Stant 48818 Engine Coolant Thermostat / Water Outlet Assembly

Integrated Thermostat Housing for Cadillac Cooling Systems

Stant Part Number 48818 is an engine coolant thermostat and water outlet assembly built with the thermostat integrated into the housing. That one-piece layout simplifies service on the cooling system while using durable materials for long service life. It is specified at 180 degrees and includes the seal noted in the fitment data.

Compatible With Cadillac CTS, Cadillac SRX, and Cadillac STS applications, this Stant Integrated Thermostat Housing is a direct-fit cooling system service part for OE-temperature replacement needs. The Stant 48818 is a practical choice when replacing a worn thermostat housing on 2004-2010 Cadillac models listed below.

Key Features

• Integrated thermostat and housing assembly for simplified installation
• Water outlet thermostat housing construction for cooling system service
• 180 degree thermostat temperature rating
• Durable material construction for long service life
• Seal included per fitment notes
• Stant 48818 identification for ordering and catalog matching

Detailed Description

The Stant Integrated Thermostat Housing line combines the thermostat into the housing assembly, reducing the number of separate components involved in the repair. This design supports cleaner replacement work on the engine coolant outlet side and helps restore proper coolant flow control at the OE temperature specification. For Cadillac CTS, SRX, and STS vehicles, Part Number 48818 is listed with 180 degree operation and housing-specific fitment notes, making it a focused replacement for the original cooling system layout.

Use Stant 48818 when servicing a Cadillac CTS, Cadillac SRX, or Cadillac STS and you need an integrated thermostat housing that matches the listed application details. The part number 48818 is also useful for catalog searches when verifying the correct thermostat housing assembly for the vehicle.

Vehicle Fitment

• Fits 2005-2010 Cadillac CTS, N/A; Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing
• Fits 2004-2009 Cadillac SRX, N/A; Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
• Fits 2006-2009 Cadillac STS, N/A; Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing
• Fits 2004-2006 Cadillac CTS, N/A; Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing
• Fits 2005 Cadillac STS, N/A; Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing

What It Helps Address

• Coolant temperature control issues caused by a worn thermostat assembly
• Leaks at the thermostat housing or water outlet connection
• Service delays from replacing separate thermostat and housing components
• OE-temperature cooling system maintenance on Cadillac CTS, SRX, and STS models
• Fitment verification for a Stant thermostat housing replacement

Installation Notes and Tips

Confirm the vehicle application against the listed year, make, and model before installation. Match the 180 degree temperature specification and review the housing dimensions when comparing against the original part. Clean the sealing surfaces thoroughly before assembly and follow the vehicle service procedure for coolant refill and air bleeding after replacement.

Quality Assurance

Stant manufactures cooling system components with application-specific fitment and OE-temperature specifications. Part Number 48818 follows the integrated thermostat housing format described by the manufacturer and is cataloged for the Cadillac CTS, SRX, and STS applications listed above.