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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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  • ALLIANT AP63563 WATER PUMP FOR 06-16 GM 6.6L DURAMAX

    ALLIANT AP63563 WATER PUMP FOR 06-16 GM 6.6L DURAMAX

    ALLIANT POWER

    $212.67
    Specifications Vendor No.Alliant PowerManufacturing LabelNewGross Weight (LB)0.016Country/Region of Origin CodeCNItem UPC/EAN Number843497103645No.APP1508The Alliant AP63563 Water Pump is a high-performance component crafted specifically for 2006-2016 GM...
    $212.67
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    $212.67
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  • PPE 119021100 COOLANT HOSE KIT-RED FOR 01-05 GM DURAMAX 6.6L LB7/LLY PPE 119021100 COOLANT HOSE KIT-RED FOR 01-05 GM DURAMAX 6.6L LB7/LLY

    PPE 119021100 COOLANT HOSE KIT-RED FOR 01-05 GM DURAMAX 6.6L LB7/LLY

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's performance Silicone Coolant Hose Kit. Perfect FOR your...
    $269.99
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    $269.99
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  • PPE 119021300 COOLANT HOSE KIT-RED FOR 11-16 GM DURAMAX 6.6L LML PPE 119021300 COOLANT HOSE KIT-RED FOR 11-16 GM DURAMAX 6.6L LML

    PPE 119021300 COOLANT HOSE KIT-RED FOR 11-16 GM DURAMAX 6.6L LML

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    The PPE 119021300 Coolant Hose Kit in striking red is tailored specifically FOR the FOR 11-16 GM Duramax 6.6L LML engine, offering a superior alternative to the factory coolant hose system. Say goodbye to the risk of cracking and coolant leaks with this...
    $269.99
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    $269.99
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  • PPE 119023100 COOLANT HOSE KIT-GREEN FOR 01-05 GM DURAMAX 6.6L LB7/LLY PPE 119023100 COOLANT HOSE KIT-GREEN FOR 01-05 GM DURAMAX 6.6L LB7/LLY

    PPE 119023100 COOLANT HOSE KIT-GREEN FOR 01-05 GM DURAMAX 6.6L LB7/LLY

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's performance Silicone Coolant Hose Kit. Perfect FOR your...
    $269.99
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    $269.99
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  • PPE 119023200 COOLANT HOSE KIT-GREEN FOR 06-10 GM DURAMAX 6.6L LBZ/LMM PPE 119023200 COOLANT HOSE KIT-GREEN FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PPE 119023200 COOLANT HOSE KIT-GREEN FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's performance Silicone Coolant Hose Kit. Perfect FOR your...
    $269.99
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    $269.99
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  • PPE 119023300 COOLANT HOSE KIT-GREEN FOR 11-16 GM DURAMAX 6.6L LML

    PPE 119023300 COOLANT HOSE KIT-GREEN FOR 11-16 GM DURAMAX 6.6L LML

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Replacing worn or faulty coolant hoses in your FOR 11-16 GM Duramax 6.6L LML is made easy with the PPE 119023300 Coolant Hose Kit in vibrant green. Say goodbye to the risk of coolant loss and cracked junctions that typically come with factory T fittings,...
    $269.99
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    $269.99
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  • PPE 119024100 COOLANT HOSE KIT-YELLOW FOR 01-05 GM DURAMAX 6.6L LB7/LLY

    PPE 119024100 COOLANT HOSE KIT-YELLOW FOR 01-05 GM DURAMAX 6.6L LB7/LLY

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's performance Silicone Coolant Hose Kit. Perfect FOR your...
    $269.99
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    $269.99
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  • PPE 119024200 COOLANT HOSE KIT-YELLOW FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PPE 119024200 COOLANT HOSE KIT-YELLOW FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's performance Silicone Coolant Hose Kit. Perfect FOR your...
    $269.99
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    $269.99
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  • PPE 119024300 COOLANT HOSE KIT-YELLOW FOR 11-16 GM DURAMAX 6.6L LML

    PPE 119024300 COOLANT HOSE KIT-YELLOW FOR 11-16 GM DURAMAX 6.6L LML

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Elevate the performance and reliability of your FOR 11-16 GM Duramax 6.6L LML diesel truck with the PPE 119024300 Coolant Hose Kit in striking yellow. Say goodbye to cracked plastic T fittings and hello to enhanced durability and efficiency. Designed to...
    $269.99
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    $269.99
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  • PPE 119025100 COOLANT HOSE KIT-ORANGE FOR 01-05 GM DURAMAX 6.6L LB7/LLY PPE 119025100 COOLANT HOSE KIT-ORANGE FOR 01-05 GM DURAMAX 6.6L LB7/LLY

    PPE 119025100 COOLANT HOSE KIT-ORANGE FOR 01-05 GM DURAMAX 6.6L LB7/LLY

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's performance Silicone Coolant Hose Kit. Perfect FOR your...
    $269.99
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    $269.99
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  • PPE 119025200 COOLANT HOSE KIT-ORANGE FOR 06-10 GM DURAMAX 6.6L LBZ/LMM PPE 119025200 COOLANT HOSE KIT-ORANGE FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PPE 119025200 COOLANT HOSE KIT-ORANGE FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's performance Silicone Coolant Hose Kit. Perfect FOR your...
    $269.99
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    $269.99
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  • PPE 119025300 COOLANT HOSE KIT-ORANGE FOR 11-16 GM DURAMAX 6.6L LML

    PPE 119025300 COOLANT HOSE KIT-ORANGE FOR 11-16 GM DURAMAX 6.6L LML

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Upgrade the coolant system in your FOR 11-16 GM Duramax 6.6L LML diesel truck with the PPE 119025300 Coolant Hose Kit in vibrant orange. Say goodbye to the issues of cracked plastic T fittings with this high-performance silicone coolant hose kit from PPE...
    $269.99
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    $269.99
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  • PPE 116454025 COOLANT OVERFLOW TANK FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ PPE 116454025 COOLANT OVERFLOW TANK FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ

    PPE 116454025 COOLANT OVERFLOW TANK FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    The PPE Coolant Overflow Tank will hold up to one gallon of coolant. Hand-cut 6061 aluminum material provides more efficient cooling properties. This tank utilizes the location of your second battery and plastic water overflow tank. Easy installation...
    $269.99
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    $269.99
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  • PPE 116454075 COOLANT OVERFLOW TANK FOR 07.5-10 DURAMAX 6.6L LMM PPE 116454075 COOLANT OVERFLOW TANK FOR 07.5-10 DURAMAX 6.6L LMM

    PPE 116454075 COOLANT OVERFLOW TANK FOR 07.5-10 DURAMAX 6.6L LMM

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    The PPE Coolant Overflow Tank will hold up to one gallon of coolant. Hand-cut 6061 aluminum material provides more efficient cooling properties. This tank utilizes the location of your second battery and plastic water overflow tank. Easy installation...
    $269.99
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    $269.99
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  • PPE 119000500 ENGINE COOLANT THERMOSTAT HOUSING FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ PPE 119000500 ENGINE COOLANT THERMOSTAT HOUSING FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ

    PPE 119000500 ENGINE COOLANT THERMOSTAT HOUSING FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Corrosion is often seen on this stock part as they age out. This can lead to blockage and reduced cooling capability. Replace your corroded OEM thermostat housing bridge with the PPE high-strength, cast-aluminum Thermostat Housing. This high-quality...
    $269.99
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  • PPE 119000510 ENGINE COOLANT THERMOSTAT HOUSING - SINGLE SENSOR FOR 07.5-10 GM 6.6L DURAMAX LMM PPE 119000510 ENGINE COOLANT THERMOSTAT HOUSING - SINGLE SENSOR FOR 07.5-10 GM 6.6L DURAMAX LMM

    PPE 119000510 ENGINE COOLANT THERMOSTAT HOUSING - SINGLE SENSOR FOR 07.5-10 GM 6.6L DURAMAX LMM

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Corrosion is often seen on this stock part as they age out. This can lead to blockage and reduced cooling capability. Replace your corroded OEM thermostat housing bridge with the PPE high-strength, cast-aluminum Thermostat Housing. This high-quality...
    $269.99
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    $269.99
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  • PPE 119000515 ENGINE COOLANT THERMOSTAT HOUSING - DUAL SENSOR FOR 07.5-10 GM 6.6L DURAMAX LMM PPE 119000515 ENGINE COOLANT THERMOSTAT HOUSING - DUAL SENSOR FOR 07.5-10 GM 6.6L DURAMAX LMM

    PPE 119000515 ENGINE COOLANT THERMOSTAT HOUSING - DUAL SENSOR FOR 07.5-10 GM 6.6L DURAMAX LMM

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Corrosion is often seen on this stock part as they age out. This can lead to blockage and reduced cooling capability. Replace your corroded OEM thermostat housing bridge with the PPE high-strength, cast-aluminum Thermostat Housing. This high-quality...
    $269.99
    Qty in Cart: 0
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    $269.99
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  • PPE 119030100 COOLANT TUBE PUMP TO OIL COOLER 304 STAINLESS STEEL RAW FOR 01-23 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P

    PPE 119030100 COOLANT TUBE PUMP TO OIL COOLER 304 STAINLESS STEEL RAW FOR 01-23 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P

    PACIFIC PERFORMANCE ENGINEERING

    $197.99
    The PPE 119030100 Coolant Tube Pump to Oil Cooler is a top-quality performance upgrade designed FOR the FOR 01-23 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P models. Crafted from durable 304 stainless steel, this custom coolant pipe boasts superior corrosion...
    $197.99
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    $197.99
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  • PPE 119030130 COOLANT TUBE PUMP TO OIL COOLER 304 STAINLESS STEEL POLISHED FOR 01-23 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P PPE 119030130 COOLANT TUBE PUMP TO OIL COOLER 304 STAINLESS STEEL POLISHED FOR 01-23 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P

    PPE 119030130 COOLANT TUBE PUMP TO OIL COOLER 304 STAINLESS STEEL POLISHED FOR 01-23 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P

    PACIFIC PERFORMANCE ENGINEERING

    $197.99
    Specifically designed for use in conjunction with the factory oil cooler filter housing. This coolant pipe is custom fabricated with a heavy-duty flange. 304 stainless steel construction prevents corrosion compared with OEM mild steel...
    $197.99
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    $197.99
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  • CPP DIESEL ALUMINUM REPLACEMENT RADIATOR FOR 01-05 GM 2500/3500HD WITH DURAMAX ENGINE

    CPP DIESEL ALUMINUM REPLACEMENT RADIATOR FOR 01-05 GM 2500/3500HD WITH DURAMAX ENGINE

    CPP DIESEL

    $355.95
    The CPP-0105AL-RAD Aluminum Replacement Radiator presents a robust solution for 2001-2005 GM 2500 and 3500HD models equipped with the Duramax engine. Designed specifically for the rigorous demands of heavy-duty use, this direct-fit replacement...
    $355.95
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    $355.95
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  • WEHRLI WCF100644 11-16 CHEVROLET 6.6L LML DURAMAX TWIN TURBO STYLE COOLANT TANK KIT WEHRLI WCF100644 11-16 CHEVROLET 6.6L LML DURAMAX TWIN TURBO STYLE COOLANT TANK KIT

    WEHRLI WCF100644 11-16 CHEVROLET 6.6L LML DURAMAX TWIN TURBO STYLE COOLANT TANK KIT

    WEHRLI CUSTOM FABRICATION

    $334.65
    The WEHRLI WCF100644 11-16 CHEVROLET 6.6L LML DURAMAX TWIN TURBO STYLE COOLANT TANK KIT is designed for LML Duramax engines with a twin turbo setup, providing a reliable and efficient solution for coolant management. Made from durable fabricated...
    $334.65
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    $334.65
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  • WEHRLI WCF100642 2001-2007 LB7/LLY/LBZ DURAMAX TWIN TURBO COOLANT TANK KIT WEHRLI WCF100642 2001-2007 LB7/LLY/LBZ DURAMAX TWIN TURBO COOLANT TANK KIT

    WEHRLI WCF100642 2001-2007 LB7/LLY/LBZ DURAMAX TWIN TURBO COOLANT TANK KIT

    WEHRLI CUSTOM FABRICATION

    $334.65
    The WEHRLI WCF100642 2001-2007 LB7/LLY/LBZ DURAMAX TWIN TURBO COOLANT TANK KIT is a must-have for LB7, LLY, and LBZ Duramax owners looking to optimize their twin turbo applications. This premium kit features a meticulously crafted fabricated aluminum...
    $334.65
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    $334.65
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  • PPE 119022100 PERFORMANCE SILICONE UPPER AND LOWER COOLANT HOSE KIT BLUE FOR 01-05 GM 6.6L DURAMAX LB7 PPE 119022100 PERFORMANCE SILICONE UPPER AND LOWER COOLANT HOSE KIT BLUE FOR 01-05 GM 6.6L DURAMAX LB7

    PPE 119022100 PERFORMANCE SILICONE UPPER AND LOWER COOLANT HOSE KIT BLUE FOR 01-05 GM 6.6L DURAMAX LB7

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose “T” fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE’s performance Silicone Coolant Hose...
    $269.99
    Qty in Cart: 0
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    $269.99
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  • PPE 119022300 SILICONE UPPER AND LOWER COOLANT HOSE KIT-GREEN FOR 11-16 GM 6.6L DURAMAX LML PPE 119022300 SILICONE UPPER AND LOWER COOLANT HOSE KIT-GREEN FOR 11-16 GM 6.6L DURAMAX LML

    PPE 119022300 SILICONE UPPER AND LOWER COOLANT HOSE KIT-GREEN FOR 11-16 GM 6.6L DURAMAX LML

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    The PPE 119022300 Silicone Upper and Lower Coolant Hose Kit in green is the perfect solution FOR replacing your factory coolant hose system prone to cracking and coolant loss. Specifically designed FOR the FOR 11-16 GM 6.6L Duramax LML engine, this kit...
    $269.99
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    $269.99
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  • PPE 119021200 COOLANT HOSE KIT-RED FOR 06-10 GM DURAMAX 6.6L LBZ/LMM PPE 119021200 COOLANT HOSE KIT-RED FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PPE 119021200 COOLANT HOSE KIT-RED FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's performance Silicone Coolant Hose Kit. Perfect FOR your...
    $269.99
    Qty in Cart: 0
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    $269.99
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  • PPE 119022200 SILICONE UPPER AND LOWER COOLANT HOSE KIT-BLUE FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PPE 119022200 SILICONE UPPER AND LOWER COOLANT HOSE KIT-BLUE FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's performance Silicone Coolant Hose Kit. Perfect FOR your...
    $269.99
    Qty in Cart: 0
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    $269.99
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  • PPE 119020100 COOLANT HOSE KIT-BLACK FOR 01-05 GM DURAMAX 6.6L LB7/LLY PPE 119020100 COOLANT HOSE KIT-BLACK FOR 01-05 GM DURAMAX 6.6L LB7/LLY

    PPE 119020100 COOLANT HOSE KIT-BLACK FOR 01-05 GM DURAMAX 6.6L LB7/LLY

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with >PPEs performance Silicone Coolant Hose Kit. Perfect FOR...
    $269.99
    Qty in Cart: 0
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    $269.99
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  • PPE 119020200 COOLANT HOSE KIT-BLACK FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PPE 119020200 COOLANT HOSE KIT-BLACK FOR 06-10 GM DURAMAX 6.6L LBZ/LMM

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with >PPEs performance Silicone Coolant Hose Kit. Perfect FOR...
    $269.99
    Qty in Cart: 0
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    $269.99
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  • PPE 119020300 SILICONE UPPER & LOWER COOLANT HOSE KIT-(BLACK) FOR 11-16 GM 6.6L DURAMAX LML

    PPE 119020300 SILICONE UPPER & LOWER COOLANT HOSE KIT-(BLACK) FOR 11-16 GM 6.6L DURAMAX LML

    PACIFIC PERFORMANCE ENGINEERING

    $269.99
    Factory coolant hose “T” fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE’s Performance Silicone Coolant Hose...
    $269.99
    Qty in Cart: 0
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    $269.99
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