Stant 48732 Engine Coolant Thermostat / Water Outlet Assembly

Integrated Thermostat Housing for Audi Cooling Service

Stant Part Number 48732 is an engine coolant thermostat and water outlet assembly built for direct cooling-system service on select Audi applications. It combines the thermostat into the housing to simplify replacement and help restore proper coolant flow control.

Compatible With 2002-2006 Audi A4 and 2002-2005 Audi A4 Quattro applications, this Integrated Thermostat Housing is specified at 202 degrees and includes a seal. The Stant Integrated Thermostat Housing line focuses on consolidated thermostat-and-housing service parts for cleaner installation and accurate fitment.

Key Features

• Stant Part Number 48732
• Engine coolant thermostat / water outlet assembly
• Integrated thermostat and housing design
• 202 degrees Fahrenheit thermostat rating
• Seal included
• Durable housing material for long service life
• Flange diameter with seal: 1.09 in
• Flange diameter without seal: 2.8 in

Detailed Description

This thermostat housing assembly is built for Audi cooling-system repair where the thermostat and outlet housing are serviced together. By integrating the thermostat into the housing, Stant Part Number 48732 reduces the number of separate components involved in the repair and supports a more straightforward replacement process. It is a direct-fit cooling part for 2002-2006 Audi A4 and 2002-2005 Audi A4 Quattro models, with OE temperature specification and a 202-degree opening point.

The Stant Integrated Thermostat Housing product line is aimed at replacing worn or leaking thermostat housings with a consolidated assembly that matches the application requirements. For Audi A4 and Audi A4 Quattro cooling repairs, this part number 48732 provides the correct temperature rating and seal-included configuration for service work focused on coolant regulation and outlet sealing.

What It Helps Fix

• Coolant leaks at the thermostat housing or water outlet
• Incorrect engine operating temperature
• Delayed coolant circulation after thermostat wear
• Cracked or aging plastic housing service issues
• Repeated repairs caused by separate thermostat and housing replacement

Installation Notes and Tips

Verify the flange diameter and temperature rating before installation to confirm application match. Inspect the mating surfaces, coolant passages, and surrounding hoses for wear or contamination before reassembly. Use the included seal during installation and refill the cooling system according to the vehicle service procedure after the repair.

Fits 2006 Audi A4, N/A; Temperature 202 Degrees; Seal Included - Seal; Integrated Thermostat Housing. Fits 2002-2005 Audi A4, N/A; Temperature 202 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing. Fits 2002-2005 Audi A4 Quattro, N/A; Temperature 202 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing.

Quality Assurance

Stant manufactures cooling-system service parts with application-specific temperature control and integrated housing construction for select vehicle platforms. Part Number 48732 is built to match the listed Audi fitments and OE temperature specification.