Shop 05 LLY Upgrades

Sponsored
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$117.77
EGR Delete Kit For LLY 2004-2005 6.6L Duramax With High Flow Intake, Black/With Intake
Spetuner
$117.77
EGR Delete Kit For LLY 2004-2005 6.6L Duramax With High Flow Intake, Black/With Intake
Spetuner
$69.99
2004-2005 6.6L Duramax LLY Diesel EGR Delete Kit | Seguler
Seguler
$69.99
2004-2005 6.6L Duramax LLY Diesel EGR Delete Kit | Seguler
Seguler
$437.75
EGR Delete+Downpipe+Uppipe For L5P LML LMM LBZ LLY 2004.5+ 6.6L Duramax Diesel, LLY(W/Intake) / Sliver / 01-16/Dual Side
Spetuner
$437.75
EGR Delete+Downpipe+Uppipe For L5P LML LMM LBZ LLY 2004.5+ 6.6L Duramax Diesel, LLY(W/Intake) / Sliver / 01-16/Dual Side
Spetuner
$1,399.99
$1,499.99
2004.5-2005 Duramax LLY Injector Replacement Kit - Refurbished
InjectorsDirect.com
$1,399.99
$1,499.99
2004.5-2005 Duramax LLY Injector Replacement Kit - Refurbished
InjectorsDirect.com
$881.09
EFI Live Duramax Tuning | GM Duramax 6.6L 2001-2016 GM Duramax LLY (2004.5-2005)
Tuner Depot
$881.09
EFI Live Duramax Tuning | GM Duramax 6.6L 2001-2016 GM Duramax LLY (2004.5-2005)
Tuner Depot
$1,199.00
Fleece Performance FPE-61-10002-D 2004.5-2005 Factory LLY Duramax
Tameless Performance
$1,199.00
Fleece Performance FPE-61-10002-D 2004.5-2005 Factory LLY Duramax
Tameless Performance
$1,225.95
Allison Valve Body Chevy LLY Duramax 2004-2006 - TAMELESS PERFORMANCE
Tameless Performance
$1,225.95
Allison Valve Body Chevy LLY Duramax 2004-2006 - TAMELESS PERFORMANCE
Tameless Performance
$268.70
Fleece Performance Engineering FPE-TL-LB7-LLY Transmission Cooler Line (01-05 GM Duramax 6.6L LB7 / LLY Allison)
Amazon.com
32
Free shipping
$268.70
Fleece Performance Engineering FPE-TL-LB7-LLY Transmission Cooler Line (01-05 GM Duramax 6.6L LB7 / LLY Allison)
Amazon.com
$108.77
$117.77
2004.5-2005 6.6L Duramax LLY Chevy Silverado GMC Sierra 2500 3500 HD EGR Delete Kit With High Flow Intake Elbow Enginego
EngineGo
$108.77
$117.77
2004.5-2005 6.6L Duramax LLY Chevy Silverado GMC Sierra 2500 3500 HD EGR Delete Kit With High Flow Intake Elbow Enginego
EngineGo
$6,473.57
ATS Allison LCT1000 Transmission Package 2WD 2001-2019 6.6L LB7 LLY 2004.5-2005 / STAGE 2 / NONE
Tameless Performance
$6,473.57
ATS Allison LCT1000 Transmission Package 2WD 2001-2019 6.6L LB7 LLY 2004.5-2005 / STAGE 2 / NONE
Tameless Performance
$8,576.95
ATS Allison LCT1000 Transmission Package 4WD 2001-2019 6.6L LB7 LLY 2001-2002 / Stage 5 / None
Tameless Performance
$8,576.95
ATS Allison LCT1000 Transmission Package 4WD 2001-2019 6.6L LB7 LLY 2001-2002 / Stage 5 / None
Tameless Performance
$192.59
Ppe Lly 04.5-05 Silicone Clamp Kit Black 5-Ply Diesel High Temp Uv
eBay
Free shipping
$192.59
Ppe Lly 04.5-05 Silicone Clamp Kit Black 5-Ply Diesel High Temp Uv
eBay
$498.95
$549.00
Mishimoto Transmission Cooler, Fits Chevrolet/GMC Allison Transmission (LB7/LLY) 2003-2005 MMTC-DMAX-03SL
Mishimoto Automotive
62
$498.95
$549.00
Mishimoto Transmission Cooler, Fits Chevrolet/GMC Allison Transmission (LB7/LLY) 2003-2005 MMTC-DMAX-03SL
Mishimoto Automotive
$800.25
04.5-05 LLY Duramax WCFAB 4" Stage 2 Custom Cold Air Intake
Pure Diesel Power
$800.25
04.5-05 LLY Duramax WCFAB 4" Stage 2 Custom Cold Air Intake
Pure Diesel Power
$419.00
04.5-05 GM 6.6L LLY Duramax Dan's Diesel Stage 1 Fabricated 4" Cold Air Intake
Pure Diesel Power
$419.00
04.5-05 GM 6.6L LLY Duramax Dan's Diesel Stage 1 Fabricated 4" Cold Air Intake
Pure Diesel Power
$5,363.95
ATS Allison LCT1000 Transmission Package 4WD 2001-2019 6.6L LB7 LLY 2007.5-2010 / Stage 1 / With PTO
Tameless Performance
$5,363.95
ATS Allison LCT1000 Transmission Package 4WD 2001-2019 6.6L LB7 LLY 2007.5-2010 / Stage 1 / With PTO
Tameless Performance
$229.99
FOMIUZY Front Catalytic Converter Kit Direct-Fit Chevy Silverado GMC Sierra 1500 1999 2000 2001 2002 2003 2004 2005 2006 Avalanche Suburban Tahoe
Amazon.com
73
Free shipping
$229.99
FOMIUZY Front Catalytic Converter Kit Direct-Fit Chevy Silverado GMC Sierra 1500 1999 2000 2001 2002 2003 2004 2005 2006 Avalanche Suburban Tahoe
Amazon.com
$489.00
Fleece Performance FPE-FL-DMAX-LLY-SET: Fleece Performance High-Pressure Fuel Lines
Summit Racing
Free shipping
$489.00
Fleece Performance FPE-FL-DMAX-LLY-SET: Fleece Performance High-Pressure Fuel Lines
Summit Racing
$449.99
Ppe Replacement High Flow Up Pipes 2004.5 To 2005 6.6L Lly Duramax
Blessed Performance
$449.99
Ppe Replacement High Flow Up Pipes 2004.5 To 2005 6.6L Lly Duramax
Blessed Performance
$2,749.95
2004-2005 Duramax LLY Dual Cp3 Kit W/Pump
Industrial Injection Diesel Performance
$2,749.95
2004-2005 Duramax LLY Dual Cp3 Kit W/Pump
Industrial Injection Diesel Performance
$441.75
04.5-06 LLY Duramax HSP Custom Cold Air Intake
Pure Diesel Power
$441.75
04.5-06 LLY Duramax HSP Custom Cold Air Intake
Pure Diesel Power
$349.95
$385.00
Mishimoto Transmission Cooler Line Kit, Fits Chevrolet/GMC 6.6L Duramax (LB7/LLY) 2001-2005 MMTCL-DMAX-01
Mishimoto Automotive
$349.95
$385.00
Mishimoto Transmission Cooler Line Kit, Fits Chevrolet/GMC 6.6L Duramax (LB7/LLY) 2001-2005 MMTCL-DMAX-01
Mishimoto Automotive
$5,256.00
Exergy Performance 2004.5-2005 LLY Duramax New Fuel Injectors - Set Of 100% Over
Tameless Performance
$5,256.00
Exergy Performance 2004.5-2005 LLY Duramax New Fuel Injectors - Set Of 100% Over
Tameless Performance
$2,399.95
Industrial Injection 2004.5-2005 LLY Duramax NEW Premium Stock Plus Cylinder Heads (RH & LH Set)
Industrial Injection Diesel Performance
$2,399.95
Industrial Injection 2004.5-2005 LLY Duramax NEW Premium Stock Plus Cylinder Heads (RH & LH Set)
Industrial Injection Diesel Performance
$379.00
04.5-05 GM LLY Duramax S&B Cold Air Intake Kit
Pure Diesel Power
2K+
$379.00
04.5-05 GM LLY Duramax S&B Cold Air Intake Kit
Pure Diesel Power
$899.99
04-05 GM 6.6L LLY Duramax Diamond T Engine Control Module (ECM)
Pure Diesel Power
$899.99
04-05 GM 6.6L LLY Duramax Diamond T Engine Control Module (ECM)
Pure Diesel Power
$1,299.95
2004 - 2005 Duramax LLY Dual Cp3 Kit (W/O Pump)
Industrial Injection Diesel Performance
$1,299.95
2004 - 2005 Duramax LLY Dual Cp3 Kit (W/O Pump)
Industrial Injection Diesel Performance
$450.00
04.5-07 GM LLY And LBZ 6.6L Duramax KC Balanced Assembly DIY Turbo Kit
Pure Diesel Power
$450.00
04.5-07 GM LLY And LBZ 6.6L Duramax KC Balanced Assembly DIY Turbo Kit
Pure Diesel Power
$112.50
04.5-05 GM 6.6L LLY Duramax BTR Fuel Injector Harness Upgrade Kit
Pure Diesel Power
$112.50
04.5-05 GM 6.6L LLY Duramax BTR Fuel Injector Harness Upgrade Kit
Pure Diesel Power
$132.05
04.5-05 GM Kodiak/Topkick 6.6L Duramax LLY Dorman Glow Plug Relay Module
Pure Diesel Power
$132.05
04.5-05 GM Kodiak/Topkick 6.6L Duramax LLY Dorman Glow Plug Relay Module
Pure Diesel Power
$664.05
04.5-05 LLY Duramax HSP Max Flow Bridge
Pure Diesel Power
$664.05
04.5-05 LLY Duramax HSP Max Flow Bridge
Pure Diesel Power
$75.88
2004-2005 6.6L LLY Chevy GMC Silverado 2500HD EGR Delete Kit & High Flow Intake Duramax Diesel
jcarpart.com
$75.88
2004-2005 6.6L LLY Chevy GMC Silverado 2500HD EGR Delete Kit & High Flow Intake Duramax Diesel
jcarpart.com
$252.00
04.5-05 LLY 6.6L Duramax Exergy Performance Rail Pressure Sensor
Pure Diesel Power
$252.00
04.5-05 LLY 6.6L Duramax Exergy Performance Rail Pressure Sensor
Pure Diesel Power
$2,174.99
04-05 GM 6.6L LLY Duramax Diamond T REMAN FICM Fuel Injection Control Module
Pure Diesel Power
$2,174.99
04-05 GM 6.6L LLY Duramax Diamond T REMAN FICM Fuel Injection Control Module
Pure Diesel Power
$484.00
03-05 GM 6.6L LB7 + LLY Duramax Randy's Fluidyne Heavy Duty Transmission Cooler
Pure Diesel Power
$484.00
03-05 GM 6.6L LB7 + LLY Duramax Randy's Fluidyne Heavy Duty Transmission Cooler
Pure Diesel Power
$189.00
04.5-10 GM LLY/ LBZ/ LMM 6.6L Duramax Banks Boost Tube Upgrade Kit (Driver Side)
Pure Diesel Power
$189.00
04.5-10 GM LLY/ LBZ/ LMM 6.6L Duramax Banks Boost Tube Upgrade Kit (Driver Side)
Pure Diesel Power
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Shop 05 LLY Upgrades

Sponsored
About our ads
$117.77
EGR Delete Kit For LLY 2004-2005 6.6L Duramax With High Flow Intake, Black/With Intake
Spetuner
$117.77
EGR Delete Kit For LLY 2004-2005 6.6L Duramax With High Flow Intake, Black/With Intake
Spetuner
$69.99
2004-2005 6.6L Duramax LLY Diesel EGR Delete Kit | Seguler
Seguler
$69.99
2004-2005 6.6L Duramax LLY Diesel EGR Delete Kit | Seguler
Seguler
$437.75
EGR Delete+Downpipe+Uppipe For L5P LML LMM LBZ LLY 2004.5+ 6.6L Duramax Diesel, LLY(W/Intake) / Sliver / 01-16/Dual Side
Spetuner
$437.75
EGR Delete+Downpipe+Uppipe For L5P LML LMM LBZ LLY 2004.5+ 6.6L Duramax Diesel, LLY(W/Intake) / Sliver / 01-16/Dual Side
Spetuner
$1,399.99
$1,499.99
2004.5-2005 Duramax LLY Injector Replacement Kit - Refurbished
InjectorsDirect.com
$1,399.99
$1,499.99
2004.5-2005 Duramax LLY Injector Replacement Kit - Refurbished
InjectorsDirect.com
$881.09
EFI Live Duramax Tuning | GM Duramax 6.6L 2001-2016 GM Duramax LLY (2004.5-2005)
Tuner Depot
$881.09
EFI Live Duramax Tuning | GM Duramax 6.6L 2001-2016 GM Duramax LLY (2004.5-2005)
Tuner Depot
$1,199.00
Fleece Performance FPE-61-10002-D 2004.5-2005 Factory LLY Duramax
Tameless Performance
$1,199.00
Fleece Performance FPE-61-10002-D 2004.5-2005 Factory LLY Duramax
Tameless Performance
$1,225.95
Allison Valve Body Chevy LLY Duramax 2004-2006 - TAMELESS PERFORMANCE
Tameless Performance
$1,225.95
Allison Valve Body Chevy LLY Duramax 2004-2006 - TAMELESS PERFORMANCE
Tameless Performance
$268.70
Fleece Performance Engineering FPE-TL-LB7-LLY Transmission Cooler Line (01-05 GM Duramax 6.6L LB7 / LLY Allison)
Amazon.com
32
Free shipping
$268.70
Fleece Performance Engineering FPE-TL-LB7-LLY Transmission Cooler Line (01-05 GM Duramax 6.6L LB7 / LLY Allison)
Amazon.com
$108.77
$117.77
2004.5-2005 6.6L Duramax LLY Chevy Silverado GMC Sierra 2500 3500 HD EGR Delete Kit With High Flow Intake Elbow Enginego
EngineGo
$108.77
$117.77
2004.5-2005 6.6L Duramax LLY Chevy Silverado GMC Sierra 2500 3500 HD EGR Delete Kit With High Flow Intake Elbow Enginego
EngineGo
$6,473.57
ATS Allison LCT1000 Transmission Package 2WD 2001-2019 6.6L LB7 LLY 2004.5-2005 / STAGE 2 / NONE
Tameless Performance
$6,473.57
ATS Allison LCT1000 Transmission Package 2WD 2001-2019 6.6L LB7 LLY 2004.5-2005 / STAGE 2 / NONE
Tameless Performance
$8,576.95
ATS Allison LCT1000 Transmission Package 4WD 2001-2019 6.6L LB7 LLY 2001-2002 / Stage 5 / None
Tameless Performance
$8,576.95
ATS Allison LCT1000 Transmission Package 4WD 2001-2019 6.6L LB7 LLY 2001-2002 / Stage 5 / None
Tameless Performance
$192.59
Ppe Lly 04.5-05 Silicone Clamp Kit Black 5-Ply Diesel High Temp Uv
eBay
Free shipping
$192.59
Ppe Lly 04.5-05 Silicone Clamp Kit Black 5-Ply Diesel High Temp Uv
eBay
$498.95
$549.00
Mishimoto Transmission Cooler, Fits Chevrolet/GMC Allison Transmission (LB7/LLY) 2003-2005 MMTC-DMAX-03SL
Mishimoto Automotive
62
$498.95
$549.00
Mishimoto Transmission Cooler, Fits Chevrolet/GMC Allison Transmission (LB7/LLY) 2003-2005 MMTC-DMAX-03SL
Mishimoto Automotive
$800.25
04.5-05 LLY Duramax WCFAB 4" Stage 2 Custom Cold Air Intake
Pure Diesel Power
$800.25
04.5-05 LLY Duramax WCFAB 4" Stage 2 Custom Cold Air Intake
Pure Diesel Power
$419.00
04.5-05 GM 6.6L LLY Duramax Dan's Diesel Stage 1 Fabricated 4" Cold Air Intake
Pure Diesel Power
$419.00
04.5-05 GM 6.6L LLY Duramax Dan's Diesel Stage 1 Fabricated 4" Cold Air Intake
Pure Diesel Power
$5,363.95
ATS Allison LCT1000 Transmission Package 4WD 2001-2019 6.6L LB7 LLY 2007.5-2010 / Stage 1 / With PTO
Tameless Performance
$5,363.95
ATS Allison LCT1000 Transmission Package 4WD 2001-2019 6.6L LB7 LLY 2007.5-2010 / Stage 1 / With PTO
Tameless Performance
$229.99
FOMIUZY Front Catalytic Converter Kit Direct-Fit Chevy Silverado GMC Sierra 1500 1999 2000 2001 2002 2003 2004 2005 2006 Avalanche Suburban Tahoe
Amazon.com
73
Free shipping
$229.99
FOMIUZY Front Catalytic Converter Kit Direct-Fit Chevy Silverado GMC Sierra 1500 1999 2000 2001 2002 2003 2004 2005 2006 Avalanche Suburban Tahoe
Amazon.com
$489.00
Fleece Performance FPE-FL-DMAX-LLY-SET: Fleece Performance High-Pressure Fuel Lines
Summit Racing
Free shipping
$489.00
Fleece Performance FPE-FL-DMAX-LLY-SET: Fleece Performance High-Pressure Fuel Lines
Summit Racing