Gates 33941 Engine Coolant Thermostat - Lower

Reliable Engine Coolant Thermostat for Nissan, Infiniti, and Suzuki

The Gates OE Type Thermostat 33941 is engineered to maintain optimal engine temperature for select Nissan, Infiniti, and Suzuki models. Designed with durable steel, brass, and copper materials, this thermostat ensures consistent performance and precise temperature regulation.

• OE Type Thermostat design for direct replacement
• Constructed from steel, brass, and copper for durability
• Bottom by-pass design with jiggle pin weep hole
• Sealing flange outside diameter: 2.14 inches
• Start to open temperature at 180°F (82°C)
• Includes one O-ring seal, no gaskets required
• Compatible with Nissan Altima, Pathfinder, Rogue, Sentra, Infiniti QX60, and Suzuki Equator

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line by Gates is designed to meet original equipment specifications, providing reliable engine temperature control and efficient coolant flow. This product line focuses on precise fitment and performance, making it suitable for vehicles requiring exact OEM replacement parts. The 33941 thermostat maintains OE performance standards, ensuring compatibility and durability for Nissan, Infiniti, and Suzuki vehicles.

Detailed Product Description and Specifications

The Gates 33941 thermostat features a bottom by-pass design that includes a jiggle pin weep hole to prevent air lock and ensure smooth coolant circulation. Its sealing flange outside diameter measures 2.14 inches, with a height between flanges of 1.55 inches and an overall height of 2.48 inches. The thermostat opens at 180°F (82°C), regulating engine temperature effectively to prevent overheating or overcooling. The unit includes one O-ring seal and does not require additional gaskets, simplifying installation. Constructed from a combination of steel, brass, and copper, this thermostat offers corrosion resistance and long service life.

Compatible Vehicles and Common Applications

• Engine temperature regulation for Nissan Altima, Frontier, Pathfinder, Rogue, Rogue Select, Sentra, and X-Trail
• Replacement thermostat for Infiniti QX60 models
• Suitable for Suzuki Equator engine cooling systems
• Helps resolve engine overheating and inconsistent temperature issues
• Prevents coolant leaks and improves engine warm-up time

Installation Notes and Tips

• Installation tool is not included; use appropriate tools for removal and installation
• Ensure the sealing flange and O-ring are properly seated to prevent leaks
• Check the cooling system for debris before installing the thermostat
• Follow vehicle manufacturer torque specifications when tightening housing bolts
• Verify thermostat orientation matches original equipment for proper function

Quality Assurance and Warranty Information

The Gates OE Type Thermostat 33941 is manufactured to meet OE performance standards, ensuring reliable operation and fitment. Gates products typically come with a limited warranty covering defects in materials and workmanship. For specific warranty details, refer to the product documentation or contact the manufacturer directly.