The Wacker Neuson Cylinder With Piston is a genuine OEM assembly designed for the BTS 1140 L3 power cutter. Sourced directly from Wacker Neuson, this assembly maintains the exact tolerances and material specifications of the original component, ensuring the engine performs as it was built to. Compatible with both the BTS 1140 L3 saw and the BTS 1140 L3 power cutter configurations, part number is the correct direct replacement when cylinder or piston wear requires service.
Key Features
- OEM-Matched Bore and Piston Tolerances — Genuine Wacker Neuson construction ensures the cylinder bore and piston clearances meet original engine specifications, sustaining proper compression and power output.
- Drop-In Assembly Replacement — Supplied as a matched cylinder and piston unit, this assembly installs directly in place of the original without the need to source and pair individual components.
- Confirmed Fit for BTS 1140 L3 — Verified compatibility with BTS 1140 L3 saw and BTS 1140 L3 power cutter variants; use part number 5000213139 to confirm your application before ordering.
- Restored Compression and Cutting Power — A worn cylinder or piston causes loss of compression, hard starting, and reduced blade speed; replacing this assembly restores full engine output and consistent cut performance.
- Fuel System Integrity — A correctly sealed cylinder-piston assembly maintains the air-fuel mixture ratio the carburetor is calibrated for, preventing rich running and excessive fuel consumption.
The cylinder and piston are the core of a two-stroke engine's power-generating cycle. The piston travels up and down inside the cylinder bore, compressing the air-fuel mixture and transferring combustion force to the crankshaft. Over time, the cylinder bore can develop scoring and the piston rings lose their seal, causing compression to drop, the engine to lose power, and starting to become difficult. Replacing the Cylinder With Piston as a matched assembly restores the tight tolerances needed for reliable ignition and strong, consistent power delivery on every cut.
Part Details
| Part Number | 5000213139 |
|---|---|
| Old Part Number | 0213139 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cylinder With Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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.