2009 GM/Chev (HD) 4L80E, Truck Delivery, Transmission Assys, Fits to: Workhorse Custom Chassis W42, (Used) 2008 GM/Chev (AT), TRANSMISSION ASSEMBLY- Model: 4L80E, Serial Number: 34963 Part Number: 24208421, Engine: GM/Chev (HD), 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# 34963, Casting# 34963, Truck Year 2009 5B4JPD28993436583