12V Replacement Headlight Bulb – Z50 K1–78, CT70 K0

This 12V replacement bulb is perfect for Z50 K1–78 and CT70 K0 models when upgrading from a 6V to a 12V electrical system. It also fits our CT70 K1–78 Replacement Lens Headlight with Removable Bulb (1972–1978) seen below, making it a great choice for lighting upgrades on later CT70 models equipped with that headlight. Bright, reliable, and easy to install—this bulb helps complete your 12V conversion the right way.