Ford F-150 4x4 Actuator Replacement For Ford F-150 F-250 Lobo Lincoln Navigator 4WD Vacuum Compatible With 1997-2004 Ford Trucks Fitmengt--Fit for: F-150 1997-2003; F-150 Heritage 2004; F-250 1997-1999; Expedition 1997-2002; Lobo 1998-2003; Lincoln Navigator 1998-2002 4WD Actuator Vacuum Check Valve High Matching--This 4wd vacuum actuator is designed to match and replace original parts, fix problems caused by original actuator failures, and ensure normal driving of the vehicle A Preiu Transfer Case Shift otor Actuator Copatible With Ford... Product Usage: This product is one of the parts of 4WD drive system, which helps the normal operation of 4WD drive system and control the vehicle, used to replace the original parts to ensure the normal and safe operation of the vehicle. Vapor Canister Purge Valve For Ford F-150 F-250 Expedition Lincoln Easy Installation--Direct replacement of the original actuator without additional accessories to assist with installation.