Stant 49688 Engine Coolant Thermostat / Water Outlet Assembly

Integrated Thermostat Housing for Audi and VW

Stant Part Number 49688 is an engine coolant thermostat and water outlet assembly built with the thermostat integrated into the housing. That one-piece design simplifies service on applications that use a combined thermostat housing, while the durable housing material supports long-term cooling system performance.

Compatible With Audi Q5, S5, SQ5, S4, A6 Quattro, A7 Quattro, A8 Quattro, Q7, and Volkswagen Touareg applications listed below, this Stant integrated thermostat housing is specified at 180 degrees Fahrenheit for the correct operating temperature range.

Key Features

• Integrated thermostat housing assembly for streamlined replacement
• 180 degree Fahrenheit thermostat specification
• Durable housing material for extended service life
• Water outlet thermostat housing design for cooling system service
• Stant Part Number 49688 for direct catalog identification
• Bypass plate diameter: 1.8 in.
• Flange diameter with seal: 1.3 in.
• Flange diameter without seal: 2.6 in.
• Height from flange to bottom: 2.4 in.

Detailed Description

Stant Integrated Thermostat Housing 49688 combines the thermostat and housing into a single assembly, reducing the number of separate components involved in cooling system repair. The housing is made from durable material for long service life, and the 180 degree thermostat setting supports proper coolant flow control in the specified Audi and Volkswagen applications. This part number 49688 is a practical choice when replacing a worn or leaking water outlet thermostat housing on vehicles such as the Audi Q5, Audi S5, and Volkswagen Touareg.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Coolant leaks at the thermostat housing or water outlet
• Erratic engine temperature control
• Thermostat service on integrated housing designs
• Cooling system maintenance on Audi and Volkswagen models
• Replacement of a cracked or aged housing assembly

Installation Notes and Tips

Verify the 180 degree temperature specification and housing dimensions before installation. Inspect the mating surfaces, seals, and coolant passages for wear or contamination, and confirm the vehicle application against the fitment list before ordering. This assembly is listed for N/A position applications and should be matched to the original cooling system layout on the vehicle.

Fits 2013-2017 Audi Q5, N/A; Fits 2010-2017 Audi S5, N/A; Fits 2014-2017 Audi SQ5, N/A; Fits 2010-2016 Audi S4, N/A; Fits 2011-2015 Volkswagen Touareg, N/A; Fits 2009-2014 Audi A6 Quattro, N/A; Fits 2012-2014 Audi A7 Quattro, N/A; Fits 2013 Audi A8 Quattro, N/A; Fits 2011-2012 Audi Q7, N/A.

Quality Assurance

Stant manufactures cooling system components with application-specific fitment and dimensional detail. Part Number 49688 is cataloged as an integrated thermostat housing assembly for the listed Audi and Volkswagen vehicles.