Fuel Injectors

1729050J00 - : Shield for Infiniti Image

Shield

Infiniti 1729050J00
Filler.
Discontinued
7565010Y00 - : Cross-Member for Infiniti Image

Cross-Member

Infiniti 7565010Y00
Fuel tank.
Discontinued
164391W700 - : Return Tube Bracket for Infiniti Image

Return Tube Bracket

Infiniti 164391W700
From 4/98, from 12/98.
Discontinued
846490W000 - : Handle Cover for Infiniti Image

Handle Cover

Infiniti 846490W000
To 12/98, gray.
Discontinued
78848AM800 - : Hinge Cover for Infiniti Image

Hinge Cover

Infiniti 78848AM800
Coupe,.
Discontinued
846490W002 - : Handle Cover for Infiniti Image

Handle Cover

Infiniti 846490W002
To 12/98, olive.
Discontinued
78831JG00A - : Engine Decal for Infiniti Image

Engine Decal

Infiniti 78831JG00A
Fuel filler. Fuel door.
Discontinued
7565450J00 - : Mount for Infiniti Image

Mount

Infiniti 7565450J00
Fuel tank.
Discontinued
7565550J00 - : Mount for Infiniti Image

Mount

Infiniti 7565550J00
Fuel tank.
Discontinued
226937Y020 - : Oxygen Sensor for Infiniti Image

Oxygen Sensor

Infiniti 226937Y020
Air-Fuel Ratio Sensor. M45. Fx. 4.5L, exhaust manifold. From 11/2005. Q45. Front. All. From 12/05.
Discontinued

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INFINITI Fuel Injectors: Precision Fuel Delivery Components

Your vehicle's vital systems work tirelessly to keep you moving. Regular maintenance is key to ensuring their longevity and efficiency. Fuel injectors play a critical role in your INFINITI's engine performance, delivering precisely measured amounts of fuel directly into the combustion chamber. These components replace older carburetor systems with electronically controlled precision that improves power delivery, fuel economy, and emissions. At Herrin-Gear INFINITI, we understand that maintaining these sophisticated components ensures your luxury vehicle performs at its intended level.

How Fuel Injectors Affect Performance

Fuel injectors atomize gasoline into a fine mist that combines with air for efficient combustion. These precision components operate under high pressure, opening and closing hundreds of times per minute to deliver exactly the right amount of fuel. Many Q50 and QX60 models feature advanced direct injection systems that maximize power while minimizing fuel consumption. These sophisticated injectors work in harmony with fuel pumps to maintain consistent pressure and delivery throughout all driving conditions. The microsecond timing precision contributes significantly to the refined driving experience INFINITI owners expect.

Recognize Fuel Injector Problems Early

Fuel injectors typically last 50,000-100,000 miles before developing issues, though poor fuel quality can accelerate deterioration. Warning signs include rough idling, hesitation during acceleration, decreased fuel economy, or failed emissions tests. Modern injectors can develop deposits from fuel impurities that restrict proper spray patterns. Diagnostic testing can identify specific cylinders with compromised injection, allowing targeted replacement before the problem affects overall drivability or damages other engine components.

Choose Genuine INFINITI Replacement Injectors

Factory INFINITI fuel injectors provide significant advantages over aftermarket alternatives. Genuine components match exact flow rates, spray patterns, and electronic specifications required by your vehicle's engine management system. While generic injectors might cost less initially, they often deliver improper fuel amounts that compromise performance and may damage expensive catalytic converters. Installing authentic INFINITI injectors maintains the perfect balance of power, efficiency, and emissions control engineered into your luxury vehicle.

Get back on the road in no time with genuine OEM parts from Herrin-Gear INFINITI.