Gates 34854 Engine Coolant Thermostat

Reliable Cooling with Gates Heavy-Duty Thermostat 34854

The Gates Heavy-Duty Thermostat part number 34854 is engineered to maintain optimal engine temperature for heavy-duty vehicles. Designed with durable materials and a reverse poppet design, this thermostat ensures consistent performance under demanding conditions.

• Constructed from steel, brass, and copper for durability and corrosion resistance
• Reverse poppet design for precise temperature regulation
• Sealing flange outside diameter of 2.13 inches for secure fitment
• Height between flanges measures 1.15 inches, total height 2 inches
• Includes two jiggle pins/weep holes to prevent air lock
• Starts to open at 180°F (82°C) for effective coolant flow
• Zero gaskets and seals required for installation

Heavy-Duty Thermostat Product Line Overview

The Gates Heavy-Duty Thermostat line focuses on thermostats designed for commercial and heavy-duty engine applications. This product line emphasizes robust construction and reliable temperature control to support engines operating under high stress and extended duty cycles. The 34854 thermostat exemplifies these qualities with its metal construction and reverse poppet design, suitable for vehicles requiring precise coolant management.

Technical Details and Features

The Gates 34854 thermostat features a reverse poppet design that allows for efficient coolant flow and temperature regulation. Its steel, brass, and copper materials provide resistance to corrosion and wear, extending the service life of the thermostat. The sealing flange diameter of 2.13 inches and height between flanges of 1.15 inches ensure compatibility with specific heavy-duty engine housings. Additionally, the inclusion of two jiggle pins helps to eliminate air pockets, improving cooling system efficiency. The thermostat begins to open at 180°F (82°C), which is a standard operating temperature for many heavy-duty engines.

Applications and Problem Solving

• Maintains proper engine operating temperature in heavy-duty trucks and commercial vehicles
• Prevents engine overheating by regulating coolant flow
• Reduces risk of coolant system air locks with jiggle pin design
• Supports engine longevity by ensuring consistent thermal management
• Compatible with vehicles requiring a 2.13 inch sealing flange diameter thermostat

Installation Notes and Tips

When installing the Gates Heavy-Duty Thermostat 34854, ensure the sealing flange matches the engine housing dimensions for a proper seal. No gaskets or seals are included, so verify if replacement gaskets are needed for your specific application. The thermostat does not come with an installation tool, so use appropriate tools to avoid damage during installation. Properly orient the reverse poppet design to ensure correct coolant flow direction.

Quality Assurance and Warranty

Gates manufactures the Heavy-Duty Thermostat 34854 to meet stringent quality standards for heavy-duty engine components. The use of steel, brass, and copper materials contributes to durability and corrosion resistance. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in commercial vehicle applications.