20 X 5 O-Ring AOS Seal

<p>20mm X 5mm o-ring. It fits 1983 upper and lower oil filler bottle. On the 1983 model year you will use 2 of this size for your oil filler bottle. For all other years you will use one of this size and one 24x5 O-ring.This Will Fit The Following :1983 944 use 2 of this size.1984 - 1991 944 All Models1986 - 1988 924S All Models1992 - 1995 968 All Models</p>