As of March 2015, a single GE replacement oven light costs $3.90 before tax and shipping, when ordering from RepairClinic.com. Sellers on Amazon.com offer a pack of two GE replacement oven light bulbs for $5.05.
Amazon.com also has GE replacement oven light bulbs in a pack of 12 for $15.55. These GE bulbs are an adequate replacement for ranges and ovens but can also be used in microwaves and refrigerators. Consumers can order the single bulb from the RepairClinic website or by calling 1-800-269-2609. RepairClinic.com also has a live chat function if consumer assistance is needed. The OEM part number for this GE bulb is 40A15.