ENGINE PARTS / ACCESSORIES
Upgrade and maintain your engine with our wide selection of engine parts and accessories. Whether you need a new cylinder head gasket set, piston kit, valve cover gasket set, or a billet oil cap, we have everything you need to keep your engine running smoothly.
Our collection includes top-quality products from trusted brands like MAHLE and FLEECE, designed specifically for GM 6.6L Duramax engines. From resonator delete plates to high-flow intake horns, we have the parts you need to enhance the performance of your vehicle.
If you're looking to replace or upgrade your cylinder heads, we offer both remanufactured and freedom series cylinder heads for various models of the Duramax engine. Rest assured that you are getting a high-quality product that will meet your engine needs.
We also provide piston kits in different sizes to accommodate your engine's requirements. Whether you need a standard size or an overbore option, we have the right piston kit for your vehicle.
Shop our selection of engine parts and accessories to find everything you need to keep your engine in peak condition. With our durable and reliable products, you can trust that your engine will continue to perform at its best for years to come.
- CAMSHAFTS
- CONNECTING RODS
- CRATE ENGINES
- CYLINDER HEADS
- EXHAUST MANIFOLDS
- EXTERNAL ENGINE COMPONENTS
- GASKETS & SEALS
- GIRDLE
- GLOW PLUGS
- HARMONIC DAMPER
- MAIN BEARINGS
- OIL PUMP
- PISTONS / RINGS
- PUSHRODS
- REBUILD KITS
- ROCKER ARMS
- ROD BEARINGS
- STUDS / BOLTS
- VALVE SPRINGS / RETAINERS
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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MAHLE F31903 Exhaust Manifold To Up-Pipe Gasket 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
MAHLE
$7.13Item Grade OEM Standard Package Quantity 2 Exhaust Gasket Material Beaded Steel Additional Package Contents None The MAHLE F31903 Exhaust Manifold to Up-Pipe Gasket is expertly designed to meet the rigorous standards of the GM 6.6L...$7.13 -
MAHLE C31900 Coolant Thermostat Housing Gasket 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
MAHLE
$6.47Item 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...$6.47 -
CPP XD331 CRANKSHAFT DOWEL PIN KIT FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
CPP DIESEL
$159.95CPP specifically designed this crank shaft pin kit to fix the all too common shearing of factory dowel pins, resulting in broken crank shafts. This kit can be used on stock or heavily modified vehicles. It has a very simple procedure that can be done by...$159.95 -
Bostech BTS010004 Exhaust Gas Temperature (EGT) Sensor 2011-2016 GM 6.6L Duramax LML (Crew Cab) (DPF)
BOSTECH FUEL
$64.95Exhaust Gas Temperature - EGT Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: GM Duramax 6.6L Technical Information: Position: Middle of Particulate Filter Location: Position 3 or...$64.95 -
Bostech BTS010029 Exhaust Gas Temperature (EGT) Sensor 2011-2016 GM 6.6L Duramax LML (DPF)
BOSTECH FUEL
$64.95Exhaust Gas Temperature - EGT Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: GM Duramax 6.6L LML Experience unparalleled performance and reliability with the Bostech BTS010029 Exhaust Gas...$64.95 -
Bostech EGK01037 EGR Cooler Gasket Kit 2010-2016 GM 6.6L DURAMAX LGH
BOSTECH FUEL
$14.95EGR Cooler Gasket Set Brand: BT-Power Condition: Remanufactured Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LGH - Express & Savana Vans Associated Products: Bostech EGR Cooler: EGR01036 The Bostech...$14.95 -
Bostech GK10558 Valve Cover Gasket Set 2001-2004 GM 6.6L Duramax LB7
BOSTECH FUEL
$59.95Valve Cover Gasket Brand: BT-Power Made in the USA 24-Month unlimited mileage warranty Engine Fitment: GM Duramax LB7 Technical Information: 1- valve cover gasket with Grommets 2 needed per vehicle The Bostech GK10558 Valve Cover...$59.95 -
Bostech TBC0166125 Turbo Oil Return Line 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM
BOSTECH FUEL
$79.95Turbocharger Oil Return Line Brand: Bostech Condition: New 24 Month unlimited mileage warranty Engine Fitment: Duramax LLY, LBZ, LMM Specifications: Gasket Included: Yes Material: Steel Includes: 1 Tube, 2 Gaskets, 2 Bolts, 2 Nuts, 2...$79.95 -
Bostech EGK01352 EGR Cooler Gasket Kit 2007.5-2010 GM 6.6L Duramax LMM
BOSTECH FUEL
$39.95EGR Cooler Gasket Set Brand: BT-Power Condition: Remanufactured Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LMM Associated Products: Bostech EGR Cooler: EGR351 EGR354 EGR441 EGR507 The Bostech...$39.95 -
Bostech BTS010002 Exhaust Gas Temperature (EGT) Sensor 2011-2016 GM 6.6L Duramax LML (In Turbo Downpipe)
BOSTECH FUEL
$84.95Exhaust Gas Temperature - EGT Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: GM Duramax 6.6L Technical Information: Position: Middle of Particulate Filter or End of Particulate Filter...$84.95 -
Bostech EGK01655 EGR Cooler Gasket Kit 2004-2005 GM 6.6L DURAMAX LLY
BOSTECH FUEL
$24.95EGR Cooler Gasket Set Brand: BT-Power Condition: Remanufactured Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LLY Associated Products: Bostech EGR Cooler: EGR654 The Bostech EGK01655 EGR Cooler Gasket Kit is...$24.95 -
BOSTECH BTS011259 MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR 2011-2016 GM 6.6L DURAMAX LML
BOSTECH FUEL
$29.95Manifold Absolute Pressure Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: GM Duramax 6.6L LML The BOSTECH BTS011259 Manifold Absolute Pressure (MAP) Sensor is expertly designed for optimal...$29.95 -
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 ISK118 INJECTOR SEAL KIT 2001-2004 GM 6.6L DURAMAX LB7
BOSTECH FUEL
$6.95Injector Seal Kit Brand: BT-Power Condition: New Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LB7 Technical Information: Contains: 1- Injector Seal Kit / 8- kits needed per vehicle The BOSTECH ISK118...$6.95 -
BOSTECH DEC011638 VALVE COVER BOLT INSULATOR 2004-2016 GM 6.6L DURAMAX LLY/LBZLLMM/LML
BOSTECH FUEL
$2.95Valve Cover Bolt Insulator Brand: BT-Power Condition: New Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LLY / LBZ / LMM Technical Information: 14 Insulators per side 28 Insulators total per vehicle Included...$2.95 -
BOSTECH ISK123 INJECTOR SEAL KIT 2006-2007 GM 6.6L DURAMAX LBZ
BOSTECH FUEL
$6.59Injector Seal Kit Brand: BT-Power Condition: New Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LBZ Technical Information: Contains: 1- Injector Seal Kit / 8- kits needed per vehicle The BOSTECH ISK123...$6.59 -
BOSTECH DE669 SILVER SERIES REMAN FUEL INJECTOR 2007-2010 GM 6.6L DURAMAX LMM
BOSTECH FUEL
$239.95Bostech Silver Series Fuel Injector are fully re-manufactured and tested to the OE specifications. Injectors are disassembled with each component being cleaned, inspected and tested. Once each component has been certified the injectors are assembled in a...$239.95 -
BOSTECH ISK124 INJECTOR SEAL KIT 2007-2010 GM 6.6L DURAMAZ LMM
BOSTECH FUEL
$6.95Injector Seal Kit Brand: BT-Power Condition: New Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LMM Technical Information: Contains: 1- Injector Seal Kit / 8- kits needed per vehicle The BOSTECH ISK124...$6.95 -
BOSTECH GK10729 VALVE COVER GASKET KIT 2004-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
BOSTECH FUEL
$119.95Valve Cover Gasket Brand: BT-Power Made in the USA 24-month unlimited mileage warranty Engine Fitment: GM Duramax LLY / LBZ / LMM Technical Information: Contains: 2 Valve Cover Gasket with grommets The BOSTECH GK10729 Valve Cover...$119.95 -
BOSTECH EGK01705 EGR COOLER GASKET KIT 2011-2016 GM 6.6L DURAMAX LML
BOSTECH FUEL
$14.95EGR Cooler Gasket Set Brand: BT-Power Condition: Remanufactured Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LML Associated Products: Bostech EGR Cooler: EGR01704 The BOSTECH EGK01705 EGR Cooler Gasket Kit is...$14.95 -
BOSTECH EGK01708 EGR COOLER GASKET KIT 2011-2016 GM 6.6L DURAMAX LML
BOSTECH FUEL
$14.95EGR Cooler Gasket Set Brand: BT-Power Condition: Remanufactured Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LGH - Express & Savana Vans Associated Products: Bostech EGR Cooler: EGR01707 The BOSTECH...$14.95 -
BOSTECH TBC0166162 TURBOCHARGER INSTALLATION KIT 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
BOSTECH FUEL
$84.95Turbocharger Installation Kit Brand: Bostech Engine Fitment: GM Duramax LB7 / LLY / LBZ / LMM Elevate your engine's performance with the BOSTECH TBC0166162 Turbocharger Installation Kit, designed specifically for GM Duramax engines from 2001 to...$84.95 -
BOSTECH BTS011003 OIL PRESSURE SENSOR 2011-2016 GM 6.6L DURAMAX LML/LGH
BOSTECH FUEL
$54.95Engine Oil Pressure Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: Various General Motors engines The BOSTECH BTS011003 Oil Pressure Sensor is a crucial component specifically designed to...$54.95 -
BOSTECH BTS011210 CAMSHAFT POSITION (CMP) SENSOR 2006-2016 GM 6.6L DURAMAX LBZ/LMM/LML
BOSTECH FUEL
$34.95Engine Camshaft Position Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: GM Duramax 6.6L LLY, LBZ, LMM, LML The BOSTECH BTS011210 Camshaft Position (CMP) Sensor is an essential component...$34.95 -
BOSTECH BTS011576 CAMSHAFT POSITION (CMP) SENSOR 2001-2004 GM 6.6L DURAMAX LB7
BOSTECH FUEL
$144.95Engine Camshaft Position Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: GM Duramax 6.6L LB7 The BOSTECH BTS011576 Camshaft Position (CMP) Sensor is a key component designed to enhance the...$144.95 -
BOSTECH SK01021 FUEL PRIMER SEAL KIT 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
BOSTECH FUEL
$19.95Fuel Primer Seal Kit Brand: BT-Power Condition: New Engine Fitment: GM Duramax LB7 / LLY / LBZ / LMM The BOSTECH SK01021 Fuel Primer Seal Kit is an essential component for maintaining and enhancing the performance of your GM Duramax engine...$19.95 -
BOSTECH BTS011562 CRANKSHAFT POSITION (CKP) SENSOR 2001-2004 GM 6.6L DURAMAX LB7
BOSTECH FUEL
$64.95Engine Crankshaft Position Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: GM Duramax 6.6L LB7 The BOSTECH BTS011562 Crankshaft Position (CKP) Sensor is expertly engineered for GM Duramax 6.6L...$64.95 -
BOSTECH BTS011209 CRANKSHAFT POSITION (CKP) SENSOR 2006-2016 GM 6.6L DURAMAX LBZ/LMM/LML
BOSTECH FUEL
$34.95Engine Crankshaft Position Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: GM Duramax 6.6L LLY, LBZ, LMM, LML The BOSTECH BTS011209 Crankshaft Position (CKP) Sensor is a crucial component for...$34.95 -
BOSTECH BTS011250 MASS AIR FLOW (MAF) SENSOR 2011-2016 GM 6.6L DURAMAX LML
BOSTECH FUEL
$69.95Mass Air Flow Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: GM Duramax 6.6L LML Experience exceptional performance and precision with the BOSTECH BTS011250 Mass Air Flow (MAF) Sensor,...$69.95 -
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 BTS011219 BAROMETRIC PRESSURE SENSOR 2001-2003 GM 6.6L DURAMAX LB7
BOSTECH FUEL
$44.95Barometric Pressure Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: GM Duramax 6.6L LB7 The BOSTECH BTS011219 Barometric Pressure Sensor is specifically designed for 2001-2003 GM Duramax 6.6L...$44.95 -
BOSTECH WH01855 FUEL INJECTOR PIGTAIL CONNECTOR 2006-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
BOSTECH FUEL
$24.95Fuel Injector Pigtail Kit Brand: BT-Power Condition: New Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LLY / LBZ / LMM Technical Info: 2- Pigtails per pack 14 gauge wire 8 inch connector wire Rubber...$24.95 -
BOSTECH BTS012151 MASS AIR FLOW (MAF) SENSOR 2007-2010 GM 6.6L DURAMAX LMM
BOSTECH FUEL
$94.95Mass Air Flow Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited miliage parts replacement warranty Engine Fitment: GM Duramax LMM The BOSTECH BTS012151 Mass Air Flow (MAF) Sensor is a top-tier replacement component designed...$94.95 -
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 -
BOSTECH TBC0166710 VARIABLE VANE POSITION SENSOR 2004-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
BOSTECH FUEL
$189.95Bostech Turbocharger Vane Position Solenoid is manufactured to OE specifications for both fit and function. Our Turbo Vane Sensor is a cost effective solution to the dealer cost and is a direct replacement. Made of high-quality material and multi-point...$189.95 -
BOSTECH BTS012148 MASS AIR FLOW (MAF) SENSOR 2001-2007 GM 6.6L DURAMAX LB7/LLY/LBZ
BOSTECH FUEL
$98.95Mass Air Flow Sensor Brand: BT Power Condition: New Limited 24-Month Unlimited mileage warranty Engine Fitment: GM Duramax LB7 / LLY / LBZ The BOSTECH BTS012148 Mass Air Flow (MAF) Sensor is a top-tier component engineered specifically for...$98.95 -
BOSTECH ISK119 INJECTOR SEAL KIT 2004-2005 GM 6.6L DURAMAX LLY
BOSTECH FUEL
$6.59Injector Seal Kit Brand: BT-Power Condition: New Limited 13 month / unlimited mileage warranty Engine Fitment: GM Duramax LLY Technical Information: Contains: 1- Injector Seal Kit / 8- kits needed per vehicle The BOSTECH ISK119...$6.59 -
Dorman 419-628 Idler Pulley (Pulley Only) 2014-2019 GM 2500HD/3500HD 6.6L Duramax LML/L5P | 2014-2016 GM Express/Savana 2500/3500 6.6L Duramax LGH | 2013 GM Express/Savana 4500 6.6L Duramax LGH
DORMAN
$18.74This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations. Direct replacement - this...$18.74 -
DORMAN 904-937 EXHAUST GAS RECIRCULATION (EGR) COOLER (TO EGR BYPASS VALVE AT REAR) 2013-2016 GM 6.6L DURAMAX LML
DORMAN
$397.28This EGR cooler has been engineered to match the fit and function of the original EGR cooler on specific vehicle years, makes and models. It has undergone rigorous testing and OEM benchmarking to ensure reliability. Direct replacement - this EGR...$397.28 -
DORMAN 620-619 CLUTCH FAN BLADE 2003-2007 GM C4500/5500 KODIAK/TOPKICK 6.6L DURAMAX LB7/LLY/LBZ
DORMAN
$111.95Replace 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...$111.95 -
DORMAN 625-148 ENGINE OIL COOLER LINE (OUTLET, PASS. SIDE) 1997-2000 GM 6.5L DIESEL
DORMAN
$130.95This engine oil cooler hose assembly matches the fit and function of the original equipment components for reliable repair and restoration of proper oil circulation between the oil cooler and engine. Ideal replacement - this engine oil cooler hose...$130.95 -
DORMAN 092-018 TWIST STYLE OIL DRAIN PLUG 2001-2019 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P
DORMAN
$12.70Ditch the wrenches and rags and get this Dorman Twist Drain oil drain plug. It's specially designed to simplify changing your oil by replacing your factory plug with a tool-free, clean and easy solution. Just push, twist and drain. It also features a...$12.70 -
DORMAN 904-935 EXHAUST GAS RECIRCULATION (EGR) COOLER (TO EGR VALVE AT FRONT) 2011-2016 GM 6.6L DURAMAX LML
DORMAN
$506.95This EGR cooler has been engineered to match the fit and function of the original EGR cooler on specific vehicle years, makes and models. It has undergone rigorous testing and OEM benchmarking to ensure reliability. Direct replacement - this EGR...$506.95 -
DORMAN 907-815 CAMSHAFT POSITION (CMP) SENSOR (USE WITH HARNESS 13576413) 2006-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
DORMAN
$21.41This engine camshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage. Direct...$21.41 -
DORMAN 625-147 ENGINE OIL COOLER LINE (INLET, DRIVER SIDE) 1997-2000 GM 6.5L DIESEL
DORMAN
$137.95This engine oil cooler hose assembly matches the fit and function of the original equipment components for reliable repair and restoration of proper oil circulation between the oil cooler and engine. Ideal replacement - this engine oil cooler hose...$137.95 -
DORMAN 907-816 CAMSHAFT POSITION (CMP) SENSOR 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$62.85This engine camshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage. Direct...$62.85 -
DORMAN 917-764 CRANKSHAFT POSITION (CKP) SENSOR 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$61.72This engine crankshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage. Direct...$61.72 -
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 674-736HS EXHAUST MANIFOLD HEAT SHIELD (RIGHT) 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
DORMAN
$67.44Replace a loose or missing exhaust manifold heat shield without replacing the manifold itself. This direct replacement heat shield has been dimensionally verified to match the original and undergone material testing to ensure a reliable service life...$67.44 -
DORMAN 699-102 ACCELERATOR PEDAL POSITION SENSOR (APPS) (WITHOUT ADJUSTABLE PEDALS) 2004.5-2005 GM 2500HD/3500HD 6.6L DURAMAX LLY
DORMAN
$42.95This direct replacement accelerator pedal position sensor matches the fit and performance of a failed original equipment sensor to restore proper vehicle operation. Made of quality materials for a reliable service life. Ideal replacement - this...$42.95 -
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 904-171 VALVE COVER AND ROCKER BOX GASKET KIT 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
DORMAN
$90.61This valve cover gasket is designed to match the fit, function and performance of an original equipment gasket on specified vehicles. Made of durable materials, it is engineered to help ensure a long-lasting seal under extreme underhood conditions...$90.61 -
DORMAN 917-791 CRANKSHAFT POSITION (CKP) SENSOR 2004.5-2005 GM 6.6L DURAMAX LLY
DORMAN
$45.62This engine crankshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage. Direct...$45.62 -
DORMAN 300-702 VACUUM PUMP PULLEY 1988-2000 GM 6.2L/6.5L DIESEL
DORMAN
$94.95This vacuum pump pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability. Direct replacement - this vacuum pump pulley is...$94.95 -
DORMAN 904-413 GLOW PLUG CONTROLLER 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$123.40A properly functioning glow plug is essential to cold-weather starts. This direct replacement for the original part restores proper glow plug function and has been validated for specific vehicle years, make and models. Ideal solution - this diesel...$123.40 -
DORMAN 095-019 COPPER OIL DRAIN PLUG GASKET (25-PACK) 1994-2003 FORD 7.3L POWERSTROKE | 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
DORMAN
$17.97These oil drain plug gaskets are designed to specific sizes and standards for reliable replacement at every oil change. Direct replacement - these engine oil drain plug gaskets are made to match the fit and performance of the original equipment...$17.97 -
DORMAN 645-519 GLOW PLUG JUMPER WIRE PIGTAIL 1992-1999 GM 6.2L/6.5L DIESEL
DORMAN
$48.54Diesel engine having cold start issues or a check engine light? This replacement glow plug wiring harness matches the fit and function of the original equipment harness and is made of quality materials for durability and reliable performance. Ideal...$48.54 -
DORMAN 904-380 ROCKER BOX AND VALVE COVER GASKET KIT 2011-2017 GM 6.6L DURAMAX LML/L5P
DORMAN
$88.52This valve cover gasket is designed to match the fit, function and performance of an original equipment gasket on specified vehicles. Made of durable materials, it is engineered to help ensure a long-lasting seal under extreme underhood conditions...$88.52 -
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 32114 EXHAUST MANIFOLD HARDWARE KIT 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
DORMAN
$50.07This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance. Direct replacement - this exhaust manifold...$50.07 -
DORMAN 594-037 HARMONIC BALANCER 1988-2002 GM 6.2L/6.5L DIESEL
DORMAN
$150.95This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability. Ideal replacement - this harmonic...$150.95 -
DORMAN 921-046 ENGINE OIL DIPSTICK 2001-2007 GM SILVERADO/SIERRA 2500HD/3500HD 6.6L DURAMAX LB7/LLY/LBZ
DORMAN
$71.21This engine oil dipstick is designed to match the fit and function of an original equipment dipstick in specified applications. Level marks are clearly distinguished and properly gauged for accuracy. Ideal replacement - this engine oil dipstick is...$71.21 -
DORMAN 674-731 LEFT SIDE EXHAUST MANIFOLD 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
DORMAN
$79.95This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair. Ideal replacement -...$79.95 -
DORMAN 918-478 POWER STEERING FLUID COOLER 2020-2023 GM SILVERADO/SIERRA 2500/3500 6.6L DURAMAX L5P
DORMAN
$82.17The original power steering cooler on certain vehicles fails when the wire-style fins corrode, bend and break. This Dorman OE FIX cooler features a more robust stacked-fin design for greater durability and longer service life. Improved design -...$82.17 -
DORMAN 904-936 EXHAUST GAS RECIRCULATION (EGR) COOLER (TO EGR BYPASS VALVE AT REAR, CURVED OUTLET FITTING) 2011-2014 GM 6.6L DURAMAX LML
DORMAN
$441.11This EGR cooler has been engineered to match the fit and function of the original EGR cooler on specific vehicle years, makes and models. It has undergone rigorous testing and OEM benchmarking to ensure reliability. Direct replacement - this EGR...$441.11 -
DORMAN 65430 M12-1.75 OIL DRAIN PLUG PILOT POINT 2020-2023 FORD 6.7L POWERSTROKE | 2011-2023 FORD F-150 | 2008-2019 GM SILVERADO/SIERRA 2500HD/3500HD
DORMAN
$3.01This engine oil drain plug is designed to match the fit and function of an original equipment plug on specified vehicles. It is engineered to replace a missing or damaged plug and help ensure a secure seal. Direct replacement - this engine oil drain...$3.01 -
GARRETT TURBO VANE POSITION SENSOR 04.5-16 DURAMAX - 763527-0712
GARRETT
$321.09The GARRETT 763527-0712 Turbo Vane Position Sensor is a top-of-the-line component designed specifically for 2004.5-2016 GM 6.6L Duramax engines, including the LLY, LBZ, LMM, and LML models. This specialized sensor is engineered to provide precise and...$321.09 -
DORMAN 904-100 GLOW PLUG HARNESS RELAY 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$45.97This diesel glow plug relay is designed to match the fit and function of the original relay on specified vehicles, and is engineered for durability and reliable performance. Direct replacement - this diesel glow plug relay is designed to match the...$45.97 -
DORMAN 904-422 NITROGEN OXIDE (NOX) SENSOR (UPSTREAM) 2011-2014 GM 6.6L DURAMAX LML | 2010-2014 GM 6.6L DURAMAX LGH
DORMAN
$258.40The DORMAN 904-422 Nitrogen Oxide (NOx) Sensor is the perfect solution for maintaining compliance with emissions regulations on select vehicles from 2011 to 2014 equipped with the GM 6.6L Duramax LML engine or the 2010-2014 GM 6.6L Duramax LGH motor...$258.40 -
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 904-394 DIESEL EXHAUST FLUID (DEF) HEATER 2012-2016 GM 6.6L DURAMAX LML
DORMAN
$180.35The Dorman 904-394 Diesel Exhaust Fluid (DEF) Heater is the reliable solution to a common issue faced by certain vehicles with failing factory DEF heaters due to fluid intrusion. This OE FIX product from Dorman addresses this problem with an upgraded...$180.35 -
DORMAN 904-135 FUEL INJECTOR O-RING KIT 2011-2016 GM 6.6L DURAMAX LML/LGH
DORMAN
$20.29Fuel your vehicle with confidence using the DORMAN 904-135 Fuel Injector O-Ring Kit designed for 2011-2016 GM 6.6L Duramax LML/LGH engines. This top-quality kit offers direct replacements for the original O-rings on specified vehicles, ensuring a precise...$20.29 -
DORMAN 300-229 POWER STEERING PUMP PULLEY 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
DORMAN
$90.95The DORMAN 300-229 Power Steering Pump Pulley is a reliable and durable replacement part designed for 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM applications. Crafted with quality materials and precise engineering, this power steering pump pulley offers a...$90.95 -
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 264-473 ENGINE OIL PAN 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
DORMAN
$83.64The DORMAN 264-473 Engine Oil Pan is the reliable solution to address oil leaks in your vehicle. Specifically designed to fit 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM models, this oil pan is a direct replacement for the original equipment pan, ensuring...$83.64 -
DORMAN 918-400 Diesel Engine Oil Cooler 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
DORMAN
$276.95Enhance the performance and longevity of your 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML diesel engine with the DORMAN 918-400 Diesel Engine Oil Cooler. This premium-quality engine oil cooler serves as a reliable and direct replacement for the...$276.95 -
DORMAN 904-134 Fuel Injector O-Ring Kit 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
DORMAN
$43.96The DORMAN 904-134 Fuel Injector O-Ring Kit for 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM engines is a reliable solution for maintaining your vehicle's fuel system integrity. Designed as direct replacements for the original O-rings, this kit ensures a...$43.96 -
DORMAN 904-124 Fuel Primer Seal Kit 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
DORMAN
$25.97The DORMAN 904-124 Fuel Primer Seal Kit is the perfect solution for repairing the fuel filter primer housing on 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM vehicles with precision and ease. This direct replacement kit is expertly designed to match the...$25.97 -
DORMAN 904-109 Diesel Glow Plug Power Distribution Strap 2001-2004 GM 6.6L DURAMAX LB7
DORMAN
$26.06The DORMAN 904-109 Diesel Glow Plug Power Distribution Strap for 2001-2004 GM 6.6L DURAMAX LB7 engines is a reliable and durable replacement part engineered to restore functionality to your vehicle. This power distribution strap is a direct replacement,...$26.06 -
DORMAN 674-736 Exhaust Manifold Kit - Includes Required Gaskets And Hardware 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
DORMAN
$229.95The DORMAN 674-736 Exhaust Manifold Kit is the perfect solution for those in need of a reliable and high-quality replacement for their 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML vehicles. This precision-engineered manifold is crafted to seamlessly...$229.95 -
XDP XD624 ENGINE OIL PAN BOLT KIT (BLACK-PHOSPHATE) 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
XTREME DIESEL PERFORMANCE
$19.95Experience enhanced durability and reliability with the XDP Engine Oil Pan Bolt Kit (Black-Phosphate) XD624 designed specifically for 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML engines. This comprehensive kit includes (18) Class 10.9 bolts engineered...$19.95 -
XDP XD3017HS X220 SERIES HEAD STUD KIT 2017-2023 GM DURAMAX 6.6L L5P
XTREME DIESEL PERFORMANCE
$574.95The XDP XD3017HS X220 Series Head Stud Kit is the ultimate solution for upgrading the OEM head bolts on your 2017-2023 GM 6.6L Duramax L5P engine. As you start adding more horsepower and torque to your Silverado/Sierra, ensuring that your cylinder heads...$574.95 -
XDP XD3019RB CONNECTING ROD BOLT KIT 2001-2010 GM DURAMAX 6.6L
XTREME DIESEL PERFORMANCE
$209.95Enhance the performance and durability of your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM engine with the XDP Connecting Rod Bolt Kit XD3019RB. Designed to surpass factory standards, these connecting rod bolts are your key to unlocking increased power and...$209.95 -
XDP XD3008MS MAIN STUD KIT 2006-2010 GM DURAMAX 6.6L LBZ LBZ/LMM
XTREME DIESEL PERFORMANCE
$234.95Enhance the performance and reliability of your 2006-2010 GM Duramax 6.6L LBZ/LMM engine with the XDP Main Stud Kit XD3008MS. Designed to replace the factory main bolts, this kit is a crucial upgrade for those seeking to maximize the potential of their...$234.95 -
XDP XD3007MS MAIN STUD KIT 2001-2005 GM DURAMAX 6.6L LB7/LLY
XTREME DIESEL PERFORMANCE
$234.95The XDP Main Stud Kit XD3007MS is a high-performance essential designed to enhance your 2001-2005 GM 6.6L Duramax LB7/LLY engine for competitive or street use. Engineered to address the limitations of OEM main bolts in handling high-pressure...$234.95 -
XDP XD533 BLACK-PHOSPHATE STARTER BOLT KIT 2001-2022 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML/L5P
XTREME DIESEL PERFORMANCE
$9.95The XDP XD533 Black-Phosphate Starter Bolt Kit is the ultimate solution to address the wear and tear experienced by the starter bolts in your 2001-2022 GM 6.6L Duramax engine. These critical components are consistently exposed to the harshest elements...$9.95 -
XDP XD3006HS X220 SERIES HEAD STUD KIT 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
XTREME DIESEL PERFORMANCE
$524.95The XDP X220 Series Head Stud Kit XD3006HS sets a new standard for durability and performance in high-horsepower 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML engines. Designed to withstand the intense pressure of high-performance applications, these...$524.95 -
PPE 115051500 L/R BANK MANIFOLDS RAW SILVER FOR 06-10 GM DURAMAX 6.6L LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$359.99Sometimes you just have to look good, and your engine is no different. With these PPE Left and Right Side Cylinder Head Bank Manifolds, your diesel will look, and per FORm amazing. Great FOR marine or hot rod racing applications where looks count, these...$359.99 -
PPE 114025000 CRANKCASE BREATHER FILTER KIT FOR 04.5-07GM DURAMAX 6.6L LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$359.99Engine runaway can be caused by oil vapor that travels through the crankcase breathers and into the intake system. Uncontrolled fueling of the engine is extremely dangerous. Upgrading the crankcase breathers and adding a PPE Filter Kit helps solve this...$359.99Qty in Cart: 0Quantity:Price:$359.99Subtotal: -
PPE 114027500 CRANKCASE BREATHER FILTER KIT FOR 07.5-10 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$359.99Engine runaway can be caused by oil vapor that travels through the crankcase breathers and into the intake system. Uncontrolled fueling of the engine is extremely dangerous. Upgrading the crankcase breathers and adding a PPE Filter Kit helps solve this...$359.99Qty in Cart: 0Quantity:Price:$359.99Subtotal: -
PPE 116111200 MANIFOLDS AND UP-PIPES Y-PIPE (CA) FOR 02-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$1,121.39PPEs Manifolds and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are internally-sleeved, made from aircraft-grade 304 stainless steel and designed with an increased inner diameter FOR higher flow. The entire...$1,121.39 -
PPE 116111800 MANIFOLDS AND UP-PIPES Y-PIPE FOR 07.5-10 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$1,121.39PPEs Manifolds and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are internally-sleeved, made from aircraft-grade 304 stainless steel and designed with an increased inner diameter FOR higher flow. The entire...$1,121.39 -
PPE 116112000 MANIFOLDS AND UP-PIPES Y-PIPE FOR 11-16 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$1,121.39PPE's advanced Manifolds and Up-Pipes are the ultimate upgrade FOR your FOR 11-16 GM Duramax 6.6L LML engine. Engineered to enhance power and flow characteristics, this exhaust system is a game-changer FOR enthusiasts seeking optimal performance.Crafted...$1,121.39 -
PPE 118010000 XTREME DAMPER FOR 01-05 GM 6.6L DURAMAX LB7/LLY
PACIFIC PERFORMANCE ENGINEERING
$539.99If your truck is producing extreme horsepower, then it needs a PPE Xtreme Damper. A direct replacement FOR the OEM unit, >PPEs Xtreme Damper is especially needed in high performance and modified trucks to help protect against harmful engine harmonics...$539.99 -
PPE 118010200 XTREME DAMPER FOR 06-10 GM DURAMAX 6.6L LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$539.99If your truck is producing extreme horsepower, then it needs a PPE Xtreme Damper. A direct replacement FOR the OEM unit, >PPEs Xtreme Damper is especially needed in high performance and modified trucks to help protect against harmful engine harmonics...$539.99 -
PPE 116454018 MASS AIRFLOW SENSOR BLOCK WELD ON ALUMINUM UNIVERSAL
PACIFIC PERFORMANCE ENGINEERING
$33.29If youre building a custom intake FOR your Duramax youll need a new place to safely mount the Mass Air Flow sensor (MAF). These fabricator-style MAF mounts come in mild steel or aluminum to suite your needs. They come raw so theyre ready to weld on...$33.29 -
PPE 116454019 MASS AIRFLOW SENSOR BLOCK WELD ON MILD STEEL UNIVERSAL
PACIFIC PERFORMANCE ENGINEERING
$33.29If youre building a custom intake FOR your Duramax youll need a new place to safely mount the Mass Air Flow sensor (MAF). These fabricator-style MAF mounts come in mild steel or aluminum to suite your needs. They come raw so theyre ready to weld on...$33.29 -
PPE 116454020 LBZ/LLY/LB7 MASS AIRFLOW SENSOR BLOCK WELD ON ALUMINUM
PACIFIC PERFORMANCE ENGINEERING
$33.29If youre building a custom intake FOR your Duramax youll need a new place to safely mount the Mass Air Flow sensor (MAF). These fabricator-style MAF mounts come in mild steel or aluminum to suite your needs. They come raw so theyre ready to weld on...$33.29 -
PPE 114010000 OIL CENTRIFUGE FILTRATION KIT FOR 01-05 GM DURAMAX 6.6L LB7/LLY
PACIFIC PERFORMANCE ENGINEERING
$449.99Clean oil increases performance and reduces engine wear. The PPE Oil Centrifuge Filtration Kit cleans oil by generating a centrifugal FORce 2,000 times greater than gravity. Engine oil pressure spins the rotor at a rate of over 6,000 rpm, separating the...$449.99 -
PPE 114010200 OIL CENTRIFUGE FILTRATION KIT FOR 06-10 GM 6.6L DURAMAX LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$449.99Clean oil increases performance and reduces engine wear. The PPE Oil Centrifuge Filtration Kit cleans oil by generating a centrifugal FORce 2,000 times greater than gravity. Engine oil pressure spins the rotor at a rate of over 6,000 rpm, separating the...$449.99