2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Injectors

Enhancing your fuel delivery system with high-performance injectors will significantly improve your 6.6L Duramax's power, reliability, and efficiency. At Alligator Performance, we offer a wide selection of aftermarket injectors specifically designed for your truck. These injectors are perfect for replacing worn factory units, helping your truck regain its performance and dependability. Boost your truck’s fuel delivery capacity and reliability with our premium injectors for the GM 6.6L Duramax! Pair your new injectors with our selection of Fuel 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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Merchant 97190517 Automotive Injector Hold Down Platform | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 97190517 Automotive Injector Hold Down Platform | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 97190517 Automotive Injector Hold Down Platform | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT97190517
$3.34
Merchant 10298 Injector Copper | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10298 Injector Copper | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10298 Injector Copper | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10298 Injector Copper | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT10298
$31.72
Fleece FPE-FL-LLY-18 Injector #1 and #8 Line | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Fleece FPE-FL-LLY-18 Injector #1 and #8 Line | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Fleece FPE-FL-LLY-18 Injector #1 and #8 Line | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Fleece Performance Products

Fleece FPE-FL-LLY-18 Injector #1 and #8 Line | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: FLCFPE-FL-LLY-18
$69.99
Exergy E07-00010 High-Pressure Relief Valve | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Exergy E07-00010 High-Pressure Relief Valve | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Exergy Performance

Exergy E07-00010 High-Pressure Relief Valve | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: EXYE0700010
$240
Industrial 0986435504SEDFLY Reman Dragon Fly 15% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Industrial 0986435504SEDFLY Reman Dragon Fly 15% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Industrial Injection

Industrial 0986435504SEDFLY Reman Dragon Fly 15% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: IIS0986435504SEDFLY
$367.51
Merchant 97327722 Injector Copper | 04.5-10 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 97327722 Injector Copper | 04.5-10 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 97327722 Injector Copper | 04.5-10 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT97327722
$7.24
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
$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
$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
$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
$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
$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
$510.90

2004.5-2005 6.6L Silverado & Sierra 2500HD/3500HD

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