The JCB 40002941 is a genuine OEM seat contact switch designed for various JCB machinery, including 3CX and 4CX backhoe loaders, 531-70, 535-95, 540-140, and 540-170 telescopic handlers, and 3230, 4220, and 8330 Fastrac tractors. This essential safety component detects operator presence in the seat, enabling critical machine functions and preventing operation when unoccupied. It features a 2-pin connector for reliable electrical integration.