HomeBelts and Cooling > Thermostat and HousingGates 34146 Engine Coolant Thermostat
Part #: 34146

Gates 34146 Engine Coolant Thermostat

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Reliable Cooling with Gates Heavy-Duty Thermostat 34146

The Gates Heavy-Duty Thermostat 34146 is engineered to maintain optimal engine temperature for a variety of vehicles. Designed with durable steel and copper materials, this engine coolant thermostat ensures consistent performance under demanding conditions.

  • Constructed from steel and copper for durability and heat resistance
  • Weir-stat design for precise temperature regulation
  • Start to open temperature at 160°F (71°C) for effective engine cooling
  • O-ring seal type for secure and leak-free installation
  • Flange outside diameter of 3.19 inches and valve diameter of 2.27 inches
  • Height of 3.2 inches with a flange thickness of 0.16 inches

Product Line: Gates Heavy-Duty Thermostat

The Heavy-Duty Thermostat line by Gates focuses on robust cooling components designed for vehicles that operate under strenuous conditions. This product line emphasizes durability and reliable temperature control, making the 34146 thermostat suitable for trucks, SUVs, and other heavy-duty applications requiring consistent engine temperature management.

Technical Details and Features

The Gates 34146 thermostat features a weir-stat design, which provides accurate and responsive temperature control by regulating coolant flow based on engine heat. The thermostat begins to open at 160°F (71°C), allowing coolant to circulate and prevent overheating. Its steel and copper construction offers resistance to corrosion and thermal stress, extending the service life of the component. The O-ring seal ensures a tight fit within the housing, minimizing the risk of leaks. With a flange outside diameter of 3.19 inches and a valve diameter of 2.27 inches, this thermostat fits specific engine cooling systems requiring these dimensions.

Common Applications and Problem Solving

  • Prevents engine overheating by regulating coolant flow
  • Maintains optimal engine operating temperature for fuel efficiency
  • Reduces engine wear caused by temperature fluctuations
  • Replaces faulty or stuck thermostats in heavy-duty vehicles
  • Helps avoid coolant leaks with a reliable O-ring seal

Installation Notes and Tips

When installing the Gates Heavy-Duty Thermostat 34146, ensure the engine is cool before removal of the old thermostat. Clean the housing surface thoroughly to prevent sealing issues. This thermostat does not include an installation tool, so use appropriate hand tools to avoid damage. Verify the orientation of the thermostat matches the original to maintain proper coolant flow. Check the O-ring seal for proper placement to prevent leaks.

Quality Assurance and Warranty

Gates manufactures the Heavy-Duty Thermostat 34146 to meet stringent quality standards for durability and performance. The steel and copper materials are selected for corrosion resistance and thermal stability. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in heavy-duty automotive cooling systems.

BrandGates
Part Number34146
MaterialSteel, copper
Sealing Flange Outside Diameter3.19
Height Between Flanges1.44
DesignWeir-stat
TypeHeavy-duty thermostat
Height3.2
Gasket Quantity0
Jiggle Pin Weep HoleNo
Seal TypeO-ring
Start to Open Temperature160
Start to Open Temperature71
Installation Tool IncludedNo
Flange Thickness.16
98102.27
98411
98520
99071.6
DesignWeir-stat
Flange Thickness (in).16
Height from Flange (in)1.6
Includes Installation ToolNo
MaterialSteel, copper
Number of Gaskets0
Number of Jiggle Pins/Check Valves0
Number of Seals1
Valve Diameter (in)2.27

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

15006150082882757315763157833355503414634148353123573800638008406-1604061-8043181974318947433665949522044952210497337249733736141606141807501753379640644

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.