The Wacker Neuson 0108125 Shaft Seal is a genuine OEM component 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 power cutters. As a direct OEM replacement, part 0108125 is manufactured to the same specifications as the original, ensuring a proper fit within the saw's crankshaft or drive assembly. Keeping this seal in good condition is essential to protecting the internal engine components and maintaining consistent cutting performance on concrete, asphalt, and masonry applications.
Key Features
- OEM Sealing Material Quality — Manufactured to original equipment specification, delivering the compression characteristics and chemical resistance required for a high-RPM gasoline cut-off saw environment.
- Direct Drop-In Replacement — Engineered to seat correctly in the original shaft bore position, requiring no modification to the housing or adjacent components during installation.
- Broad BTS Series Coverage — Confirmed fitment across the BTS 930, BTS 935, BTS 1030, BTS 1035, and BTS 1140 L3 model families, covering both standard and L3 low-emission variants.
- Protects Engine Internals — A functioning shaft seal prevents oil or lubricant from escaping the crankcase and blocks external contaminants — dust, debris, and moisture — from entering the engine, which is critical during heavy-duty cutting work.
- Fuel System Integrity — A failed shaft seal on a gasoline-powered cut-off saw can allow fuel vapors or oil to migrate where they should not, making timely seal replacement an important part of safe machine maintenance.
The shaft seal creates a dynamic, low-friction barrier where a rotating shaft exits a housing — in this case, within the engine assembly of the BTS cut-off saw. It retains oil or lubricant on one side while excluding dirt, dust, and moisture on the other, allowing the shaft to spin freely without leaking. When a shaft seal wears out or cracks, it typically causes visible oil weeping around the shaft, increased internal contamination, and over time, accelerated wear to bearings and other engine components. Replacing the 0108125 promptly restores the integrity of the sealing system and helps the saw run cleanly through demanding concrete and masonry cutting applications.
Part Details
| 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.
