Usage Tips: Lawn Mower Ignition Switch compatible with Z Quest Next Z, Toro Z Master, TimeCutter ZS Series for lawn mower tractor. Replaces part numbers 117-2221, 137-4100, 1172221, 1374100, 116-0229, 1160229, 430-120. 3 Position 5 Terminal switch controls three functions: STOP, ON, START. Features 5 terminals on the back. Made of high-performance ABS plastic and high-quality brass for durability, safety, and excellent conductivity. Easy to install: disconnect the wire connector, squeeze the tabs on the back of the switch and remove the old unit. Insert the new switch, connect the wiring, and push into place until the tabs click securely. Material: Plastic. Color: Black. Package includes: 1 x Ignition Switch, 2 x Keys. Product dimensions may vary slightly due to manufacturing tolerances. Color may vary slightly due to lighting and monitor settings. Measurement tolerance: +/- 1-3 cm.