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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PPE 213072800 Race Fuel Valve | 2003-2007 RAM 2500/3500 5.9L Cummins
PPE 213072800 Race Fuel Valve | 2003-2007 RAM 2500/3500 5.9L Cummins

PPE

PPE 213072800 Race Fuel Valve | 2003-2007 RAM 2500/3500 5.9L Cummins

Price
$41.39
ATS 202-906-2272 Electronic Fuel Regulator | 2003-2007 RAM 2500/3500 5.9L Cummins
ATS 202-906-2272 Electronic Fuel Regulator | 2003-2007 RAM 2500/3500 5.9L Cummins

ATS Diesel Performance

ATS 202-906-2272 Electronic Fuel Regulator | 2003-2007 RAM 2500/3500 5.9L Cummins

Price
$69.76
Exergy E05-20010 High-Pressure Feed Tube | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins
Exergy E05-20010 High-Pressure Feed Tube | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

Exergy Performance

Exergy E05-20010 High-Pressure Feed Tube | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

Price
$53
Industrial F00RJ01572 Connecting Tube | 2003-2007 RAM 2500/3500 5.9L Cummins
Industrial F00RJ01572 Connecting Tube | 2003-2007 RAM 2500/3500 5.9L Cummins

Industrial Injection

Industrial F00RJ01572 Connecting Tube | 2003-2007 RAM 2500/3500 5.9L Cummins

Price
$51
Dynomite Diesel J01572 Connector Tube with O-Ring | 2003-2007 RAM 2500/3500 5.9L Cummins
Dynomite Diesel J01572 Connector Tube with O-Ring | 2003-2007 RAM 2500/3500 5.9L Cummins

Dynomite Diesel

Dynomite Diesel J01572 Connector Tube with O-Ring | 2003-2007 RAM 2500/3500 5.9L Cummins

Price
$57
Industrial 0432131837-IIS Prince of Darkness 50HP Injector | 1989-1993 RAM 2500/3500 5.9L Cummins
Industrial 0432131837-IIS Prince of Darkness 50HP Injector | 1989-1993 RAM 2500/3500 5.9L Cummins

Industrial Injection

Industrial 0432131837-IIS Prince of Darkness 50HP Injector | 1989-1993 RAM 2500/3500 5.9L Cummins

Price
$85.67
Industrial 0986435503SE-R2 R2 Reman 125HP Injector | 2003-2004 RAM 2500/3500 5.9L Cummins
Industrial 0986435503SE-R2 R2 Reman 125HP Injector | 2003-2004 RAM 2500/3500 5.9L Cummins

Industrial Injection

Industrial 0986435503SE-R2 R2 Reman 125HP Injector | 2003-2004 RAM 2500/3500 5.9L Cummins

Price
$335.29
BD Diesel 1050181 Injectors & Install Kit | 2003-2004 RAM 2500/3500 5.9L Cummins
BD Diesel 1050181 Injectors & Install Kit | 2003-2004 RAM 2500/3500 5.9L Cummins

BD Diesel

BD Diesel 1050181 Injectors & Install Kit | 2003-2004 RAM 2500/3500 5.9L Cummins

Price
$2,395
Industrial 0986435503SE-R1 R1 Reman 100HP Injector | 2003-2004 RAM 2500/3500 5.9L Cummins
Industrial 0986435503SE-R1 R1 Reman 100HP Injector | 2003-2004 RAM 2500/3500 5.9L Cummins

Industrial Injection

Industrial 0986435503SE-R1 R1 Reman 100HP Injector | 2003-2004 RAM 2500/3500 5.9L Cummins

Price
$335.29
Industrial 0986435503-R1 Factory OEM 100HP Injector | 2003-2004 RAM 2500/3500 5.9L Cummins
Industrial 0986435503-R1 Factory OEM 100HP Injector | 2003-2004 RAM 2500/3500 5.9L Cummins

Industrial Injection

Industrial 0986435503-R1 Factory OEM 100HP Injector | 2003-2004 RAM 2500/3500 5.9L Cummins

Price
$450.35
Industrial 0432193635-IIS 40HP RV Injector | 1998.5-2002 RAM 2500/3500 5.9L 24V Cummins
Industrial 0432193635-IIS 40HP RV Injector | 1998.5-2002 RAM 2500/3500 5.9L 24V Cummins

Industrial Injection

Industrial 0432193635-IIS 40HP RV Injector | 1998.5-2002 RAM 2500/3500 5.9L 24V Cummins

Price
$92.24
BD Diesel 1715503 Stock Fuel Injector | 2003-2004 RAM 2500/3500 5.9L Cummins
BD Diesel 1715503 Stock Fuel Injector | 2003-2004 RAM 2500/3500 5.9L Cummins

BD Diesel

BD Diesel 1715503 Stock Fuel Injector | 2003-2004 RAM 2500/3500 5.9L Cummins

Price
$314.95

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2003-2004 5.9L Dodge Ram 2500/3500

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Welcome to The Garage – your one-stop shop for all your car care and maintenance needs. From premium oils and filters to top-notch car care products, we have everything you need to keep your vehicle running smoothly and looking its best. Whether you're a DIY enthusiast or a professional mechanic, our carefully curated selection of high-quality products will help you take care of your ride like never before.