DeWitts® - Direct Fit™ Pro Series Aluminum Radiator with Fan

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$1,049.99 - $1,769.99
Varies - Depends on Product Options
1974 GMC Suburban
Fits Following Model(s):
  • C15/C1500 Suburban / K15/K1500 Suburban 5.7L
    Fits Models with Chevy small block Gen III/IV LS-based Engine.
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    Product Details

    GMC C15/C1500 Suburban / K15/K1500 Suburban 5.7L 1974, Direct Fit™ Pro Series Aluminum Radiator with Fan by DeWitts®. Inlet Location: Upper Passenger Side. Outlet Location: Lower Passenger Side. Fan Quantity: Dual. Fan Diameter: 11". Air Flow: 2780 cfm. Blade Color: Black. To replace your vehicle’s classic cooling system, install this Direct-Fit Aluminum Radiator from DeWitts. The radiator is covered by a manufacturer’s lifetime warranty to ensure that this will be the last radiator you need to purchase!

    Fitment notes: Fits Models with Chevy small block Gen III/IV LS-based Engine.



    Radiator Style: Crossflow
    Inlet Location: Upper passenger side
    Outlet Location: Lower passenger side
    Radiator Material: Aluminum
    Row Quantity: 2
    Fan Included: Yes
    Fan Quantity: Dual
    Fan Diameter: 11"
    Maximum Fan CFM: 2,780 cfm
    Blade Material: Plastic
    Blade Color: Black
    Shroud Material: Plastic
    Radiator Cap Included: Yes
    Quantity: Kit


    • Durable construction to deliver dependable service for years
    • Built using the most technologically advanced equipment
    • High-end design ensures your greatest experience

    All aluminum radiators begin with an aluminum "core," regardless of the brand or origin. The core is the most important part of any radiator because the quality of the radiator is dictated by the braze quality of the core section. The tubes must be bonded completely to the fin or heat transfer will suffer. All the tubes must be thoroughly brazed into the header plates or leaks will develop over time. This Direct-Fit Aluminum Radiator from DeWitts is the only aftermarket radiator that features brazed aluminum radiator cores built in house. It goes through the stringent quality control process to ensure superior quality and reliability.

    DeWitts® aluminum radiators are Made in Michigan and we control 100% of the manufacturing process in house. DeWitts CAB brazing furnace allows us to produce the finest aluminum cores in the industry. They have the flexibility to build custom aluminum radiators in several tube widths and fin designs. DeWitts began building Direct Fit™ Corvette radiators over 15 years ago. DeWitts have expanded line to many other makes and models, using the same degree of attention.


    DeWitts Radiator, LLC. (DRL) warrants all aluminum radiators to be free from defects in materials and workmanship for as long as you own the vehicle in which it was originally installed. This warranty is extended only to the first purchaser of any such radiator. If the radiator is used in any racing application, this warranty is considered null and void.

    This warranty does not cover labor and materials not manufactured by DRL. Radiators repaired or altered by parties outside DRL are not covered by this warranty. The retail purchaser is responsible for the appropriate use and application of the product.

    This warranty does not cover the effects of physical or chemical properties of water, steam, or other liquids used in the radiator. Radiators used without an adequate proportion of premium quality antifreeze coolant and distilled water are not covered by this warranty. DRL radiators require a correct proportion of quality coolant, which contains aluminum corrosion inhibitors in the formula and distilled water. All Corvette cooling systems must include a radiator pressure cap with the proper pressure rating.

    Claims for internal damage of the engine, components, cosmetics, or user’s vehicle are not covered by this warranty. It is the responsibility of the product user to monitor engine operation and have proper detection devices installed to warn the user of overheating. Specific exemptions to this warranty include tube damage, tubes ballooning or bursting from excessive engine operating temperate or pressure, internal corrosion due to inadequate proportions of antifreeze/coolant, or damage to the radiator resulting from collision or service. DRL shall not be responsible for damages to its product or injury to persons using the product when improperly opening radiator pressure caps, burst hoses, etc. DRL shall not be responsible for injury or harm to persons or property caused by persons or vehicles using its products.

    Magnuson-Moss Warranty Act:
    Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More
    Low Prices Price match guarantee
    Guaranteed Fitment Always the correct part
    In-House Experts We know our products
    Easy Returns Quick & Hassle Free

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