Best ignitor I've ever used. Not OEM. I personally use these ignitors, just replaced mine after 3 plus years of use.

110 volts 300 watt rating. 9mm x 100mm or approx. .31" x 4".
OEM#80481, Fits King 5500,5500m,5502m,5510,5500xlt,5700. Other units 2400, 2402, 6041. Also fits other common pellet stoves and popular brands.
Compare to $130.00 OEM REPLACEMENT PART.