The XA_701L40110 is a genuine replacement rubber boot designed to protect the joystick mechanism in Saga L40 Series “belly-box” style transmitters. It prevents dirt, dust, moisture, and debris ingress into the joystick assembly, ensuring long-term operational reliability and tactile response. This boot is compatible with gated or non-gated joysticks and is field-replaceable, making it an essential maintenance spare for preserving transmitter performance. Weighing just 0.02_lb, it minimally impacts overall transmitter ergonomics. A CAD drawing is available for installation guidance.