The STIHL 42556706600 Pump Tube is a genuine OEM replacement part specifically designed for various STIHL SG series manual sprayers. This essential component facilitates the correct flow of liquid within the sprayer's pump system, which is crucial for maintaining optimal performance and reliability during operation. It is compatible with a comprehensive range of STIHL SG models, including SG 10, SG 11, SG 20, SG 21, SG 30, SG 31, SG 50, SG 51, SG 70, SG 71, and their respective 'PLUS' variants.