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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DORMAN 621-514 CLUTCH FAN BLADE 2001-2005 GM 6.6L DURAMAX LB7/LLY | 2006-2008 GM EXPRESS/SAVANA 6.6L DURAMAX LLY
DORMAN
$79.95Replace 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...$79.95 -
DORMAN 902-2068 COOLANT THERMOSTAT HOUSING (UPPER) 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$43.87This 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...$43.87 -
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
$260.14This 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...$260.14 -
DORMAN 603-142 COOLANT RESERVOIR 2007.5-2010 GM SILVERADO/SIERRA 2500HD/3500HD 6.6L DURAMAX LMM
DORMAN
$45.95This 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...$45.95 -
DORMAN 902-2127 COOLANT THERMOSTAT HOUSING (UPPER) 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
DORMAN
$60.52The 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...$60.52 -
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
$10.99The 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...$10.99 -
DORMAN 902-901 Thermostat Bypass Pipe 2001-2005 GM 6.6L DURAMAX LB7/LLY
DORMAN
$33.95The 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...$33.95 -
DORMAN 926-424 Coolant Bypass Tube O-Ring Kit 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
DORMAN
$6.76The 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...$6.76 -
PPE 119020010 EGR TO CAB COOLANT HOSE 2001-2010 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: 2001-2010 GM 6.6L Duramax...$11.69 -
PPE 119020011 ENGINE TO CAB COOLANT HOSE 2011-2016 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) 2002 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 2004.5-2010 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 2007.5-2010 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 2011-2016 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 2011-2016 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 2001-2005 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 2011-2016 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$269.99The PPE 119021300 Coolant Hose Kit in striking red is tailored specifically for the 2011-2016 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 2001-2005 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 2006-2010 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 2011-2016 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$269.99Replacing worn or faulty coolant hoses in your 2011-2016 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 2001-2005 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 2006-2010 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 2011-2016 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$269.99Elevate the performance and reliability of your 2011-2016 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 2001-2005 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 2006-2010 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 2011-2016 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$269.99Upgrade the coolant system in your 2011-2016 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 2001-2007 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 2007.5-2010 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$53.99 -
PPE 119000500 ENGINE COOLANT THERMOSTAT HOUSING 2001-2007 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 2007.5-2010 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 2007.5-2010 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 2001-2004 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 2001-2004 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 2004-2010 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 2004-2010 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 2001-2010 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.$116.99 -
PPE 119000730 COOLANT BYPASS TUBE - WATER PUMP TO THERMOSTAT HOUSING 2001-2010 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.$116.99 -
PPE 119000820 COOLANT BLOCK-OFF PLATE - BILLET ALUMINUM - BLACK 2001-2020 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P
PACIFIC PERFORMANCE ENGINEERING
$53.99Enhance the performance and durability of your 2001-2020 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 2001-2004 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 2001-2004 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 2004.5-2005 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 2004.5-2005 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 2006-2007 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 2006-2010 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 2001-2016 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 2001-2023 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 2001-2023 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 2001-2023 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 2001-2023 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 2001-2005 GM DURAMAX 6.6L LLY/LBZ LB7/LLY
XTREME DIESEL PERFORMANCE
$75.95Ensure your 2001-2005 GM 6.6L Duramax engine stays cool and efficient with the XDP XD374 X-TRA Cool Direct-Fit Radiator Clutch Fan Blade. When it comes to your vehicle's performance and lifespan, maintaining proper engine temperatures is paramount. Don't...$75.95 -
BD DIESEL 10IN ELECTRIC COOLING FAN KIT (800 CFM) - 1030607
BD DIESEL
$77.95Enhance your vehicle's cooling system with the BD Diesel 1030607 10-inch Electric Cooling Fan Kit, delivering a powerful and efficient solution for maintaining optimal engine temperatures. This versatile 80-watt fan is designed as a default "pusher" fan,...$77.95 -
XDP XD344 BILLET COOLANT BLOCK-OFF PLATE 2001-2022 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML/L5P
XTREME DIESEL PERFORMANCE
$64.95The XDP XD344 Billet Coolant Block-Off Plate is the perfect solution for owners of 2011-2017 GM 6.6L Duramax engines looking to permanently eliminate troublesome coolant leaks from the rear housing on their LML and L5P engines. Say goodbye to the...$64.95 -
XDP XD292 REPLACEMENT RADIATOR DIRECT-FIT X-TRA COOL DIRECT-FIT 2011-2016 GM DURAMAX 6.6L LML
XTREME DIESEL PERFORMANCE
$524.95The XDP X-TRA Cool Direct-Fit Replacement Radiator XD292 is the ultimate solution for owners of 2011-2016 GM Duramax 6.6L LML vehicles looking to upgrade their stock radiator. This direct-fit replacement radiator is meticulously designed to not only look...$524.95 -
XDP XD295 REPLACEMENT RADIATOR DIRECT FIT X-TRA COOL 2001-2005 GM DURAMAX 6.6L LLY/LBZ
XTREME DIESEL PERFORMANCE
$355.95The XDP X-TRA Cool Direct-Fit Replacement Radiator XD295 has been engineered as the ultimate solution to address the shortcomings of the standard radiators in 2001-2005 GM 6.6L Duramax LB7 and LLY vehicles. Crafted with precision and expertise borrowed...$355.95 -
XDP XD297 REPLACEMENT RADIATOR DIRECT-FIT X-TRA COOL 2006-2010 GM DURAMAX 6.6L LBZ
XTREME DIESEL PERFORMANCE
$419.95The XDP XD297 REPLACEMENT RADIATOR DIRECT-FIT X-TRA COOL 2006-2010 GM DURAMAX 6.6L LBZ is the ultimate solution to upgrade your radiator and elevate your driving experience. Designed specifically for the 6.6L Duramax LBZ and LMM engines, this replacement...$419.95 -
XDP XD328 RADIATOR DRAIN PIPE 2006-2019 GM DURAMAX 6.6L LLY/LBZ/LMM/LML
XTREME DIESEL PERFORMANCE
$59.95The XDP XD328 Radiator Drain Pipe is a must-have product for owners of 2006-2019 GM Duramax 6.6L LLY/LBZ/LMM/LML trucks looking to simplify the process of servicing their cooling system. Say goodbye to the messy and inconvenient task of draining coolant...$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 -
WEHRLI WCF100541 2020-2024 L5P DURAMAX UPPER COOLANT PIPE KIT
WEHRLI CUSTOM FABRICATION
$154.23The WEHRLI WCF100541 2020-2024 L5P Duramax Upper Coolant Pipe Kit is the ultimate solution for upgrading the appearance and performance of your 2020-2024 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500/3500 truck. Say goodbye to the...$154.23 -
WEHRLI WCF100860 2001-2005 LB7 / LLY DURAMAX UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$130.95The WEHRLI WCF100860 2001-2005 LB7 / LLY DURAMAX UPPER COOLANT PIPE is an aluminum upper coolant pipe specially designed to replace the OEM rubber upper coolant hose for LB7/LLY Duramax engines. This high-quality pipe comes with the option of a...$130.95 -
WEHRLI WCF100742 2017-2019 L5P DURAMAX UPPER COOLANT PIPE KIT
WEHRLI CUSTOM FABRICATION
$144.53The WEHRLI WCF100742 2017-2019 L5P Duramax Upper Coolant Pipe Kit is a game-changer for your vehicle's cooling system. Crafted from durable aluminum material, this upper coolant pipe is designed to replace the OEM rubber hose in your 2017-2019 L5P...$144.53 -
WEHRLI WCF100696 2011-2016 LML DURAMAX UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$144.53The WEHRLI WCF100696 2011-2016 LML DURAMAX UPPER COOLANT PIPE is a premium aluminum upper coolant pipe designed to replace the OEM rubber upper coolant hose in the 2011-2016 LML Duramax models. This high-quality product is engineered for precision and...$144.53 -
WEHRLI WCF100647 2011-2016 LML DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$435.53The WEHRLI WCF100647 2011-2016 LML DURAMAX OEM PLACEMENT COOLANT TANK KIT is the perfect solution to enhance the performance and aesthetics of your 6.6L Duramax Diesel-equipped Chevrolet Silverado or GMC Sierra 2500/3500 HD truck from 2011 to 2016. Say...$435.53 -
WEHRLI WCF100645 2001-2007 LB7 / LLY / LBZ DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$435.53The WEHRLI WCF100645 2001-2007 LB7 / LLY / LBZ DURAMAX OEM PLACEMENT COOLANT TANK KIT is the perfect solution to elevate the appearance and functionality of your engine bay. Crafted specifically for 2001-2007 Duramax engines, this coolant tank kit...$435.53 -
WEHRLI WCF100642 2001-2007 LB7/LLY/LBZ DURAMAX TWIN TURBO COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$334.65The 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 -
AFE POWER 46-52041 BLADERUNNER STREET SERIES HIGH CAPACITY ALUMINUM RADIATOR GM DIESEL TRUCKS 06-10 V8-6.6L (TD) LLY/LBZ/LMM
AFE POWER
$860.48The AFE POWER 46-52041 BladeRunner Street Series High Capacity Aluminum Radiator is designed specifically for GM diesel trucks from 2006 to 2010 with a V8-6.6L (TD) engine, including LLY, LBZ, and LMM models. This exceptional radiator is engineered to...$860.48 -
AFE POWER 46-52031 BLADERUNNER STREET SERIES ALUMINUM RADIATOR GM DIESEL TRUCKS 01-05 V8-6.6L (TD) LB7/LLY
AFE POWER
$860.48The AFE POWER 46-52031 BladeRunner Street Series Aluminum Radiator is designed to elevate your GM diesel truck's cooling performance to a whole new level. Featuring an oversized 2-3/4" thick tube and fin core, this radiator enhances heat dissipation and...$860.48 -
PPE 119020086 1.75" COOLANT DRAIN TUBE SS W/1/4"NPT BUNG UNIVERSAL
PACIFIC PERFORMANCE ENGINEERING
$26.99Coolant Drain Tube - 1.75” - 304 Stainless Steel Now easily drain your cooling system with this painless upgrade. This quick install can be done right in your driveway and adds a service option to any vehicle that doesn't come with a factory...$26.99 -
MISHIMOTO MMRAD-DMAX-11 ALUMINUM RADIATOR 2011-2016 GM DURAMAX 6.6L
MISHIMOTO
$950.95Enhance 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%...$950.95 -
MISHIMOTO MMRAD-DMAX-06 ALUMINUM RADIATOR 2006-2010 GM DURAMAX 6.6L
MISHIMOTO
$905.95The 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...$905.95 -
MISHIMOTO MMRAD-DMAX-01 ALUMINUM RADIATOR 2001-2005 GM DURAMAX 6.6L
MISHIMOTO
$896.95The 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...$896.95 -
PPE 119000100 COOLANT BLOCK OFF PLUG 2007.5-2010 GM 6.6L DURAMAX LMM
PACIFIC PERFORMANCE ENGINEERING
$35.99Coolant Block-Off Plug Duramax (LMM) Coolant Block-Off Plug by PPE®. Finish: Undefined. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods and high-grade...$35.99 -
PPE 116002060 LARGE DIAMETER (12.7MM) TURBO COOLANT HOSE 2006-2010 GM DURAMAX 6.6L LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$8.99Time and under hood temperatures make the factory turbo coolant hose material brittle. Plus, if you replace your turbo or remove this small coolant hose, the factory rubber typically deforms or tears.The PPE Turbo Coolant Hose Performance Silicone Hose...$8.99 -
PPE 119022100 PERFORMANCE SILICONE UPPER AND LOWER COOLANT HOSE KIT BLUE 2001-2005 GM 6.6L DURAMAX LB7
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...$269.99 -
PPE 114001050 COOLANT TUBE KIT FOR INTERNAL OIL COOLER DELETE 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$179.99The PPE 114001050 Coolant Tube Kit is a precision-engineered solution designed to complement the PPE Internal Oil Cooler Delete Kit for 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML engines. Crafted from high-quality 304 stainless steel, this kit ensures...$179.99 -
PPE 119022300 SILICONE UPPER AND LOWER COOLANT HOSE KIT-GREEN 2011-2016 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$269.99The 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 2011-2016 GM 6.6L Duramax LML engine, this kit...$269.99 -
PPE 116002045 SMALL DIAMETER (10 MM) TURBO COOLANT HOSE 2001-2005 GM DURAMAX 6.6L LB7/LLY
PACIFIC PERFORMANCE ENGINEERING
$8.99Turbo Coolant Hose Small Diameter 10mm LB7 LLY Time and under hood temperatures make the factory turbo coolant hose material brittle. Plus, if you replace your turbo or remove this small coolant hose, the factory rubber typically deforms or tears.The PPE...$8.99 -
PPE 119021200 COOLANT HOSE KIT-RED 2006-2010 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 119022200 SILICONE UPPER AND LOWER COOLANT HOSE KIT-BLUE 2006-2010 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 119020100 COOLANT HOSE KIT-BLACK 2001-2005 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 >PPEs Performance Silicone Coolant Hose Kit. Perfect for...$269.99 -
PPE 119020200 COOLANT HOSE KIT-BLACK 2006-2010 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 >PPEs Performance Silicone Coolant Hose Kit. Perfect for...$269.99 -
PPE 119020300 SILICONE UPPER & LOWER COOLANT HOSE KIT-(BLACK) 2011-2016 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$269.99Enhance the performance and durability of your 2011-2016 GM 6.6L Duramax LML with the PPE 119020300 Silicone Upper & Lower Coolant Hose Kit in sleek black. Say goodbye to the risk of cracked coolant hose T fittings, as this top-of-the-line kit from PPE...$269.99 -
PPE 116111810 COOLANT TUBE OEM CUT AND WELD 2007.5-2010 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$179.99PPEs modified coolant tube for LMM Duramax 6.6L is designed for use with PPE Up-pipes and Manifolds. Our experts cut, reposition and weld the coolant tube for proper clearance. The coolant that flows through the tube provides heat to the heater core for...$179.99 -
MISHIMOTO MMTS-CHV-01DL LOW TEMPERATURE THERMOSTATS (SET OF 2) 2001-2016 GM DURAMAX 6.6L
MISHIMOTO
$87.95The Mishimoto MMTS-CHV-01DL Low Temperature Thermostats are the ideal cooling solution for Chevrolet/GMC Duramax 6.6L engines from 2001 to 2016. Engineered to activate at a lower temperature compared to OEM thermostats, this set of two thermostats...$87.95 -
MISHIMOTO MMTS-CHV-01DH HIGH TEMPERATURE THERMOSTATS (SET OF 2) 2001-2016 GM DURAMAX 6.6L
MISHIMOTO
$85.95The Mishimoto MMTS-CHV-01DH High Temperature Thermostats (Set of 2) for 2001-2016 GM Duramax 6.6L engines are engineered to optimize the performance of your Chevrolet or GMC Duramax truck. These high-temperature thermostats are designed to activate at a...$85.95 -
MISHIMOTO MMHOSE-DMAX-11RD SILICONE COOLANT HOSE KIT - RED 2011-2016 GM DURAMAX 6.6L
MISHIMOTO
$391.95The 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...$391.95 -
MISHIMOTO MMHOSE-DMAX-11BL SILICONE COOLANT HOSE KIT - BLUE 2011-2016 GM DURAMAX 6.6L
MISHIMOTO
$391.95The 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...$391.95 -
MISHIMOTO MMHOSE-DMAX-11BK SILICONE COOLANT HOSE KIT - BLACK 2011-2016 GM DURAMAX 6.6L
MISHIMOTO
$391.95The 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...$391.95 -
MISHIMOTO MMHOSE-CHV-06DRD SILICONE COOLANT HOSE KIT - RED 2006-2010 DURAMAX 6.6L
MISHIMOTO
$380.95Enhance 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...$380.95 -
MISHIMOTO MMHOSE-CHV-06DBL SILICONE COOLANT HOSE KIT - BLUE 2006-2010 DURAMAX 6.6L
MISHIMOTO
$380.95The 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...$380.95 -
MISHIMOTO MMHOSE-CHV-06DBK SILICONE COOLANT HOSE KIT - BLACK 2006-2010 DURAMAX 6.6L
MISHIMOTO
$380.95Enhance 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...$380.95 -
MISHIMOTO MMHOSE-CHV-01DRD SILICONE COOLANT KIT - RED 2001-2005 DURAMAX 6.6L
MISHIMOTO
$326.95Mishimoto 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...$326.95 -
MISHIMOTO MMHOSE-CHV-01DBL SILICONE COOLANT KIT - BLUE 2001-2005 DURAMAX 6.6L
MISHIMOTO
$326.95Mishimoto 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...$326.95 -
MISHIMOTO MMHOSE-CHV-01DBK SILICONE COOLANT KIT- BLACK 2001-2005 DURAMAX 6.6L
MISHIMOTO
$326.95Mishimoto'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...$326.95 -
MISHIMOTO MMFAN-MOUNT Electric Fan Mounting Kit
MISHIMOTO
$13.95The Mishimoto MMFAN-MOUNT Electric Fan Mounting Kit offers a versatile solution for securely mounting a Mishimoto electric fan to any Mishimoto aluminum radiator. Specifically designed for custom applications, this universal fan mount kit provides the...$13.95 -
FLEECE FPE-DMAX-CBOP COOLANT BLOCK OFF PLATE 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
FLEECE PERFORMANCE
$55.00Upgrade your rear engine cover with the Fleece FPE-DMAX-CBOP Coolant Block Off Plate for 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML models and bid farewell to coolant leaks for good! This high-quality blocking plate is designed to outperform stock...$55.00 -
FLEECE FPE-LML-CP REAR ENGINE COVER COOLANT RETURN PLUG 2011-2016 GM DURAMAX LML
FLEECE PERFORMANCE
$19.99The Fleece FPE-LML-CP Rear Engine Cover Coolant Return Plug for the 2011-2016 GM Duramax LML is a premium solution to ensure optimal engine performance. Crafted from durable 6061 aluminum, this plug is designed to last. The sleek black anodized finish...$19.99