OEM GM Fuel Injectors

12680189 - : Front Passenger Side Upper Fuel Injector Deadener for GM Image

Front Passenger Side Upper Fuel Injector Deadener

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$6.22
MSRP $8.10
Save $1.88
23.2% Off
12645709 - : Fuel Injection Fuel Rail O-Ring for GM Image

Fuel Injection Fuel Rail O-Ring

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.95
MSRP $8.80
Save $2.85
32.4% Off
12659782 - : Fuel Injection Fuel Rail O-Ring for GM Image

Fuel Injection Fuel Rail O-Ring

Incl.Qty.8 Fuel Injector Tip Seals. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$120.95
MSRP $193.52
Save $72.57
37.5% Off
12597872 - : Fuel Injector O-Ring Kit with 16 O-Rings for GM Image

Fuel Injector O-Ring Kit with 16 O-Rings

Helps provide a seal to prevent fuel leaks Helps seal combustion chamber from the elements This GM Genuine Part is designed, engineered,...
$35.39
MSRP $54.44
Save $19.05
35% Off
12587147 - : Fuel Injector O-Ring Kit with Assorted O-Rings for GM Image

Fuel Injector O-Ring Kit with Assorted O-Rings

All models. 4.8l, 5.3l, 6.0l. All models. 8.1l. Eng. code j. Yukon XL, Suburban. 6.2l. Yukon XL, Suburban. 6.0l. Tahoe, Yukon, Escalade....
$22.52
MSRP $33.36
Save $10.84
32.5% Off
55591834 - : Fuel Injector Nozzle Tube Seal Retaining Ring for GM Image

Fuel Injector Nozzle Tube Seal Retaining Ring

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts...
$6.35
MSRP $9.40
Save $3.05
32.4% Off
12644827 - : Fuel Injector O-Ring Kit with 12 Seals for GM Image

Fuel Injector O-Ring Kit with 12 Seals

Incl.Qty.12 Fuel Injector Tip Seals. XT6. Captiva Sport. 3.0l. Helps provide a seal to prevent fuel leaks Helps seal combustion chamber...
$32.50
MSRP $50.00
Save $17.50
35% Off
89017587 - : Fuel Injector O-Ring Kit with Assorted O-Rings for GM Image

Fuel Injector O-Ring Kit with Assorted O-Rings

Services Qty.8 Fuel Injectors. Caprice PPV. 6.0l. Impala, Monte Carlo. 5.3l. GTO. Helps provide a seal to prevent fuel leaks Helps seal...
$64.29
MSRP $102.86
Save $38.57
37.5% Off
55575172 - : Fuel Injector O-Ring Kit with 2 O-Rings for GM Image

Fuel Injector O-Ring Kit with 2 O-Rings

Services Qty.1 Fuel Injectors. Sonic. 1.4l. Trax. Services Qty.4 Fuel Injectors. Incl.O-Rings And Retainers. Volt. ELR. Helps provide a...
$7.89
MSRP $21.04
Save $13.15
62.5% Off
19238127 - : Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings for GM Image

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings

Professional, premium aftermarket replacement This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$14.55
MSRP $21.52
Save $6.97
32.4% Off
12668869 - : Fuel Injection Fuel Rail O-Ring for GM Image

Fuel Injection Fuel Rail O-Ring

Services Qty.1 Fuel Injector. Incl.Upper and Lower O-Rings. Helps provide a seal to prevent fuel leaks Helps seal combustion chamber...
$19.39
MSRP $28.72
Save $9.33
32.5% Off
19238128 - : Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 2 O-Rings for GM Image

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 2 O-Rings

Professional, premium aftermarket replacement This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$5.67
MSRP $8.40
Save $2.73
32.5% Off

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Other Engine Parts that Fuel Injectors Work With

One of the most important parts of an engine is the fuel injector, which supplies fuel to the combustion chamber. They are not autonomous. Fuel injectors are one of several engine components that collaborate to guarantee fuel supply efficiency, combustion perfection, and peak performance.

Fuel Pressure Regulator

A fuel pressure regulator is used to keep the fuel rail, which houses the fuel injectors, at the proper pressure. The fuel injectors must be subjected to constant pressure for precise fuel distribution. Fuel injection pressure issues can negatively impact engine performance and efficiency, resulting in either excess fuel or a deficiency.

Engine Control Unit

Several engine functions, including fuel injection, are controlled by the Engine Control Unit (ECU), which is like the machine's brain. It finds the best time and amount to inject fuel based on data from several sensors. To achieve optimal combustion and performance, the ECU modifies the injectors' activity according to engine speed, load, and temperature variables.

Fuel Pump

It is the job of the fuel pump to transfer fuel under pressure from the fuel tank to the fuel injectors. Maintaining a steady and controlled fuel flow enables the injectors to deliver exact quantities of fuel to the combustion chamber. The fuel injectors wouldn't get the required fuel if the pump weren't working.

Intake Manifold

The air-fuel mixture is sent to the engine's cylinders through the intake manifold from the fuel injectors. It checks that the mixture is delivered to each cylinder in the right proportion for combustion. Improved engine performance and gas mileage are outcomes of an intake manifold's careful design, which maximizes airflow and fuel distribution.

Ignition Plugs

The fuel injectors feed an air-fuel combination to the combustion chamber, where spark plugs ignite it. For smooth engine operation, efficient combustion, and power output, spark timing is crucial. The fuel injectors and spark plugs must work in tandem for the engine to function at its best.

Your vehicle's engine will run more efficiently and last longer if you know how fuel injectors interact with these components. You can keep your engine in top shape by performing routine maintenance and replacing these parts as they wear out.