#DTP1044: GM Lube-Gard Automatic Transmission Protectant Click to see enlarged photo... GM automatic trans friction modifier. This is the stuff GM installed in your 4L80E from the factory-its wonderful. Click to print product brochure... Click to E-mail this page... Catalog Number 1 DTP1044 $17.00 Brand: DTP Performance Supported models: GM8293, GM9293, GM9495, GM9601 Web site: www.lightdutytruckparts.com Weight: 1 lb. For more information or to order this item call:  720-685-9370      "#1 for truck parts" want to speak to a real human being?    720-685-9370