This is the adapter to put a later model or S model oil cooler on a 1997 engine. List price is now
about $190 new.
Associated Part Numbers: 996 107 129 00, 996-107-129-00, 996-107-129-00-OEM, 996.107.129.00, 99610712900
"Porsche Heat Exchanger Mount Plate"
'Gently used' and fully functional. Comes with 4 New o-rings to install the adapter.
Your new oil cooler will need 4 more o-rings. Pretty sure the part numbers are 99970740940 (26 x 3mm) & 99970738940 (35 x 4mm), but I am occasionally wrong.
$75 shipped. USA addresses only.