How to Install a Fuel Injector in 3.7L, 4.7L, or 5.7L Engines on 2008 Dodge Ram 1500?

To install the fuel injector for 3.7L, 4.7L or 5.7L engines, put the injector(s) into the fuel rail and clamp with clips. Use new O-rings if reinstalling. Apply a clean engine oil to O-rings and install fuel rail and start the engine to check for leaks.

OEM 2008 Dodge Ram 1500 Fuel Injector

Gas Injector

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3 Fuel Injectors found

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2008 Dodge Ram 1500 Injector Part Number: 4591851AB
$93.17 MSRP: $125.00
You Save: $31.83 (26%)
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Product Specifications
- Other Name: Injector - Fuel; Fuel Injector; Injector Fuel
- Replaces: 4591851AA, RL591851AA
- Item Weight: 0.60 Pounds
- Item Dimensions: 1.7 x 1.7 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4591851AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2008 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST, SXT, Sport, TRX, TRX4 | 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS
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2008 Dodge Ram 1500 Injector Part Number: 53032701AA
$86.13 MSRP: $128.00
You Save: $41.87 (33%)
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Product Specifications
- Other Name: Injector - Fuel; Gasoline Injector; Fuel Injector; Injector Fuel
- Replaces: RL032701AA
- Item Weight: 0.50 Pounds
- Item Dimensions: 1.1 x 1.5 x 3.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 53032701AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Ram 1500 Submodels:
- ST, SXT | 6 Cyl 3.7 L GAS
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2008 Dodge Ram 1500 Injector Part Number: 53032713AB
Product Specifications
- Other Name: Injector - Fuel; Injector Fuel
- Replaces: RL032713AB
- Item Weight: 0.50 Pounds
- Item Dimensions: 1.6 x 1.6 x 3.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 53032713AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST, SXT, Sport, TRX4 | 8 Cyl 5.7 L GAS

2008 Dodge Ram 1500 Fuel Injector Parts and Q&A

Q: How to Install a Fuel Injector in 3.7L, 4.7L, or 5.7L Engines on 2008 Dodge Ram 1500?
A: To install the fuel injector for 3.7L, 4.7L or 5.7L engines, put the injector(s) into the fuel rail and clamp with clips. Use new O-rings if reinstalling. Apply a clean engine oil to O-rings and install fuel rail and start the engine to check for leaks.