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L5P Duramax OEM Style Primary Radiator CSF 3928

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    When it comes to maintaining the health and longevity of your heavy-duty truck, the cooling system is your first line of defense against premature engine wear. A damaged or leaking primary radiator in a 2020-2023 GM 6.6L Duramax L5P can quickly lead to overheating, reduced performance, and costly engine repairs. Replacing your compromised unit with the CSF 3928 OEM Style Replacement Primary Radiator is a smart, preventative upgrade for your Chevy Silverado or GMC Sierra 2500HD/3500HD. Built by CSF, a trusted global leader in automotive cooling, this premium radiator goes beyond a standard quick-fix by offering an OE-level replacement that matches the original cooling capacity while incorporating manufacturing enhancements to ensure long-term reliability.

    • Drop-In Installation: Engineered to exact original equipment dimensions, allowing for a direct, hassle-free replacement that fits perfectly without any vehicle modifications.
    • Rigorous Testing Standards: Every radiator design is subjected to strict in-house testing, including wind tunnel evaluations, burst pressure tests, thermal cycling, and salt spray corrosion testing.
    • Premium OE-Style Replacement: Manufactured from the highest quality materials to meet or exceed original equipment specifications for peak thermal efficiency.
    • Quality Assured: Each individual unit is pressure tested and stamped with a unique serial number certification to guarantee leak-free operation straight out of the box.
    • Comprehensive Protection: Backed by a 1-year warranty to give you absolute peace of mind on the road and under heavy towing loads.

    Choosing a radiator backed by CSF's testing means you are investing in a component that has been meticulously vetted against the most common cooling system failure points. CSF utilizes its state-of-the-art testing facilities to analyze original equipment weaknesses, applying advanced manufacturing techniques to produce a more robust aftermarket solution. This commitment to quality ensures that your Duramax L5P remains properly cooled, even during high-ambient temperatures and demanding towing conditions. Investing in the CSF 3928 primary radiator protects your truck's engine from the catastrophic effects of overheating, securing its performance for miles to come.



    Specifications:
    • Bottom Hose Fitting (in): 2-1/4 Right
    • Top Hose Fitting (in): 2 Left
    • Core Length (in): 34-1/2
    • Core Material: Aluminum
    • Core Thickness (in): 2-1/16
    • Core Width (in): 30-5/8
    • Cross-Flow/ Down-flow: Cross Flow
    • Hazardous Material: No
    • Inlet Length (in): 31-5/16
    • Inlet Width (in): 2-11/16
    • No. Of Rows: 2
    • Oil Cooler (in): 11-1/2 (High-Efficiency Plate Type)
    • Outlet Length (in): 31-5/16
    • Outlet Width (in): 2-11/16
    • Radiator Cap Supplied: No
    • Tank Material: Plastic
    • Tech Note: O.E.M. Style Plastic Tank & Aluminum Core with Quick-Connect Outlet Pipe & Oil Cooler Fittings

    Purchase L5P Duramax OEM Style Primary Radiator CSF 3928

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    L5P Duramax OEM Style Primary Radiator CSF 3928 SKU: csf3928

    $403.20

    Qualifies for Free Shipping Over $199

    Fits: L5P Duramax 2020-2023 (Primary Radiator)
    Warranty: 1 Year

     

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    When it comes to maintaining the health and longevity of your heavy-duty truck, the cooling system is your first line of defense against premature engine wear. A damaged or leaking primary radiator in a 2020-2023 GM 6.6L Duramax L5P can quickly lead to overheating, reduced performance, and costly engine repairs. Replacing your compromised unit with the CSF 3928 OEM Style Replacement Primary Radiator is a smart, preventative upgrade for your Chevy Silverado or GMC Sierra 2500HD/3500HD. Built by CSF, a trusted global leader in automotive cooling, this premium radiator goes beyond a standard quick-fix by offering an OE-level replacement that matches the original cooling capacity while incorporating manufacturing enhancements to ensure long-term reliability.


    Drop-In Installation: Engineered to exact original equipment dimensions, allowing for a direct, hassle-free replacement that fits perfectly without any vehicle modifications.
    Rigorous Testing Standards: Every radiator design is subjected to strict in-house testing, including wind tunnel evaluations, burst pressure tests, thermal cycling, and salt spray corrosion testing.
    Premium OE-Style Replacement: Manufactured f[...]

    When it comes to maintaining the health and longevity of your heavy-duty truck, the cooling system is your first line of defense against premature engine wear. A damaged or leaking primary radiator in a 2020-2023 GM 6.6L Duramax L5P can quickly lead to overheating, reduced performance, and costly engine repairs. Replacing your compromised unit with the CSF 3928 OEM Style Replacement Primary Radiator is a smart, preventative upgrade for your Chevy Silverado or GMC Sierra 2500HD/3500HD. Built by CSF, a trusted global leader in automotive cooling, this premium radiator goes beyond a standard quick-fix by offering an OE-level replacement that matches the original cooling capacity while incorporating manufacturing enhancements to ensure long-term reliability.

    • Drop-In Installation: Engineered to exact original equipment dimensions, allowing for a direct, hassle-free replacement that fits perfectly without any vehicle modifications.
    • Rigorous Testing Standards: Every radiator design is subjected to strict in-house testing, including wind tunnel evaluations, burst pressure tests, thermal cycling, and salt spray corrosion testing.
    • Premium OE-Style Replacement: Manufactured from the highest quality materials to meet or exceed original equipment specifications for peak thermal efficiency.
    • Quality Assured: Each individual unit is pressure tested and stamped with a unique serial number certification to guarantee leak-free operation straight out of the box.
    • Comprehensive Protection: Backed by a 1-year warranty to give you absolute peace of mind on the road and under heavy towing loads.

    Choosing a radiator backed by CSF's testing means you are investing in a component that has been meticulously vetted against the most common cooling system failure points. CSF utilizes its state-of-the-art testing facilities to analyze original equipment weaknesses, applying advanced manufacturing techniques to produce a more robust aftermarket solution. This commitment to quality ensures that your Duramax L5P remains properly cooled, even during high-ambient temperatures and demanding towing conditions. Investing in the CSF 3928 primary radiator protects your truck's engine from the catastrophic effects of overheating, securing its performance for miles to come.



    Specifications:
    • Bottom Hose Fitting (in): 2-1/4 Right
    • Top Hose Fitting (in): 2 Left
    • Core Length (in): 34-1/2
    • Core Material: Aluminum
    • Core Thickness (in): 2-1/16
    • Core Width (in): 30-5/8
    • Cross-Flow/ Down-flow: Cross Flow
    • Hazardous Material: No
    • Inlet Length (in): 31-5/16
    • Inlet Width (in): 2-11/16
    • No. Of Rows: 2
    • Oil Cooler (in): 11-1/2 (High-Efficiency Plate Type)
    • Outlet Length (in): 31-5/16
    • Outlet Width (in): 2-11/16
    • Radiator Cap Supplied: No
    • Tank Material: Plastic
    • Tech Note: O.E.M. Style Plastic Tank & Aluminum Core with Quick-Connect Outlet Pipe & Oil Cooler Fittings

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