Gates 33778 Engine Coolant Thermostat

Reliable Engine Cooling with Gates OE Type Thermostat 33778

The Gates OE Type Thermostat 33778 is engineered to maintain optimal engine temperature for a range of vehicles including Chevrolet, Ford, Geo, GMC, Mazda, Pontiac, and Suzuki models. Designed with durable steel and copper materials, this engine coolant thermostat ensures consistent performance and longevity.

• Constructed from steel and copper for durability and heat resistance
• Reverse poppet design for precise temperature regulation
• Start to open temperature at 180°F (82°C) for accurate engine cooling
• Sealing flange outside diameter of 2.04 inches for secure fit
• Includes one jiggle pin weep hole to prevent air lock
• Height between flanges measures 0.83 inches, total height 1.56 inches
• OE Type Thermostat line ensures original equipment performance standards

Product Line Overview: Gates OE Type Thermostat

The Gates OE Type Thermostat product line is designed to meet original equipment specifications, providing reliable engine temperature control that matches factory standards. This line focuses on delivering thermostats that fit precisely and perform consistently, making the 33778 thermostat a suitable replacement for various vehicle models requiring OE performance.

Detailed Product Description

The Gates 33778 thermostat features a reverse poppet design, which allows for efficient coolant flow and temperature regulation. Made from steel and copper, it offers resistance to corrosion and thermal stress. The thermostat starts to open at 180°F (82°C), ensuring the engine reaches optimal operating temperature before coolant circulation begins. Its sealing flange outside diameter of 2.04 inches and height between flanges of 0.83 inches provide a secure and proper fit within the cooling system. Additionally, the included jiggle pin weep hole helps to release trapped air, preventing air lock and promoting smooth coolant flow.

Compatible Vehicles and Applications

• Chevrolet Aerostar
• Ford B4000, Bronco II, Explorer, Ranger
• Geo Tracker, Sunrunner
• GMC Safari
• Mazda Navajo
• Pontiac Sunrunner
• Suzuki Samurai, Sidekick, X-90

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Poor engine warm-up times affecting fuel efficiency
• Coolant flow interruptions caused by stuck or faulty thermostats
• Air lock in cooling system reducing coolant circulation
• Inconsistent engine temperature regulation impacting performance

Installation Notes and Tips

This thermostat does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the sealing flange dimensions and fitment compatibility with your vehicle model before installation. Properly clean the thermostat housing and mating surfaces to ensure a secure seal. Check for the presence of the jiggle pin weep hole to aid in air release during installation.

Quality Assurance and Warranty

The Gates OE Type Thermostat 33778 is manufactured to meet OE performance standards, ensuring reliable operation and durability. Gates products typically come with a limited warranty against defects in material and workmanship; please refer to official Gates documentation for specific warranty details.