The Wacker Neuson 5100010353 Crankcase is a genuine OEM component designed for BTS635s and BTS 635s gasoline cut-off saws. As a direct Wacker Neuson OEM part, the 5100010353 is manufactured to the same specifications as the original, ensuring a proper fit within the engine assembly. This crankcase is verified for compatibility across the BTS 635s cut-off saw series, making it the straightforward choice when rebuilding or repairing a worn or damaged engine housing.
Key Features
- Genuine OEM Structural Integrity — Cast and machined to the same tolerances as the original crankcase, maintaining correct bearing bore alignment and sealing surface geometry critical to two-stroke engine performance.
- Direct-Fit Engine Housing — Engineered to accept all original mounting points, seals, and internal components without modification, supporting a straightforward engine rebuild.
- Confirmed BTS 635s Compatibility — Verified fitment across the BTS635s and BTS 635s gasoline cut-off saw series, including multiple machine configurations within that family.
- Sustains Proper Engine Sealing — A sound crankcase maintains the pressure differential essential for two-stroke fuel-air mixture delivery; a cracked or warped housing causes hard starting, power loss, and eventual seizure.
- Fuel System Safety — A correctly sealed crankcase prevents fuel vapor migration into unintended areas of the saw, which is especially relevant in a tool operating near cut materials and open environments.
The crankcase is the structural core of the cut-off saw's engine, housing the crankshaft, bearings, and the sealed chamber that the two-stroke combustion cycle depends on. In a two-stroke engine, the crankcase itself forms part of the induction system — it must hold pressure and remain airtight for the engine to draw in and transfer the fuel-air mixture correctly. When the crankcase cracks, warps, or develops a compromised sealing surface, the engine will typically exhibit hard starting, erratic idling, a significant drop in cutting power, or fail to run altogether. Replacing a damaged crankcase with the correct OEM part restores the engine's structural foundation and brings the saw back to its original operating condition.
Part Details
| Part Number | 5100010353 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Crankcase |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BTS635s | BTS635s | 5100005408 |
| Cut-Off Saws | BTS 635s | 5100005411, 5100005409 |
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.
