Gates 33578 Engine Coolant Thermostat

Reliable Cooling with Gates Heavy-Duty Thermostat 33578

The Gates Heavy-Duty Thermostat 33578 is engineered to maintain optimal engine temperature for vehicles like BMW M5, M6, and Dodge Ram 1500, 2500, and 3500. Designed with durable materials and precise specifications, this thermostat ensures consistent performance under demanding conditions.

• Constructed from stainless steel, steel, and copper for durability
• Weir-stat design for reliable temperature regulation
• Start to open temperature at 180°F (82°C) for efficient engine cooling
• Flange outside diameter of 2.87 inches and valve diameter of 2.27 inches
• Height from flange measures 1.64 inches with a total height of 3.16 inches
• No jiggle pin or weep hole included, designed for heavy-duty applications
• Compatible with BMW M5, M6 and Dodge Ram 1500, 2500, 3500 models

About the Gates Heavy-Duty Thermostat Product Line

The Heavy-Duty Thermostat line by Gates focuses on robust engine coolant thermostats built to withstand high-stress environments. This product line emphasizes durability and precise temperature control, making it suitable for heavy-duty vehicles such as trucks and performance cars. The 33578 thermostat exemplifies these qualities with its stainless steel, steel, and copper construction and a weir-stat design that supports consistent engine temperature management.

Detailed Product Description

The Gates Heavy-Duty Thermostat 33578 features a weir-stat design that provides reliable temperature regulation by opening at 180°F (82°C). Its stainless steel, steel, and copper materials offer resistance to corrosion and wear, ensuring long service life. The thermostat’s flange outside diameter is 2.87 inches, with a valve diameter of 2.27 inches, fitting precisely within the cooling system housing. The total height of 3.16 inches and flange thickness of 0.22 inches are engineered for compatibility with specific engine models. This thermostat does not include a jiggle pin or weep hole, which is typical for heavy-duty applications requiring robust sealing and temperature control.

Common Applications and Issues Addressed

• Maintains proper engine operating temperature in BMW M5 and M6 models
• Prevents engine overheating in Dodge Ram 1500, 2500, and 3500 trucks
• Improves coolant flow regulation for heavy-duty engine performance
• Replaces faulty or worn thermostats causing temperature fluctuations
• Supports engine longevity by preventing thermal stress damage

Installation Notes and Tips

The Gates Heavy-Duty Thermostat 33578 does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the thermostat’s orientation and seating within the housing to prevent leaks. Since this thermostat does not come with gaskets, use OEM or compatible gaskets during installation to maintain a proper seal. Always follow vehicle-specific service manuals for torque specifications and installation procedures.

Quality Assurance and Warranty

Gates manufactures the Heavy-Duty Thermostat 33578 to meet stringent quality standards, using corrosion-resistant materials for durability. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship. For warranty information, consult the product documentation or Gates directly.