ECS News - MK1 Audi TT 180HP Thermostat Replacement Kit
How To: Replace Thermostat Housing - 2.0 TFSI | Audi TT Forum
AUDI TT 8J AUDI A3 8P 2.0L TFSI ENGINE COOLANT THERMOSTAT HOUSING 06F 121 111 F | eBay
Thermostat Compatible with 1997-2002 Audi A4, Audi A4 Quattro 2000-2006 Audi TT, Audi TT Quattro 1998-2005 Volkswagen Beetle 1999-2006 Volkswagen Golf 4Cyl 1.8L Stainless Steel - Walmart.com
How to replace thermostat on a 1.8T (Audi TT) - YouTube
Engine Coolant Thermostat Housing Cover W/ Oring & Thermostat For Audi TT VW | eBay