Buy Automotive Fuel Injectors Online
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ACDelco Fuel Injector O-Ring 217-3359 Pack of 5
ACDelco
217-3359
GM Genuine Parts Fuel Injector Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM...
$20.39
Multi-Port Fuel Injector O-Ring Kit with 16 O-Rings
ACDelco
217-1533
GM Genuine Parts Fuel Injector Seal Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors....
$26.56
Direct Fuel Injector Kit with Spacer and Seals
ACDelco
12662571
ACDelco GM Original Equipment Fuel Injectors are electro-magnetic valves that meter fuel into the engine's intake manifold or cylinders...
$114.55
Multi-Port Fuel Injector O-Ring Kit with Assorted O-Rings
ACDelco
217-1433
GM Genuine Parts Fuel Injector Seal Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors....
$9.78
Multi-Port Fuel Injector O-Ring Kit with 16 O-Rings
GM
19169305
Helps provide a seal to prevent fuel leaks
Helps seal combustion chamber from the elements
This GM Genuine Part is designed, engineered,...
$41.68
MSRP $65.93
Save $24.25
36.8% Off 
Multi-Port Fuel Injector O-Ring Kit with 16 O-Rings
ACDelco
217-1427
GM Genuine Parts Fuel Injector Seal Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors....
$13.72
Fuel Injector O-Ring Kit with Seal and O-Rings
ACDelco
219-503
GM Genuine Parts Fuel Injector Seal Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors....
$54.04
Fuel Injector O-Ring Kit with Hardware for 3 Injectors
GM
12644934
#N/A
$72.92
MSRP $126.82
Save $53.90
42.5% Off 
Intake Manifold Kit with Multi-Port Fuel Injector and Fuel Rail
ACDelco
55570283
GM Genuine Parts Engine Intake Manifold are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM...
$705.04
Multi-Port Fuel Injector Kit with Clamp, Spacer, and Seals
ACDelco
12695540
ACDelco GM Original Equipment Fuel Injectors are electro-magnetic valves that meter fuel into the engine's intake manifold or cylinders...
$42.36
Fuel Injector and Insulator Retainer Kit with 8 Retainers
ACDelco
12584591
GM Genuine Parts Fuel Injector and Insulator Retainer Kits are designed, engineered, and tested to rigorous standards, and are backed by...
$13.18
Multi-Port Fuel Injector Rail Kit with Valve and Cap
ACDelco
12574343
GM Genuine Parts Fuel Injector Rail Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM...
$107.06
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When to Replace Fuel Injectors in Your Vintage Car
The fuel injector is an electrically controlled valve that sprays highly pressurized fuel directly into the engine's intake manifold or cylinders. It atomizes the liquid gas into a fine mist, ensuring a perfect mixture with incoming air for efficient combustion. Whichever vehicle you drive, flawlessly operating injectors mean smooth idling, maximum horsepower, and peak fuel economy.
Signs Your Fuel Injectors Need Urgent Replacement
The engine misfires violently under heavy acceleration.
A clogged unit is starving the cylinder of fuel when demand is highest.
Your exhaust smells strongly of raw, unburned gasoline.
An internal valve is stuck open, constantly dumping fuel into the cylinder.
The engine cranks endlessly but refuses to start.
A failed unit has depressurized the entire fuel rail, preventing the engine from firing.
A sudden, drastic drop in your miles-per-gallon (MPG).
Poor atomization is causing the engine to waste fuel rather than burning it efficiently.
Visible fuel pooling around the base of the intake manifold.
The lower rubber mounting seal has completely rotted away.
Frequently Asked Questions
- How long do fuel injectors last?
- Typically between 80,000 to 100,000 miles before the spray pattern degrades.
- Can I clean them myself?
- You can use fuel additives, but ultrasonic bench cleaning is required for deep clogs.
- Do direct injectors need cleaning?
- Yes, they are highly prone to carbon buildup and require specialized induction services.
- Why is my car hard to start when warm?
- A leaking injector is flooding the hot engine with liquid gas while parked.
- Why is my injector clicking loudly?
- A rhythmic ticking is normal; it is the internal solenoid opening and closing rapidly.
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