2003 Ford Explorer Fuel and Emissions Systems

Essential 2003 Ford Explorer Fuel and Emissions Systems

Delphi – Mass Air Flow Sensor (Part No.AF10140)

Mass Air Flow Sensor

from

$159.99
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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Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61377)

Fuel Injection Throttle Body Mounting Gasket

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$5.99
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
  • Validated for fit, form, and function
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Carquest – Fuel Injector (Part No.57081)

Fuel Injector

from

$66.99
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
  • Precision-wound and precision-trimmed solenoid windings allow the computer to command efficient delivery of fuel
  • High-temp Viton® O-rings enable prolonged sealing of injector under extreme heat conditions
  • Fiber-optic yttrium aluminum garnet “YAG” laser welding and 100 million cycle testing ensure quality in every box
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Dorman – 5/16 In. Quick Connector, Straight w/ 18 In. of 3/8 In. Nylon Tube and a Union (Part No.800-054)

5/16 In. Quick Connector, Straight w/ 18 In. of 3/8 In. Nylon Tube and a Union

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$26.49
Replace only the damaged connectors instead of the entire fuel line with these direct-replacement fuel line connectors. Designed for easy installation and a precise fit, they are engineered to withstand extreme underhood conditions.

Product Features:
  • Direct replacement – these fuel line connectors fit and function like the vehicle’s original equipment connectors for reliable, leak-free performance
  • Quality construction – manufactured from premium materials for a long service life
  • Saves money – replace only the part, not the entire assembly
  • Excellent value – original equipment quality at a lower price
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Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECA2408)

Manifold Absolute Pressure Sensor (MAP)

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$80.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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Spectra Premium – Fuel Tank Strap (Part No.ST288)

Fuel Tank Strap

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$61.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank straps 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 expertise
  • Direct fit ensures safe, secure fuel tank installation
  • Product individually packaged and labeled to help reduce product damage prior to installation
  • Industry leading coverage on straps for plastic tanks
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Bosch – Oxygen Sensor: 4 Wire, 11.02" Long, Heated, Exact Fit (Part No.15664)

Oxygen Sensor: 4 Wire, 11.02" Long, Heated, Exact Fit

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$65.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.  Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product. 

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
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Carquest Premium – Fuel Tank Lock Ring LO1582926 (Part No.LO1582926)

Fuel Tank Lock Ring LO1582926

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$15.99
Carquest Premium offers a complete line of fuel tank lock rings covering a wide variety of North American vehicle applications. Carquest Premium fuel tank lock rings are engineered to meet or exceed all OEM specifications. Carquest Premium fuel tank lock rings are precision stamped and are treated with a rust proof finish to ensure durability and strength.

Product Features:
  • Engineered to meet or exceed all OEM specifications
  • Precision stamped and are treated with a rust proof finish to ensure durability and strength
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Dorman – Evaporative Emissions Charcoal Canister (Part No.911-198)

Evaporative Emissions Charcoal Canister

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$91.99
This vapor canister has been made to match the original equipment evap canister on certain vehicle years, makes and models, properly restoring emissions controls.

Product Features:
  • Direct replacement – this evaporative emissions charcoal canister matches the function and performance of the original canister on specified vehicles
  • Restores performance – properly repairs issues with emissions controls to clear check engine light and pass inspection
  • Application specific – reverse engineered from the original design on certain vehicle years, makes and models
  • Trustworthy quality – backed by team of engineers and quality specialists in the United States
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Carquest Premium – Daytime Running Light Relay Connector (Part No.PTC1867)

Daytime Running Light Relay Connector

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$87.99
Daytime Running Light Relay Connector

ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings (Part No.217-3365)

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings

from

$9.99
The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Dorman – Multi-Purpose Harness (Part No.645-211)

Multi-Purpose Harness

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$56.99
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this pigtail connector features weatherproof seals and a locking tab for a reliable connection
  • Versatile component – this connector can be used in a variety of repairs and custom installations
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Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPA1037)

Vapor Canister Purge Solenoid

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$62.99
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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Original Equipment – Fuel Pressure Sensor (Part No.C3001671884OEA)

Fuel Pressure Sensor

from

$57.56
Fuel Pressure Sensor

NTK – EGR Pressure Sensor (Part No.EA0009)

EGR Pressure Sensor

from

$69.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • NTK’s EGR Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper monitoring and adjustments to the ignition and injector performance.
  • The Exhaust Gas Recirculation (EGR) Pressure sensor detects exhaust gas flow through the EGR passage.
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KAI – Fuel Filler Neck (Part No.FFN010067)

Fuel Filler Neck

from

$49.99
New Platinum Pro Fuel Filler Neck, 97-01 Explorer

Product Features:
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Edelbrock – EGR Valve Spacer Plate #8057 For Ford Small-Block Windsor 2V (Part No.8057)

EGR Valve Spacer Plate #8057 For Ford Small-Block Windsor 2V

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$97.99
Product Features:
  • 1in. Thick For 2-Barrel Carburetors
  • EGR Plate is made of aluminum with a natural finish
  • Covered when it comes to affordable performance
  • Fuel delivery style is fuel-injected
  • Throttle bodies are used with suitable EGR plates
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Carquest Premium – Mass Air Flow Sensor Connector (Part No.PTA1213)

Mass Air Flow Sensor Connector

from

$32.99
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.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Motorcraft – Vacuum Control Valve (Part No.D3020672047MTR)

Vacuum Control Valve

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$11.32
Vacuum Control Valve

Mahle – Fuel Injector O-Ring (Part No.C10132590067MAH)

Fuel Injector O-Ring

from

$8.61
Fuel Injector O-Ring

DENSO – First Time Fit Oxygen Sensor (Part No.C5010112406ND)

First Time Fit Oxygen Sensor

from

$51.22
Denso First Time Fit oxygen sensors are constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each DENSO sensor.

Product Features:
  • SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
  • DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
  • ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
  • STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.
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Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1161)

Fuel Injection Pressure Regulator

from

$74.99
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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Carquest Premium – Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10507)

Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack

from

$22.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
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Carquest Premium – Idle Air Control Valve (Part No.ACA1028)

Idle Air Control Valve

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$54.99
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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Motorcraft – REGULATOR-WINDW (Part No.WPT-359)

REGULATOR-WINDW

from

$63.99
REGULATOR-WINDW

Carquest – Fuel Injection Pressure Damper (Part No.32515)

Fuel Injection Pressure Damper

from

$105.99
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
  • Our fuel pressure regulators are application specific for the perfect fit and form
  • A robust engineering design for greater resistance to leakage
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • BWD is a global manufacturer of original equipment and aftermarket fuel injection products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Dorman – Fuel Injector Adapter Kit (Part No.926-028)

Fuel Injector Adapter Kit

from

$39.99
This fuel injector sleeve is a direct replacement for an original equipment part. Made of quality materials, this part has undergone try-on testing to ensure a quality fit and a long service life.

Product Features:
  • Ideal replacement – this fuel injector sleeve is a direct replacement for the original equipment part on specified engines
  • Durable construction – this part is made from quality materials to resist damage from fuel and extreme temperatures
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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Dorman – Idle Air Valve Gaskets (Part No.C4063195482DOR)

Idle Air Valve Gaskets

from

$2.24
Dorman’s Fuel Injection Idle Air Control Valve Gaskets are engineered for affordability and convenience. Save time, money and labor by replacing only the Gasket – instead of the entire Fuel Injection Idle Air Control Valve. A long-lasting, airtight seal is ensured.

Product Features:
  • Direct replacement for a proper fit
  • Replacement safeguards the Idle Air Control Valve against air leaks
  • Replacement prevents poor engine idle and restores engine performance
  • Highly durable against fluctuating under hood temperatures
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2003 Ford Explorer Fuel and Emissions Systems

You count on your 2003 Ford Explorer 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 128 Fuel and Emissions Systems ranging in price from $2.29 to $306.99, you’re sure to find everything you need for your 2003 Ford Explorer.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 23 different brands like Bosch, Felpro, and Motorcraft. 2003 Ford Explorer Fuel and Emissions Systems start as low as $2.29!

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 8,398 extensive product reviews on 2003 Ford Explorer Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Oxygen Sensor: 4 Wire, 10.83" Long, Heated, Exact Fit with 4.5 stars and Fuel Cap: 10832, Round, Direct Fit, Provides Tight Seal, 1 Pack with 4.0 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 Ford Explorer below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2003 Ford Explorer

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 Ford Explorer running right for years to come. In our inventory you’ll find brands like Bosch, Felpro, Motorcraft, and even more.

Popular Dorman Fuel and Emissions Systems

You’ll find popular Dorman brand products across Fuel Lines. All are waiting to get your 2003 Ford Explorer back on the road. Some of the top-rated Dorman products in these categories are:
SPRINGLOCK FUEL LINE CONNECTOR- 11mm x 5/16In. BARBED MALE
from $13.49
(1)
SPRINGLOCK FUEL LINE CONNECTOR- 11mm x 5/16In. BARBED MALE
Fuel Line Connectors

FAQs for 2003 Ford Explorer Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2003 Ford Explorer?

Out of 128 Fuel and Emissions Systems for the 2003 Ford Explorer, 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
O2 Sensor
from $71.99
(1)
O2 Sensor
Oxygen Sensors

What are the top-rated 2003 Ford Explorer Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2003 Ford Explorer based on customer reviews/ratings are:
Oxygen Sensor: 4 Wire, 10.83" Long, Heated, Exact Fit
from $56.99
(332)
Oxygen Sensor: 4 Wire, 10.83" Long, Heated, Exact Fit
“Easy installation”
EGR/EXHAUST AIR SUPPLY GASKET
from $4.49
(39)
EGR/EXHAUST AIR SUPPLY GASKET
“Great product”