Description
Overview:
This Genuine ECHO piston ring (OEM No. A101000700) is a critical engine component for maintaining compression and overall performance in ECHO top-handle and rear-handle chainsaws. Made from high‐grade steel and manufactured to precise OEM tolerances, it seals the combustion chamber to minimise blow‐by, protect the cylinder, and help the engine deliver consistent power and fuel efficiency. It is designed for ECHO chainsaws including the CS-2511TES and CS-2510TES, making it a dependable choice for routine servicing or a rebuild. A correctly fitted ring supports reliable starting, stable idle, and clean cutting under load. As a genuine part, it offers accurate fitment and long service life when used with a sound piston and cylinder, helping keep professional and home users working with minimal downtime.
Key Features:
- Genuine ECHO part for assured compatibility and quality (OEM No. A101000700)
- Designed to restore and maintain cylinder compression for strong cutting performance
- High‐grade steel construction for wear, heat, and scuff resistance in 2‐stroke use
- OEM-accurate sizing for correct end gap and sealing
- Supports easier starting and smoother idle when the engine is in good condition
- Helps improve fuel efficiency by reducing blow‐by and loss of power
- Durable choice for frequent professional use and regular maintenance cycles
- Straightforward to fit for experienced users with basic workshop tools
- Suitable replacement during top‐end service, de‐coke, or cylinder refresh
Typical Applications:
Used during engine maintenance or top‐end repairs on ECHO chainsaws to recover lost compression, power, and throttle response. Ideal for saws used in arboriculture, landscaping, forestry, storm damage work, grounds maintenance, and domestic firewood preparation. Recommended whenever the original ring shows wear, scoring, sticking, or reduced sealing.
Also known as:
Compression ring, piston sealing ring, cylinder compression ring, engine piston ring, top ring for 2‐stroke chainsaws, ECHO engine ring, replacement compression ring for ECHO petrol chainsaws.
Fits Models:
250TCS, 250TS, 251TCS, 251TS, 251WS, CS-2510TES, CS-2511TES, CS-2511WES
Alternate Part Numbers:
A101000700
Product Specifications
| L&S Part No. | ECA101000700 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | ECHO |
| Unit of Sale | 1 |
| Applications | 250TCS, 250TS, 251TCS, 251TS, 251WS, CS-2510TES, CS-2511TES, CS-2511WES |
| Machine Type | Chainsaws |
| Fits Brands | Echo |
| Fits Models | CS-2511TES | CS-2510TES | CS-2511WES | 251TCS | 251TS | 250TCS | 250TS | 251WS |

