Last 30 times longer then standard bulbs. 30,000 hour life expectancy. Replaces 566, 579, 904, 906, 916, 917, 918, 920, 921, 922 and 923. AP Products has been supplying the Recreational Vehicle industry with quality replacement parts since 1992. We offer hardware, lights, adhesives / sealants, braking system components, and a variety of other accessories.
