Auto Hub Lock Vacuum Line Tube Check Valve & Vacuum Solenoid Valve Fit for Ford F150 Expedition for Lincoln Navigator, Replace 926-390, FL3Z3A788B, FL3Z-3A788-B-1, FL34-7A788-AD
Fits for Ford F150 2015-2020; for Ford Expedition 2018+; for Lincoln Navigator 2018+.
Function: To ensure that the vacuum control components in the four-wheel drive system are working properly, thus improving the performance and flexibility of the vehicle in different road conditions.