BW4470 Remanufactured Transfer Case

The Zumbrota Drivetrain BW4470 Transfer Case is a remanufactured unit specifically designed for GM 97-00 K3500 models. This transfer case is built to meet stringent quality standards, ensuring reliable performance and durability for your vehicle. Each unit undergoes a comprehensive remanufacturing process. This includes thorough quality inspections at every stage, a state-of-the-art hydro blasting and rinsing process for the cases to restore them to their original OEM finish, and a 100% replacement of common wear components such as seals, bearings, and viscous couplers where applicable. The transfer cases are shipped in high-density plastic totes to minimize the risk of in-transit damage. Key technical specifications include bolt-on front and rear output yokes, a 3-prong shift indicator switch, and a PTO opening. The unit also accommodates specific tag numbers (15024386, 15733772, 15963370, 15997309) and Hollander numbers (412-306B), along with other numbers like UMT121-1, ensuring compatibility with specific GM applications. This remanufactured transfer case offers a quality and cost-effective solution for replacing a failed unit.