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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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
$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
$781.30
S&S Diesel LLY-350SAC-R Remanufactured 350% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-350SAC-R Remanufactured 350% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-350SAC-R Remanufactured 350% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-350SAC-R
$721.50
S&S Diesel LLY-350SAC 350% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-350SAC 350% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-350SAC 350% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-350SAC
$794.30
S&S Diesel LLY-400SAC-R Remanufactured 400% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-400SAC-R Remanufactured 400% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-400SAC-R Remanufactured 400% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-400SAC-R
$733.20
S&S Diesel LLY-400SAC 400% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-400SAC 400% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-400SAC 400% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-400SAC
$802.10
S&S Diesel LLY-450SAC-R Remanufactured 405% Over Injector Set | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-450SAC-R Remanufactured 405% Over Injector Set | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-450SAC-R Remanufactured 405% Over Injector Set | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-450SAC-R
$743.60
S&S Diesel LLY-450SAC 450% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-450SAC 450% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-450SAC 450% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-450SAC
$813.80
S&S Diesel LLY-500SAC-R Remanufactured 500% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-500SAC-R Remanufactured 500% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-500SAC-R Remanufactured 500% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-500SAC-R
$759.20
S&S Diesel LLY-500SAC 500% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-500SAC 500% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

S&S Diesel LLY-500SAC 500% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: SASLLY-500SAC
$828.10
S&S Diesel LLY-10SAC-SET TorqueMaster Injector Set | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-10SAC-SET TorqueMaster Injector Set | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

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

SKU: SASLLY-10SAC-SET
$3,070
S&S Diesel LLY-10SAC-R-SET Remanufactured TorqueMaster Injector Set | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
S&S Diesel LLY-10SAC-R-SET Remanufactured TorqueMaster Injector Set | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

S&S Diesel

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

SKU: SASLLY-10SAC-R-SET
$2,610

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

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