Motorad 708-203 Engine Coolant Thermostat

OE-Style Cooling Control for Volkswagen and Audi

The Motorad Standard 708-203 engine coolant thermostat is built for OE-specified temperature control in a wide range of Volkswagen and Audi applications. It opens at 203°F and uses OEM-quality materials to help maintain stable coolant flow in demanding cooling systems.

With a copper case, wax compound, offset design, air relief valve, and included seal where applicable, this thermostat is made for precise temperature response and reliable sealing in BEHR housing applications.

Key Features

• Engine coolant thermostat with a 203°F start-to-open temperature
• Motorad Standard line replacement for OE-style cooling service
• Copper case and wax compound for responsive temperature control
• Offset design with jiggle pin weep hole and air relief valve
• O-ring seal included; rubber gasket/seal material
• OEM specifications and processes used in manufacturing
• Cross-reference: Gates 70803

Detailed Description

Motorad 708-203 is a standard engine coolant thermostat engineered for vehicles that require a 203°F thermostat and OE-style sealing. The design includes a sealing flange, bypass opening, and integrated air relief features to support consistent coolant regulation and easier air bleeding during service. This part is commonly used in Volkswagen Tiguan, Passat, CC, Jetta, and Audi A4, A5, A6, Q5, TT, and allroad applications that specify a BEHR back housing or OE-specified thermostat setup. This part cross-references Dorman - HELP 57083 for the same application.

Vehicle Fitment

• Fits 2017-2018 Volkswagen Tiguan Limited, N/A
• Fits 2017 Audi A5 Quattro, N/A
• Fits 2013-2017 Volkswagen Tiguan, N/A
• Fits 2009-2011 Volkswagen Tiguan, N/A
• Fits 2013-2016 Audi allroad, N/A
• Fits 2014-2016 Volkswagen Eos, N/A
• Fits 2015 Audi A6, N/A
• Fits 2015 Audi A6 Quattro, N/A
• Fits 2009-2014 Audi A4, N/A
• Fits 2011-2014 Audi TT Quattro, N/A
• Fits 2009-2013 Audi A3, N/A
• Fits 2009-2013 Audi A3 Quattro, N/A
• Fits 2013 Audi A4 allroad, N/A
• Fits 2009-2013 Audi A4 Quattro, N/A
• Fits 2013 Audi A6 Quattro, N/A
• Fits 2013 Volkswagen Jetta, N/A
• Fits 2011-2012 Audi Q5, N/A
• Fits 2009-2012 Volkswagen CC, N/A
• Fits 2010-2011 Audi A5, N/A
• Fits 2010-2011 Audi A5 Quattro, N/A
• Fits 2009-2011 Volkswagen Passat CC, N/A
• Fits 2009-2010 Volkswagen Passat, N/A

Common Symptoms This Part Can Address

• Engine running too cool or too hot due to thermostat sticking
• Delayed warm-up after cold starts
• Temperature fluctuations during normal driving
• Coolant flow issues related to worn thermostat sealing
• Check engine light concerns tied to coolant temperature regulation

Installation Notes

Verify the OE-specified 203°F temperature and housing style before installation. This thermostat includes a seal where applicable and uses an O-ring style seal; confirm the sealing flange dimensions and bypass diameter match the original unit. Proper coolant bleeding is important after service, especially on applications with an air relief valve and jiggle pin weep hole.

Quality Assurance

Motorad manufactures this thermostat with OEM-quality materials and safety standards as an OE supplier. It is produced to OEM specifications and processes for use in demanding automotive cooling systems.