Gates 34850 Engine Coolant Thermostat

Overview of Gates Integrated Housing Thermostat 34850

The Gates Integrated Housing Thermostat 34850 is engineered for precise engine temperature regulation in select Mercedes-Benz models. Designed with an electric thermostat and integrated housing, it supports efficient coolant flow and optimal engine performance.

• Integrated housing thermostat design for streamlined installation
• Electric thermostat with a start-to-open temperature of 105°C (221°F)
• Three bolt holes for secure mounting
• Multiple outlet diameters: inside diameters of 0.81, 1.42, and 1.85 inches; outside diameters of 1.01, 1.74, and 2.02 inches
• Includes one seal for proper sealing
• OE performance rating, though not an exact OE replacement
• No jiggle pin or check valve included

Product Line Details: Integrated Housing Thermostat

The Gates Integrated Housing Thermostat line combines the thermostat and housing into a single unit, simplifying the cooling system assembly. This design reduces potential leak points and improves coolant flow control. The 34850 part exemplifies this approach, offering reliable temperature regulation with electric control for enhanced engine efficiency.

Technical Description and Features

This engine coolant thermostat features an electric operation mechanism that begins to open at 105°C (221°F), ensuring the engine reaches optimal operating temperature before coolant flow increases. The integrated housing includes three bolt holes for secure attachment and accommodates multiple outlet sizes, with inside diameters ranging from 0.81 to 1.85 inches and outside diameters from 1.01 to 2.02 inches. The unit comes with one seal to maintain a tight fit and prevent leaks. It does not include a jiggle pin or check valve, focusing on a straightforward, reliable design.

Compatible Vehicles and Common Applications

• Mercedes-Benz C300 and C350
• Mercedes-Benz E300 and E350
• Mercedes-Benz GLE350, GLK350, ML350
• Mercedes-Benz R350 and SLK350

This thermostat is suitable for addressing issues such as engine overheating, inconsistent temperature regulation, coolant leaks around the thermostat housing, and poor heater performance.

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Verify the correct orientation of the thermostat housing and gasket placement
• Check that the three bolt holes align properly with the engine mounting points
• Replace the seal included with the thermostat to prevent leaks
• Confirm electrical connections are secure for the electric thermostat operation

Quality Assurance and Warranty

The Gates Integrated Housing Thermostat 34850 meets OE performance standards, providing reliable temperature control for your Mercedes-Benz engine. While it is not an exact OE replacement, it is engineered to maintain consistent operation and durability. Warranty details should be confirmed with the parts provider or manufacturer.