(Used) 2015 GM/Chev (HD) (AT), TRANSMISSION ASSEMBLY- Model: 6L90, Serial Number: 24257187, Part Number: 24263936, Engine: GM/Chev (HD) 6.0L, Reference images for condition. For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921