THREAD SEALANT (LOCTITE 638) is a genuine KTM ADVENTURE 390cc seal from the CYLINDER HEAD assembly, catalogued for KTM ADVENTURE 390 2021. It is supplied to original-equipment specification for a precise, hassle-free fit on 2021 models.

Ordering by part number 31101239 guarantees you receive the exact item shown. Not sure it fits your bike? Contact us and our team will confirm compatibility before you buy.