VW-Audi Thermostat Mahle Behr 06B121111K

The Mahle Behr VW-Audi Thermostat (manufacturer part number TM 3 100 / TM3100) is a direct OE supplier solution for select Audi A4 and A4 Quattro models equipped with the 1.8L L4 engine. Precisely engineered to meet original equipment standards, this thermostat includes both housing and seal ring for efficient installation and optimal temperature control (100°C specification).

Key features:

• Manufacturer: Mahle Behr (OE supplier)
• OE part number: 06B 121 111 K
• Includes housing and seal ring for complete serviceability

Vehicle fitment (engine 1.8L L4 only; verify all fitment conditions):

• Audi A4 (Sedan, 2002 from chassis #8E-2-000001; 2003–2005)
• Audi A4 (Cabriolet, 2003–2006)
• Audi A4 Quattro (Avant & Sedan, 2002 from chassis #8E-2-000001; 2003–2005)

Note: Also use one WHT 006 407 water pipe o-ring for installation (as indicated per fitment detail).