Gates 33949 Engine Coolant Thermostat

Overview of Gates Integrated Housing Thermostat 33949

The Gates Integrated Housing Thermostat 33949 is designed for precise engine temperature regulation in select Acura and Honda vehicles. This engine coolant thermostat ensures optimal cooling system performance for models such as the Civic, CR-V, CSX, and RSX.

• Integrated housing thermostat design with 3 bolt holes for secure mounting
• Outlet outside diameter of 1.34 inches and inside diameter of 1.08 inches
• Jiggle pin weep hole included for air bleeding and system efficiency
• Thermostat starts to open at 78°C (172°F) for accurate temperature control
• Non-electric operation with one jiggle pin/check valve
• OE performance rating, engineered to meet original equipment standards

Detailed Product Description

The Gates Integrated Housing Thermostat 33949 combines the thermostat and housing into a single unit, simplifying installation and improving reliability. Featuring a 3-bolt hole configuration, this thermostat housing fits securely on compatible Acura and Honda engines. The outlet dimensions—1.34 inches outside diameter and 1.08 inches inside diameter—are designed to match OEM specifications, ensuring proper coolant flow. The thermostat opens at 78°C (172°F), maintaining engine temperature within the optimal range to prevent overheating or overcooling. The integrated jiggle pin weep hole allows trapped air to escape, enhancing cooling system efficiency. This part is non-electric and includes one jiggle pin/check valve, supporting consistent coolant circulation without additional electronic components.

About the Integrated Housing Thermostat Product Line

The Gates Integrated Housing Thermostat product line features combined thermostat and housing units engineered for streamlined installation and reliable engine temperature management. This design reduces potential leak points and simplifies replacement procedures. The 33949 model exemplifies this approach, providing a direct-fit solution for Acura and Honda vehicles requiring precise coolant thermostat control.

Applications and Common Issues Addressed

• Regulates engine temperature to prevent overheating in Acura Civic and Honda CR-V models
• Replaces faulty thermostats causing engine temperature fluctuations in Honda CSX and RSX
• Eliminates coolant leaks associated with separate thermostat housings
• Improves coolant flow and system efficiency by venting trapped air through the jiggle pin
• Restores proper engine warm-up times and prevents poor heater performance

Installation Notes and Tips

• Ensure the engine is cool before removal to avoid burns or coolant spills
• Use the 3 bolt holes to securely fasten the thermostat housing to the engine block
• Check and replace any worn seals to prevent leaks; this part includes one seal
• Verify outlet hose connections match the 1.34 inch outside diameter for proper fit
• Bleed the cooling system after installation to remove air trapped in the jiggle pin weep hole

Quality Assurance and Warranty

The Gates Integrated Housing Thermostat 33949 meets OE performance standards, ensuring compatibility and durability for Acura and Honda vehicles. Manufactured under strict quality controls, this thermostat housing is engineered for reliable operation within the specified temperature range. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.