Adapter for installing N3/N3H/S3/S3H sensors in S5 hole pattern (SAE-5 standard). Also fits VDO hole pattern. Internal thread 1¼". Outer diameter 80 mm.
NOTE need M5 screws with small head (set 160062).
If the tank lack threads it can be installed together with stainless steel Under ring (Part no. 163303 - screws included in this part no.).