Motorad 475-190 Engine Coolant Thermostat

OE-Style 190°F Thermostat for VW and Audi

The Motorad Standard 475-190 engine coolant thermostat is built for OE-specified 190°F operation in a wide range of Volkswagen and Audi cooling systems. It uses OEM-quality materials and manufacturing processes to deliver consistent coolant temperature control for daily driving and demanding service conditions.

With a copper case and wax compound, this thermostat is engineered for quick reaction to coolant temperature changes. The offset design and air relief valve support proper system operation where applicable, making the Motorad 475-190 a direct-fit choice for many Volkswagen Jetta, Golf, Beetle, Passat, and Audi A4 applications.

Key Features

• Standard engine coolant thermostat with a 190°F start-to-open temperature
• OEM-specification construction and OE supplier manufacturing standards
• Copper case and wax compound for responsive temperature regulation
• Offset design and air relief valve included where applicable
• Sealing flange outside diameter: 2.13 in
• Height between flanges: 1.17 in
• Overall height: 1.67 in
• Flange thickness: 0.05 in
• No gasket or seal included
• No jiggle pin weep hole

Detailed Description

Motorad Standard part number 475-190 is an engine coolant thermostat designed to maintain the OE-specified operating temperature for select Volkswagen and Audi vehicles. It is built to OEM quality materials and safety standards, with manufacturing processes aligned to original equipment expectations. The 190°F calibration helps the cooling system reach and hold the intended temperature range for proper engine operation.

This thermostat cross-references Gates 34762 for the same application. It is commonly used in Volkswagen Jetta, Golf, Beetle, Passat, and Audi A4 cooling system service, as well as other listed VW and Audi models that call for a 190°F standard thermostat.

Common Issues This Part Can Address

• Engine running cooler or warmer than the specified operating temperature
• Delayed coolant warm-up after startup
• Temperature fluctuation caused by a worn thermostat element
• Cooling system service on vehicles requiring a 190°F thermostat
• Replacement of a thermostat that no longer opens and closes at the correct temperature

Installation Notes and Tips

• Verify the OE thermostat specification before installation; this unit is calibrated to 190°F.
• Inspect the housing, sealing surfaces, and coolant condition during service.
• No gasket or seal is included, so confirm the required sealing components for your application.
• Bleed air from the cooling system after installation to help prevent temperature irregularities.
• Confirm fitment by year, make, and model before ordering.

Quality Assurance

Motorad Standard thermostats are manufactured to OEM specifications and processes by an OE supplier. The copper case and wax compound are selected to support consistent response to coolant temperature changes in demanding automotive cooling systems.

Compatible With 1989-1990 Volkswagen Jetta, 1990-1994 Volkswagen Golf, 1993-1994 Volkswagen Jetta, 1996 Volkswagen Jetta, 1997 Volkswagen Golf, 1997-2001 Audi A4, 1997-2001 Audi A4 Quattro, 1998-2003 Audi A3, 1998-2005 Volkswagen Passat, 1998-2005 Volkswagen Jetta, 1998-2006 Volkswagen Beetle, 1999 Audi TT, 1999-2007 Volkswagen Golf, 2000-2001 Audi S3, 2000-2003 Volkswagen Pointer, 2000-2006 Audi TT, 2000-2006 Audi TT Quattro, 2002-2008 Volkswagen Sharan, 2003-2007 Volkswagen Polo, 2007-2016 Volkswagen Jetta, 2008-2009 Volkswagen Jetta City, 2008-2010 Volkswagen Golf City, 2010-2013 Audi A3, 2010-2013 Volkswagen Golf, and 2011-2015 Volkswagen Clasico.