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.
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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DAYCO DP1226B WATER PUMP (WITH HOUSING) FOR 2006-2016 GM 2500HD/3500HD WITH 6.6L DURAMAX ENGINE
DAYCO
$129.11The Dayco DP1226B Water Pump with Housing is an essential component designed specifically for the 2006-2016 GM 6.6L Duramax engines (LBZ, LMM, LML) as well as the 2006-2009 GM Kodiak and Topkick models. This high-performance water pump helps ensure...$129.11 -
DAYCO 86104 MOLDED HEATER HOSE FOR 2006-2010 GM 2500HD/3500HD WITH 6.6L DURAMAX ENGINE
DAYCO
$14.00The Dayco 86104 Molded Heater Hose is an essential component designed specifically for the 2006-2010 GM 6.6L Duramax LBZ/LMM engine. This high-quality molded hose ensures efficient coolant flow within the heating system, contributing to optimal engine...$14.00 -
DAYCO 5080415 WATER PUMP HD POLY RIB SERPENTINE BELT FOR 2020-2021 GM 2500HD/3500HD WITH 6.6L DURAMAX ENGINE
DAYCO
$28.43The Dayco 5080415 HD Poly Rib Serpentine Belt is engineered to deliver superior performance and durability for the 2020-2021 GM 6.6L Duramax L5P engines. This essential component is crafted from high-quality EPDM rubber, infused with aramid reinforcement...$28.43 -
DAYCO 71231 CURVED HEATER RADIATOR OUTLET HOSE FOR 2007.5-2010 GM 2500HD/3500HD WITH 6.6L DURAMAX ENGINE
DAYCO
$20.54The Dayco 71231 Curved Radiator Hose is specifically designed for the 2007.5-2010 GM 2500HD/3500HD models equipped with the 6.6L Duramax LMM engine, particularly those featuring the Ambulance Package. This premium-quality radiator hose plays a crucial...$20.54 -
DAYCO 87770 MOLDED HEATER INLET HOSE FOR 2001-2004 GM 2500HD/3500HD 6.6L DURAMAX ENGINE
DAYCO
$7.97The Dayco 87770 Molded Heater Hose is an essential component for maintaining the performance and reliability of your vehicle, specifically designed for the 2001-2004 GM 2500HD with a 6.6L Duramax LB7 engine and the 2004 GM 3500HD 6.6L Duramax LB7...$7.97 -
DAYCO 70055 CURVED UPPER RADIATOR HOSE FOR 2015-2016 GM 2500/3500HD WITH 6.6L DURAMAX ENGINE
DAYCO
$70.09The Dayco 70055 Curved Radiator Hose is engineered to meet the exacting standards of the 2015-2016 GM Silverado and Sierra 2500/3500 HD models equipped with the powerful 6.6L Duramax LML engine. This high-performance component is also compatible with the...$70.09 -
DAYCO 87774 MOLDED HEATER OUTLET HOSE FOR 2011-2014 GM 2500HD/3500 WITH 6.6L DURAMAX ENGINE
DAYCO
$29.32Experience reliability and performance with the Dayco 87774 Molded Heater Hose, specifically designed for the 2011-2014 GM 2500HD and 3500 trucks equipped with the powerful 6.6L Duramax LML engine. This hose is an essential component in ensuring your...$29.32 -
DAYCO 87656 MOLDED HEATER INLET HOSE FOR 2011-2014 GM 2500HD/3500HD WITH 6.6L DURAMAX ENGINE
DAYCO
$13.40The Dayco 87656 Molded Heater Hose is a premium-quality replacement component designed specifically for the 2011-2014 GM 2500HD and 3500HD models equipped with the robust 6.6L Duramax LML engine. This molded heater hose ensures optimal performance for...$13.40 -
DAYCO 72554 CURVED UPPER RADIATOR HOSE FOR 2011-2016 GM 2500HD/3500HD 6.6L DURAMAX ENGINE
DAYCO
$33.86The Dayco 72554 Curved Radiator Hose is a premium automotive component designed for optimal performance in 2011-2016 GM 2500HD and 3500HD models featuring the robust 6.6L Duramax LML engine. This radiator hose is engineered to provide exceptional...$33.86 -
DAYCO 87617 MOLDED LEFT SIDE HEATER HOSE FOR 2004-2007 GM 2500HD/3500HD WITH 6.6L DURAMAX ENGINE
DAYCO
$11.78The Dayco 87617 Molded Heater Hose is a crucial component designed specifically for 2004-2007 GM 2500HD and 3500HD models featuring the robust 6.6L Duramax LB7/LLY/LBZ engines. With precise engineering, this molded heater hose ensures optimal...$11.78 -
DAYCO DP807BH WATER PUMP WITH HOUSING FOR 2001-2005 GM 2500/3500HD WITH 6.6L DURAMAX ENGINE
DAYCO
$165.00The Dayco DP807BH Water Pump is engineered to deliver exceptional performance and reliability for your 2001-2005 GM 6.6L Duramax LB7/LLY engines, as well as the 2003-2005 GM Kodiak and Topkick C4500/C5500 models. Designed to fit seamlessly into your...$165.00 -
DAYCO 72347 CURVED UPPER RADIATOR HOSE FOR 2006-2010 GM 2500HD/3500HD WITH 6.6L DURAMAX ENGINE
DAYCO
$19.14The Dayco 72347 Curved Radiator Hose is an essential replacement part designed specifically for 2006-2010 GM 2500HD and 3500HD models featuring the robust 6.6L Duramax LBZ/LMM engines. This durable, single inner diameter hose is engineered to provide...$19.14 -
CPP PRE-MADE BRAIDED FUEL, OIL AND COOLANT HOSES MADE TO ORDER
CPP DIESEL
CPP Pre-Made Braided Fuel, Oil, and Coolant Hoses are the ultimate solution for automotive enthusiasts and professionals seeking tailored performance in their vehicles. Crafted with precision, these hoses are custom-made to order for a variety of...Qty in Cart: 0Quantity:Price:Subtotal: -
GM 25841843 LOWER RADIATOR HOSE FOR 06-10 GM 6.6L DURAMAX LBZ/LMM
GM
$369.00The GM 25841843 Lower Radiator Hose is the essential replacement part for 2006-2010 GM 6.6L Duramax LBZ/LMM engines, ensuring your vehicle's cooling system operates flawlessly. Designed to meet or exceed General Motors' strict OE specifications, this...$369.00 -
GM 97371074 COOLANT BYPASS TUBE 2001-2005 GM 6.6L DURAMAX LB7/LLY
GM
$390.67The GM 97371074 Coolant Bypass Tube serves as a critical component for 2001-2005 GM 6.6L Duramax LB7/LLY (2500HD/3500HD Pickup) vehicles, delivering reliability and performance that aligns with GM’s rigorous standards. Crafted from high-quality steel,...$390.67 -
GM 94011702 WATER PUMP PIPE TO OIL COOLER SEAL FOR 01-24 GM 6.6L DURAMAX/L5P
GM
$30.69The GM 94011702 Water Pump Pipe to Oil Cooler Seal is a premium replacement component specifically designed for GM 6.6L Duramax engines, covering model years from 2001 to 2024. Crafted from high-quality EPDM rubber, this seal offers exceptional...$30.69 -
GM 12657629 BLOCK HEATER ELEMENT FOR 01-16 GM 6.6L DURAMAX
GM
$52.05The GM 12657629 Block Heater Element is an essential upgrade for any 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML vehicle. Specifically engineered and tested to meet rigorous standards, this component delivers reliable performance backed by General...$52.05 -
GM 12637105 WATER PUMP WITH HOUSING FOR 06-16 GM 6.6L DURAMAX
GM
$335.56The GM 12637105 Water Pump with Housing is a premium component tailored for 2006-2016 GM 6.6L Duramax LBZ/LMM/LML engines, delivering reliable and consistent performance essential for optimal engine operation. This water pump is meticulously engineered...$335.56 -
GM 94056175 REAR COVER TO BLOCK COOLANT SEAL FOR 01-10 GM 6.6L DURAMAX
GM
$4.77The GM 94056175 Rear Cover Coolant Seal is a vital component tailored for 2001-2010 GM 6.6L Duramax engines, covering LB7, LLY, LBZ, and LMM models. This meticulously crafted seal is engineered to prevent coolant leaks, ensuring the efficient performance...$4.77 -
GM 94011603 COOLANT BYPASS TUBE LOWER PIPE SEAL FOR 01-16 GM 6.6L DURAMAX
GM
$3.20Enhance your vehicle maintenance routine with the GM 94011603 Coolant Bypass Tube Lower Pipe Seal, specifically designed for 2001-2016 GM 6.6L Duramax engines, including LB7, LLY, LBZ, LMM, and LML models. This product is a GM Genuine Part, synonymous...$3.20 -
GM 97372002 EGR COOLER TO UP-PIPE GASKET FOR 06-07 GM 6.6L DURAMAX LBZ
GM
$8.04The GM 97372002 EGR Cooler To Up-Pipe Gasket is an essential component designed specifically for the 2006-2007 GM 6.6L Duramax LBZ diesel engines. Engineered to uphold the rigorous standards set by General Motors, this gasket ensures superior reliability...$8.04 -
GM 19301659 BLOCK HEATER CORD FOR 01-10 GM 6.6L DURAMAX
GM
$96.93The GM 19301659 Block Heater Cord is an essential accessory for your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM, ensuring optimal engine performance in harsh weather conditions. Crafted as a part of GM Genuine Parts, this block heater cord meets the...$96.93 -
GM 94011604 UPPER RADIATOR PIPE SEAL FOR 01-10 GM 6.6L DURAMAX
GM
$8.36The GM 94011604 Upper Radiator Pipe Seal is an essential component designed to maintain the integrity of your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM engine. This high-quality seal effectively helps prevent leakage from the engine coolant outlet,...$8.36 -
GM 97241130 REAR COOLANT THERMOSTAT FOR 01-19 GM 6.6L DURAMAX/L5P
GM
$45.83The GM 97241130 Rear Coolant Thermostat is a vital component designed for optimal performance in 2001-2019 GM 6.6L Duramax engines, including LB7, LLY, LBZ, LMM, LML, and L5P models. This premium thermostat expertly regulates coolant flow through the...$45.83 -
GM 97241129 FRONT COOLANT THERMOSTAT FOR 01-19 GM 6.6L DURAMAX/L5P
GM
$52.44The GM 97241129 Front Coolant Thermostat is a vital component engineered for the 2001-2019 GM 6.6L Duramax engines (LB7/LLY/LBZ/LMM/LML/L5P). This thermostat plays a crucial role in regulating engine temperature by controlling the flow of coolant through...$52.44 -
ALLIANT AP63566 WATER PUMP HOUSING FOR 01-05 GM 6.6L DURAMAX
ALLIANT POWER
$86.47Specifications Vendor No.Alliant PowerManufacturing LabelNewGross Weight (LB)26.636Country/Region of Origin CodeUSItem UPC/EAN Number843497103676No.APP1505The Alliant AP63566 Water Pump Housing is an essential component designed to provide optimal...$86.47 -
ALLIANT AP63586 WATER PUMP FOR 17-24 GM 6.6L DURAMAX L5P
ALLIANT POWER
$139.14Specifications Vendor No.Alliant PowerManufacturing LabelNewGross Weight (LB)3.21Country/Region of Origin CodeCNItem UPC/EAN Number843497105250No.APP40461The Alliant AP63586 Water Pump is engineered specifically for use with the 2017-2024 GM 6.6L Duramax...$139.14 -
ALLIANT AP63508 WATER PUMP HOUSING FOR 06-16 GM 6.6L DURAMAX
ALLIANT POWER
$91.87Specifications Vendor No.Alliant PowerManufacturing LabelNewGross Weight (LB)7.417Country/Region of Origin CodeUSItem UPC/EAN Number843497105113No.APP40491The Alliant AP63508 Water Pump Housing is an essential component designed specifically for the...$91.87 -
ALLIANT AP63562 WATER PUMP FOR 01-05 GM 6.6L DURAMAX
ALLIANT POWER
$158.33Specifications Vendor No.Alliant PowerManufacturing LabelNewGross Weight (LB)0.003Country/Region of Origin CodeCNItem UPC/EAN Number843497103638No.APP1509The Alliant AP63562 Water Pump is the ultimate replacement solution for your 2001-2005 GM 6.6L...$158.33 -
ALLIANT AP63563 WATER PUMP FOR 06-16 GM 6.6L DURAMAX
ALLIANT POWER
$212.67Specifications 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 -
MAHLE C33756 COOLANT PIPE O-RING FOR 2017-2020 GM 6.6L DURAMAX ENGINE
MAHLE
$2.86AutoCare brands Id FLHQ AutoCare brand MAHLE Environmentally hazardous material No The MAHLE C33756 Coolant Pipe O-Ring is a crucial component designed specifically for the 2017-2020 GM 6.6L Duramax L5P engines. This high-quality O-ring plays a...$2.86 -
FLEECE FPE-HAR-DMAX-FAN-LML DURAMAX FAN EXTENSION HARNESS (LML)
FLEECE PERFORMANCE
$45.99Our replacement fan extension harness for the 2011-2016 LML Duramax allows you to repair a broken or damaged harness without needing to replace the entire fan assembly. This harness is mounted to the fan assembly and connects to the fan and chassis...$45.99 -
FLEECE FPE-HAR-DMAX-FAN-L5P DURAMAX FAN EXTENSION HARNESS (L5P)
FLEECE PERFORMANCE
$45.99Our replacement fan extension harness for the 2017-2019 L5P Duramax allows you to repair a broken or damaged harness without needing to replace the entire fan assembly. This harness is mounted to the fan assembly and connects to the fan and chassis...$45.99 -
MAHLE GS33752 WATER PUMP GASKET KIT FOR 2001-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$18.96Type a description for this product here...The MAHLE GS33752 Water Pump Gasket Kit is specifically designed for GM 6.6L Duramax engines, covering the LB7, LLY, LBZ, and LMM models manufactured between 2001 and 2010. This high-quality gasket kit is an...$18.96 -
MAHLE C31900 COOLANT THERMOSTAT HOUSING GASKET FOR 2001-2016 GM 6.6L DURAMAX ENGINE
MAHLE
$6.47Item Grade OEM Standard Additional Package Contents None Gasket Material Steel The MAHLE C31900 Coolant Thermostat Housing Gasket is an essential component for maintaining optimal performance in your GM 6.6L Duramax engine, covering the LB7, LLY,...$6.47 -
BOSTECH WP01100 WATER PUMP 2001-2005 GM 6.6L DURAMAX LB7/LLY
BOSTECH FUEL
$104.95Bostech's line of new heavy-duty water pumps are backed by our 24-month unlimited mileage warranty. We offer 50 plus skus covering most diesel engine applications. Our pumps are quality engineered according to the OEM's design and assembled with...$104.95 -
BOSTECH WP01101 WATER PUMP 2006-2010 GM 6.6L DURAMAX LBZ/LMM
BOSTECH FUEL
$119.95Bostech's line of new heavy-duty water pumps are backed by our 24-month unlimited mileage warranty. We offer 50 plus skus covering most diesel engine applications. Our pumps are quality engineered according to the OEM's design and assembled with...$119.95 -
BOSTECH BTS011012 COOLANT TEMPERATURE SENSOR 2001-2009 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM | 1995-2000 GM 6.5L DIESEL
BOSTECH FUEL
$18.85Engine Coolant Temperature Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Wiring Pigtail Included Engine Fitment: Various General Motors The BOSTECH BTS011012 Coolant Temperature Sensor is designed to...$18.85 -
DORMAN 620-619 CLUTCH FAN BLADE 2003-2007 GM C4500/5500 KODIAK/TOPKICK 6.6L DURAMAX LB7/LLY/LBZ
DORMAN
$134.34Replace your damaged cooling fan blade with this direct replacement. This vehicle-specific application is engineered for a perfect fit and is made from quality materials to ensure durability and restore proper cooling system operation. Direct...$134.34 -
DORMAN 621-514 CLUTCH FAN BLADE 2001-2005 GM 6.6L DURAMAX LB7/LLY | 2006-2008 GM EXPRESS/SAVANA 6.6L DURAMAX LLY
DORMAN
$95.94Replace your damaged cooling fan blade with this direct replacement. This vehicle-specific application is engineered for a perfect fit and is made from quality materials to ensure durability and restore proper cooling system operation. Direct...$95.94 -
DORMAN 902-2068 COOLANT THERMOSTAT HOUSING (UPPER) 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$52.64This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life. Ideal replacement -...$52.64 -
DORMAN 300-825 ENGINE COOLING FAN PULLEY BRACKET 2001-2004 GM 6.6L DURAMAX LB7 2500HD/3500HD | 2003-2004 GM C4500/5500 KODIAK/TOPKICK 6.6L DURAMAX LB7
DORMAN
$289.95This engine cooling fan pulley bracket is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance. Direct replacement - this engine cooling fan pulley...$289.95 -
DORMAN 603-142 COOLANT RESERVOIR 2007.5-2010 GM SILVERADO/SIERRA 2500HD/3500HD 6.6L DURAMAX LMM
DORMAN
$55.14This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part. Direct replacement...$55.14 -
DORMAN 902-2127 COOLANT THERMOSTAT HOUSING (UPPER) 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
DORMAN
$72.62The Dorman 902-2127 Coolant Thermostat Housing (Upper) for 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM vehicles is a premium replacement part offering durability and reliability. Engineered to perfectly match the fit of the original housing, this product is...$72.62 -
DORMAN 800-409 COOLANT CONNECTOR - INLET/OUTLET 3/4IN. TUBE X 5/8IN. HOSE 2001-2014 GM 6.6L DURAMAX LB7/LLY/LMM/LML
DORMAN
$13.19The DORMAN 800-409 Coolant Connector offers a reliable solution for your vehicle's heater hose connection needs. Specifically designed for use in 2001-2014 GM 6.6L DURAMAX LB7/LLY/LMM/LML models, this connector is crafted from top-quality materials to...$13.19 -
DORMAN 902-901 THERMOSTAT BYPASS PIPE 2001-2005 GM 6.6L DURAMAX LB7/LLY
DORMAN
$40.74The DORMAN 902-901 Thermostat Bypass Pipe for 2001-2005 GM 6.6L DURAMAX LB7/LLY engines is a reliable solution for ensuring optimal engine performance. Crafted to seamlessly replace the original bypass pipe, this component restores functionality to your...$40.74 -
DORMAN 926-424 COOLANT BYPASS TUBE O-RING KIT 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
DORMAN
$8.11The DORMAN 926-424 Coolant Bypass Tube O-Ring Kit is the ultimate solution for replacing or repairing the engine coolant pipe in your 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML vehicle. This comprehensive kit contains all the essential O-rings needed...$8.11 -
PPE 119020010 EGR TO CAB COOLANT HOSE FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$11.69Designed FOR factory fit, these durable 5mm performance silicone hoses are a perfect upgrade when your worn coolant hoses need replacing.Features: EGR to Cab Coolant Hose Made from Silicone Sold Individually Applications: FOR 01-10 GM 6.6L Duramax...$11.69 -
PPE 119020011 ENGINE TO CAB COOLANT HOSE FOR 11-16 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$10.79The PPE 119020011 Engine to Cab Coolant Hose is a high-quality replacement part designed to provide a factory fit FOR your vehicle. Crafted with precision, these durable silicone hoses are the perfect solution FOR worn coolant hoses that need to be...$10.79 -
PPE 119021004 EGR TO CAB COOLANT HOSE (CA) FOR 02 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$10.79Designed FOR factory fit, these durable 5mm performance silicone hoses are a perfect upgrade when your worn coolant hoses need replacing.Features: Silicone EGR to Cab Coolant Hose - Black 1-ply heat-resistant internal fibers Durable, 5mm thick silicone...$10.79 -
PPE 119021007 EGR TO CAB COOLANT HOSE FOR 04.5-10 GM 6.6L DURAMAX LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$12.14Designed FOR factory fit, these durable 5mm performance silicone hoses are a perfect upgrade when your worn coolant hoses need replacing.Features: Silicone EGR to Cab Coolant Hose 1-ply heat-resistant internal fibers Durable, 5mm thick silicone Sold...$12.14 -
PPE 119021010 EGR TO CAB COOLANT HOSE FOR 07.5-10 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$15.29Designed FOR factory fit, these durable 5mm performance silicone hoses are a perfect upgrade when your worn coolant hoses need replacing.Features: Silicone EGR to Cab Coolant Hose 1-ply heat-resistant internal fibers Durable, 5mm thick silicone Sold...$15.29 -
PPE 119021011 EGR TO CAB COOLANT HOSE FOR 11-16 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$11.65The PPE 119021011 EGR TO CAB COOLANT HOSE is a premium-quality replacement part designed to provide a perfect fit in your FOR 11-16 GM Duramax 6.6L LML. Crafted from durable 5mm performance silicone, these hoses offer a reliable solution FOR worn-out...$11.65 -
PPE 119021100 COOLANT HOSE KIT-RED FOR 01-05 GM DURAMAX 6.6L LB7/LLY
PACIFIC PERFORMANCE ENGINEERING
$269.99Factory 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 -
PPE 119021300 COOLANT HOSE KIT-RED FOR 11-16 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$269.99The 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 -
PPE 119023100 COOLANT HOSE KIT-GREEN FOR 01-05 GM DURAMAX 6.6L LB7/LLY
PACIFIC PERFORMANCE ENGINEERING
$269.99Factory 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 -
PPE 119023200 COOLANT HOSE KIT-GREEN FOR 06-10 GM DURAMAX 6.6L LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$269.99Factory 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 -
PPE 119023300 COOLANT HOSE KIT-GREEN FOR 11-16 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$269.99Replacing 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 -
PPE 119024100 COOLANT HOSE KIT-YELLOW FOR 01-05 GM DURAMAX 6.6L LB7/LLY
PACIFIC PERFORMANCE ENGINEERING
$269.99Factory 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 -
PPE 119024200 COOLANT HOSE KIT-YELLOW FOR 06-10 GM DURAMAX 6.6L LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$269.99Factory 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 -
PPE 119024300 COOLANT HOSE KIT-YELLOW FOR 11-16 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$269.99Elevate 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 -
PPE 119025100 COOLANT HOSE KIT-ORANGE FOR 01-05 GM DURAMAX 6.6L LB7/LLY
PACIFIC PERFORMANCE ENGINEERING
$269.99Factory 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 -
PPE 119025200 COOLANT HOSE KIT-ORANGE FOR 06-10 GM DURAMAX 6.6L LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$269.99Factory 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 -
PPE 119025300 COOLANT HOSE KIT-ORANGE FOR 11-16 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$269.99Upgrade 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 -
PPE 116454025 COOLANT OVERFLOW TANK FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99The 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 -
PPE 116454075 COOLANT OVERFLOW TANK FOR 07.5-10 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$269.99The 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 -
PPE 116454080 HOSE KIT FOR COOLANT TANK UNIVERSAL
PACIFIC PERFORMANCE ENGINEERING
$53.99The PPE Coolant Overflow Tank Hose Kit to complements your overflow tank install.Features: Hose Kit FOR Coolant Overflow 3/8 Inch NPT to 1/2 Inch Brass Hose Barb 3/4 Inch NPT to 1 Inch Brass Hose Barb Includes Hoses Easy installation Sold As A Kit The...$53.99 -
PPE 119000500 ENGINE COOLANT THERMOSTAT HOUSING FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99Corrosion 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 -
PPE 119000510 ENGINE COOLANT THERMOSTAT HOUSING - SINGLE SENSOR FOR 07.5-10 GM 6.6L DURAMAX LMM
PACIFIC PERFORMANCE ENGINEERING
$269.99Corrosion 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 -
PPE 119000515 ENGINE COOLANT THERMOSTAT HOUSING - DUAL SENSOR FOR 07.5-10 GM 6.6L DURAMAX LMM
PACIFIC PERFORMANCE ENGINEERING
$269.99Corrosion 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 -
PPE 119000530 THERMOSTAT HOUSING COVER RAW FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$107.99Rust is the enemy of your coolant system. Upgrade your rusty OEM thermostat housing cover with a Cast 304 Stainless Steel Thermostat Housing Cover from PPE. This direct bolt-on replacement adds style and function to your engine bay. The stainless steel...$107.99 -
PPE 119000533 THERMOSTAT HOUSING COVER POLISHED FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$107.99Rust is the enemy of your coolant system. Upgrade your rusty OEM thermostat housing cover with a Cast 304 Stainless Steel Thermostat Housing Cover from PPE. This direct bolt-on replacement adds style and function to your engine bay. The stainless steel...$107.99 -
PPE 119000540 THERMOSTAT HOUSING COVER RAW FOR 04-10 GM 6.6L DURAMAX LLY/LMM
PACIFIC PERFORMANCE ENGINEERING
$107.99Rust is the enemy of your coolant system. Upgrade your rusty OEM thermostat housing cover with a Cast 304 Stainless Steel Thermostat Housing Cover from PPE. This direct bolt-on replacement adds style and function to your engine bay. The stainless steel...$107.99 -
PPE 119000543 THERMOSTAT HOUSING COVER LLY LBZ LMM - POLISHED FOR 04-10 GM 6.6L DURAMAX LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$107.99Rust is the enemy of your coolant system. Upgrade your rusty OEM thermostat housing cover with a Cast 304 Stainless Steel Thermostat Housing Cover from PPE. This direct bolt-on replacement adds style and function to your engine bay. The stainless steel...$107.99 -
PPE 119000630 COOLANT BYPASS TUBE - WATER PUMP TO THERMOSTAT HOUSING FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$116.99Specifically designed FOR use with the factory water pump. Fully polished 304 stainless steel construction looks great and prevents corrosion. The OEM mild steel pipe rusts and eventually leaks.The PPE 119000630 Coolant Bypass Tube is an exceptional...$116.99 -
PPE 119000730 COOLANT BYPASS TUBE - WATER PUMP TO THERMOSTAT HOUSING FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$116.99Specifically designed FOR use with the factory water pump. Fully polished 304 stainless steel construction looks great and prevents corrosion. The OEM mild steel pipe rusts and eventually leaks.The PPE 119000730 Coolant Bypass Tube is an essential...$116.99 -
PPE 119000820 COOLANT BLOCK-OFF PLATE - BILLET ALUMINUM - BLACK FOR 01-20 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P
PACIFIC PERFORMANCE ENGINEERING
$53.99Enhance the performance and durability of your FOR 01-20 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P engine with the PPE 119000820 Coolant Block-Off Plate. This precision-engineered billet aluminum block-off plate in sleek black finish is a superior upgrade...$53.99 -
PPE 119001000 ENGINE COOLANT RETURN PIPE-304SS RAW FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$89.99Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$89.99 -
PPE 119001030 ENGINE COOLANT RETURN PIPE-304SS POLISHED FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$98.99Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$98.99 -
PPE 119001100 ENGINE COOLANT RETURN PIPE-304SS RAW FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$89.99Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$89.99 -
PPE 119001130 ENGINE COOLANT RETURN PIPE-304SS POLISHED FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$98.99Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$98.99 -
PPE 119001200 ENGINE COOLANT RETURN PIPE 304SS RAW FOR 06-07 GM DURAMAX 6.6L LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$89.99Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$89.99 -
PPE 119001230 ENGINE COOLANT RETURN PIPE-304SS POLISHED FOR 06-10 GM DURAMAX 6.6L LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$98.99Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$98.99 -
PPE 119020009 HEATER HOSE CONNECTOR-STAINLESS STEEL FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$22.49From 2001 to 2016, General Motors powered their 6.6L Duramax LB7/LLY/LBZ/LMM/LML engines, and with them came the need FOR reliable components like the PPE 119020009 Heater Hose Connector in Stainless Steel. When it comes to the HVAC system in your...$22.49 -
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
$197.99The 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 -
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
$197.99The PPE 119030130 Coolant Tube Pump to Oil Cooler is a premium aftermarket upgrade designed FOR the FOR 01-23 GM 6.6L Duramax engines, including LB7, LLY, LBZ, LMM, LML, and L5P models. This coolant tube is meticulously crafted from high-quality 304...$197.99 -
WEHRLI WCF100622 | 2006-2010 LBZ/LMM DURAMAX UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$130.95The WEHRLI WCF100622 Upper Coolant Pipe is the perfect upgrade for your 2006-2010 LBZ/LMM 6.6L Duramax-equipped Chevrolet Silverado or GMC Sierra 2500/3500 HD truck. This aluminum coolant pipe is designed to replace the OEM rubber upper coolant hose,...$130.95 -
XDP XD374 X-TRA COOL DIRECT-FIT RADIATOR CLUTCH FAN BLADE FOR 01-05 GM 2500/3500HD WITH DURAMAX ENGINE
XTREME DIESEL PERFORMANCE
$75.95Don't let your 2001-2005 GM 6.6L Duramax overheat due to a broken or damaged fan, replace it with the XDP X-TRA Cool Direct-Fit Radiator Clutch Fan Blade XD374. Keeping your engine temperatures in check is crucial when it comes to longevity and...$75.95 -
BD DIESEL 1030607 UNIVERSAL 10IN ELECTRIC 800 CFM COOLING FAN KIT
BD DIESEL
$80.9580-watt, 10-inch, 800 CFM universal electric fan. The fan is supplied as a "pusher" fan from factory which will draw air in through the grille of the fan and push that air into the radiator. This is ideal for installation on the front side of the...$80.95 -
XDP XD344 BILLET COOLANT BLOCK-OFF PLATE FOR 01-22 GM 2500/3500HD WITH DURAMAX ENGINE
XTREME DIESEL PERFORMANCE
$64.95Put the XDP Billet Coolant Block-Off Plate XD344 in your 2011-2017 GM 6.6L Duramax to permanently eliminate coolant leaks from the rear housing on your LML and L5P engine. The factory cover uses a gasket and over time the plate can warp, and the gaskets...$64.95 -
CPP XD292 DIRECT-FIT RADIATOR FOR 11-16 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$524.95Don't just replace the failed radiator in your 2011-2016 GM 6.6L Duramax with a stock replacement, upgrade it with the CPP Direct-Fit Replacement Radiator XD292. Designed for a simple bolt-on installation, CPP's Radiators look like a factory...$524.95 -
CPP XD295 ALUMINUM REPLACEMENT RADIATOR FOR 01-05 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$355.95The CPP XD295 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 radiator offers...$355.95 -
CPP XD297 ALUMINUM RADIATOR FOR 06-10 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$394.95The CPP XD297 Aluminum Radiator is an essential upgrade for your 2006-2010 GM 2500/3500HD equipped with a Duramax 6.6L LBZ or LMM engine. This direct-fit replacement radiator is engineered to outperform the factory component, ensuring your vehicle...$394.95 -
CPP XD328 RADIATOR DRAIN PIPE FOR 06-19 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$59.95Inline Radiator Hose Drain Designed for applications where the radiator does not have a drain valve Splices into the lower radiator hose allowing for easy access to drain your coolant Specifications: 1.5 inches od, 1.25 inches id, 3 inches long,...$59.95 -
WEHRLI WCF100405 01-05 CHEVROLET 6.6L LB7/LLY DURAMAX THERMOSTAT HOUSING & UPPER COOLANT PIPE KIT
WEHRLI CUSTOM FABRICATION
$445.23The WEHRLI WCF100405 Thermostat Housing and Upper Coolant Pipe Kit for 01-05 Chevrolet 6.6L LB7/LLY Duramax engines is a high-performance upgrade that revolutionizes coolant routing for enhanced engine access and customization options.Crafted from CNC...$445.23 -
WEHRLI WCF100644 11-16 CHEVROLET 6.6L LML DURAMAX TWIN TURBO STYLE COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$334.65The 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 -
WEHRLI WCF100268 20-22 CHEVROLET-GMC 6.6L L5P DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$484.03The WEHRLI WCF100268 20-22 CHEVROLET-GMC 6.6L L5P DURAMAX OEM PLACEMENT COOLANT TANK KIT is the ultimate solution for enhancing the look and performance of your 2020-2024 L5P Duramax engine. This fabricated aluminum coolant tank kit replaces the stock...$484.03 -
WEHRLI WCF100420 06-10 DURAMAX LBZ/LMM THERMOSTAT HOUSING KIT
WEHRLI CUSTOM FABRICATION
$396.73Enhance the performance of your 2006-2010 Duramax LBZ/LMM engine with the WEHRLI WCF100420 Thermostat Housing Kit. This kit is expertly designed to provide optimal cooling functionality for your vehicle, ensuring your engine operates at its best.Crafted...$396.73 -
WEHRLI WCF100424 2006-2010 LBZ/LMM DURAMAX TOP OUTLET BILLET THERMOSTAT HOUSING AND UPPER COOLANT PIPE KIT FOR DUAL CP3
WEHRLI CUSTOM FABRICATION
$396.73The WEHRLI WCF100424 2006-2010 LBZ/LMM Duramax Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for Dual CP3 is the ultimate solution for enhancing your vehicle's performance. Crafted to perfection, this kit not only provides a more...$396.73 -
WEHRLI WCF100472 2001+ CHEVROLET DURAMAX/13-18 6.7L DODGE CUMMINS BILLET ALUMINUM COOLANT TANK CAP - CLEAR
WEHRLI CUSTOM FABRICATION
$35.84The WEHRLI WCF100472 2001+ CHEVROLET DURAMAX/13-18 6.7L DODGE CUMMINS BILLET ALUMINUM COOLANT TANK CAP in clear is a top-of-the-line replacement coolant tank cap designed to meet the specific needs of vehicle owners with 2001+ Duramax or 2013-2018 6.7L...$35.84