3554537C1
VALVE, PROPORTIONING AIR
Navistar International®

The proportioning air valve is designed to optimize the performance of pneumatic systems in vehicles, particularly in air brake applications. This valve regulates the flow of air, ensuring that the braking system operates smoothly and efficiently. Its robust construction allows it to withstand high-pressure conditions, while its precise engineering ensures optimal air flow and pressure regulation. The proportioning air valve is essential for maintaining the integrity of air brake systems, providing peace of mind for operators. Its user-friendly design facilitates easy installation and maintenance, making it a practical choice for many applications.

With a legacy of innovation and excellence, Navistar International Corporation has become a trusted name in the production of heavy-duty vehicle components. The proportioning air valve is designed to optimize the performance of pneumatic systems in vehicles, particularly in air brake applications. This valve regulates the flow of air, ensuring that the braking system operates smoothly and efficiently. Navistar's expertise in engineering durable solutions is reflected in the robust construction that withstands high-pressure conditions. By focusing on quality and innovation, Navistar continues to support operators in maintaining efficient and effective vehicle operations.

Models compatible with this part number include:

• - Linehaul Transport
• - ProStar Linehaul Conventional Limited
• - 7500 Severe Service Trucks (built on 7/1/01 & later)
• - Regional Haul
• - 4400 Medium Trucks
• - HV with Medium Duty Engines
• - HV with Heavy Duty Engines
• - 8600 Heavy Tractors
• - LoneStar Linehaul Conventional
• - Medium Vocational
• - 7300 Severe Service Trucks (after 10/1/01)
• - 9400 Premium Conventional (built on 3/15/96 & later)
• - ProStar Linehaul Conventional
• - 8500 Heavy Tractors
• - 7400 Severe Service Trucks (built on or after 7/1/01)
• - 9900 Premium Conventional (built on or after 3/15/96)
• - 4300 Medium Trucks
• - 7600 Severe Service Trucks (after 4/1/02)
• - 2500 Heavy Service Trucks (built on 1/16/98 & later)
• - 8100 Heavy Tractors (after 1/16/98)
• - 9200 Premium Conventional (built before 3/15/96)
• - ProStar Linehaul Conventional Premium
• - 9100 Premium Conventional

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