Direct replacement - this 4WD vacuum check valve is engineered to match the fit and function of the original valve Ideal solution - manufactured to precise specifications to help restore and ensure proper vacuum levels to the 4WD system when the original valve has failed Durable construction - made of quality materials for reliable performance and service life Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool