Compatibility: Perfectly fits for 2015-2020 Ford F150, fits for Lincoln Navigator2018+, fits for Ford Expedition 2018+
Replace Part Number: 926-390 FL3Z-3A788-B FL34-7A788-AD FL3Z3A788B FL3Z-3A788-B-1 FL3Z-3A788-A
Perfectly Solve 4WD Problems: The vacuum check valve kit solves front end rattling and pulls 4WD into place, allowing your vehicle to run smoothly and quietly. Timely replacing check valves can help prevent wheel grinding and more costly repairs
Reliable and Durable: Through precision engineering design, BOQNZN vacuum check valves is made of high quality plastics and rubbers, which are long lasting and high temperature resistant, and can withstand all kinds of road conditions and driving styles, maintaining stable performance and ensuring a longer service life
Easy to Replace: The design and function are comparable to the original, ensuring perfect fit and compatibility, no need to spend more money on hiring professionals, you can easily install this kit in 10 minutes, saving time and labor