Description Transfer Case Encoder Ring for 2003-2007 GM 6.6L Dorman # 600-120 Dorman’s Transfer Case Encoder Ring offers a cost-saving alternative to installing an entirely new motor. Now you can replace only the failed ring, making repair more affordable. Replacement effectively returns the four-wheel drive (4WD) to proper function restoring communication with the transfer case module. Direct replacement for a proper fit Replace just the defective part, not the entire assembly Durable plastic housing protects internal components Easy to install
