Differential Axle Breather Kit 170112 for Differentials Transmission Transfer Case 4髑? 4WD Accessories Replacement Part Number: 170112 Specification:Package Contents: The Differential Axle Breather Kit includes a Differential Axle Breather with Manifold, equipped with 4 ports for connecting up to 4 breather lines, along with an Air Filter Assembly featuring 7 air filter ports. The kit also contains Push-In Fittings, Plugs, Tubing, Screws, and Cable Ties for easy installation.Enhanced Design: Our 8 mm polyethylene pipe surpasses standard 6 mm pipes in performance. It allows for the connection of up to 4 air pipes and features 7 air filter ports, ensuring versatility and simple installation.Component Protection: The Differential Axle Breather Kit safeguards your drivetrain components from water contamination and damage. Its high-flow design, devoid of back pressure and vacuum, ensures optimal performance and longevity.Functionality of a Differential/Axle Breather: In a 4WD vehicle, a differential/axle breather plays a crucial role in venting air pressure from drivetrain components like differentials, transmission, and transfer case, preventing potential issues.Improved Design: The Differential Breather Kit addresses the limitations of factory breathers by offering a high-flow system with zero back pressure and vacuum, ensuring efficient operation and component protection.