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OEM GM Fuel Injectors

12602113 - : Multi-Port Fuel Injector Rail for GM Image

Multi-Port Fuel Injector Rail

All. Express, savana. 5.3l. Left. Express, savana. 4.8l. Hummer H2. This part requires programming and/or special setup procedures GM...
$143.24
MSRP $238.75
Save $95.51
40% Off
12691508 - : Fuel Injector Wiring Harness for GM Image

Fuel Injector Wiring Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$42.00
MSRP $56.67
Save $14.67
25.9% Off
12616382 - : Multi-Port Fuel Injector Assembly for GM Image

Multi-Port Fuel Injector Assembly

Canyon, Colorado. 2.9l, 3.7l. Hummer H3. 3.7l. Atomizes fuel into the engine's intake manifold or cylinders, as part of the fuel and...
$53.22
MSRP $81.87
Save $28.65
35% Off
55514763 - : Fuel Injector Wiring Harness for GM Image

Fuel Injector Wiring Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$95.30
MSRP $133.72
Save $38.42
28.7% Off
12692884 - : Direct Fuel Injector Assembly for GM Image

Direct Fuel Injector Assembly

Exc.Calif. Incl.O-Rings And Seals. CT6. 3.6l. ATS. 3.6l. Federal. LaCrosse. 3.6l. Acadia. 3.6l. Without v-series. Atomizes fuel into the...
$149.50
MSRP $249.16
Save $99.66
40% Off
12709734 - : Fuel Injector Seal Kit for GM Image

Fuel Injector Seal Kit

Services Qty.1 Fuel Injector. Incl.O-Rings And Seals. Helps provide a seal to prevent fuel leaks Helps seal combustion chamber from the...
$4.54
MSRP $6.72
Save $2.18
32.4% Off
92271595 - : Fuel Injector Wiring Harness for GM Image

Fuel Injector Wiring Harness

Exc.cng. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$120.07
MSRP $175.56
Save $55.49
31.6% Off
19421333 - : Sequential Multiport Fuel Injector for GM Image

Sequential Multiport Fuel Injector

Atomizes fuel into the engine's intake manifold or cylinders, as part of the fuel and engine management system Allows for a quick...
Not For Sale
12589446 - : Fuel Injector Wiring Harness for GM Image

Fuel Injector Wiring Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$127.27
MSRP $186.07
Save $58.80
31.6% Off
24420544 - : Fuel Injector Valve Retainer for GM Image

Fuel Injector Valve Retainer

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$11.14
MSRP $16.50
Save $5.36
32.5% Off
97780360 - : Fuel Injector Assembly, Remanufactured for GM Image

Fuel Injector Assembly, Remanufactured

This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
$590.00
MSRP $1,000.01
Save $410.01
41% Off
88864825 - : Multi-Port Fuel Injector Assembly for GM Image

Multi-Port Fuel Injector Assembly

Professional, premium aftermarket replacement This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
$169.99
MSRP $283.32
Save $113.33
40% 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.