Thermostats & Components

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    • (1 review)
      # sp10019
      Thermostat by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high quality product used in their vehicle.
      Offer precise pressure controlEnsure the proper fit
      $1.72 - $365.88
    • (1 review)
      # sp94891
      Thermostat by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $6.47 - $36.23
    • (0 reviews)
      # sp94306
      Coolant Thermostat and Housing Assembly by Beck Arnley®. For one hundred years, Beck Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the...
      OE quality products from top original equipmentTop quality materials
      $16.29 - $194.48
    • (0 reviews)
      # sp10592
      GM Original Equipment™ Engine Coolant Thermostat by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.27 - $130.32
    • (0 reviews)
      # sp124017
      Engine Coolant Thermostat with Housing by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and manufactured from the highest...
      Provides adaptive, on-demand engine coolingAllows ECU to regulate engine temperatures
      $9.95 - $355.60
    • (0 reviews)
      # sp6402
      Thermostat by Beck Arnley®. For one hundred years, Beck Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s, brand understands...
      Features a standard Jiggle Valve where required by OE and has a long stroke for maximum coolingSelf Cleaning and controls the flow of coolant through radiator regulating heat dissipation and allows engine to reach operating temp as quickly as possible
      $6.33 - $114.70
    • (0 reviews)
      # sp161509
      GM Original Equipment Engine Coolant Thermostat & Water Outlet Assembly by ACDelco®. Original Equipment machined to meet or exceed original specifications. Designed utilizing the latest technology, this product by ACDelco features...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $64.32 - $253.09
    • (0 reviews)
      # sp10657
      Professional™ Engine Coolant Thermostat by ACDelco®. ACDelco has a Thermostat and Cap for most GM vehicles on the road today. Engineered to work with your car, truck or SUV, ACDelco Professional Thermostats come in a variety of...
      Heavier-duty components and greater flow rates than standard-line thermostats.Designed to be OE-like.
      $2.72 - $34.14
    • (0 reviews)
      # sp119143
      Economy Thermostat by Motorad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high quality product used in their vehicle.
      Offer precise pressure controlEnsure the proper fit
      $1.41 - $1.46
    • (0 reviews)
      # mpn4525220056
      Engine Coolant Expansion Tank Thermostat by Genuine®. If your engine cooling system is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts...
      Designed to restore your vehicle’s engine cooling systemGenuine OE replacement parts from the OE manufacturer
      $109.98
    • (1 review)
      # sp138685
      Engine Coolant Thermostat by Genuine®. If your engine cooling system is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our...
      Designed to restore your vehicle’s engine cooling systemGenuine OE replacement parts from the OE manufacturer
      $11.40 - $260.37
    • (0 reviews)
      # sp138686
      Engine Coolant Thermostat and Housing Assembly by Genuine®. If your engine cooling system is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto...
      Designed to restore your vehicle’s engine cooling systemGenuine OE replacement parts from the OE manufacturer
      $51.54 - $540.32
    • (0 reviews)
      # sp153514
      Thermostat Assembly by Genuine®. If your engine cooling system is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our...
      Designed to restore your vehicle’s engine cooling systemGenuine OE replacement parts from the OE manufacturer
      $42.56 - $531.23
    • (0 reviews)
      # sp153516
      Thermostat Kit by Genuine®. If your engine cooling system is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our website...
      Designed to restore your vehicle’s engine cooling systemGenuine OE replacement parts from the OE manufacturer
      $26.71 - $27.51
    • (0 reviews)
      # sp114811
      Coolant Thermostat Assembly by Motorcraft®. With today’s complicated automotive engines, it is crucial to have the right cooling system components for accurate temperature control, pressure relief, and gasket seals. Motorcraft is the...
      Heavy-duty quality for long lifeStainless steel or brass bridge and spring frame, channel-constructed for strength and rigidity
      $17.37 - $246.98
    • (0 reviews)
      # sp158487
      Engine Coolant Thermostat by Motorcraft®. With today’s complicated automotive engines, it is crucial to have the right cooling system components for accurate temperature control, pressure relief, and gasket seals. Motorcraft is the...
      Direct OEM replacementMeets strict Ford Motor Company standards
      $13.30 - $53.71
    • (0 reviews)
      # mpn122907405
      Engine Coolant Thermostat Kit by Motorcraft®. Temperature: 190 Degrees. With today’s complicated automotive engines, it is crucial to have the right cooling system components for accurate temperature control, pressure relief, and...
      Direct OEM replacementMeets strict Ford Motor Company standards
      $30.58
    • (0 reviews)
      # sp163987
      Engine Coolant Thermostat by Auto 7®. Is the temperature gauge on your dashboard reading higher than normal? Do you smell antifreeze? Or even worse, is steam billowing out from under your hood? Auto 7 has the quality parts to repair...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts meet ISO/TS 16949, ISO 14000, and QS 9000 standards
      $10.31 - $68.17
    • (0 reviews)
      # sp115143
      SevereDuty™ Front Brake Pads by Wagner®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $35.95 - $83.90
    • (0 reviews)
      # sp8722
      Thermostat by Omix-ADA®. Designed utilizing the latest technology, this product by Omix-ADA features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      $7.29 - $34.41
    • (0 reviews)
      # mpn469958671
      Engine Coolant Low Temperature Thermostat by HKS®. HKS Lowtemp Thermostat's valve opening temperature is 75. (Stock's temperature is 100). HKS Lowtemp Thermostat can be replaced with the stock oil thermostat of Lancer Evolution I to X....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $86.57
    • (0 reviews)
      # sp119120
      Economy Thermostat by Stant®. Get fast engine warm-up and dependable engine operating temperature with a Stant thermostat. Stant’s exclusive ELAC® Thermostat Cutaway heat motor has a uniquely formulated thermally expansive wax fill...
      Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.
      $2.02 - $2.04
    • (0 reviews)
      # sp138760
      Engine Coolant Thermostat by Stant®. Get fast engine warm-up and dependable engine operating temperature with a Stant thermostat. Stant’s exclusive ELAC® Thermostat Cutaway heat motor has a uniquely formulated thermally expansive wax...
      Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.
      $8.32 - $23.12
    • (0 reviews)
      # sp119121
      Heavy Duty Thermostat by Stant®. Get fast engine warm-up and dependable engine operating temperature with a Stant thermostat. Stant’s exclusive ELAC® Thermostat Cutaway heat motor has a uniquely formulated thermally expansive wax...
      Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.
      $6.11 - $32.64
    • (1 review)
      # sp119123
      OE Exact Thermostat by Stant®. Get fast engine warm-up and dependable engine operating temperature with a Stant thermostat. Stant’s exclusive ELAC® Thermostat Cutaway heat motor has a uniquely formulated thermally expansive wax fill...
      Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.
      $6.65 - $18.98
    • (0 reviews)
      # sp119124
      OE Type Thermostat by Stant®. Get fast engine warm-up and dependable engine operating temperature with a Stant thermostat. Stant’s exclusive ELAC® Thermostat Cutaway heat motor has a uniquely formulated thermally expansive wax fill...
      Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.
      $2.39 - $28.16
    • (0 reviews)
      # sp119125
      Premium Thermostat by Stant®. Get fast engine warm-up and dependable engine operating temperature with a Stant thermostat. Stant’s exclusive ELAC® Thermostat Cutaway heat motor has a uniquely formulated thermally expansive wax fill...
      Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.
      $5.20 - $18.21
    • (0 reviews)
      # sp119126
      Engine Coolant Thermostat by Rein®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient replacement product and be sure the...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $5.83 - $63.19
    • (0 reviews)
      # sp138776
      Engine Coolant Thermostat and Housing Assembly by Rein®. Improve your vehicle's engine efficiency and extend its life expectancy with Rein Automotive parts that are built with premium quality fit, form, and function. All parts are...
      Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
      $16.03 - $93.31
    • (0 reviews)
      # sp119107
      Engine Coolant Economy Thermostat by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and manufactured from the highest quality...
      Great design and functionMade from sturdy materials
      $3.51 - $3.52




    Car engines are designed to operate within a relatively narrow temperature range. It goes without saying that serious damage can occur if that temperature is exceeded and an engine overheats. You might be surprised, but there is also the other side of the coin. An engine can be damaged and performance and mileage can suffer if the engine runs too cool as well. To keep the optimal temperature range every vehicle has a thermostat, a special device that regulates engine operating temperature to prevent its damage and ensure good performance, fuel economy and minimal emissions.

    In just about any vehicle the thermostat mounts in the water outlet where the upper radiator hose is attached. The thermostat contains a heat sensing element exposed to coolant. It restricts coolant flow through the radiator to allow the engine to warm up as fast as possible. As the engine warms and the coolant reaches the thermostat’s rated temperature, it opens and allows coolant to circulate. If coolant temperature drops, the thermostat closes, decreasing coolant flow, thereby regulating engine temperature and maintaining optimum engine performance and horsepower.

    A thermostat can fail and stick in the open or closed position. If it fails in the closed position, coolant flow will be restricted and the engine will overheat, possibly causing extensive damage like a blown head gasket, cylinder head warpage, and excessive stress to other engine components like pistons, rings, and cylinder walls. If the thermostat fails open, the engine will be slow to warm up, and may never reach the proper operating temperature. This can result in poor output from the heater in cold weather, and also cause performance, fuel economy and emissions problems.

    Engine coolant temperature is an important input to the powertrain control module (PCM) that controls engine function. Low coolant temperature may prevent the engine from going into closed loop where it operates most efficiently, and the air/fuel mixture may stay rich resulting in poor fuel mileage and excessive emissions. Exhaust gas recirculation (EGR), evaporative emissions, and transmission torque converter lockup functions are also dependent on coolant temperature. An engine that runs cold may never evaporate the moisture that is a byproduct of combustion, which can contaminate the oil and cause sludge to form.

    Regardless of your thermostat’s mode of failure, we have the replacement thermostat that will restore proper cooling system performance and engine operating efficiency. When choosing a replacement, always select a thermostat with the vehicle manufacturer’s recommended temperature rating. In addition to thermostats, we also have the necessary gaskets and seals required for installation. And if you should find that your water outlet or thermostat housing is cracked, corroded or otherwise damaged and unusable, we have OE spec replacements so you can complete the repair.

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    Replacement Thermostats Reviews

    Average rating:    5 - 54 reviews
    4.5 of 5
    Looks Good
    Have not installed yet but does look great and feel great quality too.
    Posted by Christa (Sanger, TX) / November 9, 20181999 Buick Century
    Was this review helpful for you? Yes
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