Fuel Injectors

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166009S205 - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 166009S205
QX4. Color-Black. Incl.O-Rings. To 09/99.
$181.64
MSRP $224.25
Save $42.61
19% Off
16600JK20A - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 16600JK20A
$193.44
MSRP $238.82
Save $45.38
19% Off
166007JA1A - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 166007JA1A
Incl.O-Rings. QX80. 3.5l.
$181.72
MSRP $224.35
Save $42.63
19% Off
166005RB0A - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 166005RB0A
Port Injector. Incl.O-Rings. QX50. Port injection. QX55. 2.0l. Tube.
$341.71
MSRP $421.87
Save $80.16
19% Off
16600AE060 - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 16600AE060
Incl.O-Rings. M45. Fx. 4.5l. Q45. All. To 08/03. I35.
$137.12
MSRP $169.28
Save $32.16
19% Off
166009S200 - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 166009S200
QX4. Color-Blue. Incl.O-Rings. To 09/99.
$173.99
MSRP $214.80
Save $40.81
19% Off
166005NA0B - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 166005NA0B
DI Injector. Incl.O-Rings. QX50. Direct injection. From 02/2022. QX55. 2.0l. Pipe. To 02/2022.
$194.33
MSRP $239.92
Save $45.59
19% Off
166001P102 - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 166001P102
Q45. All.
$154.37
MSRP $190.58
Save $36.21
19% Off
166001CA0A - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 166001CA0A
Incl.O-Rings. FX50. QX70. 5.0l.
Backordered
166E1JB80N - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 166E1JB80N
QX30. Q50. 2.0l. Q60. 2.0l.
$498.91
MSRP $615.93
Save $117.02
19% Off
1660053J03 - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 1660053J03
G20. Manual trans. Cylinder 2,3,4. Color-Black.
Backordered
166007S00A - : Fuel Injector for Infiniti Image

Fuel Injector

Infiniti 166007S00A
QX56. Incl.Seals. Incl.O-Rings.
$177.07
MSRP $218.59
Save $41.52
19% Off

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Fuel Injectors: Precision Fuel Delivery for Maximum Performance

Don't trust overpriced third parties for your genuine OEM parts. Not when you have INFINITI of Lynbrook in your corner. Your fuel injectors deliver precisely measured amounts of gasoline directly into each cylinder at exactly the right moment for combustion. These electronically controlled components operate thousands of times per minute, opening and closing to spray atomized fuel that mixes with incoming air. Without functioning injectors, your engine would run poorly, waste fuel, or refuse to start entirely.

How Fuel Injection Systems Work

Your fuel injectors receive electrical signals from the engine control module that determine when and how long they stay open. Each injector contains a solenoid that lifts a needle valve off its seat, allowing pressurized fuel to spray through a precisely engineered nozzle. The spray pattern and fuel volume are calibrated specifically for your engine's displacement and performance characteristics. Modern injectors can open and close in as little as one millisecond, delivering fuel with incredible accuracy.

When Fuel Injectors Fail and Why

Fuel injectors typically last 80,000 to 120,000 miles before requiring replacement due to normal wear or contamination buildup. Carbon deposits from poor fuel quality can clog the tiny spray holes, while worn seals allow fuel to leak internally. Electrical problems in the solenoid windings can prevent proper operation, causing misfires and rough running. The fuel pump supplies the pressure your injectors need to function correctly, so both components work together for smooth engine operation.

Genuine INFINITI Injectors Versus Aftermarket Alternatives

Genuine INFINITI fuel injectors are manufactured to exact specifications with precise flow rates and spray patterns designed for your specific engine. Aftermarket injectors often use inferior materials, incorrect flow calibrations, or poor-quality solenoids that fail prematurely. Vehicles like the QX50 and Q70 require exact fuel delivery specifications that only genuine parts can provide consistently. Get your ride off the lift and back in the fast lane when you order genuine OEM parts from us.