EXTERNAL ENGINE COMPONENTS
From engine oil pans to alternators, intake horns, and oil caps, the products in this category are carefully crafted to meet the highest quality standards and provide reliable performance. For example, the Dorman Engine Oil Pan is designed to fit specific GM models and ensure proper oil containment within the engine. Similarly, the D&W Diesel New Delco Remy Alternators are built to deliver consistent power output for Duramax engines, while the Fleece Resonator Delete Plate and Intake Horn offer improved airflow and increased horsepower for GM Duramax engines.
In addition to these components, this category also includes products like mechanical belt tensioners, remote oil filter mounts, oil cooler delete kits, and PCV crankcase breather repair fittings. These products are essential for maintaining the overall health and functionality of the engine system, as they help to prevent damage, reduce wear and tear, and improve overall engine performance.
Whether you are looking to upgrade your vehicle's external engine components for better performance or need to replace a worn-out part, this category offers a comprehensive selection of high-quality products from top manufacturers like PPE, Mishimoto, Dorman, and Fleece. With these products, you can ensure that your vehicle's engine system operates smoothly and efficiently for years to come.
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DAYCO PB1647N POWERBOND PREMIUM REPLACEMENT HARMONIC BALANCER FOR 2011-2016 GM 2500HD/3500HD WITH 6.6L DURAMAX ENGINE
DAYCO
$328.63The Dayco PB1647N PowerBond Premium Replacement Harmonic Balancer is engineered for the performance and durability that your GM 6.6L Duramax LML/LGH engine requires. Designed as a premium OEM replacement, it ensures seamless compatibility with various...$328.63 -
DAYCO PB1649N POWERBOND PREMIUM REPLACEMENT HARMONIC BALANCER FOR 2006-2010 GM 2500HD/3500HD WITH 6.6L DURAMAX ENGINE
DAYCO
$292.58The Dayco PB1649N PowerBond Premium Replacement Harmonic Balancer is a leading solution for those who own trucks equipped with the 2006-2010 GM 6.6L Duramax LBZ/LMM engines. This premium balancer is designed to deliver exceptional performance and...$292.58 -
GPD 6513140 NEW A/C COMPRESSOR 2015-2020 GM SILVERADO/SIERRA 2500HD/3500HD/4500HD/5500HD 6.6L DURAMAX LML/L5P
GLOBAL PARTS DISTRIBUTORS
$359.64The GPD 6513140 A/C Compressor is a high-performance component designed specifically for the 2015-2020 GM Silverado and Sierra models, including the 2500HD and 3500HD with the powerful 6.6L Duramax LML and L5P engines. It also fits the 2019-2020 Chevy...$359.64 -
GPD 6512383 NEW A/C COMPRESSOR FOR 2003-2014 GM SILVERADO/SIERRA 2500HD/3500HD WITH 6.6L DURAMAX
GLOBAL PARTS DISTRIBUTORS
$263.47The GPD 6512383 New A/C Compressor is engineered for optimal performance in 2003-2014 GM Silverado and Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax LB7, LLY, LBZ, LMM, and LML engines, as well as 2006-2009 GM Express and Savana models with...$263.47 -
GM 12637105 WATER PUMP WITH HOUSING FOR 06-16 GM 6.6L DURAMAX
GM
$335.56The GM 12637105 Water Pump with Housing is a premium component tailored for 2006-2016 GM 6.6L Duramax LBZ/LMM/LML engines, delivering reliable and consistent performance essential for optimal engine operation. This water pump is meticulously engineered...$335.56 -
DORMAN 918-400 DIESEL ENGINE OIL COOLER 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
DORMAN
$332.34Enhance 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...$332.34 -
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 114053000 DEEP ENGINE OIL PAN RAW FOR 17-19 GM DURAMAX 6.6L L5P
PACIFIC PERFORMANCE ENGINEERING
$350.99The PPE 114053000 Deep Engine Oil Pan Raw FOR FOR 17-19 GM Duramax 6.6L L5P engines is the solution to complete oil drainage issues faced by many owners. Designed by PPE, this oil pan tackles the problem of retaining old, dirty oil in the stock pan...$350.99 -
PPE 114053020 DEEP ENGINE OIL PAN BLACK 2017+ GM DURAMAX 6.6L L5P
PACIFIC PERFORMANCE ENGINEERING
$368.99PPE presents the ultimate solution FOR GM Duramax L5P owners with the revolutionary DEEP ENGINE OIL PAN BLACK 2017+. Say goodbye to the hassle of incomplete oil drainage during your regular oil changes because with this innovative pan, you can ensure...$368.99 -
PPE 118021212 VALVE COVER KIT - WITH PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$305.99Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of .75 Inch/19mm, 6061-T6 aluminum on a...$305.99 -
PPE 118021220 VALVE COVER KIT BLACK W/ PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$305.99Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of .75 Inch/19mm, 6061-T6 aluminum on a...$305.99 -
PPE 118021222 VALVE COVER KIT BLUE W/ PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$305.99Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of .75 Inch/19mm, 6061-T6 aluminum on a...$305.99 -
PPE 118021230 VALVE COVER KIT POLISHED POLISHED W/ PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$305.99Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of .75 Inch/19mm, 6061-T6 aluminum on a...$305.99 -
PPE 114025405 PCV CRANKCASE BREATHER FILTER KIT FOR 04-10 GM 6.6L DURAMAX LLY/LBZ/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...$359.99 -
PPE 114053100 ENGINE OIL PAN RAW FOR 20-23 GM 6.6L DURAMAX L5P
PACIFIC PERFORMANCE ENGINEERING
$359.99The PPE 114053100 Engine Oil Pan Raw FOR FOR 20-23 GM 6.6L Duramax L5P is the ultimate solution to the prevalent oil drainage issues in the stock GM pan. Say goodbye to retaining old, dirty oil in your engine during oil changes. PPE has engineered a...$359.99 -
PPE 114053120 ENGINE OIL PAN BLACK FOR 20-23 GM 6.6L DURAMAX L5P
PACIFIC PERFORMANCE ENGINEERING
$377.99The PPE 114053120 Engine Oil Pan in Black designed FOR FOR 20-23 GM 6.6L Duramax L5P engines offers a comprehensive solution to the persistent oil drainage issue faced by many Duramax owners. Unlike the stock GM oil pan that allows over half a quart of...$377.99 -
PPE 114054000 DEEP ENGINE OIL PAN-RAW FOR 20-23 GM 3.0L DURAMAX
PACIFIC PERFORMANCE ENGINEERING
$296.99This new Deep pan is constructed of heavy-duty cast aluminum alloy and holds an additional two quarts of oil. More fluid increases thermal stamina which helps promote longer service life. We've added machined grooves to the outer surface of the pan to...$296.99 -
PPE 114054020 DEEP ENGINE OIL PAN-BLACK FOR 20-23 GM 3.0L DURAMAX
PACIFIC PERFORMANCE ENGINEERING
$314.99This new Deep pan is constructed of heavy-duty cast aluminum alloy and holds an additional two quarts of oil. More fluid increases thermal stamina which helps promote longer service life. We've added machined grooves to the outer surface of the pan to...$314.99 -
PPE 118021400 VALVE COVER KIT - NO PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$269.99Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of .75 Inch/19mm, 6061-T6 aluminum on a...$269.99 -
PPE 118021418 VALVE COVER KIT BLACK MATTE NO PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$287.99Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of.75 Inch/19mm, 6061-T6 aluminum on a...$287.99 -
PPE 118021423 VALVE COVER KIT GOLD MATTE NO PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$287.99Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of.75 Inch/19mm, 6061-T6 aluminum on a...$287.99 -
PPE 118021430 VALVE COVER KIT - POLISHED NO PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$287.99Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of .75 Inch/19mm, 6061-T6 aluminum on a...$287.99 -
PPE 168030140 ENGINE MOUNT KIT - 40 HARDNESS BLUE FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99Stock engine mounts fail over time as bushings deteriorate. This causes vibration and engine noise to become more pronounced. Degradation is accelerated in high-power engine applications. PPE High-performance Silicone Engine Mount Kits are engineered to...$269.99 -
PPE 168030150 ENGINE MOUNT KIT 50 HARDNESS GREEN FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99Stock engine mounts fail over time as bushings deteriorate. This causes vibration and engine noise to become more pronounced. Degradation is accelerated in high-power engine applications. PPE High-performance Silicone Engine Mount Kits are engineered to...$269.99 -
PPE 168030160 ENGINE MOUNT KIT 60 HARDNESS YELLOW FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99Stock engine mounts fail over time as bushings deteriorate. This causes vibration and engine noise to become more pronounced. Degradation is accelerated in high-power engine applications. PPE High-performance Silicone Engine Mount Kits are engineered to...$269.99 -
PPE 168030170 ENGINE MOUNT KIT 70 HARDNESS RED FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99Stock engine mounts fail over time as bushings deteriorate. This causes vibration and engine noise to become more pronounced. Degradation is accelerated in high-power engine applications. PPE High-performance Silicone Engine Mount Kits are engineered to...$269.99 -
WEHRLI WCF100131 2001-2010 LB7/LLY/LBZ/LMM DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM OIL PAN
WEHRLI CUSTOM FABRICATION
$367.63The WEHRLI WCF100131 2001-2010 LB7/LLY/LBZ/LMM Duramax WCFab X PPE High-Capacity Cast Aluminum Oil Pan offers a superior solution to upgrade your vehicle. Designed to replace the stock steel oil pan, this product features a flat bottom high-capacity...$367.63 -
CPP XD224 220 AMP ALTERNATOR HIGH OUTPUT FOR 01-07 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$299.95The CPP XD224 220 Amp Alternator is an essential upgrade for your 2001-2007 GM 2500/3500HD equipped with a Duramax engine, especially if you're looking to enhance your vehicle's electrical performance. Designed to meet the demands of various aftermarket...$299.95 -
CPP XD251 GEAR REDUCTION STARTER FOR 01-16 GM 2500/3500HD WITH 6.6L DURAMAX ENGINE
CPP DIESEL
$299.95You can rely on the CPP HD Gear Reduction Starter XD251 to get your 2001-2019 GM 6.6L Duramax running in the most extreme environments. CPP's HD Gear Reduction Starters are fast, strong, and durable to give you the ability to turn over even the most...$299.95 -
AFE POWER 46-80003 BLADERUNNER UNIVERSAL ENGINE/TRANSMISSION OIL COOLER KIT 10" X 2" X 4-3/4"
AFE POWER
$274.52The AFE POWER 46-80003 BladeRunner Oil Cooler Kit is engineered to enhance the cooling capabilities of your vehicle’s engine or transmission, ensuring optimal performance in demanding conditions. Measuring 10 inches in length, 2 inches in width, and...$274.52 -
AFE POWER 46-80004 BLADERUNNER UNIVERSAL ENGINE/TRANSMISSION OIL COOLER KIT 10" X 2" X 8"
AFE POWER
$320.83The AFE POWER 46-80004 BladeRunner Oil Cooler Kit is the ultimate solution for enhancing your vehicle's thermal management. Designed to provide an additional cooling layer for both engine and transmission, this robust oil cooler is engineered to perform...$320.83 -
PPE 149000105 HEAT/SOUND INSULATOR FIREWALL-BLACK FOR 01-07 GM 6.6L DURAMAX LB7/LLY
PACIFIC PERFORMANCE ENGINEERING
$269.99Diesel engines produce a lot of heat, especially in high-output situations like towing, racing, and light-to-light driving. Time to upgrade your tattered, dirty firewall insulation with the brand new PPE Insulator Firewall. Create a barrier between you...$269.99 -
PPE 114052000 HIGH CAPACITY CAST ALUMINUM DEEP ENGINE OIL PAN FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$260.99Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes. The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which prevents your old oil...$260.99 -
PPE 114052020 HIGH CAPACITY CAST ALUMINUM DEEP OIL PAN-BLACK FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$278.99Ditch the grit. Get rid of the dirtiest oil left in the valley of your stock pan from all your previous oil changes. The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan that prevents your old...$278.99 -
PPE 114052100 HIGH CAPACITY CAST ALUMINUM DEEP OIL PAN-RAW FOR 11-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$287.99Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes. The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which prevents your old oil...$287.99 -
PPE 114052120 HIGH CAPACITY CAST ALUMINUM OIL PAN-BLACK FOR 11-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$305.99Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes. The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which prevents your old oil...$305.99 -
PPE 114001000 INTERNAL OIL COOLER DELETE KIT FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$269.99Designed FOR high performance Duramax engines that require remote oil cooler and filtration solutions. Popular FOR hot rod, marine and race applications that require larger less restrictive cooler/filter systems. Compact design adds additional clearance...$269.99 -
WAGLER WCPC661025.2 MECHANICAL BELT TENSIONER 2011-2016 GM 6.6L DURAMAX LML
WAGLER COMPETITION PRODUCTS
$375.00Designed for the discerning Duramax enthusiast, the Wagler WCPC661025.2 Mechanical Belt Tensioner offers superior performance and reliability for 2011-2016 GM 6.6L Duramax LML engines. Crafted by Wagler Competition Products, this mechanical belt...$375.00 -
WAGLER WCPC661025.1 MECHANICAL BELT TENSIONER 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
WAGLER COMPETITION PRODUCTS
$375.00The Wagler WCPC661025.1 Mechanical Belt Tensioner for 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM engines is a powerhouse of a product designed to revolutionize your truck's serpentine belt system. This specialized tensioner replaces the factory spring belt...$375.00 -
D&W DIESEL 120-019-0135 NEW DELCO REMY ALTERNATOR 01-05 DURAMAX
D&W DIESEL
$305.42The D&W Diesel 120-019-0135 New Delco Remy Alternator is a premium component designed for GMC Duramax 6.6L engines from 2001 to 2005. With a brand-new condition and top-notch craftsmanship, this alternator ensures optimal performance and reliability in...$305.42