Generation Allison Transmission valve body LCT 1000/2000/2400 Series Comes complete with 7 solenoids, pressure switch and harness ALLISON Models: 1000 Series, 2000 Series, 2400 Series Casting #: 29539798 / 29539802 Will work in: GMC, Chevy, Model: 1000, 2500HD, 3500HD, Silverado; Engine: 6.6L Duramax Diesel Free fast shipping Lifetime warranty No core charge At Valvebody Factory we strive to provide the parts you need for your car or your auto business. I cannot refund items, but they may be eligible for an exchange. If a part arrives damaged from shipping please notify within 48 hours of receiving it so I can send you a replacement. It is recommended that you double-check your order before placing it. I am not responsible for incorrect orders. You may call or email to verify that the part you want is for the correct vehicle. The transmission number should be located on the vehicles door tag. Please keep in mind that the vehicles sometimes have multiple issues. Therefore, I am not responsible for the part not fixing the entire issue. To reduce this possibility, I recommend hiring an experienced transmission technician to install the parts