1612 International A/C Air Conditioning Expansion Valve Parts Immediate Availablity Will Vary. Please Contact For Lead Time Before Purchasing. A/C Block Type Expansion Valve # 1612 For International Trucks. Hose Side- In: #6 Flange Mount, Out: #10 Flange Mount. Evaporator Suction Side- In: #8 Flange Mount, Out: #8 Flange Mount With 2 Service Ports. 25017941C1. OEM PNO: 2501794C92. SKU #1612.