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COOLING SYSTEM

COOLING SYSTEM

COOLING SYSTEM

Upgrade your Duramax cooling system with our wide selection of high-quality parts and components. From radiator fans to hose kits, we have everything you need to keep your engine running cool and performing at its best.

Cooling system upgrades are essential for maintaining engine health, especially for LMM or LLY models. Improve your vehicle's performance by investing in a Duramax radiator replacement or an electric fan conversion kit. Our aftermarket cooling parts like upper radiator hoses and coolant solutions are designed to help your engine run cooler and last longer.

At CPP Diesel, we pride ourselves on carrying top brands like Derale and Mishimoto to ensure that you're getting the best quality parts for your Duramax engine. With our fast shipping and exceptional customer service, you can trust us to provide you with the products you need to enhance your cooling system.

Don't let your engine overheat - shop our selection of Duramax electric fans, radiators, and other essential cooling system parts today. If you have any questions or can't find what you're looking for, feel free to reach out to us. Order your Duramax cooling system parts from CPP Diesel and keep your engine running cool.
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  • AFE POWER 46-52041 BLADERUNNER STREET SERIES HIGH CAPACITY ALUMINUM RADIATOR FOR 06-10 GM 6.6 DURAMAX AFE POWER 46-52041 BLADERUNNER STREET SERIES HIGH CAPACITY ALUMINUM RADIATOR FOR 06-10 GM 6.6 DURAMAX

    AFE POWER 46-52041 BLADERUNNER STREET SERIES HIGH CAPACITY ALUMINUM RADIATOR FOR 06-10 GM 6.6 DURAMAX

    AFE POWER

    $1,187.63
    Elevate the performance of your GM diesel truck with the AFE POWER 46-52041 BladeRunner Street Series High Capacity Aluminum Radiator. Specifically designed for GMC trucks manufactured between 2006 and 2010 featuring the powerful V8-6.6L (TD) engine,...
    $1,187.63
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    $1,187.63
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  • AFE POWER 46-52031 BLADERUNNER STREET SERIES ALUMINUM RADIATOR FOR 01-05 GM 6.6 DURAMAX AFE POWER 46-52031 BLADERUNNER STREET SERIES ALUMINUM RADIATOR FOR 01-05 GM 6.6 DURAMAX

    AFE POWER 46-52031 BLADERUNNER STREET SERIES ALUMINUM RADIATOR FOR 01-05 GM 6.6 DURAMAX

    AFE POWER

    $1,187.63
    The AFE POWER 46-52031 BladeRunner Street Series Aluminum Radiator is the ultimate solution for enhancing the cooling performance of your GM diesel truck. Designed specifically for 2001-2005 GM 6.6 Duramax engines, this advanced radiator takes heat...
    $1,187.63
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    $1,187.63
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  • MISHIMOTO MMRAD-DMAX-11  ALUMINUM RADIATOR  2011-2016 GM DURAMAX 6.6L

    MISHIMOTO MMRAD-DMAX-11 ALUMINUM RADIATOR 2011-2016 GM DURAMAX 6.6L

    MISHIMOTO

    $1,514.01
    Enhance the cooling performance of your Chevrolet/GMC 6.6L Duramax engine with the Mishimoto MMRAD-DMAX-11 Aluminum Radiator designed for the 2011-2016 models. Crafted from top-notch aircraft-grade aluminum, this high-quality radiator boasts a 100%...
    $1,514.01
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    $1,514.01
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  • MISHIMOTO MMRAD-DMAX-06  ALUMINUM RADIATOR  2006-2010 GM DURAMAX 6.6L

    MISHIMOTO MMRAD-DMAX-06 ALUMINUM RADIATOR 2006-2010 GM DURAMAX 6.6L

    MISHIMOTO

    $1,429.82
    The MISHIMOTO MMRAD-DMAX-06 Aluminum Radiator for 2006-2010 GM Duramax 6.6L trucks is the ultimate performance upgrade for your Chevrolet or GMC vehicle. Specifically designed to fit Duramax engines, this radiator is crafted from top-quality...
    $1,429.82
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  • MISHIMOTO MMRAD-DMAX-01  ALUMINUM RADIATOR  2001-2005 GM DURAMAX 6.6L MISHIMOTO MMRAD-DMAX-01  ALUMINUM RADIATOR  2001-2005 GM DURAMAX 6.6L

    MISHIMOTO MMRAD-DMAX-01 ALUMINUM RADIATOR 2001-2005 GM DURAMAX 6.6L

    MISHIMOTO

    $1,378.75
    The Mishimoto MMRAD-DMAX-01 Aluminum Radiator is the ultimate cooling solution for Chevrolet/GMC 6.6L Duramax models from 2001 to 2005. Crafted with precision and expertise, this performance radiator is constructed from aircraft-grade aluminum, ensuring...
    $1,378.75
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  • MISHIMOTO MMFAN-CNTL-U18NPT  ADJUSTABLE FAN CONTROLLER KIT

    MISHIMOTO MMFAN-CNTL-U18NPT ADJUSTABLE FAN CONTROLLER KIT

    MISHIMOTO

    $132.43
    The Mishimoto Adjustable Fan Controller Kit is an essential upgrade for anyone seeking optimal performance from their vehicle's cooling system. Specifically designed for cars equipped with 12v electric fans, this versatile kit ensures you maintain...
    $132.43
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    $132.43
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  • MISHIMOTO MMRA-LC   LIQUID CHILL® RADIATOR  COOLANT ADDITIVE MISHIMOTO MMRA-LC   LIQUID CHILL® RADIATOR  COOLANT ADDITIVE

    MISHIMOTO MMRA-LC LIQUID CHILL® RADIATOR COOLANT ADDITIVE

    MISHIMOTO

    $31.68
    Mishimoto Liquid Chill® radiator coolant additive is a simple yet effective way to reduce engine temperatures. This additive is compatible with all coolant types and does not require mixing. Mishimoto Liquid Chill® is proven to reduce engine...
    $31.68
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  • MISHIMOTO MMTS-CHV-01DL  LOW TEMPERATURE THERMOSTATS (SET OF 2)  2001-2016 GM DURAMAX 6.6L MISHIMOTO MMTS-CHV-01DL  LOW TEMPERATURE THERMOSTATS (SET OF 2)  2001-2016 GM DURAMAX 6.6L

    MISHIMOTO MMTS-CHV-01DL LOW TEMPERATURE THERMOSTATS (SET OF 2) 2001-2016 GM DURAMAX 6.6L

    MISHIMOTO

    $140.71
    Fits 2001-2016 Chevrolet/GMC 6.6L Duramax Activates at lower temperature so coolant flows through system earlier Allows for cooler engine temperatures Mishimoto Lifetime Warranty The Mishimoto Chevrolet Duramax low temperature thermostats activate at...
    $140.71
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  • MISHIMOTO MMTS-CHV-01DH  HIGH TEMPERATURE THERMOSTATS (SET OF 2)  2001-2016 GM DURAMAX 6.6L MISHIMOTO MMTS-CHV-01DH  HIGH TEMPERATURE THERMOSTATS (SET OF 2)  2001-2016 GM DURAMAX 6.6L

    MISHIMOTO MMTS-CHV-01DH HIGH TEMPERATURE THERMOSTATS (SET OF 2) 2001-2016 GM DURAMAX 6.6L

    MISHIMOTO

    $137.95
    Fits 2001-2013 Chevrolet/GMC 6.6L Duramax Activates at higher temperature allowing engine temperatures to rise Ideal for colder climates Allows for cooler engine temperatures Mishimoto Lifetime Warranty The Mishimoto Chevrolet Duramax high temperature...
    $137.95
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  • MISHIMOTO MMHOSE-DMAX-11RD  SILICONE COOLANT HOSE KIT - RED  2011-2016 GM DURAMAX 6.6L

    MISHIMOTO MMHOSE-DMAX-11RD SILICONE COOLANT HOSE KIT - RED 2011-2016 GM DURAMAX 6.6L

    MISHIMOTO

    $618.26
    The Mishimoto MMHOSE-DMAX-11RD Silicone Coolant Hose Kit in red is the ultimate solution to safeguard your Chevrolet/GMC 6.6L Duramax engine from potential damage caused by coolant leaks. Engineered for peak performance and unparalleled durability, this...
    $618.26
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  • MISHIMOTO MMHOSE-DMAX-11BL  SILICONE COOLANT HOSE KIT - BLUE  2011-2016 GM DURAMAX 6.6L

    MISHIMOTO MMHOSE-DMAX-11BL SILICONE COOLANT HOSE KIT - BLUE 2011-2016 GM DURAMAX 6.6L

    MISHIMOTO

    $618.26
    The Mishimoto MMHOSE-DMAX-11BL Silicone Coolant Hose Kit in blue is the ultimate solution for upgrading the cooling system in your 2011-2016 GM Duramax 6.6L truck. Engineered to withstand the toughest conditions, these durable coolant hoses are designed...
    $618.26
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  • MISHIMOTO MMHOSE-DMAX-11BK  SILICONE COOLANT HOSE KIT - BLACK  2011-2016 GM DURAMAX 6.6L

    MISHIMOTO MMHOSE-DMAX-11BK SILICONE COOLANT HOSE KIT - BLACK 2011-2016 GM DURAMAX 6.6L

    MISHIMOTO

    $618.26
    The Mishimoto MMHOSE-DMAX-11BK Silicone Coolant Hose Kit in black is specifically designed for the 2011-2016 GM Duramax 6.6L, offering a superior solution to prevent potential engine damage caused by leaking coolant hoses. Crafted with high-quality...
    $618.26
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  • MISHIMOTO MMHOSE-CHV-06DRD  SILICONE COOLANT HOSE KIT - RED  2006-2010 DURAMAX 6.6L

    MISHIMOTO MMHOSE-CHV-06DRD SILICONE COOLANT HOSE KIT - RED 2006-2010 DURAMAX 6.6L

    MISHIMOTO

    $605.84
    Enhance the performance and durability of your Chevrolet/GMC 6.6L Duramax engine with the Mishimoto MMHOSE-CHV-06DRD Silicone Coolant Hose Kit in striking red. This top-of-the-line kit replaces traditional rubber hoses with high-grade silicone reinforced...
    $605.84
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  • MISHIMOTO MMHOSE-CHV-06DBL  SILICONE COOLANT HOSE KIT - BLUE  2006-2010 DURAMAX 6.6L

    MISHIMOTO MMHOSE-CHV-06DBL SILICONE COOLANT HOSE KIT - BLUE 2006-2010 DURAMAX 6.6L

    MISHIMOTO

    $605.84
    The Mishimoto MMHOSE-CHV-06DBL Silicone Coolant Hose Kit is the ultimate solution for upgrading your 2006-2010 Chevrolet or GMC Duramax 6.6L cooling system. Say goodbye to unreliable rubber hoses and welcome the superior performance and durability of...
    $605.84
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  • MISHIMOTO MMHOSE-CHV-06DBK   SILICONE COOLANT HOSE KIT - BLACK  2006-2010 DURAMAX 6.6L

    MISHIMOTO MMHOSE-CHV-06DBK SILICONE COOLANT HOSE KIT - BLACK 2006-2010 DURAMAX 6.6L

    MISHIMOTO

    $605.84
    Enhance the performance and durability of your 2006-2010 Chevrolet/GMC Duramax 6.6L engine with the Mishimoto MMHOSE-CHV-06DBK Silicone Coolant Hose Kit in sleek black. Say goodbye to unreliable rubber hoses and hello to reinforced silicone that can...
    $605.84
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  • MISHIMOTO MMHOSE-CHV-01DRD  SILICONE COOLANT KIT - RED  2001-2005 DURAMAX 6.6L

    MISHIMOTO MMHOSE-CHV-01DRD SILICONE COOLANT KIT - RED 2001-2005 DURAMAX 6.6L

    MISHIMOTO

    $523.03
    Mishimoto presents the MMHOSE-CHV-01DRD Silicone Coolant Kit in a striking red color, tailored for the 2001-2005 Chevrolet/GMC 6.6L Duramax engines. Crafted with a blend of premium silicone and four layers of resilient heat-resistant fibers, these...
    $523.03
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    $523.03
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  • MISHIMOTO MMHOSE-CHV-01DBL  SILICONE COOLANT KIT - BLUE  2001-2005 DURAMAX 6.6L

    MISHIMOTO MMHOSE-CHV-01DBL SILICONE COOLANT KIT - BLUE 2001-2005 DURAMAX 6.6L

    MISHIMOTO

    $465.06
    Mishimoto presents the ultimate solution to enhance the performance and durability of your 2001-2005 Chevrolet/GMC 6.6L Duramax with the MISHIMOTO MMHOSE-CHV-01DBL Silicone Coolant Kit in striking blue. Constructed with a blend of high-quality silicone...
    $465.06
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    $465.06
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  • MISHIMOTO MMHOSE-CHV-01DBK  SILICONE COOLANT KIT- BLACK  2001-2005 DURAMAX 6.6L

    MISHIMOTO MMHOSE-CHV-01DBK SILICONE COOLANT KIT- BLACK 2001-2005 DURAMAX 6.6L

    MISHIMOTO

    $523.03
    Mishimoto's MMHOSE-CHV-01DBK Silicone Coolant Kit in Black is the ultimate solution for enhancing your 2001-2005 Chevrolet/GMC 6.6L Duramax's cooling system performance. Crafted with a superior combination of high-grade silicone and four layers of...
    $523.03
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  • MISHIMOTO MMFAN-MOUNT  Electric Fan Mounting Kit

    MISHIMOTO MMFAN-MOUNT Electric Fan Mounting Kit

    MISHIMOTO

    $22.01
    The Mishimoto universal fan mount kit is used to mount a Mishimoto to any Mishimoto aluminum radiator.Great for custom applications, the Mishimoto fan can be mounted in any convenient position on the radiator. Universal fan mount fits any Mishimoto...
    $22.01
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  • MISHIMOTO MMFAN-8   Slim Electric Fan 8 inch

    MISHIMOTO MMFAN-8 Slim Electric Fan 8 inch

    MISHIMOTO

    $108.97
    The Mishimoto MMFAN-8 Slim Electric Fan 8 inch is a high-performance cooling solution designed to enhance the efficiency of your vehicle's cooling system. Whether you're looking for an upgrade to your OEM fan or dealing with fitment issues related to...
    $108.97
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  • MISHIMOTO MMFAN-16HD  Race Line  High-Flow Fan  16 inch Black

    MISHIMOTO MMFAN-16HD Race Line High-Flow Fan 16 inch Black

    MISHIMOTO

    $304.96
    Enhance the cooling capabilities of your radiator with the MISHIMOTO MMFAN-16HD Race Line High-Flow Fan in a sleek black finish. Engineered for heavy-duty applications that demand superior performance, this 16-inch fan from our Race Line series delivers...
    $304.96
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  • MISHIMOTO MMFAN-16  Slim Electric Fan 16 inch

    MISHIMOTO MMFAN-16 Slim Electric Fan 16 inch

    MISHIMOTO

    $160.03
    The MISHIMOTO MMFAN-16 Slim Electric Fan 16 inch is a high-performance cooling solution designed to optimize your vehicle's cooling system. Whether you are looking to enhance your vehicle's cooling efficiency or seeking a solution for fitment issues with...
    $160.03
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    $160.03
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  • MISHIMOTO MMFAN-14  Slim Electric Fan 14 inch

    MISHIMOTO MMFAN-14 Slim Electric Fan 14 inch

    MISHIMOTO

    $139.33
    The MISHIMOTO MMFAN-14 Slim Electric Fan 14 inch is a powerful cooling solution designed to enhance your vehicle's performance. This high-flow fan delivers an impressive 1300 cfm of airflow, ensuring efficient cooling to keep your engine running smoothly...
    $139.33
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  • MISHIMOTO MMFAN-12HD  Race Line  High-Flow Fan  12 inch

    MISHIMOTO MMFAN-12HD Race Line High-Flow Fan 12 inch

    MISHIMOTO

    $255.27
    The MISHIMOTO MMFAN-12HD Race Line High-Flow Fan in 12 inches is the ultimate solution to maximize airflow to your radiator. Engineered specifically for heavy-duty applications, this fan outperforms standard Slim Line fans with ease. Despite its robust...
    $255.27
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  • MISHIMOTO MMFAN-12  Slim Electric Fan 12 inch

    MISHIMOTO MMFAN-12 Slim Electric Fan 12 inch

    MISHIMOTO

    $129.67
    The Mishimoto MMFAN-12 Slim Electric Fan 12 inch is the perfect solution for upgrading your OEM fan and enhancing your vehicle's cooling system. Engineered to deliver superior performance, this high-flow fan provides an impressive 1150 cfm of airflow,...
    $129.67
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  • MISHIMOTO MMFAN-11HD  Race Line  High-Flow Fan  11 inch

    MISHIMOTO MMFAN-11HD Race Line High-Flow Fan 11 inch

    MISHIMOTO

    $229.04
    The MISHIMOTO MMFAN-11HD Race Line High-Flow Fan, 11 inches in diameter, is the ultimate solution to provide your radiator with optimal airflow. This specially designed fan is part of our Race Line series, built to tackle heavy-duty applications that...
    $229.04
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  • MISHIMOTO MMFAN-10HD  Race Line  High-Flow Fan  10 inch

    MISHIMOTO MMFAN-10HD Race Line High-Flow Fan 10 inch

    MISHIMOTO

    $218.00
    Enhance the cooling efficiency of your radiator with the MISHIMOTO MMFAN-10HD Race Line High-Flow Fan, a top-tier solution for heavy-duty applications. This 10" fan is engineered to deliver maximum airflow, providing an impressive 1600 CFM to cool even...
    $218.00
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  • MISHIMOTO MMFAN-10  Slim Electric Fan 10 inch

    MISHIMOTO MMFAN-10 Slim Electric Fan 10 inch

    MISHIMOTO

    $122.77
    The MISHIMOTO MMFAN-10 Slim Electric Fan 10 inch is the reliable solution for upgrading your vehicle's cooling system. This high-flow fan offers a substantial 950 cfm of airflow, ensuring efficient cooling performance for your engine. Whether you're...
    $122.77
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  • MAHLE K31904 WATER PUMP SEAL FOR 01-16 GM DURAMAX

    MAHLE K31904 WATER PUMP SEAL FOR 01-16 GM DURAMAX

    MAHLE

    $1.59
    The MAHLE K31904 is an engine water pump gasket, designed as a direct replacement for various GM 6.6L Duramax diesel engines from 2001-2016.  Here's a breakdown of the MAHLE K31904: Purpose: Seals the back of the water pump to the front...
    $1.59
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