1836 Sandwich Adapter 1″-16″ thread

Sandwich Adapter, 1″-16 thread  Designed to fit Dodge®/Cummins® diesel engines 1-5/8″ thick, 3/8″ NPT ports for use with 1/2″ oil lines. 2-1/2″ O-ring included. U.S. Patent 4,335,688

Perma-Cool® Sandwich Adapters are installed between the oil filter landing on the engine block and the oil filter to route the oil to a remote oil cooler. They are die cast from aerospace quality aluminum and machine finished on our CNC production line. O-Ring and illustrated instructions included. Fittings and AN adapter fittings sold separately.

Note: To identify the flow direction of the sandwich adapter, hold the adapter (o-ring groove side UP) in your hand with the ports facing you. The port on the left is the OUT, and the port on the right is the IN.