2007 GM/Chev (HD) 4L80E, Truck Delivery, Transmission Assys, Fits to: Workhorse Custom Chassis W42, (Used) 2006 GM/Chev (HD) (AT), TRANSMISSION ASSEMBLY- Model: 4L80-E, Serial Number: 38727, Part Number: 24208421, Engine: GM/Chev (HD) 4.8, 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, Serial# 38727, Casting# 38727, Truck Year 2007 5B4KPD2V973431648