Stant 48689 Engine Coolant Thermostat / Water Outlet Assembly

Overview of Stant Integrated Thermostat Housing 48689

The Stant Integrated Thermostat Housing 48689 is engineered for reliable engine temperature regulation in select Ford and Mercury vehicles. Designed specifically for models like the Ford Escape, Mercury Mariner, and Ford Transit Connect, this thermostat housing assembly ensures optimal coolant flow and temperature control.

• Bypass Plate Diameter: 0.9 inches
• Flange Diameter with Seal: 1.37 inches
• Flange Diameter without Seal: 1.91 inches
• Height from Flange to Bottom: 0.4 inches
• Thermostat Temperature Rating: 194 degrees Fahrenheit
• Freight Class: 70

Details on the Integrated Thermostat Housing Product Line

The Stant Integrated Thermostat Housing line combines the thermostat and water outlet assembly into a single unit, simplifying installation and improving reliability. This design reduces potential leak points and streamlines coolant system maintenance. The 48689 part number represents a precise fit for specific Ford and Mercury models, ensuring compatibility and performance.

Product Description and Specifications

This engine coolant thermostat and water outlet assembly is built to maintain a consistent engine operating temperature of 194 degrees Fahrenheit. The compact design features a bypass plate diameter of 0.9 inches, which helps regulate coolant flow through the engine block. The flange diameters, both with and without the seal (1.37 inches and 1.91 inches respectively), provide a secure mounting surface to prevent leaks. The height from flange to bottom is 0.4 inches, allowing for proper clearance and fitment within the engine bay.

Compatible Vehicles and Common Applications

• Ford Escape models requiring a 194°F thermostat housing
• Mercury Mariner vehicles with matching cooling system specifications
• Ford Transit Connect models compatible with the 48689 assembly
• Replacement for worn or damaged thermostat housings causing coolant leaks
• Upgrading cooling system components to maintain engine temperature stability

Installation Notes and Tips

When installing the Stant 48689 thermostat housing, ensure the mating surfaces are clean and free of old gasket material. Use the correct seal to maintain a leak-free connection. Verify the thermostat temperature rating matches vehicle specifications to avoid engine overheating or inefficient cooling. Proper torque on mounting bolts is essential to prevent warping or damage to the housing.

Quality Assurance and Warranty Information

Stant manufactures the Integrated Thermostat Housing 48689 to meet or exceed OEM standards for durability and performance. Each unit undergoes quality control inspections to ensure proper fit and function. While specific warranty details may vary, Stant products typically include coverage against manufacturing defects, providing confidence in long-term reliability.