The Wacker Neuson 5000108125 is a genuine OEM Shaft Seal designed for the BTS series gasoline cut-off saws, including the BTS 930, BTS 930 L3, BTS 935, BTS 935 L3, BTS 1030, BTS 1030 L3, BTS 1035, BTS 1035 L3, and BTS 1140 L3 models. As a genuine Wacker Neuson OEM part, the 5000108125 is manufactured to the exact tolerances required for proper sealing in these high-speed cutting applications. This Shaft Seal is a direct-fit replacement that installs in place of the original component without modification. If your cut-off saw is showing signs of oil leakage, drag, or excessive wear around the shaft, replacing the Shaft Seal promptly protects the engine and drivetrain from further damage.
Key Features
- OEM-Spec Sealing Material — Manufactured to Wacker Neuson's original material grade and compression spec, ensuring effective containment of lubricants under high-RPM cut-off saw operating conditions.
- Direct-Fit Replacement — Dimensioned to match the original shaft housing geometry on BTS series saws, seating correctly against the shaft without reworking or shimming.
- Broad BTS Series Compatibility — Confirmed fitment across BTS 930, BTS 935, BTS 1030, BTS 1035, and BTS 1140 L3 cut-off saw models, covering both standard and L3 variants.
- Protects Critical Engine Components — A functioning Shaft Seal keeps lubricants in and contaminants out; a failed seal allows dust and debris ingestion that accelerates bearing and crankshaft wear in demanding cutting environments.
- Genuine Wacker Neuson OEM Part — Supplied under part number 5000108125, this is the same component installed at the factory, ensuring consistent performance across the BTS power cutter line.
A shaft seal is a precision ring that closes the gap between a rotating shaft and its housing, preventing lubricating oil from escaping and blocking abrasive dust or moisture from entering the engine internals. In a gasoline cut-off saw like the BTS series, the shaft seal is subjected to continuous high-speed rotation and significant heat, making material integrity critical to long service life. When a shaft seal fails, oil loss leads to rapid bearing wear and can result in engine seizure, making timely replacement essential to keeping the saw cutting at full performance.
Part Details
| Part Number | 5000108125 |
|---|---|
| Old Part Number | 0108125 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shaft Seal |
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 935 L3 | 5000008988, 5000610074 |
| Cut-Off Saws | BTS 930 L3 | 5000008987, 5000610073 |
| Cut-off Saw with 20mm Arbor | BTS 930 | 5000008340 |
| Cut-off Saw with 1in Arbor | BTS 935 | 5000008341 |
| Cut-off Saw with 20mm Arbor | BTS 1030 | 5000008339 |
| Cut-off Saw with 1in Arbor | BTS 1035 | 5000007975 |
| 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.