Stant 14728 Engine Coolant Thermostat - Front

Reliable Engine Cooling with Stant OE Type Thermostat 14728

The Stant OE Type Thermostat 14728 is engineered to maintain optimal engine temperature for Chevrolet, GMC, and Hummer vehicles. Designed specifically for heavy-duty models like the Silverado 2500 HD and Sierra 3500, this thermostat ensures consistent performance under demanding conditions.

• Bypass plate diameter: 1.17 inches for precise coolant flow
• Flange diameter (with and without seal): 2.2 inches for secure fitment
• Height from flange to bottom: 1.4 inches
• Height from flange to top of bridge: 1.1 inches
• Temperature rating: 185 degrees Fahrenheit for accurate engine temperature regulation

Detailed Features of the Stant OE Type Thermostat

This engine coolant thermostat from Stant’s OE Type Thermostat line is designed to meet original equipment specifications. The 185-degree Fahrenheit temperature rating ensures the thermostat opens at the correct time to allow coolant flow, preventing engine overheating or inefficient operation. The precise flange diameter of 2.2 inches, both with and without the seal, guarantees a proper seal and fit within the cooling system housing. The bypass plate diameter of 1.17 inches supports controlled coolant circulation during warm-up phases, improving engine efficiency. The compact height dimensions (1.4 inches from flange to bottom and 1.1 inches to the top of the bridge) allow for seamless integration into the cooling system without modification.

OE Type Thermostat Product Line Overview

The OE Type Thermostat line by Stant focuses on delivering thermostats that replicate original equipment performance and fitment. This ensures compatibility and reliability for vehicles requiring precise temperature control. The 14728 part number is part of this line, providing a direct replacement solution for specific Chevrolet, GMC, and Hummer models, maintaining factory standards for engine cooling.

Compatible Vehicles and Common Applications

• Chevrolet Express 2500 and 3500
• GMC Savana 2500 and 3500
• Chevrolet Silverado 2500 HD, 2500 HD Classic, 3500, 3500 Classic, and 3500 HD
• GMC Sierra 2500 HD, 2500 HD Classic, 3500, 3500 Classic, and 3500 HD
• Hummer H1

This thermostat is designed to address issues such as engine overheating, poor heater performance, inconsistent engine temperature, coolant flow restrictions, and premature engine wear due to improper temperature regulation.

Installation Notes and Tips

When installing the Stant OE Type Thermostat 14728, ensure the cooling system is fully drained and the housing is clean to prevent leaks. Verify the orientation of the thermostat matches the original unit, with the bypass plate positioned correctly. Use a new gasket or seal to maintain a proper seal at the flange diameter of 2.2 inches. After installation, refill the cooling system and bleed air pockets to avoid overheating.

Quality Assurance and Warranty

Stant thermostats are manufactured to meet or exceed OEM specifications, ensuring durability and reliable operation. The OE Type Thermostat 14728 undergoes rigorous quality control to maintain consistent temperature regulation. While specific warranty details are not provided, Stant products typically come with a limited warranty against defects in materials and workmanship.