How to Effectively Service and Repair a Fuel Injector on 2003 Dodge Ram 1500?

As a first step, detach the fuel rail and unclip the retaining clips that attach the fuel injectors to it. Next, place the fuel injectors into the fuel rail assembly and fix them in position using the retaining clips. When reinstalling the same injectors, make certain to use new O-rings. Spread a light layer of clean engine oil on every injector O-ring to ease installation. Subsequently, install the fuel rail and crank the engine to verify for any fuel leaks.

OEM 2003 Dodge Ram 1500 Fuel Injector

Gas Injector

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3 Fuel Injectors found

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2003 Dodge Ram 1500 Injector Part Number: RL031099
Product Specifications
- Other Name: Injector - Fuel; Fuel Injector
- Replaces: 53031099
- Item Weight: 0.50 Pounds
- Item Dimensions: 3.8 x 1.5 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: RL031099
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2003 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST | 3.7L V6, 6 Cyl 3.7 L GAS
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2003 Dodge Ram 1500 Injector Part Number: RL031740AA
Product Specifications
- Other Name: Injector - Fuel; Fuel Injector
- Replaces: 53031740AA
- Item Weight: 0.50 Pounds
- Item Dimensions: 1.1 x 2.0 x 4.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: RL031740AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2003 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST, Sport, WS | 6 Cyl 3.9 L GAS, 8 Cyl 5.9 L GAS
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2003 Dodge Ram 1500 Injector - Fuel Part Number: 53032704AC
$56.65 MSRP: $83.40
You Save: $26.75 (33%)
Product Specifications
- Other Name: INJECTOR-FUEL
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 53032704AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following 2003 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST, TRX4 | 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS

2003 Dodge Ram 1500 Fuel Injector Parts and Q&A

Q: How to Effectively Service and Repair a Fuel Injector on 2003 Dodge Ram 1500?
A: As a first step, detach the fuel rail and unclip the retaining clips that attach the fuel injectors to it. Next, place the fuel injectors into the fuel rail assembly and fix them in position using the retaining clips. When reinstalling the same injectors, make certain to use new O-rings. Spread a light layer of clean engine oil on every injector O-ring to ease installation. Subsequently, install the fuel rail and crank the engine to verify for any fuel leaks.