COOLING SYSTEM
A truly high-performance diesel engine is going to be generating a lot of heat, and you want to make sure your cooling system is up to speed. Cooler air flow allows for a higher density air delivery as well, increasing power and performance. CPP Diesel carries Duramax electric fans, Duramax radiator fans, and a variety of other parts and components you need to properly cool your Duramax engine.
Quality Parts You Need
We have it all: radiator fans, single and dual output fans, radiators, hose kits, and other quality parts from premium names like Derale and Mishimoto. As passionate diesel enthusiasts, we work hard to stock every part and component that diesel drivers want, and we seek to do it with the finest customer service on the web. On most orders placed before 2:00 P.M. EST, we ship out the parts as soon as we get the order.
Order Yours Today
Check out our vast selection of Duramax electric fans, Duramax radiator fans, and other essential cooling system parts. If you aren't seeing the product you are looking for, or you have a question about a particular part, don't hesitate to call us at 724-785-4022, or drop us a message and we'll get back to you as soon as we can. Order your parts today!
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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
$269.99Factory 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-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
$269.99Factory 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-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
$269.99Factory 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-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
$269.99Factory 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 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 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 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
$197.99Specifically 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 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
$197.99Specifically 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 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
$179.99Specifically 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 119022300 SILICONE UPPER AND LOWER COOLANT HOSE KIT-GREEN 2011-2016 GM 6.6L DURAMAX LML
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 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
$269.99Factory 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 your...$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