Infiniti QX4 Fuel Injectors

Your One-Stop Shop For Trusted Infiniti QX4 Fuel Injectors

If you’re in search of Infiniti QX4 Fuel Injectors aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 48 Fuel Injectors from top brands with prices ranging from $1.33 to $455.99.

Beyond great prices, we stock trusted brands manufacturing all types of Fuel Injectors for your Infiniti QX4. Of the 16 OEM and aftermarket parts brands we carry, some of the most popular are Carquest, Carquest Premium, and Hitachi.

And don’t forget to read customer reviews across all Fuel Injectors categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Fuel Injectors have to cost top dollar, and we prove it. Browse our top Infiniti QX4 Fuel Injectors below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Infiniti QX4 Fuel Injectors

Nippon Reinz – Fuel Injector O-Ring (Part No.C1012251347NRZ)

Fuel Injector O-Ring

from

$3.39
NIPPON REINZ engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, NIPPON REINZ offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components.
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Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10027-01)

Fuel Injector O-Ring Kit

from

$8.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Hitachi – Hitachi Fuel Injector (Part No.C1000113094HIT)

Hitachi Fuel Injector

from

$131.50
Hitachi fuel injectors are manufactured to OE requirements that meet federal emissions and fuel economy standards, and provide exact OE fit for ease of installation. Hitachi injectors are manufactured using internal components that are compatible with alternative fuels or fuel blends, including ethanol mixtures.

Product Features:
  • Original Equipment Manufacturer
  • Premium internal components
  • OE Calibrated impedance
  • Fine atomized spray reduces emissions
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Hitachi – Fuel Injector – New Actual OE Part (Part No.FIJ0020)

Fuel Injector - New Actual OE Part

from

$81.99
Hitachi’s Fuel Injectors (FIJs) are designed to optimize fuel economy and performance by providing extraordinary accuracy and application specific spray patterns with quick response times. Hitachi’s high-speed electromagnet and pintle precisely control the flow of fuel. High quality materials ensure that even under the most extreme conditions, Hitachi’s FIJs will not deform or malfunction. Our FIJs are 100% flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the OE manufacturer. Designed to meet the exact needs of each specific vehicle, Hitachi’s Fuel Injectors are the premium choice. Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivering industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters.

Product Features:
  • Hitachi is a Tier 1 OE supplier for fuel injectors
  • 100% NEW, never remanufactured
  • Meets the OE performance and durability standards for this application
  • 100% flow tested for ideal performance
  • High-speed electromagnet and pintle for precise fuel dispersion
  • Application specific spray patterns for optimized fuel efficiency and performance
  • O-Ring included when applicable
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Nippon Reinz – Fuel Inject Cushion Ring (Part No.C101145504NRZ)

Fuel Inject Cushion Ring

from

$4.42
NIPPON REINZ engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, NIPPON REINZ offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components.
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Nippon Reinz – Fuel Inject Cushion Ring (Part No.C1011111577NRZ)

Fuel Inject Cushion Ring

from

$3.93
NIPPON REINZ engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, NIPPON REINZ offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components.
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Cardone – Mass Air Flow Sensor (Part No.74-50014)

Mass Air Flow Sensor

from

$75.99
CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100% re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:
  • 100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
  • On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
  • All modules are 100% tested with automated computer test equipment to ensure full functionality and reliability.
  • Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle’s engine control management system.
  • Components are rated to handle demanding temperature variations for optimum reliability in every environment.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
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Delphi – Mass Air Flow Sensor (Part No.AF10168)

Mass Air Flow Sensor

from

$390.99
100% new; Delphi OE Technology Validated to match the vehicle applications; Manufactured to meet or exceed OE requirements

Product Features:
  • Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
  • Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
  • Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
  • All parts are calibrated and tested to match the OE part
  • Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube.
  • Delphi OE technology validated to match the vehicle applications
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10400)

Fuel Injection Pressure Regulator

from

$82.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10406)

Fuel Injection Pressure Regulator

from

$132.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
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Beck/Arnley – Fuel Injection Pressure Regulator (Part No.158-0727)

Fuel Injection Pressure Regulator

from

$94.99
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:
  • Matches OE form, fit and function
  • Made with high quality material and componentry
  • High quality construction for durability
  • Constructed to withstand an underhood environment
  • Application specific for this vehicle
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Nippon Reinz – Fuel Injector O-Ring (Part No.C101267251NRZ)

Fuel Injector O-Ring

from

$1.33
NIPPON REINZ engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, NIPPON REINZ offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components.
See More

Nippon Reinz – Fuel Injector O-Ring (Part No.C101267250NRZ)

Fuel Injector O-Ring

from

$1.70
NIPPON REINZ engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, NIPPON REINZ offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components.
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Ishino – Throttle Body Gasket (Part No.C7001308191ISH)

Throttle Body Gasket

from

$3.11
Throttle Body Gasket

Ishino Stone – Throttle Body Gasket (Part No.C7001320500ISH)

Throttle Body Gasket

from

$2.31
Throttle Body Gasket

Ishino – Stone Idle Control Valve Gasket (Part No.C4063131683ISH)

Stone Idle Control Valve Gasket

from

$1.99
Ishino Stone is an industry leading gasket manufacturer, providing you original equipment design and quality and world class aftermarket service.

Product Features:
  • Original equipment design and quality
  • Utilizes OE equivalent or better materials
  • Meets or exceeds OEM specifications
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Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61343)

Fuel Injection Throttle Body Mounting Gasket

from

$2.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Dorman – Vacuum Switching Valve (Part No.B2024307562DOR)

Vacuum Switching Valve

from

$147.17
Dorman’s Vacuum Switching Valve restores the EVAP system to proper operation. Plus, its durable metal and plastic construction ensures years of service.

Product Features:
  • Includes installation hardware (where applicable)
  • Designed for long-lasting resistance to harsh road and weather conditions
  • Direct replacement for a proper fit every time
  • Quality tested to ensure trouble free installation and performance
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Carquest – Fuel Injector Connector (Part No.PT2318)

Fuel Injector Connector

from

$4.29
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • All electrical connectors are 100% tested for proper mechanical and electrical fit, form and function
  • Offering thousands of high-quality pigtails & sockets for nearly every electrical job
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Carquest Premium – Fuel Injector Connector (Part No.PTA1064)

Fuel Injector Connector

from

$4.29
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Fuel Injectors Brands You Can Trust For Your Infiniti QX4

16 trusted brands of Fuel Injectors line our shelves, ready to help keep your Infiniti QX4 running smooth. Below are some of the most popular brands and their top Fuel Injectors offerings:

Popular Spectra Premium Fuel Injectors

Spectra Premium products for the Infiniti QX4 span several categories. Some of the highest-rated Spectra Premium Fuel Injectors that will fit your Infiniti QX4 are:
Mass Air Flow Sensor
from $131.99
(2)
Mass Air Flow Sensor
Air Flow Meters and Mass Air

Top Infiniti QX4 Fuel Injectors from Carquest

Your Infiniti QX4 will be purring again thanks to Carquest brand Fuel Injectors available for online order or in-store pick up. Popular Carquest parts include:
Fuel Injector
from $112.05
(5)
Fuel Injector
Fuel Injectors
Fuel Injector Seal Kit
from $10.05
(1)
Fuel Injector Seal Kit
Fuel Injector Seal Kits
Fuel Injector Connector
from $4.29
(1)
Fuel Injector Connector
Fuel Injector Connectors

Most Purchased Infiniti QX4 Fuel Injectors from Carquest Premium

When you buy the most frequently purchased Carquest Premium brand Fuel Injectors, you can be confident it will be the right part for your Infiniti QX4. Here are the Carquest Premium Fuel Injectors Advanced Auto customers buy the most:
Mass Air Flow Sensor (MAF) - 100% NEW
from $101.99
This product is not rated
Mass Air Flow Sensor (MAF) – 100% NEW
Air Flow Meters and Mass Air
Mass Air Flow Sensor (MAF) - 100% NEW
from $101.99
This product is not rated
Mass Air Flow Sensor (MAF) – 100% NEW
Air Flow Meters and Mass Air
Air Flow Sensor - New Actual OE Part
from $119.99
(1)
Air Flow Sensor – New Actual OE Part
Air Flow Meters and Mass Air

FAQs for Infiniti QX4 Fuel Injectors

What are the most purchased Fuel Injectors for the Infiniti QX4?

Out of 48 Fuel Injectors for the Infiniti QX4, the most popular in our inventory are:
Mass Air Flow Sensor (MAF) - 100% NEW
from $101.99
This product is not rated
Mass Air Flow Sensor (MAF) – 100% NEW
Air Flow Meters and Mass Air
Mass Air Flow Sensor (MAF) - 100% NEW
from $101.99
This product is not rated
Mass Air Flow Sensor (MAF) – 100% NEW
Air Flow Meters and Mass Air
Air Flow Sensor - New Actual OE Part
from $119.99
(1)
Air Flow Sensor – New Actual OE Part
Air Flow Meters and Mass Air

What are the top-rated Infiniti QX4 Fuel Injectors?

Top-rated Fuel Injectors for your Infiniti QX4 based on customer reviews/ratings are:
Air Flow Sensor - New Actual OE Part
from $244.99
(6)
Air Flow Sensor – New Actual OE Part
“Works!”