Shop 6.6L Duramax LB7 Upgrades

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$567.99
$629.99
2001-2007 6.6L Duramax LBZ LLY LB7 Chevy Silverado/GMC Sierra Downpipe-Back Exhaust System Without Muffler 4" Enginego
EngineGo
$567.99
$629.99
2001-2007 6.6L Duramax LBZ LLY LB7 Chevy Silverado/GMC Sierra Downpipe-Back Exhaust System Without Muffler 4" Enginego
EngineGo
$999.99
$1,099.99
2001-2004.5 Duramax LB7 Injector Replacement Kit - Refurbished
InjectorsDirect.com
$999.99
$1,099.99
2001-2004.5 Duramax LB7 Injector Replacement Kit - Refurbished
InjectorsDirect.com
$699.99
$999.99
2001-2004.5 Duramax LB7 Injectors - Refurbished - Quantity: Full Set (8)
InjectorsDirect.com
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$699.99
$999.99
2001-2004.5 Duramax LB7 Injectors - Refurbished - Quantity: Full Set (8)
InjectorsDirect.com
$567.99
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6.6L Duramax LBZ LLY LB7 4" Downpipe-Back Exhaust For 2001-2007 Chevy Silverado/GMC Sierra
SuncentAuto
$567.99
$587.99
6.6L Duramax LBZ LLY LB7 4" Downpipe-Back Exhaust For 2001-2007 Chevy Silverado/GMC Sierra
SuncentAuto
$2,671.99
New Cylinder Heads ARP Studs Head Gasket Set Kit - Fits GM Chevy Chevrolet LB7 Duramax 6.6 6.6L Diesel 2001-2004 - DK Engine Parts (Cylinder Heads ARP
Amazon.com
Free shipping
$2,671.99
New Cylinder Heads ARP Studs Head Gasket Set Kit - Fits GM Chevy Chevrolet LB7 Duramax 6.6 6.6L Diesel 2001-2004 - DK Engine Parts (Cylinder Heads ARP
Amazon.com
$379.00
S&B Cold Air Intake For 01-04 Chevrolet Silverado GMC Sierra V8-6.6L LB7 Duramax Dry Extendable
Diesel Auto Power - July 7th 2025
$379.00
S&B Cold Air Intake For 01-04 Chevrolet Silverado GMC Sierra V8-6.6L LB7 Duramax Dry Extendable
Diesel Auto Power - July 7th 2025
$569.99
4'/5' Downpipe-Back 2001-2007 LBZ LLY LB7 6.6 Duramax DPF Delete Race Pipe | SPELAB, 4' Dp-Back+Free Exhaust Tip
spelabautoparts
$569.99
4'/5' Downpipe-Back 2001-2007 LBZ LLY LB7 6.6 Duramax DPF Delete Race Pipe | SPELAB, 4' Dp-Back+Free Exhaust Tip
spelabautoparts
$649.00
Fleece Performance Powerflo Lift Pump Assembly Compatible With 01-04 GM 2500HD/3500HD 6.6 LB7 Duramax
Amazon.com
Free shipping
$649.00
Fleece Performance Powerflo Lift Pump Assembly Compatible With 01-04 GM 2500HD/3500HD 6.6 LB7 Duramax
Amazon.com
$53.20
Ppe Lb7 Fuel Rail Mount Kit For Lbz Intake Upgrade 01-05 Duramax 6.6L
eBay
Free shipping
$53.20
Ppe Lb7 Fuel Rail Mount Kit For Lbz Intake Upgrade 01-05 Duramax 6.6L
eBay
$1,054.99
01-04 GM 6.6L LB7 Duramax Diamond T Reman FICM Fuel Injection Control Module
Pure Diesel Power
$1,054.99
01-04 GM 6.6L LB7 Duramax Diamond T Reman FICM Fuel Injection Control Module
Pure Diesel Power
$799.95
Tracktech Complete Top-End Cylinder Head Gasket / Studs Service Kit For 2001-2004 Chevrolet 6.6L LB7 Duramax TTD0104TK221
ProSource Diesel
$799.95
Tracktech Complete Top-End Cylinder Head Gasket / Studs Service Kit For 2001-2004 Chevrolet 6.6L LB7 Duramax TTD0104TK221
ProSource Diesel
$365.00
Diesel Auto Power New Injector For LB7 Duramax
Diesel Auto Power - July 7th 2025
$365.00
Diesel Auto Power New Injector For LB7 Duramax
Diesel Auto Power - July 7th 2025
$66.46
6.6L LB7 Duramax Fuel Filter Housing Fit For 2001-2004 Chevy Silverado/GMC Sierra 2500 HD 3500 Diesel Engine. Replaces 97780061
Amazon.com
Free shipping
$66.46
6.6L LB7 Duramax Fuel Filter Housing Fit For 2001-2004 Chevy Silverado/GMC Sierra 2500 HD 3500 Diesel Engine. Replaces 97780061
Amazon.com
$1,899.00
Chevrolet GMC Duramax LB7, 6.6L Fuel Injector Package 2001-2004: OEM 97729095 ( Set Of 8 ) - Tamerx 0986435502Set
TamerX
$1,899.00
Chevrolet GMC Duramax LB7, 6.6L Fuel Injector Package 2001-2004: OEM 97729095 ( Set Of 8 ) - Tamerx 0986435502Set
TamerX
$779.99
01-04 GM 6.6L LB7 Duramax DHD High Flow Lo-Pro Manifold And Up Pipe Bundle
Pure Diesel Power
$779.99
01-04 GM 6.6L LB7 Duramax DHD High Flow Lo-Pro Manifold And Up Pipe Bundle
Pure Diesel Power
$159.95
2001-2004.5 6.6L Lb7 Duramax Turbocharger Performance Upgrade Billet
eBay
Free shipping
$159.95
2001-2004.5 6.6L Lb7 Duramax Turbocharger Performance Upgrade Billet
eBay
$379.00
S&B Cold Air Intake For 2001-2004 Chevy / Gmc Duramax Lb7 6.6L (75-5101D)
Down East Offroad Inc.
1
$379.00
S&B Cold Air Intake For 2001-2004 Chevy / Gmc Duramax Lb7 6.6L (75-5101D)
Down East Offroad Inc.
6.6L Duramax LB7 Rebuild Part 3
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6.6L Duramax LB7 Rebuild Part 3
Aug 14, 2018
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Duramax LB7 Engine Installation Process Explained
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Duramax LB7, LLY, LBZ, LMM, LML, L5P Explained!
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YouTubeDuramaxtuner
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Shop 6.6L Duramax LB7 Upgrades

Sponsored
About our ads
$567.99
$629.99
2001-2007 6.6L Duramax LBZ LLY LB7 Chevy Silverado/GMC Sierra Downpipe-Back Exhaust System Without Muffler 4" Enginego
EngineGo
$567.99
$629.99
2001-2007 6.6L Duramax LBZ LLY LB7 Chevy Silverado/GMC Sierra Downpipe-Back Exhaust System Without Muffler 4" Enginego
EngineGo
$999.99
$1,099.99
2001-2004.5 Duramax LB7 Injector Replacement Kit - Refurbished
InjectorsDirect.com
$999.99
$1,099.99
2001-2004.5 Duramax LB7 Injector Replacement Kit - Refurbished
InjectorsDirect.com
$699.99
$999.99
2001-2004.5 Duramax LB7 Injectors - Refurbished - Quantity: Full Set (8)
InjectorsDirect.com
30% off
$699.99
$999.99
2001-2004.5 Duramax LB7 Injectors - Refurbished - Quantity: Full Set (8)
InjectorsDirect.com
$567.99
$587.99
6.6L Duramax LBZ LLY LB7 4" Downpipe-Back Exhaust For 2001-2007 Chevy Silverado/GMC Sierra
SuncentAuto
$567.99
$587.99
6.6L Duramax LBZ LLY LB7 4" Downpipe-Back Exhaust For 2001-2007 Chevy Silverado/GMC Sierra
SuncentAuto
$2,671.99
New Cylinder Heads ARP Studs Head Gasket Set Kit - Fits GM Chevy Chevrolet LB7 Duramax 6.6 6.6L Diesel 2001-2004 - DK Engine Parts (Cylinder Heads ARP
Amazon.com
Free shipping
$2,671.99
New Cylinder Heads ARP Studs Head Gasket Set Kit - Fits GM Chevy Chevrolet LB7 Duramax 6.6 6.6L Diesel 2001-2004 - DK Engine Parts (Cylinder Heads ARP
Amazon.com
$379.00
S&B Cold Air Intake For 01-04 Chevrolet Silverado GMC Sierra V8-6.6L LB7 Duramax Dry Extendable
Diesel Auto Power - July 7th 2025
$379.00
S&B Cold Air Intake For 01-04 Chevrolet Silverado GMC Sierra V8-6.6L LB7 Duramax Dry Extendable
Diesel Auto Power - July 7th 2025
$569.99
4'/5' Downpipe-Back 2001-2007 LBZ LLY LB7 6.6 Duramax DPF Delete Race Pipe | SPELAB, 4' Dp-Back+Free Exhaust Tip
spelabautoparts
$569.99
4'/5' Downpipe-Back 2001-2007 LBZ LLY LB7 6.6 Duramax DPF Delete Race Pipe | SPELAB, 4' Dp-Back+Free Exhaust Tip
spelabautoparts
$649.00
Fleece Performance Powerflo Lift Pump Assembly Compatible With 01-04 GM 2500HD/3500HD 6.6 LB7 Duramax
Amazon.com
Free shipping
$649.00
Fleece Performance Powerflo Lift Pump Assembly Compatible With 01-04 GM 2500HD/3500HD 6.6 LB7 Duramax
Amazon.com
$53.20
Ppe Lb7 Fuel Rail Mount Kit For Lbz Intake Upgrade 01-05 Duramax 6.6L
eBay
Free shipping
$53.20
Ppe Lb7 Fuel Rail Mount Kit For Lbz Intake Upgrade 01-05 Duramax 6.6L
eBay
$1,054.99
01-04 GM 6.6L LB7 Duramax Diamond T Reman FICM Fuel Injection Control Module
Pure Diesel Power
$1,054.99
01-04 GM 6.6L LB7 Duramax Diamond T Reman FICM Fuel Injection Control Module
Pure Diesel Power
$799.95
Tracktech Complete Top-End Cylinder Head Gasket / Studs Service Kit For 2001-2004 Chevrolet 6.6L LB7 Duramax TTD0104TK221
ProSource Diesel
$799.95
Tracktech Complete Top-End Cylinder Head Gasket / Studs Service Kit For 2001-2004 Chevrolet 6.6L LB7 Duramax TTD0104TK221
ProSource Diesel
$365.00
Diesel Auto Power New Injector For LB7 Duramax
Diesel Auto Power - July 7th 2025
$365.00
Diesel Auto Power New Injector For LB7 Duramax
Diesel Auto Power - July 7th 2025
$66.46
6.6L LB7 Duramax Fuel Filter Housing Fit For 2001-2004 Chevy Silverado/GMC Sierra 2500 HD 3500 Diesel Engine. Replaces 97780061
Amazon.com
Free shipping
$66.46
6.6L LB7 Duramax Fuel Filter Housing Fit For 2001-2004 Chevy Silverado/GMC Sierra 2500 HD 3500 Diesel Engine. Replaces 97780061
Amazon.com
$1,899.00
Chevrolet GMC Duramax LB7, 6.6L Fuel Injector Package 2001-2004: OEM 97729095 ( Set Of 8 ) - Tamerx 0986435502Set
TamerX
$1,899.00
Chevrolet GMC Duramax LB7, 6.6L Fuel Injector Package 2001-2004: OEM 97729095 ( Set Of 8 ) - Tamerx 0986435502Set
TamerX
$779.99
01-04 GM 6.6L LB7 Duramax DHD High Flow Lo-Pro Manifold And Up Pipe Bundle
Pure Diesel Power
$779.99
01-04 GM 6.6L LB7 Duramax DHD High Flow Lo-Pro Manifold And Up Pipe Bundle
Pure Diesel Power
$159.95
2001-2004.5 6.6L Lb7 Duramax Turbocharger Performance Upgrade Billet
eBay
Free shipping
$159.95
2001-2004.5 6.6L Lb7 Duramax Turbocharger Performance Upgrade Billet
eBay
$379.00
S&B Cold Air Intake For 2001-2004 Chevy / Gmc Duramax Lb7 6.6L (75-5101D)
Down East Offroad Inc.
1
$379.00
S&B Cold Air Intake For 2001-2004 Chevy / Gmc Duramax Lb7 6.6L (75-5101D)
Down East Offroad Inc.
$2,324.99
01-04 GM 6.6L LB7 Duramax Diamond T NEW Fuel Injection Control Module (FICM)
Pure Diesel Power
$2,324.99
01-04 GM 6.6L LB7 Duramax Diamond T NEW Fuel Injection Control Module (FICM)
Pure Diesel Power