F 350 4WD Pickup V8-351 5.8L VIN H EFI (1997)
Refrigerant Oil: Fluid Type Specifications
With FS-10 Compressor
FS-10 COMPRESSOR
Refrigerant Oil ......................................................................................................................... Motorcraft YN-12B F2AZ-19577-AC WSH-M1C231-B
With Sanden Compressor
Refrigerant Oil .............................................................................................................................................................. F4HZ-19577-A WST-M1C23L-B2