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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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 is an upgrade for the old leaking radiator in your 2001-2005 GM 6.6L Duramax LB7 and LLY. While the X-TRA Cool may resemble a stock replacement, the construction and design is far from it! The...$355.95 -
XDP XD297 REPLACEMENT RADIATOR DIRECT-FIT X-TRA COOL 2006-2010 GM DURAMAX 6.6L LBZ
XTREME DIESEL PERFORMANCE
$419.95Use the XDP X-TRA Cool Direct-Fit Replacement Radiator XD297 to upgrade the failed radiator in your 2006-2010 GM 6.6L Duramax LBZ and LMM. The X-TRA Cool Radiators are built for increased durability over your factory radiator. Using construction...$419.95 -
WEHRLI WCF100405 01-05 CHEVROLET 6.6L LB7/LLY DURAMAX THERMOSTAT HOUSING & UPPER COOLANT PIPE KIT
WEHRLI CUSTOM FABRICATION
$445.23The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY 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...$445.23 -
WEHRLI WCF100268 20-22 CHEVROLET-GMC 6.6L L5P DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$484.032020-2024 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...$484.03 -
WEHRLI WCF100420 06-10 DURAMAX LBZ/LMM THERMOSTAT HOUSING KIT
WEHRLI CUSTOM FABRICATION
$396.7306-10 Duramax LBZ/LMM Thermostat Housing Kit - Semi-Gloss Black$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 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...$396.73 -
WEHRLI WCF100647 2011-2016 LML DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$435.53Fabricated 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...$435.53 -
WEHRLI WCF100645 2001-2007 LB7 / LLY / LBZ DURAMAX OEM PLACEMENT COOLANT TANK KIT
WEHRLI CUSTOM FABRICATION
$435.532001-2007 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...$435.53 -
MISHIMOTO MMHOSE-DMAX-11RD SILICONE COOLANT HOSE KIT - RED 2011-2016 GM DURAMAX 6.6L
MISHIMOTO
$391.95A leaking coolant hose can lead to serious engine damage if not quickly identified. Upgrade your Duramax cooling system with the Mishimoto 2011-2016 Chevrolet/GMC 6.6L Duramax LML Silicone Coolant Hose Kit for the perfect combination of performance and...$391.95 -
MISHIMOTO MMHOSE-DMAX-11BL SILICONE COOLANT HOSE KIT - BLUE 2011-2016 GM DURAMAX 6.6L
MISHIMOTO
$391.95A leaking coolant hose can lead to serious engine damage if not quickly identified. Upgrade your Duramax cooling system with the Mishimoto 2011-2016 Chevrolet/GMC 6.6L Duramax LML Silicone Coolant Hose Kit for the perfect combination of performance and...$391.95 -
MISHIMOTO MMHOSE-DMAX-11BK SILICONE COOLANT HOSE KIT - BLACK 2011-2016 GM DURAMAX 6.6L
MISHIMOTO
$391.95A leaking coolant hose can lead to serious engine damage if not quickly identified. Upgrade your Duramax cooling system with the Mishimoto 2011-2016 Chevrolet/GMC 6.6L Duramax LML Silicone Coolant Hose Kit for the perfect combination of performance and...$391.95 -
MISHIMOTO MMHOSE-CHV-06DRD SILICONE COOLANT HOSE KIT - RED 2006-2010 DURAMAX 6.6L
MISHIMOTO
$380.95Rubber is out, and silicone is in for your Duramax coolant hoses! A leaking coolant hose can lead to serious engine damage if not quickly identified. Upgrade your cooling system with the Mishimoto 6.6L Duramax Silicone Coolant Hose Kit for the perfect...$380.95 -
MISHIMOTO MMHOSE-CHV-06DBL SILICONE COOLANT HOSE KIT - BLUE 2006-2010 DURAMAX 6.6L
MISHIMOTO
$380.95Rubber is out, and silicone is in for your Duramax coolant hoses! A leaking coolant hose can lead to serious engine damage if not quickly identified. Upgrade your cooling system with the Mishimoto 6.6L Duramax Silicone Coolant Hose Kit for the perfect...$380.95 -
MISHIMOTO MMHOSE-CHV-06DBK SILICONE COOLANT HOSE KIT - BLACK 2006-2010 DURAMAX 6.6L
MISHIMOTO
$380.95Rubber is out, and silicone is in for your Duramax coolant hoses! A leaking coolant hose can lead to serious engine damage if not quickly identified. Upgrade your cooling system with the Mishimoto 6.6L Duramax Silicone Coolant Hose Kit for the perfect...$380.95