Description
Overview:
This Genuine ECHO piston is a direct-fit internal engine component for the ECHO CS-501SX chainsaw. Built from durable aluminium alloy, it restores and maintains correct combustion and compression, helping the saw start reliably and deliver consistent cutting performance under load. As an OEM replacement for P021048650, it matches the original specification for fit and function in ECHO two-stroke chainsaw engines such as the CS-501SX and 501SX. Suitable for professional users and DIY maintenance, it is designed to withstand sustained high RPM and heat, supporting dependable operation during felling, pruning, and general cutting tasks. Choosing a genuine part helps protect engine tolerances, reduces the risk of premature wear, and keeps your saw performing as intended by the manufacturer.
Key Features:
- Genuine ECHO part for assured compatibility and quality
- Direct OEM replacement for P021048650 to simplify maintenance
- Durable aluminium alloy construction for strength and heat resistance
- Helps restore compression, power delivery, and throttle response
- Precision-made for the CS-501SX engine to maintain correct clearances
- Supports smooth running and reduced vibration when correctly installed
- Suitable for routine overhaul and repair of worn or scored pistons
- Designed for reliable performance in demanding cutting conditions
Typical Applications:
Used during engine rebuilds or repairs on ECHO CS-501SX chainsaws to resolve low compression, hard starting, loss of power, or excessive fuel consumption. Ideal for forestry, arborist work, farm and estate maintenance, landscaping, and firewood cutting where a dependable, efficient chainsaw is essential. Helps extend engine life and preserve cutting performance.
Also known as:
Chainsaw piston, ECHO CS-501SX piston, engine piston for ECHO chainsaw, cylinder piston for CS-501SX, OEM piston P021048650.
Fits Models:
501SX, CS-501SX, CS501SX
Alternate Part Numbers:
P021048650, ECP021048650
Product Specifications
| L&S Part No. | ECP021048650 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | ECHO |
| OEM No. | P021048650 |
| Unit of Sale | 1 |
| Fits Brands | Echo |
| Key Features | - Genuine ECHO part ensures compatibility with CS-501SX chainsaw - OEM replacement for P021048650 simplifies maintenance - Aluminium alloy construction offers strength and heat resistance - Restores compression and power delivery in two-stroke engines - Precision-made to maintain correct engine clearances |
| Fits Models | CS-501SX | 501SX |
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