Gates 34769 Engine Coolant Thermostat

Reliable Engine Cooling with Gates OE Exact Thermostat 34769

The Gates OE Exact Thermostat 34769 is engineered to maintain optimal engine temperature for a range of GM and Isuzu vehicles. Designed with precision materials and specifications, this thermostat ensures consistent performance and durability in your cooling system.

• Material: Durable steel and copper construction
• Design: Bottom by-pass type for efficient coolant flow
• Seal Type: O-ring seal for secure, leak-free installation
• Start to Open Temperature: 198°F (92°C) for accurate temperature regulation
• Dimensions: 2.13" sealing flange outside diameter, 2.31" height, 1.52" height between flanges
• By-Pass Flange Diameter: 1.2 inches
• Includes no gaskets or installation tool

About the Gates OE Exact Thermostat Product Line

The OE Exact Thermostat line by Gates is designed to meet original equipment specifications, providing a direct replacement for factory thermostats. This ensures compatibility and reliable operation in vehicles such as Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, and Isuzu Bravada. The 34769 part number reflects precise engineering to match OEM fit, form, and function.

Detailed Product Description

This engine coolant thermostat features a bottom by-pass design that allows coolant to circulate through the engine block before the thermostat opens, promoting faster warm-up times and improved engine efficiency. Constructed from steel and copper, the thermostat offers corrosion resistance and long service life. The O-ring seal type provides a tight seal to prevent leaks, while the absence of jiggle pins or check valves simplifies the design. The thermostat opens at 198°F (92°C), maintaining optimal engine temperature under various operating conditions.

Compatible Vehicles and Applications

• Cadillac Escalade and other Cadillac models
• Chevrolet Silverado 1500, Suburban 1500, Tahoe, Blazer, and S10
• GMC Sierra 1500, Sierra 1500 Classic, Yukon, Jimmy, and Safari
• Isuzu Bravada and Hombre
• Oldsmobile and GMC C/K series trucks including C1500, C2500, C3500, K1500, K2500, K3500

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Poor engine warm-up performance
• Coolant leaks from worn or damaged seals
• Inconsistent engine temperature regulation
• Reduced fuel efficiency caused by improper coolant flow

Installation Notes and Tips

The Gates OE Exact Thermostat 34769 does not include an installation tool or gaskets, so ensure you have the correct gasket or sealant for your vehicle application. Verify the thermostat orientation with the bottom by-pass design during installation. Always drain coolant before removal and refill with the appropriate coolant type after installation. Follow vehicle-specific service manual instructions for torque specifications and installation procedures.

Quality Assurance and Warranty

Gates manufactures the OE Exact Thermostat 34769 to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in material and workmanship. Consult product packaging or manufacturer documentation for exact warranty terms.