42 Draft Designs VW mk4 1.8T Water Temp Adaptor is designed specifically for VW Golf Mk4 '99-'06 & Jetta '99-'05 models. Use this 42 Draft Designs exclusive adaptor to install a water temp gauge and sender in your mk4 1.8T! The 42DD adaptor sandwiches 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.
Please confirm the thread pitch of your aftermarket sender before ordering. This kit is designed to use an 1/8" NPT aftermarket sending unit.