Kenmore LED Replacement Bulb 20-5240, 5240 Powermate, Progressive 4370018 Replaces Kenmore part # 20-5240 and # 5240 and 4370018. Replaces Kenmore part # 20-5240 and # 5240 and 4370018. Replaces Kenmore part # 20-5240 and # 5240 and 4370018. 130 Volts Life Hours: 50,000 (equal to over 33 standard bulbs) In addition to having a 50,000 hour life, this LED bulb is not affected by vibration which decreases the life of standard light bulbs.