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Brand: DmaxStore
Part Number: MAX-OCU-XXX
Max-Flow Duramax Oil Cooler Upgrade Kit
Fits 2001-2007 LB7 LLY LBZ 6.6L Duramax & 2011-2019 LML L5P 6.6L Duramax
The Max-Flow Duramax Oil Cooler Upgrade kit includes an oversized oil cooler that has improved fluid dynamics to take full advantage of the cooling plates within the o..
$565.00
Brand: Dorman Products
Part Number: 603-125
This 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 - this engine coolant reservoir matches th..
$78.73
Brand: Dorman Products
Part Number: 82597
Direct replacement coolant reservoir cap for 01-07 Duramax.
Part number: 82597..
$12.75
Brand: Pacific Performance Engineering
Part Number: 116454025
The PPE Coolant Overflow Tank will hold up to one gallon of coolant. Hand-cut tig welded 6061 aluminum material provides more efficient cooling properties. This tank utilizes the location of your second battery and plastic water overflow tank. Easy installation. Mounts to factory bolt locations. Use..
$269.99
Brand: Mahle
Part Number: GS33752
Ensure your water pump is sealed properly when you add the MAHLE GS33752 Water Pump Gasket Kit to your 2001-2010 GM 6.6L Duramax. Designed as an OEM replacement, the Water Pump Gasket Kit maintains a tight seal and meets factory specifications.
FEATURES:
OE Qua..
$20.89
Brand: CSF Radiators
Part Number: 10551
CSF A/C Condenser for 01-14 DuramaxFeatures & BenefitsDirect-Fit Replacement for easy installationManufactured in ISO/TSO certified factoriesPart number: 10551..
$95.29
Brand: Dorman Products
Part Number: 800-413CD
Direct fit replacement inlet hose tee connector for 01-14 GM 6.6L Duramax Silverado/ Sierra 3500 by Dorman.
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
Quality replacement -..
$23.70
Brand: Dorman Products
Part Number: 800-414CD
Direct fit replacement inlet hose tee connector for 01-14 GM 6.6L Duramax Silverado/ Sierra 3500 by Dorman.
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
Quality replacement -..
$23.11
Backordered
Brand: General Motors
Part Number: 12657629
Backordered until 4/4/25 (Updated 1/30/2025)
Fits: 2001-2016 GM 6.6L Duramax
Replaced your faulty element with the GM Block Heater Element. This heating element is a Genuine GM part that is a direct-fit replacement that will maintain EO fit and finish. The heating element is mounted on the pas..
$43.79
Brand: Dirty Hooker Diesel
Part Number: 030-5001
DHD 030-5001 Billet Rear Engine Cover Coolant Block Off Plate
DHD's Billet Coolant Passage Block Plate is used to stop the problematic Duramax coolant leak where the stock cast plate is installed on the rear engine cover. Use this to fix your current coolant leak or to prevent a possible future c..
$60.95
Brand: Dirty Hooker Diesel
Part Number: 500-325
A must have upgrade for your Duramax puller! This fixed fan hub will eliminate your OE viscous fan clutch and increase your intercooler efficiency. Early testing shows considerable decreases in intake air temps and coolant temps, both of which equate to more power. Testing, fitment trials and data c..
$349.00
Brand: Mishimoto
Part Number: MMTS-CHV-01DH
The Mishimoto Chevrolet Duramax high-temperature thermostats activate at a higher temperature than the OEM thermostats, making them the perfect solution for Duramax owners who live in colder climates or have trouble reaching operating temperatures. Activating at a higher temperature means the thermo..
$88.95
Brand: Pacific Performance Engineering
Part Number: 119020086
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 coolant drain. Once installed, you simply unscrew the NPT plug and your coolant runs out. Reinstall the plug..
$26.99
Brand: Fleece Performance
Part Number: FPE-DMAX-CBOP
Upgrade your rear engine cover and stop the coolant leaks for good!
Our blocking plate is thicker than the stock plate and has an integral square cut O-ring with no gasket required. OE covers are prone to leakage over time, our billet coolant block off plate with an integral O-ring is an upgrade ..
$55.00
Brand: Merchant Automotive
Part Number: 10089
On the rear of the Duramax Diesel trucks from 2001-2018, there is a coolant block off plate. The factory plate is made from cast aluminum and features a gasket for the mating surface. This plate is prone to coolant leakage due to warpage or gasket failure over the years. Merchant Automotive has reco..
$59.72
Brand: DmaxStore
Part Number: DMAX-CBOP-0118
DmaxStore Billet Coolant Block Off PlateFits 2001-2018 Silverado/Sierra 2500HD/3500HD 6.6L DuramaxPart#DMAX-CBOP-0118Replaces GM Part# 97941204The DmaxStore Billet Coolant Block Off Plate replaces the leak prone OEM coolant plate with a sturdy billet aluminum plate that has an integrated o-ring to e..
$45.95
Brand: AC Delco
Part Number: 97241129
OEM AC Delco 185 Degree Thermostat for 01-09 GM 6.6L Duramax.
Part number: 97241129..
$52.44
Brand: AC Delco
Part Number: 97241130
OEM AC Delco 180 Degree Thermostat for 01-21 GM 6.6L Duramax.
Part number: 97241130..
$45.83
New
Brand: SoCal Diesel
Part Number: SCWPB
SoCal Diesel is a company known for providing high-performance diesel parts and accessories, particularly for trucks and heavy-duty vehicles. They focus on aftermarket products that enhance the performance, reliability, and efficiency of diesel engines.
For years high performance Duramax diesel e..
$325.00
Brand: Dayco
Part Number: 87617
Direct fit replacement molded heater hose (left) for 04-07 GM 6.6L Duramax by Dayco.Product is reinforced with knitted polyester and made from durable EPDM rubber compound.Cross reference numbers: 14075S, 18700, 4462639, 4540021, C87617, 4L34-18K580-BB, 9L3Z-18472-B, 4375, 18700, 97333410,..
$10.24
Brand: Dirty Hooker Diesel
Part Number: 500-305
DHD's billet fitting thermostat housing to heater core line kit makes heater core plumbing a breeze. This kit includes their billet coolant supply fitting that replaces the OE steel EGR/heater core supply tube, a billet triple seal heater core quick connect fitting and all the hose and hardware requ..
$98.50
Brand: Dirty Hooker Diesel
Part Number: 500-304
DHD 500-304 Duramax Thermostat Housing to Heater Core Fitting 2004.5-07
DHD's Billet Coolant supply fitting replaces the OE steel EGR/heater core supply tube. This assembly is designed to fit into the front coolant bridge adjacent to the thermostat housing and is almost a must when doin..
$68.95
Brand: Dorman Products
Part Number: 902-2127
Fits: 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM
This 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.
Product Features..
$71.95
Brand: Dorman Products
Part Number: 621-106
Replace 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 replacement - this engine cooling fan bla..
$101.36
Brand: Dayco
Part Number: 72348
Fits: 2006-2010 GM 2500HD/3500HD 6.6L Duramax LBZ/LMMThis Dayco 72348 Radiator Coolant Hose replaces General Motors 15808727, Gates 23260, CARQUEST 23260, General Motors 25841843, ACDelco 26570X, NAPA 9991, Duralast E72348, OEM parts and is perfect for replacement or a performance upgrade.Dayco:7234..
$158.25
Brand: Dayco
Part Number: 72347
Fits: 2006-2010 GM 2500/3500HD 6.6L Duramax LBZ/LMMEXTEND SERVICE LIFE: The Radiator Coolant Hose is designed for durable, long-lasting OE-quality performance on cars, light trucks, and other applications. Engineered to resist electrochemical degradation, the leading cause of hose failure, it is des..
$17.50
Brand: DmaxStore
Part Number: MAX-RAD-0610
Max-Flow Arctic Radiator
Fits 2006-2010 Chevy/GMC 2500/3500 HD LBZ / LMM
Part# MAX-RAD-0610
***** Trucks Equipped with Allison 1000 Transmissions only *****
These premium quality Arctic High Flow units are simply the best choice when its time to replace your factory or aft..
$435.00
Brand: AFE
Part Number: 46-52041
Fits: 2006-2010 GM 6.6L Duramax LBZ/LMMBuilt from aircraft grade aluminum for superior strength, this Street Series' larger tube and fin core maintains cooler temperatures over a longer range of time.2-3/4" Thick, 4-Row Core is 25% Larger Than the Factory Radiator100% Aircraft-Grade Welded 1/8" Alum..
$865.00
Brand: Wehrli Custom Fabrication
Part Number: WCF100622
Fits: 2006-2010 GM 6.6L Duramax LBZ/LMM
When replacing the upper coolant hose in your vehicle, consider replacing it with the Wehrli Custom Fab Upper Coolant Pipe. The WCFab coolant pipes are built with durable aluminum and beaded-rolled ends. Simiar to many other WCFab parts, t..
$24.25
Brand: AC Delco
Part Number: 25841843
Direct fit replacement genuine OEM lower radiator hose by AC Delco for 06-10 GM 6.6L Duramax.
Part number: 25841843..
$339.84
Brand: Pacific Performance Engineering
Part Number: 11902x200
Factory 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 stock or highly modified Duramax 6.6L diesel..
$269.99
Brand: Bostech
Part Number: WP01101
Direct fit replacement water pump for 06-10 GM LBZ/ LMM 6.6L Duramax by Bostech. Water PumpBrand: BostechCondition: NewLimited 13 month / unlimited mileage warrantyEngine Fitment:GM Duramax LLY / LBZ / LMM / LGH / LMLTechnical Information:Water Pump without Back HousingHousing Material: Ca..
$119.95
Brand: Alliant Power
Part Number: AP63563
Direct fit replacement water pump for 06-14 GM 6.6L Duramax by Alliant. Pump is constructed from durable materials, gaskets are included. Part number: AP63563..
$212.67
Brand: DmaxStore
Part Number: DMAXWATERKIT-0616
Backordered until end of April (Updated 3/12/2025)
DmaxStore Complete Water Pump Replacement Kit
Fits 2006-2016 Chevy / GMC 2500HD / 3500HD
Part# DMAXWATERKIT-0616
This package deal gives you the absolute highest quality parts on the market today. Dmaxstore has assembled this kit ex..
$329.00
Brand: Diamond Advantage By Navistar
Part Number: DA2251296
Features & Benefits:Diamond Advantage™ Water Pumps are designed and tested for optimal durability. • Quality built with new housing and 100% ALL-NEW components • Unitized seal prevents coolant leakage, leading to longer product life • OE-designed bearings are capable of withstanding high rotatio..
$162.40
Brand: XDP Mfg
Part Number: XD670
In need of a new water pump for your Duramax? If so XDP has you covered. They offer many high quality replacement parts at a great value. We have utilized many of their products on customer vehicles that have come through the shop and all have been very high quality parts.
The XDP X-TRA Cool Water ..
$95.95
Brand: XDP Mfg
Part Number: XD671
In need of a new water pump for your Duramax? If so XDP has you covered. They offer many high quality replacement parts at a great value. We have utilized many of their products on customer vehicles that have come through the shop and all have been very high quality parts.
The XDP X-TRA Cool Water ..
$184.95
Brand: Diamond Advantage By Navistar
Part Number: DA2251174
Features & Benefits:Diamond Advantage™ Water Pumps are designed and tested for optimal durability. • Quality built with new housing and 100% ALL-NEW components • Unitized seal prevents coolant leakage, leading to longer product life • OE-designed bearings are capable of withstanding high rotatio..
$105.87
Brand: Wehrli Custom Fabrication
Part Number: WCF100155
The factory plastic GM Coolant Heater Core Firewall Fitting is a common failure point on Duramax trucks and other GM vehicles. Our made in the USA, billet aluminum direct-fit replacement is more resistant to heat and vibration. Prevent leaks with this easy to install upgrade.Replaces GM/AC Delco Par..
$39.77
Brand: Dayco
Part Number: 86121
Direct fit replacement molded heater hose by Dayco for the below applications. Applications:01-05 GM 2500HD 6.6L Duramax04-05 GM 3500HD 6.6L Duramax07.5-13 Dodge Ram 2500 6.7L Cummins07.5-12 Dodge Ram 3500 6.7L Cummins08-12 Dodge Ram 4500/5500 6.7L CumminsPart number: 86121..
$14.68
Brand: DieselSite
Part Number: CFIKDM
For use in all model years of the Chevy/GM Duramax application **will not work on dual alternator equipped trucks**
Coolant filters are not a new idea to the diesel engine world. They come in most OEM applications for medium duty and OTR tractor trailer rigs. The idea was somehow tossed aside for..
$170.00
Brand: Merchant Automotive
Part Number: 10543
Includes flywheel lock, all gaskets, and o-rings for installation. The seal between housing and gasket is installed. Bolts are torqued. Some existing hardware will be re-used.
Fitment:
Chevrolet 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016GMC 2500HD 3500Chevy 06 07 08 09 10 11 12 13 14 ..
$241.19
Brand: Merchant Automotive
Part Number: 10428
Have a truck that does not seem to heat up? A lot of times this problem is caused by worn out thermostats.Kit Includes:
Thermostat - Rear 180 Degrees
Thermostat- Front 185 Degrees
Upper Radiator Pipe Seal
Oil Fill Tube Seal
Merchant Automotive part number: 10428..
$130.88
Brand: Mishimoto
Part Number: MMRAD-DMAX-06
Mishimoto has released a direct-fit performance aluminum radiator for the 2006-2010 Chevrolet/GMC 6.6L Duramax. Mishimoto performance radiators are manufactured from high-quality aircraft-grade aluminum with a 100% brazed aluminum core and polished end tanks. The Mishimoto 6.6L Duramax performance r..
$905.95
Brand: Fleetrite
Part Number: FLTAC3732383
Part Description ACCUM CHEV SILVERADO GMC SIERRA 2500-3500 04-07
Diameter Drier/Accum 3.5in
Length 10.0in
Fitting In PAD
Fitting Out PAD
OEM 89018601
Aftermarket Num 15-10567, 15-10711
Vehicle Make GM
Vehicle Model SILVERADO
BUS CHART Y
View(13) Year Make Model Applicat..
$95.16
Brand: Fleetrite
Part Number: FLTAC2021130
Compressor Type DENSO Part Description COMP 10S17F PV6 4.31in 03-07 GM PICK-UP 4.3/6.6L Compressor Model 10S17F Compressor Class NEW Gauge Line 36mm Clutch Diameter 110mm Oil Type PAG 46 Oil Capacity Oz 8 Omega Oil No 41-50102 Grooves 6 Voltage 12 Compressor Mount EAR Compressor Fitting ..
$855.87
Brand: Mishimoto
Part Number: MMTS-CHV-01DL
The Mishimoto Chevrolet Duramax low temperature thermostats activate at a lower temperature than the OEM thermostats, making them the perfect solution for Duramax owners who live in warmer climates, or use their trucks under heavy load or strenuous driving conditions. Activating at a lower temperatu..
$87.95
Brand: Mishimoto
Part Number: MMHOSE-CHV-06Dxx
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 combination of performance and durability. Mishimoto coolant hoses are manufactured with high-grade silicone and f..
$380.95