How to replace a fuel injector on Cadillac DeVille?

Start by removing the Fuel Rail followed by pushing the locking tab of the Fuel Rail until it moves toward the center to detach the Fuel Injector. Begin by taking off the upper o-ring followed by the lower o-ring before discarding the old injector o-ring seals. You must correctly position the new o-rings to prevent fuel leaks which could result in fire risks or personal injuries because when o-rings differ in color (blue and black) the blue o-ring should go into the upper position while the black o-ring should occupy the lower position. Always maintain accurate part numbers for new Fuel Injector purchases while the injector o-ring replacement should happen during every servicing period to stop vacuum leaks and driveability challenges. The new o-rings need engine oil lubrication before installation onto the Fuel Injector where they need to occupy lower and upper positions. Once the injector is attached to the Fuel Rail, all parts can be reinstalled.

OEM Cadillac DeVille Fuel Injector

Gas Injector

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10 Fuel Injectors found

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Cadillac DeVille Injector Part Number: 12559036
$56.63 MSRP: $105.68
You Save: $49.05 (47%)
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Product Specifications
- Other Name: Injector, Fuel Injection; Gasoline Injector; Fuel Injector
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2005 Cadillac DeVille | Base, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
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Cadillac DeVille Fuel Injector Kit Part Number: 19244621
$123.10 MSRP: $222.79
You Save: $99.69 (45%)
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Product Specifications
- Other Name: Injector Kit, Fuel Injection; Fuel Injector; Injector
- Replaces: 17112982
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 Cadillac DeVille | Base, Touring | 8 Cyl 4.9 L GAS
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Cadillac DeVille Injector Part Number: 17111468
$150.31 MSRP: $269.62
You Save: $119.31 (45%)
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Product Specifications
- Other Name: Fuel Injector
- Replaced by: 19110532
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1989 Cadillac DeVille | Base | 8 Cyl 4.5 L GAS
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Cadillac DeVille Injector Part Number: 19244622
$138.26 MSRP: $259.63
You Save: $121.37 (47%)
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Product Specifications
- Other Name: Injector Kit, Fuel Injection; Fuel Injector
- Replaces: 17086729
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990 Cadillac DeVille | Base | 8 Cyl 4.5 L GAS
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Cadillac DeVille Injector Part Number: 17111276
Product Specifications
- Other Name: Fuel Injector
- Replaces: 17111541, 17111540
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Cadillac DeVille | Base, Cabriolet, d'Elegance | 8 Cyl 4.1 L GAS, 8 Cyl 5.7 L DIESEL
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Cadillac DeVille Injection Nozzle Part Number: 22520376
Product Specifications
- Other Name: Nozzle Assembly; Injector; Nozzle, Fuel Injector Metering
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985 Cadillac DeVille | Base, Cabriolet, d'Elegance | 6 Cyl 4.3 L DIESEL, 8 Cyl 4.1 L GAS
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Cadillac DeVille Injector Part Number: 17121552
Product Specifications
- Other Name: Injector Kit, Fuel Injection; Fuel Injector
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 Cadillac DeVille | Base, Concours, d'Elegance | 8 Cyl 4.6 L GAS
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Cadillac DeVille Injector Part Number: 17121296
Product Specifications
- Other Name: Injector Kit, Multiport Fuel; Fuel Injector; Injector Kit, Fuel Injection
- Replaces: 17090571
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 Cadillac DeVille | Base | 8 Cyl 4.9 L GAS
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Cadillac DeVille Injector Kit Part Number: 17113140
Product Specifications
- Other Name: Injector Kit, Multiport Fuel; Fuel Injector; Injector; Injector Kit, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994 Cadillac DeVille | Concours | 8 Cyl 4.6 L GAS
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Cadillac DeVille Injector Part Number: 17091474
Product Specifications
- Other Name: Injector, Multiport Fuel; Fuel Injector; Injector, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 Cadillac DeVille | Concours | 8 Cyl 4.6 L GAS

Cadillac DeVille Fuel Injector

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In Cadillac DeVille vehicles the Fuel Injector is one of the significant components that helps fuel deliver to the engine thus boosting the performance and efficiency. This system works through direct fuel injection into the engine cylinders with the help of detailed signals from the ECM thus improving operations as far as fuel metering is concerned. For the past few years Cadillac DeVille has applied various categories of fuel injection systems with a central emphasis on Direct Injection that sprays the fuel directly into the combustion chamber. This method is different from the indirect injection in which the fuelling and air are mixed away from the chamber. Fuel Injectors need to be kept clean because if they become blocked or fail to work correctly, they can cause abysmal operation of the vehicle engine, lesser power, as well as high fuel utilization. This in a way will enable the fuel injection systems to have a long life span and do away with constant problems such as the fouling of the injectors, this is through proper cleaning of the systems and proper use of fuel.

Cadillac DeVille Fuel Injector Parts and Q&A

Injector
12559036
Q: How to replace a fuel injector on Cadillac DeVille?
A:
Start by removing the Fuel Rail followed by pushing the locking tab of the Fuel Rail until it moves toward the center to detach the Fuel Injector. Begin by taking off the upper o-ring followed by the lower o-ring before discarding the old injector o-ring seals. You must correctly position the new o-rings to prevent fuel leaks which could result in fire risks or personal injuries because when o-rings differ in color (blue and black) the blue o-ring should go into the upper position while the black o-ring should occupy the lower position. Always maintain accurate part numbers for new Fuel Injector purchases while the injector o-ring replacement should happen during every servicing period to stop vacuum leaks and driveability challenges. The new o-rings need engine oil lubrication before installation onto the Fuel Injector where they need to occupy lower and upper positions. Once the injector is attached to the Fuel Rail, all parts can be reinstalled.