2003 Hummer H2 Radiators

Your 2003 Hummer H2 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Radiators you desperately need.

We currently carry 4 Radiators to choose from for your 2003 Hummer H2, and our inventory prices range from as little as $266.99 up to $416.93.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Radiators for the 2003 Hummer H2. We only sell parts from trusted brands like Carquest Premium so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 168 reviews on our Radiators for the 2003 Hummer H2 from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Radiators stock in-person!

Radiators for Your 2003 Hummer H2

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432298)

Radiator: With Transmission Oil Cooler

from

$266.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle¿s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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Carquest Premium – Radiator: With Engine and Transmission Oil Coolers (Part No.432306)

Radiator: With Engine and Transmission Oil Coolers

from

$283.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle¿s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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ACDelco – GM Original Equipment Radiator (Part No.G1000349056ACD)

GM Original Equipment Radiator

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$416.93
An ACDelco GM Original Equipment Radiator is a heat exchanger located typically in the front of the vehicle, where air can flow through the fins while the vehicle is moving. A modern radiator is made from aluminum and plastic, while older vehicles used copper and brass. These radiators are corrosion resistant with optimal heat transfer characteristics. These original equipment radiators are engineered to fit your specific GM vehicle and will provide the same performance, durability, and service life of your factory original equipment radiator. The radiator is the heart of a vehicle’s cooling system, so get the GM quality you know and trust with ACDelco GM Original Equipment Radiators and Radiator Parts. Stay with the parts brand your vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Radiators and Radiator Parts are engineered for virtually every make and model of GM car, light duty truck, and sport utility vehicle.

Product Features:
  • Superior fin waves provide a higher heat transfer
  • Lightweight; the radiators have a positive heat transfer to weight ratio
  • Corrosion-resistant aluminum core makes ACDelco GM OE Radiators long lasting
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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CSF Cooling – 17-1/4"W X 34"L X 1-1/4"D Core, Crossflow, Aluminum (Part No.3728)

17-1/4"W X 34"L X 1-1/4"D Core, Crossflow, Aluminum

from

$267.99
CSF Radiators are designed and built to High Performance Standards. Radiators are carefully engineered and Wind Tunnel Tested in laboratory for Cooling Performance Validation. We have over 10,000 different models of Radiators that we manufacture and supply for all the leading brands of vehicles on the road.

Product Features:
  • OEM Specified Plastic Tank-Aluminum Core Construction
  • Tanks Are Made From Virgin Grade Engineered Plastic Resins, Which Are Glass Filled For Added Strength And Durability
  • Gaskets Are Made From Special Grade EPDM Rubber To Withstand Extreme Temperatures Of Up To -120 Degrees Fahrenheit
  • Tubes Welded Type Or Latest Generation B-Tube Design
  • Fins High Performance Multi-Louvered Design OEM Spec
  • 100 Percent Leak Tested Before Leaving Factory At 150 Percent Of Operating Pressure
  • High Performance Transmission Cooler With Special Built-In Turburlator, When Applicable
  • Drop-In Fit
  • All Components Are Installed, Torqued And Tested On Radiator During Assembly
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