If this part is defective, you should be able to get the warranty claim processed by your local GM dealership's service department, or any GM dealership nationwide with a dealership copy of …

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Pack of 1 ... GM Genuine Parts HID Headlamp Bulb with Ballast GM Part # 13594523 ACDelco Part # 13594523

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Headlamp Bulb with Ballast - GM (13594523) 2015-2021 GM - 13594523 MSRP: $336.68 Discount: $141.49 (42% off) Sale Price: $195.19 OR Add to Cart