Genuine VW Volkswagen Diesel Emissions Fluid Heater - 7P6198970B - This genuine VW Volkswagen diesel emissions fluid heater is designed to help reduce emissions from diesel engines. It is a direct replacement for the original heater, and is made to the same specifications as the original. It is designed to fit the following models: VW Golf, VW Passat, VW Jetta, VW Tiguan, VW Touran, VW Amarok, VW Caddy, VW T5, VW Sharan, and VW Eos.