Gates 34804 Engine Coolant Thermostat

OE Type Thermostat for Precise Cooling Control

Gates OE Type Thermostat 34804 is an engine coolant thermostat built for accurate temperature regulation and an OEM-equivalent fit. It is a direct replacement for a wide range of Audi and Volkswagen applications, including Audi A4, A5, Q5, TT, and Volkswagen GTI, Tiguan, and Passat models.

For drivers searching for an OE-style thermostat for Audi A4 Quattro or Volkswagen Tiguan cooling system service, this Gates thermostat is built to match the original operating temperature and sealing requirements. The 34804 part number is also a useful reference when comparing replacement options for the same application.

Key Features

• OE Type Thermostat for factory-style cooling system operation
• 203 degree start-to-open temperature for OE temperature control
• Reverse poppet design for application-specific coolant flow management
• Steel and copper construction for durability in engine cooling service
• O-ring seal type for leak-resistant installation
• Jiggle pin weep hole included for air bleeding during fill and service
• OE Performance comparison rating

Product Line Details

Gates OE Type Thermostat line focuses on replacement parts that follow original equipment temperature control and fitment standards. This approach helps maintain the cooling behavior expected in modern turbocharged and naturally aspirated engines that rely on stable thermostat operation.

Detailed Description

Gates 34804 is engineered as an OE-style engine coolant thermostat for vehicles that require a 203 degree opening point. Its reverse poppet design, steel and copper construction, and O-ring sealing setup support consistent coolant regulation and a secure housing interface. The thermostat is listed with OE performance comparison and is cross-referenced to Motorad 707-203 and URO 06H121113B for the same application.

Compatible With Audi A4, Audi A4 Quattro, Audi A5, Audi A5 Quattro, Audi A6, Audi A6 Quattro, Audi Q3, Audi Q3 Quattro, Audi Q5, Audi TT, Audi TT Quattro, Audi TTS Quattro, Volkswagen Beetle, Volkswagen CC, Volkswagen Eos, Volkswagen GTI, Volkswagen Jetta, Volkswagen Passat, Volkswagen Passat CC, Volkswagen Tiguan, and Volkswagen Tiguan Limited applications listed below.

What It Helps Address

• Engine running too cool or too hot due to thermostat wear
• Slow warm-up after cold starts
• Temperature fluctuation from a sticking thermostat
• Coolant seepage at the thermostat seal interface
• Cooling system service on OE-style Audi and Volkswagen applications

Installation Notes and Fitment

Install with the correct housing and sealing surfaces clean and free of debris. Verify the thermostat orientation, especially on applications noted with INZI back housing or without high-output engine configurations. The jiggle pin weep hole should be positioned according to the vehicle service procedure to help purge trapped air during refill.

• Fits 2015-2018 Audi Q3, N/A; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2015-2018 Audi Q3 Quattro, N/A; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2010-2017 Audi A5 Quattro, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2011-2017 Audi Q5, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2017 Volkswagen CC, N/A; 203 Degree; OE Temperature; OE Type Thermostat
• Fits 2009-2017 Volkswagen Tiguan, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2017 Volkswagen Tiguan Limited, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2016 Audi A4 allroad, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2010-2016 Audi A5, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2016 Audi allroad, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2013-2016 Volkswagen CC, N/A; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2009-2016 Volkswagen Eos, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2009-2015 Audi A4, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2009-2015 Audi A4 Quattro, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2012-2015 Audi A6, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2013-2015 Audi A6 Quattro, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2013-2014 Audi A4 allroad, N/A; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2013-2014 Audi allroad, N/A; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2014 Audi TT, N/A; W/O H.O. Eng.; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2014 Audi TT Quattro, N/A; W/O H.O. Eng.; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2014 Audi TTS Quattro, N/A; W/O H.O. Eng.; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2010-2014 Volkswagen GTI, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2008-2013 Audi A3, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2008-2013 Audi A3 Quattro, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2011-2013 Audi TT, N/A; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2011-2013 Audi TT Quattro, N/A; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2011-2013 Audi TTS Quattro, N/A; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2012-2013 Volkswagen Beetle, N/A; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2009-2012 Volkswagen CC, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2009-2012 Volkswagen Passat CC, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2010 Audi S3, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2010 Volkswagen Jetta, N/A; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2009-2010 Volkswagen Passat, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2008-2009 Volkswagen Jetta, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2008-2009 Volkswagen Jetta City, N/A; W/INZI Back Housing; 203 Degree; OE Temperature; Seal included; OE Type Thermostat
• Fits 2008 Volkswagen Passat, N/A; 203 Degree; OE Temperature; Seal included; OE Type Thermostat

Quality Assurance

Gates engineers this OE Type Thermostat to provide precise temperature control and an OEM-equivalent fit for the listed Audi and Volkswagen applications. Part number 34804 is built to meet the cooling system requirements of the vehicles shown above.