Info
Griffiths offers Porsche 924s, 944, 951, and 968 AC Driers. Our driers are R12 and R134a compatible for model years 1983-1995. Driers should be changed when you changing refrigerant types, oil types, the drier is over 4 years old, when their are signs of excessive moisture in the system (expansion valve sticking), signs of contamination such as debris or gelled oil, or you have had a compressor break down or lock up.