This plug fits into the OEM VAG coolant ports. Or if needed, the Nubworks weld on bung. Made from 6061 T6 aluminum, anodized purple. Use a 19mm or 3/4 wrench to hold it tight while mounting pressure sensors, or even a hose barb to cleanly tap into the cooling system for any accessory that might need a coolant source. *1/8th NPT comes with O-ring, and Brass Plug. M12x1.5 with O-Ring only, used only for sensors.

Mix and match multi pack, pick which QTY you want of either sensor and leave a note at check out of what you would like.