4223409C91 | Genuine International® / Navistar® Tractor Protection Valve

Description and Purpose:

This Genuine International / Navistar Tractor Protection Valve with Part number: 4223409C91, is new and keeps your trailer’s air brake system working smoothly. Think of it as the guardian between your tractor and trailer, making sure air flows correctly and stopping pressure loss if a trailer disconnects unexpectedly. Built to handle heavy-duty trucks, it’s reliable, tough, and ready to help your rig stay safe on the road.

Why Replacement is Important:

A worn or faulty TPV can lead to sudden brake issues, air leaks, or warning lights. Replacing it with a genuine valve ensures your braking system stays responsive and dependable.

Impact on Vehicle Performance:

With a proper TPV installed, your tractor-trailer maintains consistent air pressure, dependable braking, and safer operation, even under heavy loads and long hauls.

Manufacturer Information:

International® manufactures commercial trucks engineered for durability, efficiency, and reliable performance across long-haul, regional, and vocational applications.

Navistar® develops trucks and engines built for strength, fuel efficiency, and dependable operation in demanding commercial environments.

Tags & Category: Tractor Protection Valve, TPV, International, Navistar, Air Brake Valve, Trailer Protection Valve, Tractor-Trailer Air System, Brake System Component, Heavy Duty Truck, Truck Air Valve, tractor protection control valve, tractor protection valve, tractor protection valve diagram

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.