Oil cooler sandwich / adapter

Oil filter sandwich that is inserted between engine block and oil filter.

There are threaded pieces that fit on many cars, the threaded pieces are 20x1.5mm and JIC 3/4 UNF.

Diameter of O-ring gasket AN8:
Exterior 70mm.
Inside 63mm.

Diameter of o-ring gasket AN10:
Exterior 74mm.
Inside 63mm.

JIC 3/4 UNF
VW, Renault Alpine, Opel, Ford, BMW

M20x1,5
Honda, Subaru, Peugeot, Citroen, Renault, Mazda, Mitsubishi, Nissan.

Oil filter sandwiches are typically used in connection with the installation of oil coolers.