The Eaton 3970480 Transmission Reverse Switch Assembly is a high-quality part designed specifically for heavy-duty trucks. Manufactured in the United States, this switch assembly is backed by a 1-year warranty and is interchangeable with part numbers 3970480, FUL4302748, 4302748, and 900390. Eaton's reputation for producing reliable automotive parts ensures that this product is a durable and dependable choice for your vehicle.