Gates 33930 Engine Coolant Thermostat

Reliable Cooling with Gates Integrated Housing Thermostat 33930

The Gates Integrated Housing Thermostat 33930 is engineered to maintain optimal engine temperature for select Chrysler and Mercedes-Benz vehicles. Designed for precision and durability, this thermostat ensures efficient coolant flow and temperature regulation.

• Integrated housing thermostat design for streamlined installation
• Start to open temperature at 87°C (189°F) for accurate engine temperature control
• Outlet outside diameter of 1.65 inches and inside diameter of 1.45 inches
• Two bolt holes for secure mounting
• Single seal included for reliable coolant containment
• Non-electric operation with no jiggle pin or check valve
• OE performance rating for dependable fit and function

Product Line Overview: Gates Integrated Housing Thermostat

The Gates Integrated Housing Thermostat line combines the thermostat and housing into a single unit, simplifying replacement and reducing potential leak points. This design is particularly suited for vehicles requiring precise temperature management and a compact cooling system component. The 33930 part number represents this integrated approach, providing a direct replacement for compatible Chrysler and Mercedes-Benz models.

Detailed Product Description

The Gates 33930 thermostat features a start to open temperature of 87°C (189°F), ensuring the engine reaches and maintains the correct operating temperature for optimal performance and emissions control. Its integrated housing design eliminates the need for separate thermostat and housing parts, reducing installation complexity and potential failure points. The outlet dimensions—1.65 inches outside diameter and 1.45 inches inside diameter—are engineered to match OEM specifications, ensuring proper coolant flow. With two bolt holes and a single seal, this thermostat housing provides a secure and leak-resistant fit. The unit operates mechanically without electric components, jiggle pins, or check valves, aligning with original equipment design for reliable operation.

Compatible Vehicles and Applications

• Chrysler Crossfire models
• Mercedes-Benz AMG series including C32, C43, C55, E55, G55, ML55, SLK32, SLK55
• Mercedes-Benz luxury and performance models such as C240, C280, C320, CL55, CL500, CLK55, CLK63, CLK320, CLK350, CLK430, CLK500, CLK550, CLS500, E320, E430, E500, G500, ML320, ML350, ML430, ML500, R500, S55, S350, S430, S500, S600, SL500

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Poor engine warm-up performance
• Coolant leaks from thermostat housing
• Inconsistent engine temperature regulation
• Reduced fuel efficiency and increased emissions from improper coolant flow

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid injury. Remove the old thermostat and housing carefully, inspecting the mounting surface for debris or damage. Use the single included seal to prevent coolant leaks. Tighten the two mounting bolts evenly to the manufacturer’s torque specifications. Verify proper coolant level and check for leaks after installation. This thermostat is a direct replacement for specified Chrysler and Mercedes-Benz models, so no modifications are necessary.

Quality Assurance and Warranty

The Gates Integrated Housing Thermostat 33930 meets OE performance standards, providing reliable operation and durability. While specific warranty details are not provided, Gates products are manufactured to strict quality controls to ensure consistent performance in demanding automotive environments.