2003 Toyota 4Runner Thermostats & Parts

Replacement Thermostats
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4.0L
4.7L
  • iD Select® - Engine Coolant Thermostat
    iD Select®Engine Coolant Thermostat
    0
    # 5739011071
    Toyota 4Runner 2003, Engine Coolant Thermostat by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and function as your...
    Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value
    $7.16 - $32.35
  • MotoRad® - Engine Coolant Thermostat
    MotoRad®Engine Coolant Thermostat
    0
    # 5738933482
    Toyota 4Runner 4.7L 2003, Engine Coolant 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...
    Offer precise pressure controlEnsure the proper fit
    $7.37 - $11.76
  • Gates® - OE Type Engine Coolant Thermostat
    Gates®OE Type Engine Coolant Thermostat
    1
    # 1216320573
    Toyota 4Runner 4.7L 2003, OE Type Engine Coolant 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...
    Map Controlled - Bolt-on solution with included sensor that links to the engine control unitSame easy installation as standard ITH
    $22.20 - $25.61
  • Mahle® - Engine Coolant Thermostat and Housing Assembly
    Mahle®Engine Coolant Thermostat and Housing Assembly
    0
    # mpn4561659671
    Toyota 4Runner 4.0L 2003, Engine Coolant Thermostat and Housing Assembly by Mahle®. Temperature: 82C. Want to keep your engine from overheating? Replace your faulty engine coolant thermostat with this high-quality Mahle thermostat...
    Proven to keep engine coolant temperature at an optimal levelCrafted from the finest materials for exceptional dependability
    $34.72
  • Original (OEM) - Engine Cooling Parts
    Original (OEM)Engine Cooling Parts
    0
    No matter the type of vehicle you drive, its heart needs efficient cooling to perform reliably. This is why all vehicles come with a cooling system that prevents the engine from overheating and allows it to operate within a safe...
  • Toyota OE - Cooling - Radiator & Components (4.7L)
    Toyota OECooling - Radiator & Components (4.7L)
    0
    # 2570408179
    Toyota 4Runner 4.7L 2003, Cooling - Radiator & Components by Toyota OE. There's no better way to make your Toyota look and perform the way it should than relying on genuine Toyota OE parts. Unlike many aftermarket parts, these are made...
    Genuine Toyota OEM parts designed to fit perfectlyCrafted from high-grade materials to ensure superior quality
    $1.53 - $644.52
  • MotoRad® - Engine Coolant Thermostat and Housing Assembly
    MotoRad®Engine Coolant Thermostat and Housing Assembly
    0
    # 5739012114
    Toyota 4Runner 4.0L 2003, Engine Coolant Thermostat and Housing Assembly 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...
    Offer precise pressure controlEnsure the proper fit
    $28.44 - $41.93
  • Gates® - Engine Coolant Thermostat with Housing and Seal
    Gates®Engine Coolant Thermostat with Housing and Seal
    0
    # mpn119856289
    Toyota 4Runner 4.0L 2003, Engine Coolant Thermostat with Housing and Seal by Gates®. Temperature: 180F. 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...
    Provides adaptive, on-demand engine coolingAllows ECU to regulate engine temperatures
    $50.15
  • Four Seasons® - Engine Coolant Water Outlet with Thermostat
    Four Seasons®Engine Coolant Water Outlet with Thermostat
    0
    # mpn5124938539
    Toyota 4Runner 4.0L 2003, Engine Coolant Water Outlet with Thermostat by Four Seasons®. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts experience, fix it once and...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $30.47
  • Beck Arnley® - Engine Coolant Thermostat and Housing Assembly with Gasket/Seal
    Beck Arnley®Engine Coolant Thermostat and Housing Assembly with Gasket/Seal
    0
    # mpn4722874102
    Toyota 4Runner 4.0L 2003, Engine Coolant Thermostat and Housing Assembly with Gasket/Seal by Beck Arnley®. Temperature: 180F. For one hundred years, Beck Arnley has been providing premium OE quality parts for vehicles. Beginning with...
    OE quality products from top original equipmentTop quality materials
    $41.75
  • Mishimoto® - Racing Thermostat
    Mishimoto®Racing Thermostat
    0
    # mpn4620452805
    Toyota 4Runner 4.0L 2003, Racing Thermostat by Mishimoto®. Mishimoto Racing Thermostat will promote greater cooling efficiency throughout your engine. A Mishimoto racing thermostat will significantly lower high engine temperature...
    $75.95
  • MotoRad® - Fail Safe™ Series Thermostat
    MotoRad®Fail Safe™ Series Thermostat
    0
    # 5739001570
    Toyota 4Runner 4.7L 2003, Fail Safe™ Series Thermostat by MotoRad®. Fail-Safe Thermostats offer premium, patented technology for superior protection over any thermostat on the market. Only Fail-Safe is designed to lock in the open...
    $13.27 - $13.69
  • Genuine® - Engine Coolant Thermostat
    Genuine®Engine Coolant Thermostat
    0
    # mpn4620452594
    Toyota 4Runner 4.0L 2003, 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...
    Designed to restore your vehicle’s engine cooling systemGenuine OE replacement parts from the OE manufacturer
    $79.35
  • AISIN® - Engine Coolant Thermostat
    AISIN®Engine Coolant Thermostat
    1
    # mpn4617540429
    Toyota 4Runner 4.7L 2003, Engine Coolant Thermostat by AISIN®. Temperature: 180F. 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...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $19.25
  • MotoRad® - UltraStat™ Series Thermostat
    MotoRad®UltraStat™ Series Thermostat
    0
    # 5738971235
    Toyota 4Runner 4.7L 2003, UltraStat™ Series Thermostat by MotoRad®. The new MotoRad UltraStat® thermostats are an innovative line offering many features and benefits over the original equipment. Heavy gauge stainless steel...
    $13.24
  • DIY Solutions® - Engine Coolant Thermostat
    Save 7%
    DIY Solutions®Engine Coolant Thermostat
    0
    # mpn4830643557
    Toyota 4Runner 4.7L 2003, Engine Coolant Thermostat by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out for. When...
    Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again
    $42.64
    $45.85Save $3.21 (7%)
  • DIY Solutions® - Engine Coolant Thermostat Kit
    Save 7%
    DIY Solutions®Engine Coolant Thermostat Kit
    0
    # mpn4830643518
    Toyota 4Runner 4.7L 2003, Engine Coolant Thermostat Kit by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out for....
    Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again
    $66.35
    $71.35Save $5.00 (7%)
  • iD Select® - FailSafe™ Engine Coolant Thermostat
    iD Select®FailSafe™ Engine Coolant Thermostat
    0
    # 5738937745
    Toyota 4Runner 4.7L 2003, FailSafe™ Engine Coolant Thermostat by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and...
    Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value
    $12.94
  • AISIN® - Engine Coolant Thermostat and Housing
    AISIN®Engine Coolant Thermostat and Housing
    0
    # mpn4636629780
    Toyota 4Runner 4.0L 2003, Engine Coolant Thermostat and Housing by AISIN®. Temperature: 180F. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $35.48
  • Facet® - Engine Coolant Thermostat
    Facet®Engine Coolant Thermostat
    0
    # 5738912233
    Toyota 4Runner 4.7L 2003, Engine Coolant Thermostat by Facet®. Facet products are designed, manufactured, and tested internally and the external works are entrusted to selected partners that operate in an integrated manner with Facet...
    The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components
    $10.95 - $15.86
  • Kuzeh® - Engine Coolant Thermostat
    Kuzeh®Engine Coolant Thermostat
    1
    # mpn4617539533
    Toyota 4Runner 4.7L 2003, Engine Coolant Thermostat by Kuzeh®. 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...
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $24.47
  • NTC® - Engine Coolant Thermostat
    NTC®Engine Coolant Thermostat
    0
    # 5738937264
    Toyota 4Runner 2003, Engine Coolant Thermostat by NTC®. Temperature: 82C. 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...
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $25.28 - $58.00
  • MotoRad® - Engine Coolant Thermostat Seal
    MotoRad®Engine Coolant Thermostat Seal
    0
    # 5738863349
    Toyota 4Runner 4.7L 2003, Engine Coolant Thermostat Seal by MotoRad®. MotoRad seals and gaskets are made from high quality materials suitable for resistance to high temperatures and engine coolant to maintain a superior, long lasting seal.
    Made of High quality materialsResistance to high tempertures
    $0.65 - $0.67
  • Genuine® - Engine Coolant Thermostat Gasket
    Genuine®Engine Coolant Thermostat Gasket
    0
    # mpn4565180531
    Toyota 4Runner 4.0L 2003, Engine Coolant Thermostat Gasket 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...
    Designed to restore your vehicle’s engine cooling systemGenuine OE replacement parts from the OE manufacturer
    $0.94
  • AISIN® - Engine Coolant Thermostat Gasket
    AISIN®Engine Coolant Thermostat Gasket
    0
    # mpn4732964722
    Toyota 4Runner 4.7L 2003, Engine Coolant Thermostat Gasket by AISIN®. 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...
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $2.82
  • Mahle® - Engine Coolant Thermostat Gasket
    Mahle®Engine Coolant Thermostat Gasket
    0
    # 6058615164
    Toyota 4Runner 2003, Engine Coolant Thermostat Gasket by Mahle®. Keep your cooling system running leak-free, with superior-grade Mahle seals and gaskets designed to provide OE form, fit, and function. Made using advanced technology and...
    Designed to seal your cooling system from leaksMade from high-quality materials for utmost reliability
    $1.32 - $7.79
  • Facet® - Engine Coolant Thermostat Seal
    Facet®Engine Coolant Thermostat Seal
    0
    # mpn4684669056
    Toyota 4Runner 4.7L 2003, Engine Coolant Thermostat Seal by Facet®. Facet products are designed, manufactured, and tested internally and the external works are entrusted to selected partners that operate in an integrated manner with...
    The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components
    $3.28
  • DIY Solutions® - Engine Coolant Thermostat Seal
    DIY Solutions®Engine Coolant Thermostat Seal
    0
    # mpn4830643788
    Toyota 4Runner 4.7L 2003, Engine Coolant Thermostat Seal by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out for....
    Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again
    $24.43
  • Ishino® - Engine Coolant Thermostat Gasket
    Ishino®Engine Coolant Thermostat Gasket
    0
    # 5738816852
    Toyota 4Runner 4.7L 2003, Engine Coolant Thermostat Gasket by Ishino®. 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...
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $3.75 - $4.03


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2003 Toyota 4Runner Thermostats Reviews

1 review
Great product, exactly like one from the factory.
Posted by Lance Z (Boise, ID) / January 04, 20182007 Toyota 4Runner
2003 Toyota 4Runner Models
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