2003 Ford Explorer Fuel and Emissions Systems

Essential 2003 Ford Explorer Fuel and Emissions Systems

Delphi – Mass Air Flow Sensor (Part No.AF10111)

Mass Air Flow Sensor

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$143.99
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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Motorcraft – Idle Control Valve Gasket (Part No.C4063671916MTR)

Idle Control Valve Gasket

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$4.84
With today’s complex automotive engines, it’s even more critical to have the right sealing components for accurate pressure relief and gasket sealing.

Product Features:
  • Wide range available in precut sizes
  • Available plain or backed with adhesive
  • Bulk gasket material available for custom cutting by hand
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Delphi – Fuel Injection Idle Air Control Valve (Part No.CV10094)

Fuel Injection Idle Air Control Valve

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$88.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Delphi’s 100% OE replacement idle air control valves allow for accurate, stable, and precise air flow during the idle phase
  • Provides superior fit resulting in an easier installations
  • Maximizes fuel and engine efficiency
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Carquest Premium – Mass Air Flow Sensor Connector (Part No.PTA1213)

Mass Air Flow Sensor Connector

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$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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Dorman – Vapor Canister Vent (Part No.B7091682978DOR)

Vapor Canister Vent

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$123.15
Vapor Canister Vent

Dorman – Fuel Tank Strap Set (Part No.578-287)

Fuel Tank Strap Set

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$43.49
Recommended for replacement whenever the fuel tank is replaced or serviced, this strap is a direct replacement for the original. Manufactured from durable materials to withstand harsh road and weather conditions.

Product Features:
  • Direct replacement – this fuel tank strap matches the fit, function and performance of the original part
  • Ideal solution – recommended for replacement when the fuel tank is serviced or replaced
  • Durable construction – manufactured from quality materials for superior service and reliability
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
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Bosch – Wideband Oxygen Sensor: 4 Wire, 24.4" Long, Heated, Exact Fit (Part No.16260)

Wideband Oxygen Sensor: 4 Wire, 24.4" Long, Heated, Exact Fit

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$58.99
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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Motorcraft – Fuel Sender Lock Rin (Part No.E2029672223MTR)

Fuel Sender Lock Rin

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$30.65
Fuel Sender Lock Rin

ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2164)

Multi-Purpose Wire Connector with Leads

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$16.79
ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, and/or engine fuel management. This premium aftermarket connector is 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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Motorcraft – REGULATOR-WINDW (Part No.WPT-359)

REGULATOR-WINDW

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$63.99
REGULATOR-WINDW

Carquest Premium – Fuel Injector Seal Kit (Part No.AS051)

Fuel Injector Seal Kit

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$8.29
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:
  • Premium OE quality materials
  • Services one injector
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Felpro – EGR/EXHAUST AIR SUPPLY GASKET (Part No.71176)

EGR/EXHAUST AIR SUPPLY GASKET

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$33.99
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 for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Delphi – EGR Valve (Part No.EG10235)

EGR Valve

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$85.99
Delphi’s OE line of EGR valves provides accurate exhaust flow control and emission control; Designed and built using high-temperature and corrosion-resistant materials that perform exceptionally under all engine environments; Each valve and seat is precis

Product Features:
  • No spacers or washers are required and they come with gaskets for an exact fit, saving time and labor
  • All parts used in the manufacture process are Delphi validated, tested and matched to the vehicle application, and manufactured in a Delphi ISO certified facility
  • Delphi’s OE line of EGR valves provides accurate exhaust flow and emission control
  • Available in port, back pressure, and linear configurations to cover many engine applications
  • Designed and built using high-temperature and corrosion-resistant materials that perform exceptionally under all engine environments
  • Each valve and seat is precision machined, helping to maintain long-term stability and performance
  • No audible regulator noise
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Dorman – Fuel Injector Adapter Kit (Part No.926-028)

Fuel Injector Adapter Kit

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$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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Motorcraft – Original Equipment (O.E.) Sensor Assembly (Part No.DPFE-4)

Original Equipment (O.E.) Sensor Assembly

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$57.99
The only parts recommended by Ford Motor Company for Ford, Lincoln, and Mercury vehicles.

Product Features:
  • DPFE (Differential Pressure Feedback Electronic) Sensors are an integral part of the EGR (Exhaust Gas Recirculation) System.
  • DPFE Sensors provide information to the Power-train Control Module (PCM) telling it how much exhaust gas is flowing through the system.
  • The PCM uses this information to control the EGR Valve and other factors to optimize engine performance and emissions performance.
  • Motorcraft DPFE Sensors meet stringent Ford specifications to help ensure optimum performance and durability.
  • Designed for long service life under harsh under-hood conditions.
  • Designed and calibrated as an integral part of the overall emissions system.
  • Works in harmony with other components to help provide optimum drivability, performance and fuel economy.
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Spectra Premium – Fuel Filler Neck (Part No.FN1103)

Fuel Filler Neck

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$298.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank filler necks 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 fuel system design expertise
  • Unit is dual coated for enhanced corrosion protection
  • 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
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Tested with OE fuel cap to prevent evaporative emission and check engine light failure
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Carquest Premium – Brake Fluid Level Sensor Connector (Part No.PTA1729)

Brake Fluid Level Sensor Connector

from

$28.99
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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ACDelco – Multi-Purpose Relay (Part No.F1757)

Multi-Purpose Relay

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$33.49
ACDelco Professional Multi Purpose Relay is a high quality aftermarket replacement component for one or more of the following vehicle systems: hvac. This premium aftermarket relay is 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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Carquest – Exhaust Gas Recirculation (EGR) Sensor Connector (Part No.PT771)

Exhaust Gas Recirculation (EGR) Sensor Connector

from

$19.05
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditions
  • Manufacturing processes include an automated data acquisition system to continuously monitor the sensor output to ensure that it responds with appropriate voltage output at the specified frequency range
  • All units are 100% tested using an accelerometer vibration test to ensure trouble-free operation
  • Featuring the broadest sensor coverage in the market, we meet the service professionals needs with the highest quality product every time he opens the box
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Carquest Premium – Electric Fuel Pump Inertia Switch (Part No.SBA4432)

Electric Fuel Pump Inertia Switch

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$68.99
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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DENSO – Wideband Oxygen Sensor: Upstream, 5 Wire, 16.73" Long, Heated, Exact Fit (Part No.234-5113)

Wideband Oxygen Sensor: Upstream, 5 Wire, 16.73" Long, Heated, Exact Fit

from

$131.99
DENSO Air/Fuel Ratio Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance.; Each component is precision-built for exact replacement+ and a first time fit.; DENSO gives you the right part and the right fit+ the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
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NTK – Air Charge Temperature Sensor (Part No.AJ0023)

Air Charge Temperature Sensor

from

$33.99
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 Air Charge Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper monitoring of air temperature entering the engine.
  • The Air Charge Temperature Sensor is used by the Engine Control Unit (ECU) to measure air density for fuel mixture control, which allows it to make continuous adjustments to the engine’s air / fuel mixture for maximum fuel efficiency.
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Carquest Premium – Fuel Cap (Part No.10840Y)

Fuel Cap

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$19.79
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:
  • 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 – Vapor Canister (Part No.CPE1158)

Vapor Canister

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$88.99
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 – Vacuum Control Valve (Part No.D3020672047MTR)

Vacuum Control Valve

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$11.32
Vacuum Control Valve

Carquest – Fuel Injection Pressure Damper (Part No.32518)

Fuel Injection Pressure Damper

from

$79.05
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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Carquest Premium – Vapor Canister Vent Solenoid (Part No.CPC1054)

Vapor Canister Vent Solenoid

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$94.99
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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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

$12.99
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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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 131 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 24 different brands like Bosch, Motorcraft, and NTK. 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 7,142 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, Motorcraft, NTK, and even more.

Popular Carquest Fuel and Emissions Systems

You’ll find popular Carquest brand products across Fuel Injectors. All are waiting to get your 2003 Ford Explorer back on the road. Some of the top-rated Carquest products in these categories are:
Fuel Injector
from $54.99
(1)
Fuel Injector
Fuel Injectors

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 131 Fuel and Emissions Systems for the 2003 Ford Explorer, the most popular in our inventory are:
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
“Perfect Fit!!”
EGR/EXHAUST AIR SUPPLY GASKET
from $4.49
(39)
EGR/EXHAUST AIR SUPPLY GASKET
“Great product”