Description This high-quality Piston Ring (SKU: EC0009) is a direct replacement for Echo 4200 models, ensuring a precise fit and reliable compression. Manufactured to OEM specifications, it restores engine performance and extends the life of your outdoor power equipment. Ideal for professional and home use, this durable ring is an essential part for maintaining peak engine efficiency. Features OEM-grade construction for long-lasting durability and heat resistance. Precision-engineered to match original Echo 4200 specifications for easy installation. Restores compression and reduces oil consumption, improving overall engine performance. Specifications SKU EC0009 Title Piston Ring - Echo 4200 Fits Echo 4200 Chainsaw Echo CS-4200ES Echo CS-4200 Product Line Engine Parts – Replacement piston rings for Echo chainsaws and outdoor power equipment.