Stant 48759 Engine Coolant Thermostat

Overview of Stant OE Type Thermostat 48759

The Stant OE Type Thermostat 48759 is engineered to maintain optimal engine temperature for select Cadillac, Saab, and Saturn vehicles. Designed with precise dimensions and a 198-degree Fahrenheit opening temperature, this engine coolant thermostat ensures reliable temperature regulation for efficient engine performance.

• Bypass Plate Diameter: 1.18 inches
• Flange Diameter with Seal: 1.6 inches
• Flange Diameter without Seal: 1.83 inches
• Height from Flange to Bottom: 1.06 inches
• Height from Flange to Top of Bridge: 0.93 inches
• Temperature Rating: 198 degrees Fahrenheit
• Freight Class: 70

Details on the OE Type Thermostat Product Line

The Stant OE Type Thermostat line is designed to meet original equipment specifications, providing a direct replacement for factory-installed thermostats. This ensures compatibility and performance consistency for vehicles requiring precise temperature control. The 48759 model adheres to these standards, making it suitable for maintaining proper engine operating temperatures in compatible Cadillac, Saab, and Saturn models.

Technical Description and Fitment

This engine coolant thermostat features a 198-degree Fahrenheit opening temperature, ideal for regulating coolant flow in engines to prevent overheating or overcooling. The specific flange diameters and bypass plate size allow for a secure fit within the thermostat housing, ensuring proper sealing and function. Compatible with Cadillac CTS and Catera, Saab 9-5, 900, and 9000, as well as Saturn L300, LS2, LW2, LW300, and Vue models, the Stant 48759 thermostat supports reliable engine temperature management across these vehicles.

Common Applications and Problem Resolution

• Prevents engine overheating by regulating coolant flow
• Helps avoid poor heater performance due to thermostat failure
• Resolves issues with engine running too cold, improving fuel efficiency
• Eliminates erratic temperature gauge readings
• Supports proper engine warm-up times for emissions control

Installation Notes and Tips

• Ensure the thermostat is installed with the correct orientation for proper coolant flow
• Verify flange dimensions match the vehicle’s thermostat housing for a secure fit
• Replace the seal or gasket to prevent leaks during installation
• Check coolant levels and system pressure after installation
• Consult vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty

Stant OE Type Thermostats are manufactured to meet or exceed OEM standards, ensuring durability and consistent performance. The 48759 thermostat undergoes rigorous quality control to maintain precise temperature regulation. While specific warranty details are not provided here, Stant products typically come with manufacturer-backed warranties covering defects in materials and workmanship.