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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Exergy E06-10250 Replacement Fuel Rail | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Exergy E06-10250 Replacement Fuel Rail | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Exergy Performance

Exergy E06-10250 Replacement Fuel Rail | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: EXYE0610250
$220
Exergy E06-10251 Replacement Fuel Rail | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Exergy E06-10251 Replacement Fuel Rail | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Exergy Performance

Exergy E06-10251 Replacement Fuel Rail | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: EXYE0610251
$250
Exergy E05-10221 Rail Pressure Sensor | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Exergy E05-10221 Rail Pressure Sensor | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Exergy Performance

Exergy E05-10221 Rail Pressure Sensor | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: EXYE0510221
$252
Exergy E0510012 Leak Rail Retaining Clip | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Exergy E0510012 Leak Rail Retaining Clip | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Exergy Performance

Exergy E0510012 Leak Rail Retaining Clip | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: EXYE0510012
$8
Exergy E0510001 Seal Kit | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Exergy E0510001 Seal Kit | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Exergy Performance

Exergy E0510001 Seal Kit | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: EXYE0510001
$7.50
Exergy E05-10010 Leak Rail Assembly | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Exergy E05-10010 Leak Rail Assembly | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Exergy Performance

Exergy E05-10010 Leak Rail Assembly | 2004.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: EXYE0510010
$61
Exergy E02-10264 500% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Exergy E02-10264 500% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Exergy Performance

Exergy E02-10264 500% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: EXYE0210264
$1,045
Exergy E02-10260 400% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Exergy E02-10260 400% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Exergy Performance

Exergy E02-10260 400% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: EXYE0210260
$1,012
Exergy E02-10256 300% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Exergy E02-10256 300% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Exergy Performance

Exergy E02-10256 300% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: EXYE0210256
$992
Exergy E02-10254 250% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Exergy E02-10254 250% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Exergy Performance

Exergy E02-10254 250% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: EXYE0210254
$743
Exergy E02-10252 200% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Exergy E02-10252 200% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Exergy Performance

Exergy E02-10252 200% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: EXYE0210252
$730
Exergy E02-10250 150% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY
Exergy E02-10250 150% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Exergy Performance

Exergy E02-10250 150% Over Injector | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

SKU: EXYE0210250
$716

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