Enhancing your fuel delivery system with high-performance injectors boosts your 5.9L Cummins' power, reliability, and efficiency. At Alligator Performance, we provide a broad range of aftermarket injectors tailored to your custom diesel truck. These injectors are also ideal for replacing worn factory units, restoring your truck's performance and consistency. Upgrade your truck’s fuel delivery capacity and dependability with our top-quality injectors for the Ram 5.9L Cummins! Pair your new injectors with our selection of Fuel Upgrades. Ram Cummins Fitments: 2003, 2004 Ram 5.9L Cummins. Submodel Fitments: Tradesman, Laramie, Laramie Longhorn, Big Horn, Limited, Lone Star, Power Wagon. Some exceptions apply, please see individual product pages for specific fitments.

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S&S Diesel 305-500SAC-SET 500% Over Injector Set | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
S&S Diesel 305-500SAC-SET 500% Over Injector Set | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

S&S Diesel

S&S Diesel 305-500SAC-SET 500% Over Injector Set | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: SAS305-500SAC-SET
Price
$4,984.20
Industrial 214601 II-Reman Stock Injector Pack with Connecting Tubes & Fuel Lines | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
Industrial 214601 II-Reman Stock Injector Pack with Connecting Tubes & Fuel Lines | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

Industrial Injection

Industrial 214601 II-Reman Stock Injector Pack with Connecting Tubes & Fuel Lines | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: IIS214601
Price
$2,014.43
Industrial 503KINGCOBRA0308 King Cobra Competition Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
Industrial 503KINGCOBRA0308 King Cobra Competition Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

Industrial Injection

Industrial 503KINGCOBRA0308 King Cobra Competition Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: IIS503KINGCOBRA0308
Price
$817.15
Industrial 0986435503SE-R5 R5 Reman 305HP Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
Industrial 0986435503SE-R5 R5 Reman 305HP Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

Industrial Injection

Industrial 0986435503SE-R5 R5 Reman 305HP Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: IIS0986435503SE-R5
Price
$391.68
BD Diesel JSCUMM11001 Injectors Set of 6 | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
BD Diesel JSCUMM11001 Injectors Set of 6 | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

BD Diesel

BD Diesel JSCUMM11001 Injectors Set of 6 | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: BDDJSCUMM11001
Price
$2,259
Industrial 214311 Reman Stock Injector Pack with Connecting Tubes | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
Industrial 214311 Reman Stock Injector Pack with Connecting Tubes | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

Industrial Injection

Industrial 214311 Reman Stock Injector Pack with Connecting Tubes | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: IIS214311
Price
$1,787.63
Exergy E02-20154 250% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
Exergy E02-20154 250% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

Exergy Performance

Exergy E02-20154 250% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: EXYE0220154
Price
$845
Exergy E02-20156 300% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
Exergy E02-20156 300% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

Exergy Performance

Exergy E02-20156 300% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: EXYE0220156
Price
$904
Exergy E02-20150 150% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
Exergy E02-20150 150% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

Exergy Performance

Exergy E02-20150 150% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: EXYE0220150
Price
$775
Exergy E02-20121 +100HP Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
Exergy E02-20121 +100HP Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

Exergy Performance

Exergy E02-20121 +100HP Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: EXYE0220121
Price
$484
Exergy E02-20120 +50HP Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
Exergy E02-20120 +50HP Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

Exergy Performance

Exergy E02-20120 +50HP Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: EXYE0220120
Price
$451
Exergy E02-20152 200% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins
Exergy E02-20152 200% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

Exergy Performance

Exergy E02-20152 200% Over Injector | 2003-2004 Dodge RAM 2500/3500 5.9L Cummins

SKU: EXYE0220152
Price
$813

2003-2004 5.9L Dodge Ram 2500/3500

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