Gates 33577 Engine Coolant Thermostat

Reliable Cooling with Gates Heavy-Duty Thermostat 33577

The Gates Heavy-Duty Thermostat 33577 is engineered to maintain optimal engine temperature for select BMW, Dodge, and Ford vehicles. Designed with durable materials and precise specifications, this engine coolant thermostat supports efficient cooling system performance under demanding conditions.

• Constructed from stainless steel, steel, and copper for durability
• Weir-stat design ensures reliable temperature regulation
• Start to open temperature at 170°F (77°C) for accurate engine warm-up
• Flange outside diameter of 2.88 inches and valve diameter of 2.27 inches
• Height of 3.2 inches with 0.2-inch flange thickness for proper fitment
• Compatible with BMW M5, M6, Dodge Ram 1500, 2500, 3500, and Ford GT models

About the Gates Heavy-Duty Thermostat Product Line

The Heavy-Duty Thermostat line by Gates is designed specifically for vehicles requiring robust cooling components capable of withstanding higher thermal and mechanical stresses. This product line focuses on durability and consistent performance, making it suitable for heavy-duty applications such as trucks and performance cars. The 33577 thermostat exemplifies these qualities with its stainless steel and copper construction and precise Weir-stat design.

Product Details and Specifications

The Gates 33577 thermostat features a Weir-stat design, which provides reliable temperature control by opening at 170°F (77°C). Its stainless steel, steel, and copper materials offer corrosion resistance and long service life. The thermostat has a flange outside diameter of 2.88 inches and a valve diameter of 2.27 inches, ensuring proper sealing and fit within the cooling system. With a total height of 3.2 inches and a flange thickness of 0.2 inches, it fits securely in the thermostat housing without the need for additional gaskets or seals. This thermostat does not include a jiggle pin or installation tool.

Common Applications and Problem Solving

• Prevents engine overheating by regulating coolant flow
• Ensures efficient engine warm-up to reduce emissions and improve fuel economy
• Replaces faulty or stuck thermostats in BMW M5, M6, Dodge Ram 1500/2500/3500, and Ford GT vehicles
• Addresses coolant leaks caused by worn or damaged thermostat components
• Maintains consistent engine temperature under heavy-duty driving conditions

Installation Notes and Tips

Installation of the Gates Heavy-Duty Thermostat 33577 requires removal of the existing thermostat housing. Ensure the engine is cool before beginning work. This thermostat does not include an installation tool, so appropriate hand tools are necessary. Verify the sealing flange and valve dimensions match the vehicle specifications to ensure proper fit. No additional gaskets are included, so inspect the housing gasket and replace if necessary to prevent leaks.

Quality Assurance and Warranty

Gates manufactures the Heavy-Duty Thermostat 33577 to meet stringent quality standards for durability and performance. The use of corrosion-resistant materials such as stainless steel and copper contributes to long-term reliability. While specific warranty details are not provided here, Gates typically offers limited warranties on their cooling system components. Consult product documentation or the manufacturer for exact warranty terms.