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Brand: XDP Mfg
Part Number: XD316
Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16" Competition & Race Performance XD316. The factory pushrods in your Duramax engine are not adequate to handle the stress from your modified engine. Increased cylinder pressures, higher engine RPM, and..
$378.95
Brand: DFC Diesel
Part Number: SS661116LMLLB
DFC engines may take up to 14 weeks to ship. Please contact us to verify lead times if you are in a hurry, before purchasing.
FEATURES
Our street series of engines are DFC’s flagship product. Built for work trucks, daily drivers and the diesel enthusias..
$11,537.73
Brand: Mahle
Part Number: 224-3935WR.0.25MM
Fits: 2011-2016 GM 6.6L Duramax LML/LGHRefresh the engine in your 2011-2016 GM 6.6L Duramax LML/LGH when you install the Mahle Piston With Rings. Mahle Original Pistons are manufactured with coated skirts to decrease friction and scuffing to strict specifications using all the OE features to meet or..
$221.37
Backordered
Brand: Mahle
Part Number: 224-3935WR.0.75MM
Backordered with No ETA (Updated on 6/3/2025)
Fits: 2011-2016 GM 6.6L Duramax LML/LGH
Refresh the engine in your 2011-2016 GM 6.6L Duramax LML/LGH when you install the Mahle Piston With Rings. Mahle Original Pistons are manufactured with coated skirts to decrease friction and scuff..
$210.30
Brand: Mahle
Part Number: 224-3935WR
Fits: 2011-2016 GM 6.6L Duramax LML/LGH
Refresh the engine in your 2011-2016 GM 6.6L Duramax LML/LGH when you install the Mahle Piston With Rings. Mahle Original Pistons are manufactured with coated skirts to decrease friction and scuffing to strict specifications using all the OE features to mee..
$221.37
Brand: Dirty Hooker Diesel
Part Number: 800-HBI
DHD's heavy duty balancer installer is a must for customers installing aftermarket dampers. Unlike the OE balancer, most performance Duramax dampers are press fit on the crankshaft. This precision fit requires precision installation! DHD's installer utilizes a self centering sleeve to help guide the..
$325.00
Brand: Fleece Performance
Part Number: FPE-DMAX-OCADPT
Problem: The original equipment oil cooler adapter relies on a metal gasket on the oil cooler that over time is prone to leaking as the cooler flexes.Fix: The Fleece Performance oil cooler adapter utilizes an integral square cut seal ring on the oil cooler mating surface in place of the le..
$99.00
Brand: DmaxStore
Part Number: XD-MM-0110
DMAX XD Platinum Xtreme Motor MountsFits 2001-2010 Chevy/GMC 2500/3500 HDPart# XD-MM-0110The Xtreme torque produced by the Duramax diesel destroys OE motor mounts. These New Dmax XD series mounts are the answer. They can handle everything from stock to a full blown 1600 hp race Duramax. K..
$375.24
Brand: Dorman Products
Part Number: 918-400
Replace the failing oil cooler in your 2001-2016 GM 6.6L Duramax with the Dorman 918-400 Engine Oil Cooler. When your oil cooler is not functioning properly, it can cause oil leaks, and higher than normal operating temperatures. Dorman's Engine Oil Cooler is a direct replacement for your truck and f..
$346.60
Brand: Wagler Competition Products
Part Number: WCPC6641
Strengthen the bottom end in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6641 Billet Main Caps. Designed, and machined in-house at Wagler Competition Products, these Billet Main Caps increase strength and rigidity and work with or without the WCP Girdle.
WCP Billet Main ..
$750.00
PDP Pick
Brand: Wagler Competition Products
Part Number: WCPC6643
Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax engine with the Wagler WCPC6643 Dual Valve Spring Kit With Steel Retainers. Designed to work with your factory spring shim, the dual valve spring kit increases seat pressure to 145lbs at 1.650 installed height.
&nbs..
$600.00
Brand: Wagler Competition Products
Part Number: WCPC6664
Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6664 Pushrods. Built from 3/8" x .135 wall 4130 Chromoly, these push rods increase strength and are able to handle the stress associated with higher engine RPM and higher valve spring pressures commonly found in performance..
$350.00
Brand: Wagler Competition Products
Part Number: WCPC6686-1
The Wagler WCPC6686-1 Alternate Fire Street Stage 1 Camshaft provides your 2001-2016 GM 6.6L Duramax with increased driveability and increased performance. This cam is a great replacement for towing, street use, and mild race applications. This Stage 1 camshaft does not require any piston valve reli..
$975.00
Brand: Wagler Competition Products
Part Number: WCPC661015
The Wagler WCPC6686-1 Street Stage 1 Camshaft provides your 2001-2016 GM 6.6L Duramax with increased driveability and increased performance. This cam is a great replacement for towing, street use, and mild race applications. This Stage 1 camshaft does not require any piston valve reliefs for install..
$600.00
-250x250w.jpg "01-16 6.6L Duramax Wagler Street Fighter 1,000 HP Rotating Assembly")
Brand: Wagler Competition Products
Part Number: WCP6.6SFRA
The Wagler Duramax Entry Level Rotating Assembly is the ideal package for a stock workhorse or a hot street truck making up to 1,000 HP. Even if the power goals are much less, this assembly can offer piece of mind for those who abuse their engines while earning a living.
Parts Included:..
$5,175.47
PDP Pick
Brand: Wagler Competition Products
Part Number: CRC6.6ST
The affordable Wagler Duramax Street Fighter connecting rods are the perfect solution for a hot street truck making 1,000 HP or less. The as-forged manufacturing process allows for the strength of forging, yet keeps the cost down by removing some of the extra processes that are put into the Competit..
$1,950.00
Brand: Gator Fasteners
Part Number: HSK66-CS
Temporarily Unavailable
Fits 2001-2016 Chevy/GMC 6.6L duramax
If you are wanting maximum strength to keep your high horsepower 6.6L Duramax on the road for the long haul, you need to replace your head bolts with Gator Fasteners Competition Series Head Studs. These head studs have a much ..
$0.00
Brand: Wagler Competition Products
Part Number: WCPC6618
Improve the valvetrain in your 2001-2016 GM 6.6L Duramax when you install the Wagler WCPC6618 Billet Rocker Arm Bridge Set. These rocker arm bridges feature forged 4340ACQ certified billet steel construction to handle the increase horsepower of your modified Duramax. With all drafting, design, progr..
$450.00
Backordered
Brand: AFE
Part Number: 46-40024
Backordered with No ETA (Updated 6/12/25)
Fits: 2001-2016 Gm 6.6L Duramax LB7/LLY/LBZ/LMM/LML
The AFE Bladerunner Exhaust Manifolds feature a bolt-on design and will increase power, performance, and exhaust flow in your 01-16 GM Duramax.
Machined port:
These manifolds have bo..
$657.00
Brand: DmaxStore
Part Number: CST6418MS0LCAX
Compstar Xtreme Connecting Rods (Full Set of 8)Fits 2001-2016 6.6L DuramaxConservatively rated at 1000HPPart # CST6418MS0LCAXThe next step in the Compstar line up. All the quality, reliability and workmanship you have relied upon for years from the Compstar line up is taken to the Xtreme. Speci..
$1,176.00
Brand: Dirty Hooker Diesel
Part Number: 300-128
Not all up pipe bolts are created equal! Its just about impossible to find the correct dimension M10 bolt with the correct shoulder and socket size as factory. Well, not anymore!DHD's up pipe bolts are designed to be an exact replacement for your rusty or broken OE hardware. These bolts work well on..
$2.18
Brand: Dirty Hooker Diesel
Part Number: 800-155x
Stabilize your serpentine belt under high load and high rpm with DHD's add-on belt idler kit. These kits require no belt changes and no modification to belt routing. Simple 1 bolt installation in a factory hole.
Features:
Increases Belt to Balancer Contact
Bridges Gap in Belt Routing
Ea..
$119.95
Brand: Dirty Hooker Diesel
Part Number: 800-3452.020
Contact us to confirm availability if you are in a hurry.
This delipped Duramax piston set from DHD is an excellent alternative to OE replacements. Our delipped piston sets utilize a UEM Dualoy piston with high strength steel top ring carrier. Each piston is CNC delipped and comes with wris..
$1,558.82
Brand: Dirty Hooker Diesel
Part Number: 800-3452.020
Contact us to confirm availability if you are in a hurry.
This delipped Duramax piston set from DHD is an excellent alternative to OE replacements. Our delipped piston sets utilize a UEM Dualoy piston with high strength steel top ring carrier. Each piston is CNC delipped and comes with wris..
$1,558.82
Brand: Dirty Hooker Diesel
Part Number: 800-3452.040
Contact us to confirm availability if you are in a hurry.
This delipped Duramax piston set from DHD is an excellent alternative to OE replacements. Our delipped piston sets utilize a UEM Dualoy piston with high strength steel top ring carrier. Each piston is CNC delipped and comes with wris..
$1,558.82
Brand: Dirty Hooker Diesel
Part Number: 800-66DPK
Deck plate Duramax engines are proven winners in both power production and durability. Our 1" deck plates are manufactured in the USA with A36 hot formed steel. A robust steel resistant to warping with a tensile strength as high as 80,000psi. If your looking for the ultimate in Duramax durabili..
$2,149.00
Brand: Dirty Hooker Diesel
Part Number: 300-127
This kit contains a full set of triple layer Stainless Steel MLS Up Pipe Gaskets.Kit includes 4 Gaskets!2 Up Pipe to Turbo GasketsGM Replacement Part# 971926182 Manifold to Up Pipe GasketsGM Replacement Part# 97188685A leaky up pipe gasket cause a ticking sound within the engine bay and drastically ..
$19.95
Brand: Dirty Hooker Diesel
Part Number: 800-200
Refreshing or resealing your engine? Replace your rusty, damaged or broken hardware with this zinc coated oil pan bolt kit from DHD.
Note: This kit will allow you to convert your studs to bolts, and or use the nuts provided on your studs.
Features:
Perfect Fit
OE Gr..
$26.99
Brand: DmaxStore
Part Number: DMAXGIRDLE
DmaxStore's Durastar Billet Main Girdle and Stud KitFits 2001-2016 LB7/LLY/LBZ/LMM/LML Duramax EnginesPart# DMAXGIRDLEDuramax engines are known for main cap movement on stock motors and it gets worse with more horsepower. The main cap movement can cause premature bearing wear or even worse, cat..
$699.00
Backordered
Brand: DmaxStore
Part Number: D333M81-CS
Backordered with a ETA of August (Updated 6/12/25)
DuraStar Crankshaft
*Built by Callies*
Fits 2001-2016 Chevy / GMC 6.6L Duramax
Part# D333M81-CS
Callies Durastar crankshafts are designed to be substantially stronger than OEM shafts currently found in GM’s popular ..
$1,874.00
Brand: DmaxStore
Part Number: MAX-DPB-STOCK
Max-Flow Down Pipe Support BracketFits 2001-2016 Chevrolet/GMC Silverado/Sierra 6.6L Duramax*See Fitment Notes Below*Part# MAX-DPB-STOCKIt is very common for the OEM bracket to crack and fail on the original up pipes, now we offer an upgraded replacement that is fabricated from 3/16" 304 stainless s..
$24.99
Brand: DmaxStore
Part Number: DMAX-PERF-SB-1
DmaxStore Performance Stage 1 Short Block (700HP)Fits 2001-2016 Chevy/GMC 2500/2500HDPart# DMAX-PERF-SB-1*Please Call For Availability* Free shipping is to the lower 48 states only!*NOT LEGAL FOR SALE OR USE IN CALIFORNIA. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY AL..
$10,620.00
Brand: DmaxStore
Part Number: DMAX-PERF-SB-2
DmaxStore Performance Stage 2 Short Block (1000HP)Fits 2001-2016 Chevy/GMC 2500/2500HDPart# DMAX-PERF-SB-2*Please Call For Availability* Free shipping is to the lower 48 states only!*NOT LEGAL FOR SALE OR USE IN CALIFORNIA. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY A..
$12,862.00
Brand: Fleece Performance
Part Number: FPE-DMAX-OC-xxx
Dress up your engine bay with our billet aluminum oil cap for the 2001-2016 Duramax! Includes o-ring and cam-lock and is a direct replacement for your OEM cover. Choose from Black, Blue or RedPart numbers: FPE-DMAX-OC-BLK, FPE-DMAX-OC-BLU, FPE-DMAX-OC-RED..
$39.99
Brand: Fleece Performance
Part Number: FPE-DMAX-OCADPT-ORING-KIT
Replacement O-ring kit for Fleece Performance Duramax Oil Cooler Adapter, FPE-DMAX-OCADPT.
Fleece: FPE-DMAX-OCADPT-ORING-KIT..
$8.99
Brand: Fleece Performance
Part Number: FPE-BRAB-D1
Are you in need of upgraded rocker bridges for your Duramax? Check out these from our friends over at Fleece Performance.
Fleece Performance billet rocker arm bridges for the 2001-2016 GM 6.6L Duramax are designed for high stress applications.
Features
Machined from billet tool steel, th..
$512.54
Brand: Gator Fasteners
Part Number: HSK66
When it comes to keeping your 6.6L Duramax diesel engine (LB7, LLY, LBZ, LMM, LML) together under extreme stress, the Gator Fasteners Heavy Duty Head Stud Kit (HSK66) is the ultimate solution. Designed to withstand high boost, heavy towing, and extreme performance applications, this kit provides sup..
$524.99
Brand: Industrial Injection
Part Number: 44B801
6.6L Duramax 130lb. Valve Spring Kit
Fits: 2001-2016 6.6 Duramax
Features:
Helps Prevent Valve Float
Rated up to 130psi Boost/Drive Pressure
Rated up to 5000rpm
32 Conical Valve Springs
32 Billet Steel Retainers
32 Chromoly Spring Seats
64 Valve Locks
Fits 2001-2016 LB7..
$737.11
Brand: Industrial Injection
Part Number: PDM-CCK-DMX
Industrial Injection Performance Cam & Crank Key Kit
Eliminate the risk of engine damage by installing our high strength tool steel key ways into your crankshaft and camshaft.
The factory Duramax crank uses a very small roll pin to hold the balancer and gear in place. The camshaft also uses ..
$88.32
Brand: Industrial Injection
Part Number: PDM-DMAXPSTNSx
2001-2016 6.6L Duramax Pistons
Features:
Drop In Replacement
Complete W/ Rings, Wrist Pins And Clips
Precision Machined and Coated Piston
Available in Std, .020" and .040"
Fly Cut with .100 Valve Reliefs Available
Thermal Barrier Coating For Piston Tops
Ceramic Pis..
$1,884.97
Brand: Industrial Injection
Part Number: PDM-07184
The Industrial Injection PDM-07184 Rocker Arm Spacer Kit can help improve the reliability of the valvetrain in your 2001-2016 GM 6.6L Duramax. This rock arm spacer kit removes the springs in between the rockers that are design to keep the rockers aligned under high load or high RPMs. The stock sprin..
$214.78
Brand: Industrial Injection
Part Number: 4490
The Industrial Injection 6.6L Duramax Stage 1 Pushrods are designed to add strength and reliability to your 2001-2016 GM Duramax. If you are running higher RPM and higher boost number than stock these billet pushrods are a must.
FEATURES:
Added Strength
Increased Performance
Good Up To ..
$23.92
Brand: Industrial Injection
Part Number: 449000
The Industrial Injection 6.6L Duramax Stage 3 Billet Pushrods are designed to add Ultimate strength and reliability to your 2001 - 2016 GM Duramax. If you are running over 4500rpm and over 100psi boost these Stage 3 Billet Pushrods are a must.
FEATURES:
Added Strength
Chomoloy Design
In..
$32.00
Brand: Lisle Corp
Part Number: 72400
The Lisle 72400 Exhaust Manifold Bolt Drill Template (GM 6.6L Duramax) removes broken exhaust manifold bolts on your 6.6L Duramax without damaging the cylinder head. Tapered bolts center the base plate over the bolt holes and slip fit bushing allow you to move from hole to hole without moving the ba..
$150.99
Brand: Mahle
Part Number: 5458X
Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML (.95MM)
This Mahle Wave-Stopper Cylinder Head Gasket 5458X (.95 Thickness) is a top-quality replacement for the head gasket in your 2001-2016 GM 6.6L Duramax. This gasket kit comes with the Combustion Load Limiter technology manufactured ou..
$88.86
Brand: Mahle
Part Number: 5458X
Fits: Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML (1.00mm)
This Mahle Wave-Stopper Cylinder Head Gasket is a top-quality replacement for the head gasket in your 2001-2016 GM 6.6L Duramax. This gasket comes with the combustion load limiter technology constructed out of multi-layered s..
$85.24
Brand: Mahle
Part Number: 5458X
Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML (1.05mm)
The Mahle Wave-Stopper Cylinder Head Gasket is a top-quality replacement for the head gasket in your 2001-2016 GM 6.6L Duramax. This gasket features the combustion load limiter technology constructed out of multi-layered steel that lets..
$52.01
Brand: Mahle
Part Number: 67775
The MAHLE 67775 Engine Timing Cover Seal is a an OEM replacement for your 2001-2016 GM 6.6L Duramax. Built to factory specifications, the Engine Timing Cover Seal maintains an OEM performance.FEATURES:OE QualityMaintains a Factory PerformancePart number: 67775..
$35.86