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2017-2019 GM 6.6L L5P Duramax Engine Parts

Brand: Gator Fasteners Part Number: HSK66L5P
If you are wanting to keep your LP5 6.6L Duramax on the road for the long haul, you need to replace your head bolts with upgraded head studs. These head studs have a much higher strength and will not stretch like the factory bolts will. This will help keep your truck from popping head gaskets. These..
$574.99
Brand: Fleece Performance Part Number: FPE-HAR-GM-LCT-SEAL-7P
Get rid of oil leaks from the harness connector with our replacement internal wiring harness seal for the Allison LCT and GM 4T65-E. This 20-way pin seal is a direct replacement for the hard to find OE seals and includes a replacement O-ring for the connector body and new connector body. This k..
$139.99
Brand: Fleece Performance Part Number: FPE-HAR-GM-LCT-SEAL
Get rid of oil leaks from the harness connector with our replacement internal wiring harness seal for the Allison LCT and GM 4T65-E. This 20-way pin seal is a direct replacement for the hard to find OE seals and includes a replacement O-ring for the connector body and new connector body.  FI..
$22.99
Brand: Pacific Performance Engineering Part Number: 114000551
Fits: 2001-2019 GM 6.6L Duramax LB7/LLY/LBZ/LMM/L5PThis PPE Oil Filter Adapter  allows you to convert from CAT oil filter back to an OE style oil filter in your 2001-2019 GM Duramax Truck.  This adapter is built for smooth operation and to minimize cross threading of the oil filter.PP..
$8.99
Brand: Hubb Filters Part Number: 8501
Fits: 2001-2019 GM 6.6L Duramax  LB7/LLY/LBZ/LMM/LML/L5P This HUBB 8501 Lifetime Reusable Oil Filter is the perfect component for your truck. The HUBB filter comes with two large kidney shaped openings in the baseplate that guides the oil around the exterior of the primary filter. HUBBs..
$149.99
Brand: OptiTorque Part Number: 10799
Fits: 2001-2019 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P This OptiTorque Technologies 10799 Harmonic Balancer Bolt is the perfect component for your truck. These screws and bolts come with a larger fastener head  for distributing the clamping load can handle extreme stresses, pressures and te..
$21.99
Brand: AC Delco Part Number: 94011702
Prevent leaks at the water pump outlet pipe with the GM 94011702 Water Pump Pipe To Oil Cooler Seal for your GM 6.6L Duramax. This Seal is a genuine OEM replacement.FEATURES:Genuine OEM ReplacementDirect-Fit InstallationPart number: 94011702..
$23.71
Brand: XDP Mfg Part Number: XD385
The XDP Rocker Arm Shafts XD385 are specially designed to minimize the common oiling issues in the 2001-2019 GM 6.6L Duramax engines. From the factory, the oil supply to the rocker arm is shut off as the valve is opened. This lack of lubrication can cause excessive wear on your valvetrain and premat..
$484.95
Brand: Lisle Corp Part Number: 22130
Fits: 2001-2020 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5PWorks on 2001 and Newer Duramax Engines to Turn the Crankshaft Allowing Access to the Torque Converter Bolts.The 22-1/2” long, offset design allows the 36mm 12 point wrench to clear the stabilizer bar from under the truck. The wrench can al..
$40.91
Brand: Merchant Automotive Part Number: 10371
When it comes to installing the front and rear main seals on your Duramax Diesel engine, you are going to need the right tools for the job. Without the correct tools, you can misalign your seals, causing future leaks that will need to be addressed. Merchant Automotive has recognized the need for a s..
$176.11
Brand: XDP Mfg Part Number: XD477
Customize the underhood of your 2001-2021 GM 6.6L Duramax when you add the XDP Billet Aluminum Oil Cap XD477. Each cap features a CNC-machined billet aluminum construction making it the perfect replacement for the plastic factory cap. The XD477 comes ready to install with a durable black anodized fi..
$29.95
Brand: Dirty Hooker Diesel Part Number: 800-116
Replace your damaged starter ring gear with this new replacement from DHD. Sweating a new ring gear onto your current flywheel will eliminate the need to rebalance your rotating assembly. Its highly recommended that you replace your flywheel bolts during this service. Fitment: 2001-2023 GM Dur..
$194.50
Brand: DmaxStore Part Number: DMAX-BFC-6.6
DmaxStore Billet Fuel Cap Fits 2001-2023 Chevrolet / GMC 2500HD / 3500HD  Part# DMAX-BFC-6.6 This fuel cap was designed specifically to fit the 6.6L Duramax Diesel Trucks and threads right into the factory filler neck. It is constructed of T6 6061 Aluminum and is anodize..
$54.25
Brand: Fluidampr Part Number: 760131
Fits: 2001-2023 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P (Non-Stock, Internally Balanced Engines)This damper is for HIGH PERFORMANCE BUILT ENGINES ONLY!This Fluidampr Performance Diesel Series Damper 760131 would be perfect for your 2001-2023 GM 6.6L Duramax.  This is ideal for all non-stoc..
$563.55
Brand: DmaxStore Part Number: DMAX-EOC
DmaxStore Billet Engine Oil Cap Fits 2020-2022 Silverado/Sierra 1500 3.0L Duramax (LM2) Part# DMAX-EOC Upgrade your plastic oil cap on your LM2 with this all new billet oil cap. The billet oil cap is made from 6061-T6 aluminum alloy and anodized black to protect the material from ..
$39.99
Brand: SoCal Diesel Part Number: 3388AF
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. Alternative Firing Order Duramax Camshaft #..
$1,100.00
Brand: SoCal Diesel Part Number: 6480AF
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. Alternative Firing Order Duramax Camshaft #..
$1,100.00
Brand: SoCal Diesel Part Number: 9100AF
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. Alternative Firing Order Duramax Drag Racin..
$1,100.00
Brand: SoCal Diesel Part Number: SCMainCaps
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. SoCal Diesel Billet Main Caps OEM mai..
$895.00
Brand: Wehrli Custom Fabrication Part Number: WCF100443
Clean up the engine bay of your 2001-2024 Duramax with this Billet Aluminum Black Anodized Oil Fill Cap from WCFab. This is a complete cap, not a cover. Direct OEM replacement for the factory plastic part. Includes o-ring seal and machined cam lock engagement. CNC machined in the USA.Direct replacem..
$49.47
Brand: Wehrli Custom Fabrication Part Number: WCF100442
Clean up the engine bay of your 2001-2024 Duramax with this Billet Aluminum Clear Anodized Oil Fill Cap from WCFab. This is a complete cap, not a cover. Direct OEM replacement for the factory plastic part. Includes o-ring seal and machined cam lock engagement. CNC machined in the USA.Direct replacem..
$49.47
Brand: Gator Fasteners Part Number: HDB66
Gator Fasteners heavy duty harmonic damper bolt for 01-19 Duramax. If you are wanting to keep your 6.6L Duramax on the road for the long haul, you need the high quality parts like these Gator Fasteners.Gator: HDB66..
$29.99
Brand: CTA Manufacturing Corp. Part Number: 3477
Fits: 2011-2019 GM 6.6L Duramax LML/LGHPurchase this CTA Tools GM Fuel Line Disconnect Tool to work on your vehicle. CTA Tools has a wide selection of automotive specialty tools that make vehicle repairs and maintenance a breeze. Having the right tools is critical to any proper repair. Each componen..
$9.72
Brand: Mahle Part Number: VS50966
Fits: 2017-2019 GM 6.6L Duramax L5P The Mahle valve cover gasket set is a direct-fit replacement for the leaking gasket in your 2017-2019 GM 6.6L Duramax L5P. This gasket is manufactured to meet or exceed the OEM specification and is quality test for a long service life.  Quality teste..
$68.87
Brand: DmaxStore Part Number: OE-L5P-HG
DmaxStore OE L5P Duramax Head Gasket Replacement Package Fits 2017-2019 2500HD/3500HD L5P Duramax Part# OE-L5P-HG This kit contains the necessary Genuine OE manufacturer parts you will need to replace both head gaskets on your L5P Duramax. This kit includes everything down to the valve stem..
$1,238.99
Brand: XDP Mfg Part Number: XD387
The XDP 3/8" Street Performance Pushrods XD387 will strengthen the weak link in the valvetrain of your 2017-2020 GM 6.6L Duramax L5P. The stock pushrods in your Duramax engine can barely handle stock power levels. With greater cylinder pressure and valve spring pressures from elevated engine RPM, th..
$349.95
Brand: Automotive Racing Products Part Number: 230-4301
ARP 2000 head stud kit for L5P Duramax trucks. These studs feature a 220,000 PSI Tensile Strength. ARP:  230-4301..
$739.28
Brand: Alliant Power Part Number: AP0203
Alliant Power Turbo Installation Kit  for 2017-2022 GM 6.6L Duramax L5P and L5D equipped vehiclesThis premium turbo install kit consists of all OE or OE equivalent components that are required for a turbo removal and installation into your Chevrolet Silverado and or GMC Sierra with a L5P or L5D..
$215.41
Brand: OptiTorque Part Number: 10793
Fits: 2017-2023 GM 6.6L Duramax L5P This OptiTorque 10793 TorqueMaster Main Stud Kit is the perfect component for your truck. This kit is built with domestically sourced premium steels. These Kits also go through a process to achieve higher tensile strengths such as 190 KSI-240 KSI. The fasteners..
$599.99
Brand: Fleece Performance Part Number: FPE-61-10014-D
Fleece products are made in the USA and are built to an extremely high standard. Fleece also provides excellent customer service and stands behind their products! We utilize Fleece products in our shop wherever possible! Introducing Fleece Freedom Series cylinder heads for the 2017 - 2023 L5P 6.6..
$1,099.00
Brand: Fleece Performance Part Number: FPE-61-10014-P
Fleece products are made in the USA and are built to an extremely high standard. Fleece also provides excellent customer service and stands behind their products! We utilize Fleece products in our shop wherever possible! Introducing Fleece Freedom Series cylinder heads for the 2017 - 2023 L5P 6.6..
$1,099.00
Brand: Position 1 Performance Part Number: P1L5PCCV
Eliminate the possibility of a boost leak into the intakeRelocates the oil fill to a superior locationInternally baffled Options to route to the factory location or to atmosphere for competition use only Includes a bolt extractor to remove the factory hardware Includes 10ft of ho..
$401.33
Brand: XDP Mfg Part Number: XD3017HS
Upgrade the OEM head bolts on your 2017-2023 GM 6.6L Duramax L5P when you purchase the XDP X220 Series Head Stud Kit XD3017HS. Upgrading the factory head bolts is a must when start adding horsepower and torque to your Silverado/Sierra. The factory bolts typically can't handle the additional pressur..
$574.95
Brand: SoCal Diesel Part Number: SCL5PMainStud
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. SoCal Diesel main stud kit for L5P main gir..
$375.00
Brand: Dirty Hooker Diesel Part Number: 800-7227.020
Contact us to confirm availability if you are in a hurry.  The race to produce a dependable oversize replacement piston for the L5P engine platform is over! The availability of these pistons opens the door for L5P engine rebuilding and customization.  This delipped Duramax piston set..
$1,558.82
Brand: Dirty Hooker Diesel Part Number: 800-7227.040
Contact us to confirm availability if you are in a hurry.  The race to produce a dependable oversize replacement piston for the L5P engine platform is over! The availability of these pistons opens the door for L5P engine rebuilding and customization.  This delipped Duramax piston set..
$1,558.82
Brand: SoCal Diesel Part Number: SCL5PGirdle
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. SoCal Diesel L5P Billet Main Girdle kit. ..
$850.00
Brand: Aftermarket Parts Part Number: 7227DKP.5MM-Z
Contact us to confirm availability if you are in a hurry.  The race to produce a dependable oversize replacement piston for the L5P engine platform is over! The availability of these pistons opens the door for L5P engine rebuilding and customization. These OE style replacement pistons have t..
$1,299.00
Brand: Aftermarket Parts Part Number: 7227DKP.1.MM-Z
Contact us to confirm availability if you are in a hurry.  The race to produce a dependable oversize replacement piston for the L5P engine platform is over! The availability of these pistons opens the door for L5P engine rebuilding and customization. These OE style replacement pistons have t..
$1,299.00
Brand: Wehrli Custom Fabrication Part Number: WCF100199
The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high-strength ARP fasteners and matched washers with a pack of assembly lube are designed as an upgrade to the smaller and failure prone 8mm OEM fasteners employed on the 2017 and newer 6.6L Duramax engines to connect the up pipes ..
$58.20
Brand: Position 1 Performance Part Number: P1L5PCLT
Expertly crafted in the USA from high-quality billet aluminum, these fittings provide a dependable upgrade to replace the factory line, which is prone to cracking and leaking. Designed for durability, they also feature a high-temperature O-ring to ensure long-lasting performance and reliability.&nbs..
$34.24
Brand: Power Stroke Products Part Number: PP-HGS-6.6DMAXL5P
Fits: 2017-2025 GM 6.6L L5P Duramax Built for durability and performance, this L5P Head Gasket Set is the ideal solution for 2017–2025 GM 6.6L Duramax L5P diesel engines. Whether you’re replacing a blown head gasket or upgrading components during an overhaul, this ..
$659.00
Brand: Calibrated Power Part Number: 13U7H001
Does your diesel have High EGTs, Excessive SMOKE, Increased Turbo Lag, and Less Power than it used to? Let’s talk about boost leaks. Your truck needs air! Not a little bit of air. Your diesel engine needs all the incoming air it can get. Increasing air in the combustion process will help ma..
$185.00
Brand: Fleece Performance Part Number: FPE-HBS-M820-M610
Fleece Performance M8x1.25x20 Hex Bolt with M6x1.0x15 stud is perfect for custom applications and mountings. Produced in-house, this stud is produce from mild steel and black oxide coated. Fleece: FPE-HBS-M820-M610..
$9.49
Brand: Position 1 Performance Part Number: P1D12DK
Largest drain on the market For use with S400 and similar frame turbos  Much better flow compared to the restrictive -10 drains that are typically used Extended turbo drain flange to make installation and removal of the hose much easier  O-ringed turbo drain flange for a leak ..
$233.82
Brand: Position 1 Performance Part Number: P1L5PMAPSPC
Made in the USA out of billet aluminum   Drastically reduces the issue of soot building up on the sensor   Integrated 1/8" NPT port for a boost pressure sensor Installs in minutes   P/N: P1L5PMAPSPC  ..
$60.50
Brand: CTA Manufacturing Corp. Part Number: 2800
Fits: Universal This CTA Tools Diesel Compression Test Kit is the specialty tool your garage needs. Get the tools needed to conquer any job on your truck. Each item is made from quality materials for long service life and dependability.  Features:  High- Quality Construction ..
$103.97
Brand: Grimm Speed Part Number: GRM020029
Finally a high availability, high quality premium multi-layer construction turbo manifold gasket. GrimmSpeed gaskets are typically designed to improve sealing and withstand the high temperatures and pressures found in performance applications. Their gaskets often feature materials that are more dura..
$10.00
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