Edgewater Parts 8186287 Halogen Bulb Compatible With Whirlpool Microwave Oven 8186287 Halogen Bulb For Whirlpool Microwave Oven 5 Watts 12 Volts 1 13/16 Replaces W10440740, 4375348, 8186287, PS11754756, B00JSZ1O8A, B0053F9Q98, B00L4GC9W6, B001DHLCJ2. 1 Year Warranty