Gates 34719 Engine Coolant Thermostat

Integrated Housing Thermostat Overview

The Gates 34719 integrated housing thermostat is an OE-exact engine coolant thermostat assembly built for accurate temperature regulation in modern cooling systems. It is a direct-fit solution for select Audi TT, TT Quattro, TTS Quattro, A3, A3 Quattro and Volkswagen Bora, Eos, GTI, Jetta, Jetta City, and Passat applications.

Gates Integrated Housing Thermostat products focus on restoring factory-style coolant control in vehicles that use an integrated thermostat housing design. The 34719 follows OE temperature specifications and includes the seal needed for the application.

Key Features

• Gates part number 34719
• Integrated housing thermostat design
• OE Exact comparison rating
• Start-to-open temperature: 100°C / 212°F
• Two bolt holes for OE-style mounting
• No electric actuator
• No jiggle pin weep hole or check valve
• One seal specified for the assembly
• Outlet inside diameters: .920 in, .989 in, 1.005 in
• Outlet outside diameters: 1.145 in and 1.275 in

Detailed Description

The Gates 34719 thermostat housing assembly is engineered for vehicles that use an integrated thermostat and housing layout, helping maintain stable coolant flow and operating temperature. By matching OE temperature and fitment requirements, it supports consistent engine warm-up and temperature control in 2006-2010 Audi TT and related Volkswagen 2.0T applications. If you are replacing a worn thermostat housing on a Volkswagen GTI, Jetta, Passat, or Audi A3, this OE-exact unit provides a direct replacement path without changing the factory cooling system layout.

This part cross-references Continental 49462 and Dorman - OE Solutions 902-717 for the same application.

What It Helps Address

• Engine running too cool or too hot
• Temperature fluctuation during normal driving
• Coolant flow control issues from a worn thermostat
• Housing-related leaks at the thermostat assembly
• Check-engine concerns tied to cooling system temperature regulation

Installation Notes and Fitment

Fits 2007-2010 Audi TT, N/A. Fits 2009-2010 Audi TT Quattro, N/A. Fits 2009-2010 Audi TTS Quattro, N/A. Fits 2006-2009 Volkswagen Bora, N/A. Fits 2007-2009 Volkswagen Eos, N/A. Fits 2006-2009 Volkswagen GTI, N/A. Fits 2008-2009 Volkswagen Jetta City, N/A, Eng. Designation BPY. Fits 2006-2008 Audi A3, N/A. Fits 2006-2008 Volkswagen Jetta, N/A. Fits 2006-2008 Volkswagen Passat, N/A. Fits 2006-2007 Audi A3 Quattro, N/A. Fits 2007 Volkswagen Jetta City, N/A.

Verify engine designation and cooling system configuration before installation. Match the thermostat housing orientation and outlet dimensions to the original part, and inspect the mating surfaces and coolant passages for contamination or damage before reassembly.

Quality Assurance

Gates develops aftermarket thermostat solutions for integrated housing applications to provide an OE-style alternative for vehicles that require precise coolant temperature control. The 34719 is listed as OE Exact for fit and function alignment with the original application.