Gates 34807 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Hyundai, Kia, and Genesis

The Gates OE Type Thermostat 34807 is engineered to maintain optimal engine temperature for select Hyundai, Kia, and Genesis models. Designed with durable steel and copper materials, this thermostat ensures consistent performance and precise temperature regulation.

• Constructed from steel and copper for durability and heat resistance
• OE Type Thermostat design with bottom by-pass for efficient coolant flow
• Sealing flange outside diameter of 2.12 inches and height between flanges of 1.45 inches
• Features a jiggle pin weep hole and O-ring seal for reliable sealing and pressure control
• Starts to open at 180°F (82°C) to maintain proper engine operating temperature
• Compatible with Genesis G80, Genesis Coupe, GV70, GV80, Hyundai Sonata, Kia Optima, Stinger, Magentis, and Rondo

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line from Gates is designed to meet original equipment specifications, providing a direct replacement for factory-installed thermostats. This ensures compatibility and performance that aligns with the vehicle manufacturer’s standards. The 34807 thermostat maintains OE performance ratings, making it suitable for vehicles requiring precise temperature control and reliable coolant flow management.

Product Details and Specifications

This engine coolant thermostat features a bottom by-pass design that allows coolant to circulate even when the thermostat is closed, preventing hot spots and promoting even engine temperature. The thermostat’s height is 2.07 inches, with a by-pass flange diameter of 1.09 inches and a height from flange of 0.62 inches. It includes one jiggle pin/check valve and one O-ring seal, but does not come with additional gaskets or installation tools. The thermostat opens at 180°F (82°C), which is critical for maintaining optimal engine temperature and preventing overheating or inefficient fuel consumption.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating coolant flow
• Helps avoid poor heater performance due to thermostat failure
• Reduces engine warm-up time for improved fuel efficiency
• Prevents coolant bypass issues that can cause engine damage
• Maintains consistent engine temperature for reliable vehicle operation

Installation Notes and Tips

Installation of the Gates OE Type Thermostat 34807 requires removal of the old thermostat and careful cleaning of the housing surface to ensure a proper seal. Note that this part does not include an installation tool or gaskets, so ensure you have the necessary tools and replacement gaskets if needed. The O-ring seal should be inspected and properly seated during installation to prevent leaks. Follow vehicle-specific service manual instructions for torque specifications and coolant system bleeding procedures.

Quality Assurance and Warranty

The Gates OE Type Thermostat 34807 is manufactured to meet OE performance standards, ensuring reliable operation and durability. Gates provides quality assurance through rigorous testing and material selection. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.