Shop 05 LLY Upgrades

Sponsored
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$795.00
2004-05 Duramax 6.6L LLY ECM 12244189
Diesel ECM
38% off
$795.00
2004-05 Duramax 6.6L LLY ECM 12244189
Diesel ECM
$120.00
Best LLY EGR Delete Kit | 2004-2005 6.6L Chevy GMC Silverado(Upgraded), Black
Flashark
$120.00
Best LLY EGR Delete Kit | 2004-2005 6.6L Chevy GMC Silverado(Upgraded), Black
Flashark
$110.00
Best LLY EGR Delete Kit | 2004-2005 6.6L Chevy GMC Silverado(Upgraded), Blue
Flashark
$110.00
Best LLY EGR Delete Kit | 2004-2005 6.6L Chevy GMC Silverado(Upgraded), Blue
Flashark
$1,199.00
Fleece Performance Freedom Series Passenger Cylinder Head 04.5-05 6.6L GM Duramax LLY
Diesel Power Products
$1,199.00
Fleece Performance Freedom Series Passenger Cylinder Head 04.5-05 6.6L GM Duramax LLY
Diesel Power Products
$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
$1,199.00
Fleece Performance FPE-61-10002-P 2004.5-2005 Factory LLY Duramax
Tameless Performance
$1,199.00
Fleece Performance FPE-61-10002-P 2004.5-2005 Factory LLY Duramax
Tameless Performance
$82.99
2004.5-2005 6.6L Duramax LLY High Flow Turbo Intake Elbow | Seguler
Seguler
$82.99
2004.5-2005 6.6L Duramax LLY High Flow Turbo Intake Elbow | Seguler
Seguler
$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
$1,275.00
LLY Duramax Injectors Set For 2004.5-05 Chevrolet GMC Duramax (LLY Duramax Injectors: 97303657, 97780144)
Diesel Care and Performance
20% off
$1,275.00
LLY Duramax Injectors Set For 2004.5-05 Chevrolet GMC Duramax (LLY Duramax Injectors: 97303657, 97780144)
Diesel Care and Performance
$489.00
Fleece Performance Injection Line Set 04.5-05 GM 6.6L Duramax LLY
Diesel Power Products
$489.00
Fleece Performance Injection Line Set 04.5-05 GM 6.6L Duramax LLY
Diesel Power Products
$1,459.00
Banks Power Techni-Cooler Intercooler System 04.5-05 6.6L LLY GM Duramax
Diesel Power Products
10
$1,459.00
Banks Power Techni-Cooler Intercooler System 04.5-05 6.6L LLY GM Duramax
Diesel Power Products
$455.79
Diamond Eye 4" Aluminized Cat-Back Single 04.5-05 6.6L LLY Duramax K4110A Straight Pipe
Diesel Power Products
17
$455.79
Diamond Eye 4" Aluminized Cat-Back Single 04.5-05 6.6L LLY Duramax K4110A Straight Pipe
Diesel Power Products
$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
$2,100.00
Premium LLY Fuel System Resurrection Kit For 6.6L Chevrolet GMC Duramax 2004.5-2005
Diesel Care and Performance
$2,100.00
Premium LLY Fuel System Resurrection Kit For 6.6L Chevrolet GMC Duramax 2004.5-2005
Diesel Care and Performance
$2,399.95
2004.5-2005 LLY Stock New Duramax Heads
Industrial Injection Diesel Performance
$2,399.95
2004.5-2005 LLY Stock New Duramax Heads
Industrial Injection Diesel Performance
$679.82
Diamond Eye 4" Aluminized Cat-Back Single Outlet Exhaust With Turbo Direct Pipe 04.5-05 LLY Duramax Straight Pipe
Diesel Power Products
$679.82
Diamond Eye 4" Aluminized Cat-Back Single Outlet Exhaust With Turbo Direct Pipe 04.5-05 LLY Duramax Straight Pipe
Diesel Power Products
$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
$1,560.00
Turbo For 2004.5 - 2005 LLY 6.6L Chevrolet GMC Duramax
Diesel Care and Performance
$1,560.00
Turbo For 2004.5 - 2005 LLY 6.6L Chevrolet GMC Duramax
Diesel Care and Performance
$99.95
Injector Harness Upgrade For 2004.5-2005 Chevrolet 6.6L LLY Duramax 98017958
ProSource Diesel
$99.95
Injector Harness Upgrade For 2004.5-2005 Chevrolet 6.6L LLY Duramax 98017958
ProSource Diesel
$7,809.99
ATS Stage 3 Transmission Package 04.5-05 6.6L GM Duramax LLY Four Wheel Drive
Diesel Power Products
$7,809.99
ATS Stage 3 Transmission Package 04.5-05 6.6L GM Duramax LLY Four Wheel Drive
Diesel Power Products
$5,794.99
ATS Stage 1 Transmission Package 04.5-05 6.6L GM Duramax LLY 2WD / Without PTO
Diesel Power Products
$5,794.99
ATS Stage 1 Transmission Package 04.5-05 6.6L GM Duramax LLY 2WD / Without PTO
Diesel Power Products
$2,199.00
Premium Injector Kit For 2004.5 - 2005 LLY 6.6L Chevrolet GMC Duramax
Diesel Care and Performance
10% off
$2,199.00
Premium Injector Kit For 2004.5 - 2005 LLY 6.6L Chevrolet GMC Duramax
Diesel Care and Performance
$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
$6,994.99
ATS Stage 2 Transmission Package 04.5-05 6.6L GM Duramax LLY Two Wheel Drive
Diesel Power Products
$6,994.99
ATS Stage 2 Transmission Package 04.5-05 6.6L GM Duramax LLY Two Wheel Drive
Diesel Power Products
$2,550.00
Premium 150K Mileage Maintenance Kit For 2004.5-2005 LLY 6.6L Chevrolet GMC Duramax
Diesel Care and Performance
20% off
$2,550.00
Premium 150K Mileage Maintenance Kit For 2004.5-2005 LLY 6.6L Chevrolet GMC Duramax
Diesel Care and Performance
$145.55
2004.5-2010 6.6 LLY LBZ LMM Duramax Diesel Hot Side Intercooler Pipe Kit
vipih.com
$145.55
2004.5-2010 6.6 LLY LBZ LMM Duramax Diesel Hot Side Intercooler Pipe Kit
vipih.com
$1,234.80
S&S Diesel Injector Nozzles For Duramax LLY 2004.5-2005 - TAMELESS 80% Over LLY Nozzle Set
Tameless Performance
$1,234.80
S&S Diesel Injector Nozzles For Duramax LLY 2004.5-2005 - TAMELESS 80% Over LLY Nozzle Set
Tameless Performance
$397.95
BD-Power Intake Hose And Clamp Kit 04.5-05 LLY Duramax
Diesel Power Products
$397.95
BD-Power Intake Hose And Clamp Kit 04.5-05 LLY Duramax
Diesel Power Products
$1,643.59
GM Duramax 6.6L LLY New Pair Cylinder Heads Loaded With Valve Train- 2004.5-2005
eBay
Free shipping
$1,643.59
GM Duramax 6.6L LLY New Pair Cylinder Heads Loaded With Valve Train- 2004.5-2005
eBay
$340.00
HPS High Temp Reinforced Silicone Intercooler Boot Kit 04.5-05 GM 6.6L Duramax LLY Black
Diesel Power Products
$340.00
HPS High Temp Reinforced Silicone Intercooler Boot Kit 04.5-05 GM 6.6L Duramax LLY Black
Diesel Power Products
$449.00
Banks Power Ram-Air Intake 04.5-05 6.6L Duramax LLY Oiled Filter
Diesel Power Products
30
$449.00
Banks Power Ram-Air Intake 04.5-05 6.6L Duramax LLY Oiled Filter
Diesel Power Products
$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
$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
$190.15
Duramax 2004.5-2005 LLY GM Replacement FCA
Industrial Injection Diesel Performance
$190.15
Duramax 2004.5-2005 LLY GM Replacement FCA
Industrial Injection Diesel Performance
$474.99
04.5-05 LLY DURAMAX 6.6L ENGINE KIT- GASKET SET, PUSHRODS, VALVE SEALS & GP
eBay
Free shipping
$474.99
04.5-05 LLY DURAMAX 6.6L ENGINE KIT- GASKET SET, PUSHRODS, VALVE SEALS & GP
eBay
$499.00
04.5-05 LLY Duramax Diesel Injector Nozzles Set Brand NEW Fits 2004.5- 2005
eBay
Free shipping
$499.00
04.5-05 LLY Duramax Diesel Injector Nozzles Set Brand NEW Fits 2004.5- 2005
eBay
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Shop 05 LLY Upgrades

Sponsored
About our ads
$795.00
2004-05 Duramax 6.6L LLY ECM 12244189
Diesel ECM
38% off
$795.00
2004-05 Duramax 6.6L LLY ECM 12244189
Diesel ECM
$120.00
Best LLY EGR Delete Kit | 2004-2005 6.6L Chevy GMC Silverado(Upgraded), Black
Flashark
$120.00
Best LLY EGR Delete Kit | 2004-2005 6.6L Chevy GMC Silverado(Upgraded), Black
Flashark
$110.00
Best LLY EGR Delete Kit | 2004-2005 6.6L Chevy GMC Silverado(Upgraded), Blue
Flashark
$110.00
Best LLY EGR Delete Kit | 2004-2005 6.6L Chevy GMC Silverado(Upgraded), Blue
Flashark
$1,199.00
Fleece Performance Freedom Series Passenger Cylinder Head 04.5-05 6.6L GM Duramax LLY
Diesel Power Products
$1,199.00
Fleece Performance Freedom Series Passenger Cylinder Head 04.5-05 6.6L GM Duramax LLY
Diesel Power Products
$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
$1,199.00
Fleece Performance FPE-61-10002-P 2004.5-2005 Factory LLY Duramax
Tameless Performance
$1,199.00
Fleece Performance FPE-61-10002-P 2004.5-2005 Factory LLY Duramax
Tameless Performance
$82.99
2004.5-2005 6.6L Duramax LLY High Flow Turbo Intake Elbow | Seguler
Seguler
$82.99
2004.5-2005 6.6L Duramax LLY High Flow Turbo Intake Elbow | Seguler
Seguler
$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
$1,275.00
LLY Duramax Injectors Set For 2004.5-05 Chevrolet GMC Duramax (LLY Duramax Injectors: 97303657, 97780144)
Diesel Care and Performance
20% off
$1,275.00
LLY Duramax Injectors Set For 2004.5-05 Chevrolet GMC Duramax (LLY Duramax Injectors: 97303657, 97780144)
Diesel Care and Performance
$489.00
Fleece Performance Injection Line Set 04.5-05 GM 6.6L Duramax LLY
Diesel Power Products
$489.00
Fleece Performance Injection Line Set 04.5-05 GM 6.6L Duramax LLY
Diesel Power Products
$1,459.00
Banks Power Techni-Cooler Intercooler System 04.5-05 6.6L LLY GM Duramax
Diesel Power Products
10
$1,459.00
Banks Power Techni-Cooler Intercooler System 04.5-05 6.6L LLY GM Duramax
Diesel Power Products
$455.79
Diamond Eye 4" Aluminized Cat-Back Single 04.5-05 6.6L LLY Duramax K4110A Straight Pipe
Diesel Power Products
17
$455.79
Diamond Eye 4" Aluminized Cat-Back Single 04.5-05 6.6L LLY Duramax K4110A Straight Pipe
Diesel Power Products
$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
$2,100.00
Premium LLY Fuel System Resurrection Kit For 6.6L Chevrolet GMC Duramax 2004.5-2005
Diesel Care and Performance
$2,100.00
Premium LLY Fuel System Resurrection Kit For 6.6L Chevrolet GMC Duramax 2004.5-2005
Diesel Care and Performance
$2,399.95
2004.5-2005 LLY Stock New Duramax Heads
Industrial Injection Diesel Performance
$2,399.95
2004.5-2005 LLY Stock New Duramax Heads
Industrial Injection Diesel Performance
$679.82
Diamond Eye 4" Aluminized Cat-Back Single Outlet Exhaust With Turbo Direct Pipe 04.5-05 LLY Duramax Straight Pipe
Diesel Power Products
$679.82
Diamond Eye 4" Aluminized Cat-Back Single Outlet Exhaust With Turbo Direct Pipe 04.5-05 LLY Duramax Straight Pipe
Diesel Power Products
$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
$1,560.00
Turbo For 2004.5 - 2005 LLY 6.6L Chevrolet GMC Duramax
Diesel Care and Performance
$1,560.00
Turbo For 2004.5 - 2005 LLY 6.6L Chevrolet GMC Duramax
Diesel Care and Performance