Stant 45889 Engine Coolant Thermostat

Reliable Engine Cooling with Stant Superstat AE Thermostat 45889

The Stant Superstat AE Thermostat 45889 is engineered to maintain optimal engine temperature for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed specifically for vehicles like the Cavalier, Corsica, Firenza, Skyhawk, and Tempest, this engine coolant thermostat ensures precise temperature regulation at 195 degrees Fahrenheit.

Key Features of Stant Thermostat 45889

• Bypass plate diameter: 1.09 inches for efficient coolant flow
• Flange diameter with seal: 1.9 inches, ensuring a secure fit
• Flange diameter without seal: 1.725 inches for accurate installation
• Height from flange to bottom: 1.46 inches for proper housing alignment
• Height from flange to top of bridge: 0.87 inches for consistent performance
• Temperature rating: 195 degrees Fahrenheit for optimal engine operation
• Freight class: 70, relevant for shipping and handling

About the Superstat AE Thermostat Product Line

The Superstat AE Thermostat line by Stant focuses on delivering reliable temperature control components tailored for specific vehicle applications. This product line emphasizes precise temperature activation and durable construction, which helps maintain engine efficiency and prevents overheating or overcooling. The 45889 thermostat is part of this line, designed to meet the exact specifications required by various GM models.

Detailed Product Description

The Stant Superstat AE Thermostat 45889 is an engine coolant thermostat built to regulate the flow of coolant based on engine temperature. With a temperature rating of 195 degrees Fahrenheit, it opens and closes at the correct time to maintain engine temperature within the optimal range. The precise flange diameters and height measurements ensure compatibility with the thermostat housing and bypass system of Buick, Chevrolet, Oldsmobile, and Pontiac vehicles, including the Cavalier, Corsica, Firenza, Skyhawk, and Tempest. This thermostat supports efficient engine operation by preventing overheating and promoting proper warm-up times.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating coolant flow
• Ensures proper engine warm-up for fuel efficiency
• Reduces risk of coolant leaks with accurate flange fitment
• Helps maintain consistent engine temperature under varying conditions
• Supports engine longevity by preventing thermal stress

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Ensure the thermostat is installed with the correct orientation for proper function
• Replace the gasket or seal to prevent leaks during installation
• Check coolant levels and system pressure after installation
• Follow manufacturer torque specifications for flange bolts

Quality Assurance and Warranty

Stant manufactures the Superstat AE Thermostat 45889 to meet OEM standards for durability and performance. While specific warranty details are not provided here, Stant products typically come with a limited warranty against defects in materials and workmanship. This thermostat is designed to provide reliable service when installed and maintained according to vehicle manufacturer guidelines.