2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Fuel System & Fuel Upgrades

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BD Diesel 1050651 R900 12mm Stroker CP3 Injection Pump | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
BD Diesel 1050651 R900 12mm Stroker CP3 Injection Pump | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

BD Diesel

BD Diesel 1050651 R900 12mm Stroker CP3 Injection Pump | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: BDD1050651
Price
$2,627
BD Diesel 1040360 Common Rail Fuel Relief Valve Shim Kit | 2004.5-2009 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax & Dodge RAM 2500/3500 6.7L Cummins
BD Diesel 1040360 Common Rail Fuel Relief Valve Shim Kit | 2004.5-2009 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax & Dodge RAM 2500/3500 6.7L Cummins

BD Diesel

BD Diesel 1040360 Common Rail Fuel Relief Valve Shim Kit | 2004.5-2009 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax & Dodge RAM 2500/3500 6.7L Cummins

SKU: BDD1040360
Price
$27.95
PPE 113065000 Dual Fueler Installation Kit with out Pump | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
PPE 113065000 Dual Fueler Installation Kit with out Pump | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

PPE

PPE 113065000 Dual Fueler Installation Kit with out Pump | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: PPE113065000
Price
$1,259.99
PPE 113062000 Dual Fueler Install Kit with CP3 Pump | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
PPE 113062000 Dual Fueler Install Kit with CP3 Pump | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

PPE

PPE 113062000 Dual Fueler Install Kit with CP3 Pump | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: PPE113062000
Price
$2,249.99
S&S Diesel LLY-10SAC-R Remanufactured TorqueMaster | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-10SAC-R Remanufactured TorqueMaster | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-10SAC-R Remanufactured TorqueMaster | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-10SAC-R
Price
$326.25
S&S Diesel LLY-10SAC TorqueMaster Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-10SAC TorqueMaster Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-10SAC TorqueMaster Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-10SAC
Price
$383.75
S&S Diesel LLY-30SAC-R Remanufactured 30% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-30SAC-R Remanufactured 30% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-30SAC-R Remanufactured 30% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-30SAC-R
Price
$427.70
S&S Diesel LLY-30SAC 30% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-30SAC 30% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-30SAC 30% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-30SAC
Price
$496.60
S&S Diesel LLY-45SAC-R Remanufactured 45% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-45SAC-R Remanufactured 45% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-45SAC-R Remanufactured 45% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-45SAC-R
Price
$442
S&S Diesel LLY-45SAC 45% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-45SAC 45% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-45SAC 45% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-45SAC
Price
$510.90
S&S Diesel LLY-60SAC-R Remanufactured 60% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-60SAC-R Remanufactured 60% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-60SAC-R Remanufactured 60% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-60SAC-R
Price
$452.40
S&S Diesel LLY-60SAC 60% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-60SAC 60% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-60SAC 60% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-60SAC
Price
$521.30
S&S Diesel LLY-80SAC-R Remanufactured 80% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-80SAC-R Remanufactured 80% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-80SAC-R Remanufactured 80% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-80SAC-R
Price
$486.20
S&S Diesel LLY-80SAC 80% Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-80SAC 80% Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-80SAC 80% Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-80SAC
Price
$555.10
S&S Diesel LLY-100SAC-R Remanufactured 100% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-100SAC-R Remanufactured 100% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-100SAC-R Remanufactured 100% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-100SAC-R
Price
$513.50
S&S Diesel LLY-100SAC 100% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-100SAC 100% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-100SAC 100% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-100SAC
Price
$586.30
S&S Diesel LLY-150SAC 150% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-150SAC 150% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-150SAC 150% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-150SAC
Price
$607.10
S&S Diesel LLY-150SAC-R Remanufactured 150% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-150SAC-R Remanufactured 150% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-150SAC-R Remanufactured 150% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-150SAC-R
Price
$538.20
S&S Diesel LLY-200SAC-R Remanufactured 200% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-200SAC-R Remanufactured 200% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-200SAC-R Remanufactured 200% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-200SAC-R
Price
$565.50
S&S Diesel LLY-200SAC 200% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-200SAC 200% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-200SAC 200% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-200SAC
Price
$638.30
S&S Diesel LLY-250SAC-R Remanufactured 250% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-250SAC-R Remanufactured 250% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-250SAC-R Remanufactured 250% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-250SAC-R
Price
$655
S&S Diesel LLY-250SAC 250% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-250SAC 250% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-250SAC 250% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-250SAC
Price
$721.25
S&S Diesel LLY-300SAC-R Remanufactured 300% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-300SAC-R Remanufactured 300% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-300SAC-R Remanufactured 300% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-300SAC-R
Price
$708.50
S&S Diesel LLY-300SAC 300% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-300SAC 300% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-300SAC 300% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-300SAC
Price
$781.30

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DIESEL TRUCK EXPERTS STANDING BY

The factory fuel system on your 2004.5-2005 GM Duramax 6.6L LML doesn’t provide the cleanest fuel injection, leading to prematurely worn injectors and various other complications down the line. At Alligator Performance, we offer a range of premium aftermarket fuel systems and accessories designed to extend the life of your injectors by ensuring optimal fuel filtration. Our complete aftermarket fuel systems include a fuel pump and water separator that filter diesel fuel in your GM 2500HD/3500HD to extremely low micron levels, preventing contaminants from damaging your engine. For trucks operating in cold conditions, consider our Electric Heater Kits to eliminate the risk of fuel gelling, which can hinder cold starts. We carry trusted brands such as FASS, AirDog, Irate Diesel, and more to provide you with the best fuel upgrades for your 2004.5-2005 GM 2500/3500 Truck. Pair your fuel system upgrades with our Engine Upgrades! GM Duramax Fitments: 2004, 2005 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2004.5-2005 6.6L LLY

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