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Brand: K&N Filters
Part Number: 57-3034
The 57 Series Generation II air intake, also referred to as an FIPK®, is K&N's ultimate performance product. These performance intakes are designed to increase power by as much as 10%. 57 Series FIPK's are CARB exempt, street legal in all 50 US states, come with a Million Mile Limited Warranty and ...
$349.99
PDP Pick
Brand: S&B Filters
Part Number: 75-5101x
Airflow Rating
Cotton, Cleanable: Flows 47.8% better than the Stock Intake
Dry: Flows 46.7% Better than the Stock Intake
Efficiency Rating
Cotton, Cleanable: 99.32% Efficient @ 632 CFM (ISO Coarse Dust)
Dry: 99.74% Efficient @ 632 CFM (ISO Coarse Dust)
S&B Cold Air Intake...
$349.00
Brand: AFE
Part Number: 50-74001
Bringing you the next generation of intakes, the Momentum HD sealed air intake system is designed using the most up-to-date engineering tools and techniques to provide you with the perfect blend of power and protection. This intake system is superior in every way. From the one-piece sealed housing...
$420.00
Brand: Banks Power
Part Number: 42132
Passes the test. Again and again.Others build and ship without testing. Not Banks. Our Ram-Air Intakes start out as CAD software prototypes and are put through flow simulations. The design is refined until the simulation shows optimal performance. Then a hardware prototype is made and the design is ...
$449.00
Brand: AFE
Part Number: 54-10782
This Stage 2 cold air intake system produces 12 HP and 28 lbs. x ft. of torque and outflows the factory intake by 42%. Enclosed in a durable 18 gauge, powder-coated heat shield; this air intake system features a massive 6" base x 7" height filter with a 4" flange washable/reusable conical air filter...
$408.00
PDP Pick
Brand: Fleece Performance
Part Number: FPE-LB7-63
Fleece Cheetah Turbo - FPE-LB7-63
Unleash the Power of Your Engine with the Fleece Cheetah Turbo!
Experience unmatched performance and revolutionize your driving with the Fleece Cheetah Turbo, part number FPE-LB7-63. Designed specifically for your vehicle, this turbocharger promises not only an ...
$1,999.00
Brand: Bosch
Part Number: 0986435502
These are the latest version direct from Bosch to replace troublesome early LB7 injector. Don't be fooled by cheap imitations or the promise of a quality "Reman" from other sources, as these are Genuine Bosch injectors.
This is a 2001-2004 LB7 Duramax Diesel Bo...
$243.89
Brand: Automotive Racing Products
Part Number: 400-7531
ARP stainless steel valve cover bolt kit for LB7 Duramax. Features170,000 PSI of Tensile StrengthStainless SteelSpecsSocket Size: 8mm 12ptThread Size: 1/4-20ARP: 400-7531...
$134.55
Brand: MBRP
Part Number: S6005P
Cruise the highway or hit the track with an MBRP Street Profile exhaust. It’s the perfect mix of aggressive sound when you’re into the throttle without being obnoxious on long drives.
· Year: 2001-2004
·...
$514.99
Brand: MBRP
Part Number: S6005PLM
Cruise the highway or hit the track with an MBRP Street Profile exhaust. It’s the perfect mix of aggressive sound when you’re into the throttle without being obnoxious on long drives.
· Year: 2001-2004
·&nbs...
$459.99
Brand: MBRP
Part Number: S6005SLM
Cruise
the highway or hit the track with an MBRP Street Profile exhaust. It’s the
perfect mix of aggressive sound when you’re into the throttle without being
obnoxious on long drives.
·
Year: 2001-2004
· &nbs...
$629.99
Brand: MBRP
Part Number: S60210P
Unleash your vehicle's most aggressive sound with an MBRP Race Profile exhaust. Hear the biggest gains and turn heads every time you hit the gas. Your vehicle will sound like it belongs on a race track.
·
Year: 2001-2004
· &nbs...
$684.99
Brand: MBRP
Part Number: S60210PLM
Unleash your vehicle's most aggressive sound with an MBRP Race Profile exhaust. Hear the biggest gains and turn heads every time you hit the gas. Your vehicle will sound like it belongs on a race track.
· Year: 2001-2004
·...
$619.99
Brand: MBRP
Part Number: S60210SLM
Unleash your vehicle's most aggressive sound with an MBRP Race Profile exhaust. Hear the biggest gains and turn heads every time you hit the gas. Your vehicle will sound like it belongs on a race track.
·
Year: 2001-2004
· &nbs...
$749.99
Brand: HSP Diesel
Part Number: 102-HSP-xxx
Increase airflow on your 2001-2004 GM 6.6L Duramax LB7 with the HSP LB7 Cold Air Intake. With gains of up to 20HP and 58 lb-ft on average, the HSP Intake System delivers power, efficiency and air flow. The 4" mandrel-bent intake tube provides a free-flowing path for air. The specially designed heat-...
$403.75
Brand: Wehrli Custom Fabrication
Part Number: WCF100190
LB7 Duramax 4" Intake Kit for factory turbo.
Includes:
4" Intake
Dry Air Filter
Outerwear's Pre-Filter Cover
Silicone Boot
T-Bolt Clamps
Powder Coating
WCFAB part number: WCF100334
Wehrli Custom Powder Coating is housed under the same roof as Wehrli Custom Fa...
$509.25
Brand: Wehrli Custom Fabrication
Part Number: WCF100300
LB7 Stage 2 Intake Kit with turbo inlet horn for factory turbo.
Includes:
4" Intake
3-1/2" Intake Horn
Outerwear's Pre-Filter Cover
Air Filter Cover Silicone Boot
T-Bolt Clamps
Powder Coating
WCFAB part number: WCF100300
Old Part Number: WCF100636
Click he...
$600.43
Brand: Wehrli Custom Fabrication
Part Number: WCF100712
High-Flow Intake Bundle Package for 2001-2004 LB7 Duramax. Save $50 By Buying through this Bundle!
Includes:
3" Fabricated Y-Bridge
3" Cold Side Intercooler
3" Hot Side Intercooler Pipe
4" Intake
3-1/2" Intake Horn
Dry Air Filter
Outerwear's Pre-Filter C...
$1,964.25
Brand: Alliant Power
Part Number: AP55502
Alliant Power Reman Common Rail Injector for 2001-2004.5 GM 6.6L Duramax LB7 Engines
Alliant Powers remanufactured injectors are built for engines that demand the most out of their fuel systems in the toughest of conditions. Alliant Powers PN# AP55502 is the technicians choice when you want...
$220.27
Brand: Banks Power
Part Number: 486xx
Physical fitment.
Why consider a cheap, ill-fitting aluminized exhaust? Banks 4” Monster Exhaust is made of rugged, long-lasting 100% stainless steel. It fits better than the competition, because Monster Exhaust utilizes the factory hangers and maintains proper clearance to all under-vehicle comp...
$540.00
Brand: Diamond Eye
Part Number: K4110A
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive Sound
*Better Throttle Response
*Easy Bolt-On Kits
*Utilizes OEM Hangers
*1-Year Limited Warranty on Aluminized kits
*6-Year Limited Warranty on St...
$405.23
Brand: Diamond Eye
Part Number: K4110A-RP
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive Sound
*Better Throttle Response
*Easy Bolt-On Kits
*Utilizes OEM Hangers
*1-Year Limited Wa...
$347.57
Backordered
Brand: Diamond Eye
Part Number: K4110S
Backordered with No ETA (Updated on 6/3/2025)
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Aggressive Sound
*Better Throttle Response
*Easy Bolt-On Kits
*Utilizes OEM Hangers
*1-Year Limited ...
$478.75
Brand: Diamond Eye
Part Number: K4110S-RP
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive Sound
*Better Throttle Response
*Easy Bolt-On Kits
*Utilizes OEM Hangers
*1-Year Limited Wa...
$419.19
Brand: FloPro
Part Number: 823
Fits, GM Duramax Diesel 2001-2005 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually. Exclude Suburban.
With 4 Bolt Converter Flange and Gasket.
4" Mandrel bent tubing for maximum flow
Lower Exhaust Gas TemperaturesMore Pulling PowerUtilizes OEM HangersIncreased Horsepower and Torque
Eas...
$484.47
Brand: FloPro
Part Number: SS823
Fits, GM Duramax Diesel 2001-2005 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually. Exclude Suburban.
With 4 Bolt Converter Flange and Gasket.
4" Mandrel bent tubing for maximum flow
Lower Exhaust Gas TemperaturesMore Pulling PowerUtilizes OEM HangersIncreased Horsepower and Torque
Eas...
$609.40
Brand: Mahle
Part Number: 224-3451
Featuring a factory construction, the Mahle piston (standard, left bank) is an OEM replacement to your 2001-2005 GM 6.6L Duramax LB7/LLY. Each Mahle piston features a lightweight and expansion controlled design that maintains an OEM performance.FEATURES:LightweightQuality ConstructionApplication Not...
$93.92
Brand: Mahle
Part Number: 224-3452
Featuring a factory construction, the Mahle Piston (Standard, Right Bank) is an OEM replacement to your 2001-2005 GM 6.6L Duramax LB7/LLY. Each Mahle piston features a lightweight and expansion controlled design that maintains an OEM performance.FEATURES:LightweightQuality ConstructionApplication No...
$161.47
Brand: MBRP
Part Number: S6000AL
MBRP 2001-2005 6.6L Duramax Aluminized 4" Exhaust System, Cat/4 Bolt flange Back
Aluminized Installer Series, four-bolt flange back. Includes 4 Inch Inlet, 5 Inch Outlet Polished Stainless tip!
The Duramax has a refined toughness to it. MBRP Inc. Has left the refined part to General Motors, and ad...
$604.99
Brand: Banks Power
Part Number: 487xx
Banks' new Monster Sport Exhaust is one cool cat-back system! And its low price? That's way cool. The system slashes backpressure, increases exhaust flow, improves fuel economy and delivers extra power to your rear wheels. Exhaust tip optional.
4" constant-diameter cat-back exhaust system
Virtua...
$379.00
Brand: FloPro
Part Number: 820
Fits, GM Duramax Diesel 2001-2007 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually.
4" Mandrel bent tubing for maximum flow
Lower Exhaust Gas TemperaturesMore Pulling PowerUtilizes OEM HangersIncreased Horsepower and Torque
Easy Bolt-on Kits, "Everything you need"
Flo Pro part num...
$484.47
Brand: FloPro
Part Number: SS820
Fits, GM Duramax Diesel 2001-2007 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually.
4" Mandrel bent tubing for maximum flow
Lower Exhaust Gas TemperaturesMore Pulling PowerUtilizes OEM HangersIncreased Horsepower and Torque
Easy Bolt-on Kits, "Everything you need"
Flo Pro part number:...
$609.40
Brand: Pacific Performance Engineering
Part Number: 168030160
Have you noticed more engine noise or vibration on your Duramax truck? If so it could mean that your engine mounts have failed. We have utilized these mounts on some trucks that have come through our shop. Stock engine mounts fail over time as bushings deteriorate. This causes vibration and en...
$269.99
Brand: Pacific Performance Engineering
Part Number: 168030170
Have you noticed more engine noise or vibration on your Duramax truck? If so it could mean that your engine mounts have failed. We have utilized these mounts on some trucks that have come through our shop. Stock engine mounts fail over time as bushings deteriorate. This causes vibration and en...
$269.99
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: Banks Power
Part Number: 42135
Passes the test. Again and again.Others build and ship without testing. Not Banks. Our Ram-Air Intakes start out as CAD software prototypes and are put through flow simulations. The design is refined until the simulation shows optimal performance. Then a hardware prototype is made and the design is ...
$449.00
Brand: Bosch
Part Number: 0445120027
Bosch New Common Rail Injector for 2004-2005 GM 6.6L Duramax LLY Engines
When your hard working LLY Duramax engine needs new injectors, it deserves the OE injector to be put back into the engine to ensure a long life ahead of it. Bosch was the original OE supplier for this injector to GM wh...
$403.12
Brand: Bosch
Part Number: 0986435504
04.5-05 6.6L LLY Duramax Stock Replacement Bosch Reman InjectorDon't be fooled by knock-offs, cheap imitations, or remans these are Genuine Bosch injectors with a 12 month, unlimited mile warranty!This is a 2004-2005 LLY Duramax Diesel Bosch Fuel Injector, that has been remanufactured by the same co...
$326.86
Brand: DFC Diesel
Part Number: DFC6604505LLYLB
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.
Built for work trucks, daily drivers and the diesel enthusiast in mind these engines are a vast improvement from stock as they contain important ...
$9,005.56
Brand: Industrial Injection
Part Number: 0986437308DDSE
04.5-05 6.6L LLY Duramax REMAN 120% Modified CP3 Industrial Injection Reman pumps are a little different than others in the fact that we only use brand new Bosch OEM genuine parts inside our pumps. Everything internally as well as externally besides the case of the pumps is replaced, tested and...
$2,072.25
Brand: Industrial Injection
Part Number: 0986437308DFSE
04.5-05 6.6L LLY Duramax REMAN 85% Over CP3 Industrial Injection Reman pumps are a little different than others in the fact that we only use brand new Bosch OEM genuine parts inside our pumps. Everything internally as well as externally besides the case of the pumps is replaced, tested and cali...
$1,997.89
PDP Pick
Brand: S&B Filters
Part Number: 75-5102
Outflow the factory air intake system in your 2004.5-2005 GM 6.6L Duramax LLY with the S&B Filters 75-5102/75-5102D Cold Air Intake Kit with Cleanable Filter or Dry Filter. S&B Air Intake systems are engineered to give you an increase in airflow, providing you with a boost in horsepower, torque, and...
$349.00
Brand: Wehrli Custom Fabrication
Part Number: WCF100191
WCFab 4” Intake kits are designed to work with the factory turbocharger or upgraded “drop-in” style turbochargers. Using a high flow AFE dry type air filter for more air flow and better filtration over the factory unit this intake kit will provide more horsepower and torque. A...
$509.25
Brand: Wehrli Custom Fabrication
Part Number: WCF100301
WCFab 4” Stage 2 Intake kits are designed to work with the factory turbocharger or upgraded “drop-in” style turbochargers. Using a high flow AFE dry type air filter for more air flow and better filtration over the factory unit this intake kit will provide more horsepower and torque...
$775.03
Brand: Stainless Diesel
Part Number: 636655BLLY
LLY 63mm 5 Blade Mafia Drop-in turboBrand new turbocharger. Rated at 660hp. This turbo is an excellent choice for towing, daily driving, or competing in stock classes. This turbo has a very distinct whistle with the popular sound of the 5blade mafia compressor wheel and LOUD exhaust note of the turb...
$2,261.29
Brand: Stainless Diesel
Part Number: 65675BLLY
LLY 65mm 5 Blade Mafia Drop-in turboBrand new turbocharger. Rated at 725hp. This turbo is an excellent choice for towing, daily driving, or competing in stock classes. This turbo has a very distinct whistle with the popular sound of the 5blade mafia compressor wheel and LOUD exhaust note of the turb...
$2,322.00
Brand: HSP Diesel
Part Number: 202-HSP-xxx
Increase airflow while adding custom styling under the hood of your 2004.5-2005 GM 6.6L Duramax LLY with the HSP LLY Cold Air Intake. This 4" mandrel bent intake draws fresh are from the headlight bezel and fender port for a consistent and re-flowing path that out-performs other intakes on the ...
$403.75
PDP Pick
Brand: Fleece Performance
Part Number: FPE-VNT63-STREET
Upgrading to the Fleece Cheetah turbo on your LLY Duramax can offer several benefits depending on your goals and how you use your truck. Here are a few reasons why you might consider this upgrade:
Increased Performance: The Fleece Cheetah turbo is designed to enhance airflow more effici...
$2,599.00