arbor | BTS 11 | 5000007421 |
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.
