OXYGEN SENSOR 12604575/ 213-3908 OXYGEN SENSOR 12609457/ 213-4229 NARVA FLASHER UNIT 24V 2 PIN$ 19.85 Add to cart Category: Suitable for indicator and hazard warning systems. Non load sensitive type. Maximum load: 10 x 21 watt globes. NB: For L.E.D applications use P/No. 68252BL with modification to the loom