
COOLING SYSTEM
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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FLEECE FPE-HAR-DMAX-FAN-LML DURAMAX FAN EXTENSION HARNESS (LML)
FLEECE PERFORMANCE ENGINEERING
$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 ENGINEERING
$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 -
FLEECE FPE-DMAX-CBOP DURAMAX BILLET COOLANT BLOCK OFF PLATE 2001-2017
FLEECE PERFORMANCE ENGINEERING
$55.002001-2016 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast covers corrode. Our billet coolant block off plate with an integral O-ring is an upgrade for your rear...$55.00 -
FLEECE FPE-LML-CP DURAMAX LML REAR ENGINE COVER COOLANT RETURN PLUG
FLEECE PERFORMANCE ENGINEERING
$19.99Whether you're putting on an aftermarket turbo or deleting the EGR system on your LML, this coolant return plug will help you put the finishing touches on the job. The plug is made from high quality 6061 aluminum, anodized black, and laser etched with...$19.99 -
FLEECE FPE-TURBO-THERM DURAMAX TURBO THERMOSTAT DELETE PLUG
FLEECE PERFORMANCE ENGINEERING
$37.95The Fleece Performance Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed line when installing a non-water cooled turbocharger on your Duramax. It provides clearance for larger intake plumbing, is CNC machined from...$37.95 -
BD DIESEL 1030607 UNIVERSAL ELECTRIC COOLING FAN KIT 80-WATT 10 INCH 800 CFM C/W UNIVERSIAL MOUNTING KIT
BD DIESEL
$83.9580-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 vehicles...$83.95 -
PPE 119000830 COOLANT BYPASS TUBE - WATER PUMP TO THERMOSTAT HOUSING 2011-2016 GM 6.6L DURAMAX LML
PPE
$116.99The OEM mild steel tube is prone to rust, which can lead to coolant system contamination and eventual leaks. Over time, factory O-rings also tend to harden and lose compression, increasing the risk of failure. PPE’s upgraded bypass tube is specifically...$116.99 -
PPE 119020400 SILICONE LOWER AND UPPER RADIATOR HOSE KIT 17-19 GM 6.6L DURAMAX L5P
PPE
$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 119020000 LML HEATER OUTLET HOSE CONNECTOR - 5/8 INCH HOSE TO 5/8 INCH TUBE
PPE
$19.79The OEM plastic heater hose connector is a common failure point-heat cycles and engine vibration always lead to plastic cracking which causes coolant leaks. This PPE Stainless Steel Heater Hose Connector provides excellent durability and corrosion...$19.79 -
PPE 119000100 COOLANT BLOCK-OFF PLUG DURAMAX 2001-2010 GM 6.6L DURAMAX LMM
PPE
$35.99When installing PPE Exhaust Manifolds and Up-pipes, the factory coolant tube is no longer compatible. Intended for race trucks that no longer have the need for coolant to flow to the EGR and cabin heater. The Coolant Block-Off Plug is installed in place...$35.99 -
PPE 119020086 1.75 INCH COOLANT DRAIN TUBE STAINLESS STEEL W/ 1/4 INCHNPT BUNG
PPE
$26.99Features 1/4 inch NPT bung is a convenient way to quickly drain your coolant system.Features: 1.75 Inch Coolant Drain Tube Made from 304 stainless steel Built-in 1/4 inch NPT bung Stainless steel clamps included Sold As A Kit Applications: 2001-2016...$26.99 -
PPE 119020010 EGR TO CAB COOLANT HOSE 01-10
PPE
$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 11-16
PPE
$10.79Designed for factory fit, these durable 5mm performance silicone hoses are a perfect upgrade when your worn coolant hoses need replacing.Features: Engine to Cab Coolant Hose 1-Ply heat-resistant internal fibers Made from durable, 5mm thick Silicone Sold...$10.79 -
PPE 119021004 EGR TO CAB COOLANT HOSE 2002 CA LB7
PPE
$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 04.5-10
PPE
$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 07.5-10
PPE
$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 11-16
PPE
$11.65Designed 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...$11.65 -
PPE 119021100 COOLANT HOSE KIT 01-05 LB7 LLY RED
PPE
$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 119021200 COOLANT HOSE KIT 06-10 LBZ / LMM RED
PPE
$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 2011-16 LML RED
PPE
$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 119022100 COOLANT HOSE KIT 01-05 LB7 LLY BLUE
PPE
$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 COOLANT HOSE KIT 06-10 LBZ / LMM BLUE
PPE
$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 119022300 COOLANT HOSE KIT 2011-16 LML BLUE
PPE
$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 119023100 COOLANT HOSE KIT 01-05 LB7 LLY GREEN
PPE
$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 06-10 LBZ / LMM GREEN
PPE
$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 2011-16 LML GREEN
PPE
$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 119024100 COOLANT HOSE KIT 01-05 LB7 LLY YELLOW
PPE
$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 06-10 LBZ / LMM YELLOW
PPE
$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 2011-16 LML YELLOW
PPE
$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 119025100 COOLANT HOSE KIT 01-05 LB7 LLY ORANGE
PPE
$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 06-10 LBZ / LMM ORANGE
PPE
$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 2011-16 LML ORANGE
PPE
$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 01-05 LB7 / LLY BLACK
PPE
$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 06-10 LBZ / LMM BLACK
PPE
$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 COOLANT HOSE KIT 11-16 BLACK
PPE
$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 116454025 COOLANT OVERFLOW TANK 01-07
PPE
$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 07.5-10 LMM
PPE
$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 116111810 LMM COOLANT TUBE OEM CUT AND WELD 2007.5-2010 GM 6.6L DURAMAX
PPE
$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 -
PPE 114001050 COOLANT TUBE FOR DELETE KIT 01-10
PPE
$179.99Specifically designed for use in conjunction with the PPE Internal Oil Cooler Delete Kit. This custom fabricated kit uses 304 stainless steel, two PPE T-Bolt Clamps and PPE Silicone to secure a perfect fit. Great for marine applications. Not compatible...$179.99 -
PPE 116454080 HOSE KIT FOR COOLANT TANK
PPE
$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 116002045 TURBO COOLANT HOSE SMALL DIAMETER 10MM
PPE
$8.99Drag racing and sled pulling places huge stress on your trucks silicone hoses in a very short period of time. >PPEs hoses were designed to handle the rigors of increased pressure during racing and competition. They are equally proficient at daily...$8.99 -
PPE 116002060 TURBO COOLANT HOSE LARGE DIAMETER 12.7 MM
PPE
$8.99Drag racing and sled pulling places huge stress on your trucks silicone hoses in a very short period of time. >PPEs hoses were designed to handle the rigors of increased pressure during racing and competition. They are equally proficient at daily...$8.99 -
$6.29
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PPE 119000230 COOLANT REROUTE TUBE - STRAIGHT (RACE APPLICATION) - POLISHED 304 STAINLESS STEEL
PPE
$53.99Specifically designed for use in conjunction with the factory thermostat housing. Straight design for use with larger intake bridge. Stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and...$53.99 -
PPE 119000330 COOLANT REROUTE TUBE DURAMAX OEM LLY/LBZ STYLE POLISHED
PPE
$53.99Specifically designed for use in conjunction with the factory thermostat housing. Straight design for use with larger intake bridge. Stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and...$53.99 -
PPE 119000500 2001-2007 GM 6.6L DURAMAX ENGINE COOLANT THERMOSTAT HOUSING
PPE
$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
PPE
$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
PPE
$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 2001-2004 GM 6.6L DURAMAX THERMOSTAT HOUSING COVER RAW
PPE
$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 2001-2004 GM 6.6L DURAMAX THERMOSTAT HOUSING COVER POLISHED
PPE
$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 2004-2010 GM 6.6L DURAMAX THERMOSTAT HOUSING COVER LLY LBZ LMM RAW
PPE
$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 2004-2010 GM 6.6L DURAMAX THERMOSTAT HOUSING COVER LLY LBZ LMM - POLISHED
PPE
$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 2001-2010 GM 6.6L DURAMAX COOLANT BYPASS TUBE - WATER PUMP TO THERMOSTAT HOUSING
PPE
$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 2001-2010 GM 6.6L DURAMAX COOLANT BYPASS TUBE - WATER PUMP TO THERMOSTAT HOUSING
PPE
$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 2001-2020 GM 6.6L DURAMAX COOLANT BLOCK-OFF PLATE - BILLET ALUMINUM - BLACK
PPE
$53.99The OEM block off plate uses a gasket and can leak over time. The PPE billet block off plate is thicker and uses an O-ring seal. The O-ring is made from Viton more maximum longevity. The PPE billet block off plate installs using the OEM fasteners.$53.99 -
PPE 119001000 ENGINE COOLANT RETURN PIPE 2001-04 LB7 304SS RAW
PPE
$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 2001-04 LB7 304SS POLISHED
PPE
$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 2004.5-05 LLY 304SS RAW
PPE
$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 2004.5-05 LLY 304SS POLISHED
PPE
$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 2006-07 LBZ/LMM 304SS RAW
PPE
$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 2006-10 LBZ/LMM 304SS POLISHED
PPE
$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 1999-2016 GM STAINLESS STEEL HEATER HOSE CONNECTOR
PPE
$19.79The plastic HVAC heater hose connectors are a common failure point when the older part fatigues from heat and vibration. This PPE Stainless Steel Heater Hose Connector will provide excellent durability and corrosion resistance for the life of your...$19.79 -
PPE 119030100 2001-2023 GM 6.6L DURAMAX 304 STAINLESS STEEL COOLANT TUBE PUMP TO OIL COOLER RAW
PPE
$197.99Specifically 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 pipe which is prone...$197.99 -
PPE 119030130 2001-2023 GM 6.6L DURAMAX 304 STAINLESS STEEL COOLANT TUBE PUMP TO OIL COOLER POLISHED
PPE
$197.99Specifically 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 pipe which is prone...$197.99 -
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: -
MAHLE C33756 COOLANT PIPE O-RING FOR 17-20 GM DURAMAX
MAHLE
$3.29The MAHLE C33756 is a coolant pipe O-ring designed for the 2017–2020 GM 6.6L Duramax L5P diesel engines. This O-ring serves as an OE-style replacement, ensuring a tight and dependable seal to maintain optimal engine cooling performance...$3.29 -
MAHLE GS33752 WATER PUMP GASKET KIT FOR 01-10 GM DURAMAX
MAHLE
$21.80Type 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...$21.80 -
MAHLE C31900 COOLANT THERMOSTAT HOUSING GASKET FOR 01-16 GM DURAMAX
MAHLE
$7.44Item 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,...$7.44 -
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
$147.77Replace 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...$147.77 -
DORMAN 621-514 CLUTCH FAN BLADE 2001-2005 GM 6.6L DURAMAX LB7/LLY | 2006-2008 GM EXPRESS/SAVANA 6.6L DURAMAX LLY
DORMAN
$105.53Replace 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...$105.53 -
DORMAN 902-2068 COOLANT THERMOSTAT HOUSING (UPPER) 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$57.90This 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 -...$57.90 -
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
$318.95This 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...$318.95 -
DORMAN 603-142 COOLANT RESERVOIR 2007.5-2010 GM SILVERADO/SIERRA 2500HD/3500HD 6.6L DURAMAX LMM
DORMAN
$60.65This 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...$60.65 -
DORMAN 902-2127 COOLANT THERMOSTAT HOUSING (UPPER) 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
DORMAN
$79.88The 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...$79.88 -
DORMAN 926-160 LOWER RADIATOR HOSE O-RING 2006-2014 GM SILVERADO/SIERRA 2500 HD/3500HD 6.6L DURAMAX LBZ/LMM/LML (RADIATOR OUTLET)
DORMAN
$13.82Product Description:The Dorman 926-160 Lower Radiator Hose O-Ring is a critical component designed specifically for 2006-2014 GM Silverado/Sierra 2500 HD/3500HD 6.6L Duramax LBZ/LMM/LML trucks, addressing the common issue of lower radiator hose O-ring...$13.82 -
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
$14.51The 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...$14.51 -
DORMAN 902-901 THERMOSTAT BYPASS PIPE 2001-2005 GM 6.6L DURAMAX LB7/LLY
DORMAN
$44.81The 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...$44.81 -
DORMAN 926-424 COOLANT BYPASS TUBE O-RING KIT 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
DORMAN
$8.92The 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...$8.92 -
WEHRLI WCF100622 | 2006-2010 LBZ/LMM DURAMAX UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$138.71The 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,...$138.71 -
XDP XD374 X-TRA COOL DIRECT-FIT RADIATOR CLUTCH FAN BLADE FOR 01-05 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$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 -
CPP DIESEL UNIVERSAL 10IN ELECTRIC 1750 CFM COOLING FAN KIT
CPP DIESEL
$89.95Enhance your vehicle's cooling system with the CPP Diesel 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,...$89.95 -
XDP XD344 BILLET COOLANT BLOCK-OFF PLATE FOR 01-22 GM 2500/3500HD WITH DURAMAX ENGINE
XDP
$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 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 CPP292. Designed for a simple bolt-on installation, CPP's Radiators look like a factory...$524.95 -
CPP DIESEL ALUMINUM REPLACEMENT RADIATOR FOR 01-05 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$355.95The 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 -
CPP ALUMINUM RADIATOR FOR 06-10 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$394.95The CPP CPP-0610-ALRAD 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...$394.95 -
CPP 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, 1/4...$59.95 -
WEHRLI WCF100405 01-05 CHEVROLET 6.6L LB7/LLY DURAMAX THERMOSTAT HOUSING & UPPER COOLANT PIPE KIT
WEHRLI CUSTOM FABRICATION
$459.78The 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...$459.78 -
WEHRLI WCF100268 20-22 CHEVROLET-GMC 6.6L L5P DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$509.252020-2025 L5P Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay by replacing the ugly clear plastic coolant reservoir with our custom powder coated fabricated aluminum coolant tank with sight...$509.25 -
WEHRLI WCF100420 06-10 DURAMAX LBZ/LMM THERMOSTAT HOUSING KIT
WEHRLI CUSTOM FABRICATION
$459.78The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM 6.6L Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant...$459.78 -
WEHRLI WCF100424 2006-2010 LBZ/LMM DURAMAX TOP OUTLET BILLET THERMOSTAT HOUSING AND UPPER COOLANT PIPE KIT FOR DUAL CP3
WEHRLI CUSTOM FABRICATION
$459.78The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the OEM upper radiator hose that normally crosses over the driver side valve cover as well as the coolant return pipe. By changing the coolant...$459.78 -
WEHRLI WCF100472 2001+ CHEVROLET DURAMAX/13-18 6.7L DODGE CUMMINS BILLET ALUMINUM COOLANT TANK CAP - CLEAR
WEHRLI CUSTOM FABRICATION
$37.8318-20PSI Replacement Coolant Tank Cap, Clear Anodized. Used on WCFab Fabricated Coolant Tanks on 2001-2024 Duramax or 2004.5-2007 & 2010-2024 6.7L Cummins. - Replacement Cap for WCFab Coolant Tank- Clear Anodized Finish The WEHRLI WCF100472...$37.83 -
WEHRLI WCF100541 2020-2024 L5P DURAMAX UPPER COOLANT PIPE KIT
WEHRLI CUSTOM FABRICATION
$162.96Upper Coolant Pipe for 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 truck replaces the ugly OEM rubber upper radiator hose with a fabricated aluminum hard pipe powder coated in your color of choice! For use with...$162.96 -
WEHRLI WCF100860 2001-2005 LB7 / LLY DURAMAX UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$138.71High Flow Intake Bundle Package for 2003-2007 5.9L Cummins. Saves $50.00 vs buying all components individually! This Kit Includes: WCF100544 - 3" Passenger Side Intercooler Pipe WCF100528 - 3.5" Driver Side Intercooler Pipe and Intake Horn Kit WCF100346...$138.71 -
WEHRLI WCF100742 2017-2019 L5P DURAMAX UPPER COOLANT PIPE KIT
WEHRLI CUSTOM FABRICATION
$151.32Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! For use with OEM GM radiator. Aftermarket radiators may cause fitment issues. Replaces the following GM Part...$151.32 -
WEHRLI WCF100696 2011-2016 LML DURAMAX UPPER COOLANT PIPE
WEHRLI CUSTOM FABRICATION
$151.32Aluminum Upper Coolant Pipe for 2011-2016 LML Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! For use with OEM GM radiator! Some aftermarket radiators may cause fitment issues! Replaces the following GM Part...$151.32 -
WEHRLI WCF100647 2011-2016 LML DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$458.81Fabricated Aluminum Coolant Tank Kit for 2011-2016 6.6L Duramax Diesel equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck. Mounts in OEM coolant tank location. Dress up your engine bay by replacing the ugly clear plastic coolant reservoir...$458.81 -
WEHRLI WCF100645 2001-2007 LB7 / LLY / LBZ DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$458.812001-2007 Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay by replacing the ugly clear plastic coolant reservoir with our custom powder coated fabricated aluminum coolant tank with sight glass...$458.81