NOS back up o-ring
P/N: 25043009, ZD9504300UNOS backup o-ring for teflon seal in front & rear suspension cylinders (rear only sedan), 36,5 x 42,8 x 3,6 mm. Citroën # ZD 9 504 300 U, 25 043 009. Cat. 648, Gr. 3, Subgr. 3-434, #12 - Cat. 648, Gr. 3, Subgr. 3-434/1, #20