2003 Toyota Tundra Radiators & Parts

Replacement Radiators
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3.4L
4.7L
  • Replace® - Engine Coolant Radiator
    Replace®Engine Coolant Radiator
    0
    # 121429061
    Toyota Tundra 2003, Engine Coolant Radiator by Replace®. Outlet: 1 1/2". Row quantity: 1. The radiator contains a series of small tubes through which coolant flows from the engine. A network of fins surrounds the tubes. Airflow through...
    Same quality as OE for less moneyDesigned with the latest software and manufactured with modern tooling
    $158.23 - $170.35
  • Mishimoto® - Aluminum Radiator
    Mishimoto®Aluminum Radiator
    13
    # mpn4709151253
    Toyota Tundra 4.7L Transmission 2003, Aluminum Radiator by Mishimoto®. If you demand the absolute most from your cooling system, look no further than the Mishimoto Race-Ready Performance Radiator. This race-ready radiator is perfect for...
    Universal fitment for projects requiring exceptional fluid coolingUnique dual pass design is precision engineered to provide substantial heat transfer
    $551.04
  • TYC® - Engine Coolant Radiator
    TYC®Engine Coolant Radiator
    0
    # 306917611
    Toyota Tundra 2003, Engine Coolant Radiator by TYC®. Row quantity: 2. When you notice that your radiator is leaking, clogged or otherwise damaged, you don't have to pay the high dealer price for a replacement any more. Designed to be...
    OE quality at an affordable priceDirect replacement
    $166.89 - $171.18
  • CSF® - Engine Coolant Radiator
    CSF®Engine Coolant Radiator
    5
    # 718514148
    Toyota Tundra 2003, Engine Coolant Radiator by CSF®. 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...
    $123.52 - $449.00
  • Spyder Xtune® - Engine Cooling Radiator
    Spyder Xtune®Engine Cooling Radiator
    0
    # mpn5048138331
    Toyota Tundra 3.4L 2003, Engine Cooling Radiator by Spyder Xtune®. Bring down those high, damaging temperatures under the hood of your vehicle with this top-of-the-line performance engine cooling radiator by Spyder Xtune. Constructed...
    Efficient performance cooling solution for your high-power engine needsDesigned to tackle tremendous amounts of heat and extract it into the atmosphere
    $100.65
  • Denso® - Engine Coolant Radiator
    Denso®Engine Coolant Radiator
    10
    # 1736241952
    Toyota Tundra 2003, Engine Coolant Radiator by Denso®. 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...
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $182.37 - $192.95
  • gpd® - Engine Coolant Radiator
    gpd®Engine Coolant Radiator
    1
    # 3604961846
    Toyota Tundra 2003, Engine Coolant Radiator by gpd®. Radiators are an important part of the engine's cooling system. The main function of the radiator is to extract and dissipate heat from the engine. Radiators help cool the engine for...
    Designed to meet or exceed OE fit, form, and functionDurability tested on every new design
    $200.33 - $213.69
  • Agility® - Engine Coolant Radiator
    Agility®Engine Coolant Radiator
    1
    # 5706440089
    Toyota Tundra 2003, Engine Coolant Radiator by Agility®. Outlet: 1 1/2". Row quantity: 1. Construction: Plastic/Aluminum. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty...
    Crafted from the highest grade materialsDeveloped with modern technology and innovation
    $87.78 - $113.05
  • TRQ® - Radiator
    Save 3%
    TRQ®Radiator
    0
    # mpn4989919923
    Toyota Tundra 4.7L 2003, Radiator by TRQ®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part
    $167.76
    $172.95Save $5.19 (3%)
  • Spectra Premium® - Engine Coolant Radiator
    Spectra Premium®Engine Coolant Radiator
    13
    # 5798523514
    Toyota Tundra 2003, Engine Coolant Radiator by Spectra Premium®. Row quantity: 1. Construction: Aluminum/Plastic. The radiator is a heat exchanger that transfers heat from your engine to the air flowing through the fins. If it’s...
    All models are validated for fit, form, and function before released into the marketManufactured under ISO 9001 / TS 16949 quality system
    $136.11 - $212.14
  • 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 (3.4L)
    Toyota OECooling - Radiator & Components (3.4L)
    0
    # 2570644658
    Toyota Tundra 3.4L 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
    $3.07 - $229.17
  • Toyota OE - Cooling - Radiator & Components (4.7L)
    Toyota OECooling - Radiator & Components (4.7L)
    0
    # 3119193461
    Toyota Tundra 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
    $3.07 - $215.52
  • Koyorad® - Engine Coolant Radiator
    Koyorad®Engine Coolant Radiator
    2
    # mpn4669469123
    Toyota Tundra 4.7L 2003, Engine Coolant Radiator by Koyorad®. Plastic Tank with Aluminum Core. Row quantity: 2. Plastic Tank. Aluminum Core. When you notice that your radiator is leaking, clogged or otherwise damaged, you don't have to...
    OE quality at an affordable priceDirect replacement
    $160.29
  • iD Select® - Engine Coolant Radiator with Transmission Oil Cooler
    iD Select®Engine Coolant Radiator with Transmission Oil Cooler
    1
    # mpn4782225987
    Toyota Tundra 3.4L Transmission 2003, Engine Coolant Radiator with Transmission Oil Cooler by iD Select®. Core Size: 27 1/16" x 21 5/8" x 1 1/4". Swap out your worn-out or malfunctioning part with this top-notch product from iD Select....
    Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value
    $145.04
  • UAC® - Engine Coolant Radiator
    UAC®Engine Coolant Radiator
    0
    # 3886470136
    Toyota Tundra 2003, Engine Coolant Radiator by UAC®. 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...
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $157.94 - $165.72
  • Cold Case® - Aluminum Radiator
    Cold Case®Aluminum Radiator
    1
    # mpn4699894225
    Toyota Tundra 4.7L 2003, Aluminum Radiator by Cold Case®. This Cold Case radiator is tig welded 100% aluminum and are absolutely beautiful. Upgrade your cooling system today with Cold Case new 2 row aluminum radiators.
    100% TIG weldedAll Aluminum
    $436.22
  • Reach Cooling® - Engine Coolant Radiator
    Reach Cooling®Engine Coolant Radiator
    14
    # 1425775427
    Toyota Tundra 2003, Engine Coolant Radiator by Reach Cooling®. 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...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $174.46 - $179.26
  • OSC Heat Transfer Products® - Engine Coolant Radiator with Transmission Oil Cooler
    OSC Heat Transfer Products®Engine Coolant Radiator with Transmission Oil Cooler
    3
    # mpn2639501908
    Toyota Tundra 3.4L Transmission 2003, Engine Coolant Radiator with Transmission Oil Cooler by OSC Heat Transfer Products®. Core Size: 27 1/16" x 21 5/8" x 1 1/4". Keep your engine cool with premium grade OSC cooling parts. Made to meet...
    Designed to restore the proper operation of your cooling systemHelp maintain optimal heat transfer and cooling efficiency
    $204.19
  • Dorman® - Radiator Drain Petcock
    Dorman®Radiator Drain Petcock
    0
    # 2868592708
    Toyota Tundra 2003, Radiator Drain Petcock by Dorman®. Plastic Threaded. Finish: White. Dorman offers a variety of Radiator Drain Petcocks for a range of applications. Their high-quality design ensures effective draining of the cooling...
    Designed to maintain proper cooling level and prevent overheatingDurably engineered for a long service life
    $3.59 - $4.18


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2003 Toyota Tundra Radiators Reviews

1 review
Looks great, installation was a challenge, the tabs on each side that hold it in place were off, had to bend them out flat to install mounting screws, but it is doing fine the big thing is no leaks.
Posted by Michael (Simpsonville, SC) / December 22, 20182000 Toyota Tundra
2003 Toyota Tundra Models
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