MEI 1690 A/C Expansion Valve for International Navistar Trucks

The MEI 1690 is a block-type air conditioning expansion valve designed specifically for International Navistar heavy-duty truck applications. This flange-mount expansion valve is engineered to regulate refrigerant flow in truck A/C systems, ensuring optimal cooling performance and system efficiency.

Key Specifications:

• Valve Type: Block/flange mount design
• Refrigerant Type: R134a compatible
• Hose Side Inlet: #8 fitting (1/2")
• Hose Side Outlet: #10 fitting (5/8")
• Evaporator Side Inlet: #8 fitting (1/2")
• Evaporator Side Outlet: #10 fitting (5/8")
• Tonnage Rating: 2 ton capacity
• Superheat: 4 degrees
• Weight: 0.40 lbs

OEM Cross References: This expansion valve replaces Navistar OEM numbers 3857948-C2, 3857948-C3, 3857948C2, 3857948C3, and 1000227147. Also cross-references to Egelhof 325503T, Truck Air 12-0806A, and Bergstrom 1000227147.

The MEI 1690 features O-ring style connections for reliable, leak-free installation and is compatible with Navistar ProStar, DuraStar, LoneStar, TerraStar, WorkStar, and TransStar truck models. This expansion valve provides precise refrigerant metering to maintain proper system pressures and temperatures in heavy-duty truck air conditioning systems.