2003 Infiniti QX4 Fuel Injectors
More 2003 Infiniti QX4 Fuel Injectors
Find your specific 2003 Infiniti QX4 original or aftermarket Fuel Injectors below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 2003 Infiniti QX4 Fuel Injectors
Delphi – Fuel Injection Pressure Regulator (Part No.FP10406)
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:
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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
Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1155)
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$79.99
WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10400)
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:
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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
Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0025)
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$119.99
Hitachis Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachis air flow sensors the premium choice.
Product Features:
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Product Features:
- Hitachi is a Tier 1 OE supplier for air flow sensors
- 100% NEW, never remanufactured
- Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
- Precision manufactured and assembled sensing elements for accurate air flow measurements
Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6217)
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$101.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.
Product Features:
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Product Features:
- CARQUEST MAF use all new high-quality components at the highest quality standards.
- Manufactured with new and advanced technology to perform, fit and function at OE specifications.
- All new product that is tested with OEM equipment to OEM standards
- Outperforms competition when tested in extreme environmental conditions
Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0024)
from
$343.99
Hitachis Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachis air flow sensors the premium choice.
Product Features:
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Product Features:
- Hitachi is a Tier 1 OE supplier for air flow sensors
- 100% NEW, never remanufactured
- Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
- Precision manufactured and assembled sensing elements for accurate air flow measurements
Hitachi – Hitachi Fuel Injector (Part No.C1000113094HIT)
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$134.65
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:
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Product Features:
- Original Equipment Manufacturer
- Premium internal components
- OE Calibrated impedance
- Fine atomized spray reduces emissions
Carquest Premium – Remanufactured Fuel Injector (Part No.A212-2404)
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$49.49
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.
Product Features:
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Product Features:
- Each unit is 100% tested to OE specifications
- Includes new O-rings and seals made of premium OE quality materials
- Includes application specific technical bulletin, where applicable
Carquest Premium – Reman Multi Port Fuel Injector (Part No.A218-1244)
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$56.99
Product Features:
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- Each unit is 100% tested to OE specifications.
- Includes new o-rings and seals made of premium OE quality materials.
- Includes application specific technical bulletin, where applicable.
Felpro – UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET (Part No.MS 92273)
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$18.99
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:
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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
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Felpro – UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET (Part No.MS 96455)
from
$37.49
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:
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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
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61343)
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$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:
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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
Carquest Premium – Fuel Injector Seal Kit (Part No.AS027)
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$9.49
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.
Product Features:
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Product Features:
- Premium OE quality materials
- Services one injector
Felpro – Fuel Injector O-Ring Kit (Part No.ES 70599)
from
$7.49
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:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10027-01)
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$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:
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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.
Nippon Reinz – Fuel Injector O-Ring (Part No.C1012251347NRZ)
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$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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Ishino – Fuel Injector O-Ring (Part No.C101245500ISH)
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$1.24
Fuel Injector O-Ring
Nippon Reinz – Fuel Injector O-Ring (Part No.C101267251NRZ)
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.
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Nippon Reinz – Fuel Injector O-Ring (Part No.C101267250NRZ)
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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Carquest – Fuel Injector Seal Kit (Part No.274838)
from
$8.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.
Product Features:
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Product Features:
- Designed to OE standards for ease of installation
- High-quality materials withstand extreme conditions
- Undergoes extensive testing to ensure reliability
- As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process
Carquest – Fuel Injector Seal Kit (Part No.274785)
from
$10.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.
Product Features:
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Product Features:
- Designed to OE standards for ease of installation
- State-of-the-art designs that meet or exceed OE specifications
- Top-of-the-line quality and performance
- With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
Nippon Reinz – Fuel Inject Cushion Ring (Part No.C101145504NRZ)
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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Elring – Fuel Injector Seal (Part No.C1010681908ELR)
from
$2.39
Fuel Injector Seal
Carquest Premium – Fuel Injector Connector (Part No.PTA1064)
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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Carquest – Fuel Injector Connector (Part No.PT2318)
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:
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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
Popular 2003 Infiniti QX4 Fuel Injectors Categories
2003 Infiniti QX4 Fuel Injectors
Maybe you’re in the middle of a full rebuild of that 2003 Infiniti QX4. Maybe you just need a couple of Fuel Injectors. Either way, Advance Auto Parts has 21 different Fuel Injectors in our inventory ranging from $2.39 to $448.99. That means you can find the exact parts or products you need to keep that 2003 Infiniti QX4 running smoothly.
Fuel Injectors are only as good as their brand. We stock 11 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Infiniti QX4. Felpro, Carquest, and Carquest Premium are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Fuel Injectors for your 2003 Infiniti QX4, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 117 reviews in this category, some of the top rated parts include Air Flow Sensor – New Actual OE Part with 3.7 stars.
So if you’re in the market for aftermarket Fuel Injectors to keep your 2003 Infiniti QX4 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Fuel Injectors Brands To Make Your 2003 Infiniti QX4 Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Infiniti QX4 demands trusted brand parts and products to keep it running. Many trusted brands of Fuel Injectors make up Advance Auto Parts’ inventory, and all are ready to help make your QX4 the best it can be. Be sure to browse some of our top Fuel Injectors brands and parts.
Popular Felpro Fuel Injectors
We carry Felpro parts in our stock across Fuel Injector Gaskets and Fuel Injector O-Ring Kits categories, plus more. For a 2003 Infiniti QX4, our most popular Felpro Fuel Injectors include:
FAQs for 2003 Infiniti QX4 Fuel Injectors
What are the most purchased Fuel Injectors for the 2003 Infiniti QX4?
Out of 21 Fuel Injectors for the 2003 Infiniti QX4, the most popular in our inventory are:
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$101.99
This product is not rated
Mass Air Flow Sensor (MAF) – 100% NEW
Air Flow Meters and Mass Air
What are the top-rated 2003 Infiniti QX4 Fuel Injectors?
Top-rated Fuel Injectors for your 2003 Infiniti QX4 based on customer reviews/ratings are:
