BioLion SRM 266 Carburetor Kit for Echo Trimmers & Hedge Cutters | Air Filter Included

Overview

Upgrade your Echo maintenance with the BioLion SRM 266 Carburetor Kit. This complete tune‑up bundle is designed to fit a wide range of Echo 266‑series tools, including trimmers, hedge trimmers, and power pruners. The kit focuses on reliable air‑fuel delivery and dependable starts, helping you keep equipment ready for lawn care, seasonal work, or weekend projects without guesswork.

What’s included

• 1 carburetor (replacements to #Rb-K112, A021003831, A021003830, A021004710)
• 3 fuel lines
• 2 gaskets
• 2 primer bulbs
• 1 air filter + 1 pre‑filter
• 1 grommet
• 1 fuel filter
• 1 spark plug

Compatibility & fit

To ensure you’re choosing the right part, compare your engine number and the visual references in the listing. If you’re unsure, reach out for guidance—the goal is a precise match that supports smooth operation.

Why consider this upgrade

• Comprehensive kit supports a full tune‑up, replacing key wear items for consistent performance.
• Quality components are selected to minimize fuel line leaks, improve air intake, and promote reliable ignition.
• Better starting reliability can reduce downtime and make routine maintenance easier to manage.

Real‑world use cases

Perfect for seasonal maintenance before mowing season, after extended storage, or during tool prep for rental or shared use. Users often notice crisper starts, steadier idling, and smoother operation with regular part refreshes.

Important notes

Please verify your original engine number and compare our pictures with your old engine. If in doubt, contact us — we’re happy to help confirm compatibility.