Cylinder Piston Kit For BR320 BR320L BR340 BR340L BR380 BR400 BR420 BR420C SR320 SR340 SR400 SR420 4203 020 1201 Material: metal and rubber components Performance: Optimized for at 105℃ Compatibility: Designed for a wide range of BR and SR models Durability: Constructed to endure temperatures and extended use Package Contents: Includes cylinder, piston, gaskets, seals, and a nitrile glove Installation: Comes with clear instructions for straightforward setup The Cylinder Piston Kit is engineered to deliver performance for garden power tools.Its construction supports efficient under demanding outdoor conditions, functioning effectively at temperatures up to 105℃.The complete set of gaskets and seals helps prevent leaks and supports consistent performance over time.This kit is compatible with multiple backpack blower models, including BR320, BR320L, BR340, BR340L, BR380, BR400, BR420, BR420C, SR320, SR340, SR400, and SR420.Its design allows for direct replacement, helping minimize downtime.Suitable for both professional and home use, this kit supports routine maintenance and performance restoration.Installation is designed to be user-friendly.The kit includes all necessary components—cylinder, piston, gaskets, seals, and a nitrile glove for hand protection—along with step-by-step instructions to guide the replacement process.This makes it a practical choice for restoring the function of compatible backpack blowers.This replacement part is independently produced.All brand references are for compatibility demonstration only.