Important Details

Use our exclusive adaptor to install a water temp gauge and sender in your mk4 1.8T! Our adaptor sandwhiches between the factory coolant flange and the head allowing the installation of an 1/8" NPT water temperature sender. The adaptor is precision machined from 6061 aluminum for a perfect, leak free fit. Included with the adaptor are two OEM seals and stainless steel hardware.

Fitting Details
1/8" NPT female threads
Uses OEM seal (2 included)
M6 stainless steel hardware
Fits 1999.5 - 2006 mk4 Jetta, Golf, GTI 1.8T engine

Please confirm the thread pitch of your aftermarket sender before ordering. This kit is designed to use an 1/8" NPT aftermarket sending unit.

Installation Instructions