TRUCKTEC Automotive thermostat, coolant, part number 07.19.377. The manufacturer?s catalog identifies the exact TRUCKTEC number and links it to OE number 7E0 121 113 B. This listing is for an aftermarket thermostat in the Thermostats category. Use MPN 07.19.377 when comparing catalogs or confirming stock. The product image is displayed with the exact manufacturer catalog entry. No housing, temperature setting, package quantity, warranty, or OEM status is verified here. This record identifies the product as a coolant thermostat rather than a complete housing assembly. Confirm the required OE reference and vehicle application before ordering.