MOTORAD
More Information for MOTORAD 459174
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MOTORAD 459174  
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MOTORAD 459174 Specifications
Bolt Hole Quantity0
ColorSilver
Depth (IN)1.54
DesignOEM
ElectricNo
Engine Coolant Thermostat Quantity1
Flange Height (IN)1.80
Flange Thickness (IN)0.07
Gasket or Seal IncludedYes
Gasket Or Seal MaterialRubber
Gasket Quantity0
Gasket or Seal PreinstalledYes
Height (IN)3.12
Height Between Flanges (in)1.54
Height From Flange1.74 IN
Installation Tool IncludedNo
Jiggle Pin Check Valve Quantity0
Jiggle Pin Weep HoleNo
MaterialRubber
Mounting Depth From Flange1.54 in
Seal MaterialRubber
Seal Quantity1
Seal TypeO-Ring
Sealing Flange Outside Diameter (IN)2.87
Start to Open Temperature (FA)174.0
TypeStandard
174 Degree; Standard; Includes Rubber Seal on Flange
Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant.

Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
Which Thermostat Is Right For You?

Type Lifespan Flow Rate Precise Temperature Control Fail-Safe Engine Protection
Economy
Standard Replacement
★★ ★★
Performance
★★ ★★ ★★
Heavy Duty ★★★ ★★ ★★★
Premium
★★ ★★
What Temperature Thermostat Do I Need?

Thermostats have a “rated” temperature (such as 180F or 195F). This is the temperature the thermostat will start to open, releasing heated coolant from the engine into the radiator. The thermostat will fully open once the coolant gets another ten or fifteen degrees warmer.

OE TEMPERATURE

These thermostats match the OEM-specified temperature rating for the vehicle. Manufacturers recommend an OE temperature thermostat for most engines, especially for:

  • Modern engines with computers that use the coolant temperature to help control the fuel, emissions and other important systems

ALTERNATE TEMPERATURE

These thermostats have a temperature rating below (cooler than) the OEM-specified temperature rating for the vehicle. This option may make sense for use in:

  • Modified Engines
  • Performance Applications
  • Older / Classic Vehicles
Cooling System Maintenance | Tips & Tools

Without regular maintenance, cooling system components will degrade and fail prematurely, which can lead to costly engine damage. Protect your engine with simple preventative maintenance:

  • Completely drain and flush the system using Cooling System Flush prior to installation. Flushing the system is critical to prevent system contamination and failure.
  • Consider replacing the Radiator Hoses (and Hose Clamps) and Radiator Cap as part of routine preventative maintenance. System contamination can cause these parts to degrade and fail over time, which can lead to severe engine damage from overheating.
  • Refill radiator with fresh Coolant / Antifreeze according to the volume and formula specified in your Owner's Manual. Inspect levels and condition every year.
Videos

Cooling System Overview

Installing an Automotive Thermostat


Attention California Customers - WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

OEM / Interchange Numbers: 11531315063, 11531407772, 11537835558, 11537836155

MOTORAD Warranty Information:
12 Months