TracTuff M28 to AN Adapter

The M28 x 1.0 to male flare adapter is a direct screw in port adapter for the K Series block water drain just above the oil filter mount and/ or any other passage you might find that has an M28 x 1.0 thread and uses a crush washer to seal.

Originally offered for my customers that are using my Extreme Clearance Water Neck kits on blocks that are also using an OEM oil cooler or my water pump/ block port adapters and are looking for a way to get water to their heater core or a water cooled accessory. 

Please consider the k series thermostat port adapter or the k series water passage adapter to complete the coolant loop. Either of those products would provide you with a return/ suction.

NOTE: Made to Order - Please allow 48-72 hrs. for this product to ship. Due to the low demand and various connection options... these are machined and welded on request. This product requires the use of the Honda crush washer (90401-PR4-000) and you will want to paint or plate the part to keep it from rusting. If you are not using the OEM oil cooler or my water pump/ block port adapters, you can use my less expensive M18 option that threads inside that same port.