4038718C91 | Genuine International® Height Control Leveling Valve

Functions: 
Ride height control: The primary function is to maintain a consistent vehicle height, regardless of the load.   
Air pressure regulation: It controls the flow of air to and from the air springs, adjusting the vehicle's height accordingly.
Stability enhancement: By maintaining a consistent ride height, the leveling valve improves vehicle stability and handling.
Load leveling: When the vehicle is loaded or unloaded, the leveling valve automatically adjusts the air pressure to compensate for the change in weight, ensuring a level ride.

This part, suspension height adjustment valve, is essential for maintaining a stable vehicle height, regardless of load. It automatically adjusts the pressure in the air springs, ensuring a smooth ride and improving stability and handling. This allows the vehicle to be maintained at an optimal level during loading or unloading, which increases safety and driving comfort.

Navistar International Corporation, an American company, manufactures a wide range of vehicles, including trucks, buses, and defense vehicles, along with engines. It's the first to be EPA-certified for meeting 2007 standards. They also provide high-quality replacement parts and accessories, ensuring top performance. Navistar is actively developing electric and hybrid solutions for transportation, serving logistics, construction, and public transport sectors.