2003 Infiniti FX45 Fuel and Emissions Systems

Essential 2003 Infiniti FX45 Fuel and Emissions Systems

Carquest Premium – Ignition Knock (Detonation) Sensor Connector (Part No.PTA3079)

Ignition Knock (Detonation) Sensor Connector

from

$155.99
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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Spectra Premium – Mass Air Flow Sensor (Part No.MA159)

Mass Air Flow Sensor

from

$159.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium mass air flow sensors meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE engine management systems design expertise
  • Platinum connector threads reduce the number of connection points for faster reaction to change
  • Ceramic-built printed circuit boards are protected by silica gel, providing superior resistance to temperature changes and vehicle vibrations
  • Ceramic board provides reliable voltage to eliminate engine rough-idle problems
  • Each new sensor is road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
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Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17508)

Keyed Alike Locking Fuel Cap

from

$14.29
None

Product Features:
  • Protects your fuel from theft and vandalism
  • Manufactured from durable, long-life materials
  • Independently tested for emission control
  • Passes all state and federal emissions tests
  • Reduces air pollution with proper sealing and venting
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Carquest Premium – Vapor Canister Vent Solenoid (Part No.CPC1008)

Vapor Canister Vent Solenoid

from

$99.99
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 Premium – Fuel Tank Pressure Sensor (Part No.ECA1282)

Fuel Tank Pressure Sensor

from

$40.99
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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Hitachi – Hitachi Fuel Injector (Part No.C1000251322HIT)

Hitachi Fuel Injector

from

$144.33
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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Felpro – Fuel Injector O-Ring Kit (Part No.ES 70599)

Fuel Injector O-Ring Kit

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:
  • 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
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Elring – Fuel Injector Seal (Part No.C1010681908ELR)

Fuel Injector Seal

from

$2.39
Fuel Injector Seal

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
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Dorman – Purge Valve (Part No.B7080326111DOR)

Purge Valve

from

$158.48
Purge Valve

NTK – NTK Oxygen Sensor (Part No.C5010379980NTK)

NTK Oxygen Sensor

from

$149.36
NTK is the world’s largest supplier and manufacturer of original equipment oxygen sensors. NTK oxygen sensors meet or exceed original equipment specifications and are equipped with waterproof factory fitted connectors to ensure a perfect fit every time. Every NTK oxygen sensor is individually tested to ensure the highest level of quality and reliability.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Extensively Tested During Manufacture to Guarantee Quality and Reliability
  • Supplied With a Factory-Fitted OEM Connector for Easy Installation
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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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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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Felpro – UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET (Part No.MS 97339)

UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET

from

$50.99
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:
  • 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
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Carquest – Fuel Pump Lock Ring (Part No.579-019)

Fuel Pump Lock Ring

from

$21.49
Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock. Made of durable materials for reliable service.

Product Features:
  • Direct replacement – this fuel tank sending unit lock ring is made to match the fit and performance of the original ring on specific vehicle applications
  • Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Multi Purpose Relay (Part No.RAA2713)

Multi Purpose Relay

from

$40.99
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 Premium – Fuel Cap Tester Adapter (Part No.12422)

Fuel Cap Tester Adapter

from

$39.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
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NTK – NTK Oxygen Sensor (Part No.C5010379982NTK)

NTK Oxygen Sensor

from

$179.60
NTK is the world’s largest supplier and manufacturer of original equipment oxygen sensors. NTK oxygen sensors meet or exceed original equipment specifications and are equipped with waterproof factory fitted connectors to ensure a perfect fit every time. Every NTK oxygen sensor is individually tested to ensure the highest level of quality and reliability.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • Extensively Tested During Manufacture to Guarantee Quality and Reliability
  • Supplied With a Factory-Fitted OEM Connector for Easy Installation
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NTK – Switching Oxygen Sensor: 4 Wire, 21" Long, Heated, Direct Fit (Part No.24401)

Switching Oxygen Sensor: 4 Wire, 21" Long, Heated, Direct Fit

from

$103.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
  • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
  • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
  • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Delphi – Fuel Pump Module Assembly: With Float Arm (Part No.FG1241)

Fuel Pump Module Assembly: With Float Arm

from

$314.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
  • Lower amperage draws less load on vehicle’s electrical system
  • Part is validated, tested and matched to the right vehicle application
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Lower failure rates due to its innovative design and durability
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Carquest Premium – Fuel Pump Module Assembly M2496322: Fuel Pump, Sending Unit and Strainer (Part No.M2496322)

Fuel Pump Module Assembly M2496322: Fuel Pump, Sending Unit and Strainer

from

$184.99
Carquest Premium fuel pump modules and assemblies are built to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1132)

Ambient Air Temperature Sensor

from

$45.99
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 Premium – Vapor Canister Purge Solenoid (Part No.CPC1055)

Vapor Canister Purge Solenoid

from

$87.99
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 Premium – Vapor Canister Purge Solenoid (Part No.CPA1238)

Vapor Canister Purge Solenoid

from

$113.99
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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Ishino – Fuel Rail Insulator (Part No.C1008251685ISH)

Fuel Rail Insulator

from

$1.83
Fuel Rail Insulator

2003 Infiniti FX45 Fuel and Emissions Systems

You count on your 2003 Infiniti FX45 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 59 Fuel and Emissions Systems ranging in price from $1.24 to $359.12, you’re sure to find everything you need for your 2003 Infiniti FX45.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 16 different brands like Carquest Premium, Felpro, and Bosch. 2003 Infiniti FX45 Fuel and Emissions Systems start as low as $1.24!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 519 extensive product reviews on 2003 Infiniti FX45 Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Locking Fuel Cap: 10512, Screw On, Direct Fit, Provides Tight Seal, 1 Pack with 4.0 stars and Keyed Alike Locking Fuel Cap with 4.8 stars.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 2003 Infiniti FX45 below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2003 Infiniti FX45

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Infiniti FX45 running right for years to come. In our inventory you’ll find brands like Carquest Premium, Felpro, Bosch, and even more.

Popular NTK Fuel and Emissions Systems

You’ll find popular NTK brand products across Oxygen Sensors. All are waiting to get your 2003 Infiniti FX45 back on the road. Some of the top-rated NTK products in these categories are:

Top-Rated Carquest Premium Fuel and Emissions Systems


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Fuel and Emissions Systems for your 2003 Infiniti FX45, and some of our most reviewed Carquest Premium parts include:
Fuel Cap
from $17.79
(40)
Fuel Cap
Gas Caps

FAQs for 2003 Infiniti FX45 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2003 Infiniti FX45?

Out of 59 Fuel and Emissions Systems for the 2003 Infiniti FX45, the most popular in our inventory are:
Fuel Injector O-Ring Kit
from $7.49
(109)
Fuel Injector O-Ring Kit
Fuel Injector O-Ring Kits
Tethered Fuel Cap
from $25.99
This product is not rated
Tethered Fuel Cap
Gas Caps

What are the top-rated 2003 Infiniti FX45 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2003 Infiniti FX45 based on customer reviews/ratings are:
Keyed Alike Locking Fuel Cap
from $14.29
(5)
Keyed Alike Locking Fuel Cap
“I was a bit worried about someone stealing gas from my car. No more!”
Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit
from $80.99
(3)
Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit
“The senor comes with no plastic connectors, just the pins at the end. I have heard about a good quality of the brand, but this is not exact fit (witho”