2003 Ford Focus Fuel and Emissions Systems

Essential 2003 Ford Focus Fuel and Emissions Systems

Felpro – Fuel Injector O-Ring Kit (Part No.ES 73119)

Fuel Injector O-Ring Kit

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$51.99
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
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Bosch – Pressure Sensor (Part No.0261230333)

Pressure Sensor

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$53.99
Bosch OE quality pressure sensors for accurate measurements with high durability, fast response time and wide measuring range

Product Features:
  • Bosch OE quality pressure sensors for accurate measurements
  • Bosch OE quality pressure sensors for long term stability
  • Bosch OE quality pressure sensors with a short response time
  • Bosch OE quality pressure sensors with improved media resistance
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Mahle – Mahle EGR Valve Gasket (Part No.B7100212334MAH)

Mahle EGR Valve Gasket

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$6.26
MAHLE Original gaskets provide world class sealing products trusted by OEM’s and Technicians around the globe. All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products available.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application-specific design ensures a perfect fit
  • MAHLE Original gaskets is the leader in Domestic, Asian and European applications
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NTK – Manifold Absolute Pressure Sensor (Part No.FG0066)

Manifold Absolute Pressure Sensor

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$85.99
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 Manifold Absolute Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper manifold pressure, fuel metering and ignition timing.
  • The Manifold Absolute Pressure Sensor (MAP) provides manifold pressure information to the Engine Control Unit (ECU). The data is used to determine the air mass flow rate and required fuel for optimum combustion and ignition timing.
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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Motor Connector (Part No.PTA1869)

Exhaust Gas Recirculation (EGR) Valve Motor Connector

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$64.99
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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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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Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1074)

Manifold Absolute Pressure Sensor (MAP)

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$86.99
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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Victor Reinz – Fuel Injection Idle Air Control Valve Gasket (Part No.71-13739-00)

Fuel Injection Idle Air Control Valve Gasket

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$2.29
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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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Control Solenoid (Part No.EGC1015)

Exhaust Gas Recirculation (EGR) Valve Control Solenoid

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$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 – Fuel Injector (Part No.67350)

Fuel Injector

from

$90.05
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
  • 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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Carquest Premium – Fuel Injection Pressure Sensor (Part No.FPC1011)

Fuel Injection Pressure Sensor

from

$89.99
Pressure sensors are used within several operating systems on the vehicle. Subjects in this category measure the pressure of both liquid and air to include air in a positive pressure and negative pressure range. Pressure sensors report out as the result of an electrical device called a strain gauge which produces an analog or digital signal output dependent on the needs of the circuit. Pressures may be very low such as barometric pressure, or extremely high such as in a high-pressure fuel injection system.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
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Carquest – Fuel Tank Straps (Includes 2 Straps) (Part No.578-170)

Fuel Tank Straps (Includes 2 Straps)

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$44.99
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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Delphi – Fuel Pump Module Assembly: With Float Arm, Seal, Clip, Fuel Feed Line (Part No.FG1339)

Fuel Pump Module Assembly: With Float Arm, Seal, Clip, Fuel Feed Line

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$269.99
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 – Locking Fuel Cap (Part No.10591)

Locking Fuel Cap

from

$23.99
None

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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Dorman – Fuel Pump Driver Module (Part No.601-005)

Fuel Pump Driver Module

from

$148.99
This fuel pump driver module is a direct replacement for the original equipment module. Designed to match the original fit and function, it features a plug & play connection for an easy installation.

Product Features:
  • Direct replacement – this fuel pump driver module matches the fit and function of the original equipment module to restore vehicle operation
  • Plug and play installation – this fuel pump driver requires no modifications or special tools to install
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Quality tested – vehicle simulation tested to ensure performance
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Delphi – EGR Valve (Part No.EG10244)

EGR Valve

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$79.99
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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Carquest – Engine Coolant Temperature Sensor Connector (Part No.PT5750)

Engine Coolant Temperature Sensor Connector

from

$45.05
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 ignition coils use 100% pure copper windings in the primary and secondary bobbins to improve durability and provide higher resistance to internal shorts and dielectric breakdown
  • Our premium ignition coils consist of a special blended formula for the best performance, longest life and better heat dissipation
  • A full E-Lam core of silicon steel and solid brass high voltage terminals protects against corrosion. Our ignition coils are built for maximum output voltage
  • Primary and Secondary windings feature enamel magnet wire for the highest temperature rating in the aftermarket
  • 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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DENSO – First Time Fit Oxygen Sensor (Part No.C5010690112ND)

First Time Fit Oxygen Sensor

from

$89.48
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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Motorcraft – Wire Assembly (Part No.WPT-322)

Wire Assembly

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$69.99
Wire Assembly

Carquest Premium – Idle Air Control Valve (Part No.ACA1039)

Idle Air Control Valve

from

$66.99
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 – Secondary Air Injection Pipe (Part No.EGN1197)

Secondary Air Injection Pipe

from

$96.99
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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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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Motorcraft – Motorcraft Air Pump (Part No.B6010352000MTR)

Motorcraft Air Pump

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$240.98
Motorcraft New Air Pumps are designed, engineered and tested to meet durability and reliability under extreme conditions. They are built to maximize the performance are made from high-quality materials. They offer high resistance ensuring lasting durability.

Product Features:
  • Resists abrasion and corrosion
  • Maximizes performance
  • Made from high-quality materials
  • Easy installation
  • Ensures lasting durability
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Motorcraft – Motorcraft Idle Control Valve Gasket (Part No.C4063432901MTR)

Motorcraft Idle Control Valve Gasket

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$34.94
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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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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Motorcraft – Original Equipment (O.E.) Sensor Assembly (Part No.DPFE-15)

Original Equipment (O.E.) Sensor Assembly

from

$88.99
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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Dorman – Exhaust Gas Recirculation Tube (Part No.598-112)

Exhaust Gas Recirculation Tube

from

$59.99
This exhaust gas recirculation (EGR) line is designed to match the fit of an original EGR line on specified vehicles. It is engineered to help restore proper air-fuel balance when a line is malfunctioning due to deposits built up in the EGR valve.

Product Features:
  • Direct replacement – this exhaust gas recirculation line is designed to match the fit and function of the original equipment EGR line
  • Ideal solution – engineered to help restore proper air-fuel balance when a line is malfunctioning due to deposits built up in the EGR valve
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Motorcraft – Fuel Sender Lock Rin (Part No.E2029672223MTR)

Fuel Sender Lock Rin

from

$28.26
Fuel Sender Lock Rin

2003 Ford Focus Fuel and Emissions Systems

You count on your 2003 Ford Focus 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 163 Fuel and Emissions Systems ranging in price from $2.24 to $251.52, you’re sure to find everything you need for your 2003 Ford Focus.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 17 different brands like Carquest Premium, Felpro, and Motorcraft. 2003 Ford Focus Fuel and Emissions Systems start as low as $2.24!

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 9,769 extensive product reviews on 2003 Ford Focus Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Oxygen Sensor: 4 Wire, 15.43" Long, Heated, Exact Fit with 4.6 stars and Switching Oxygen Sensor: 4 Wire, 17" Long, Heated, Direct Fit with 4.4 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 Focus below to get started!

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

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 Focus running right for years to come. In our inventory you’ll find brands like Carquest Premium, Felpro, Motorcraft, and even more.

Popular MAHLE Original Fuel and Emissions Systems

You’ll find popular MAHLE Original brand products across Idle Air Control Parts. All are waiting to get your 2003 Ford Focus back on the road. Some of the top-rated MAHLE Original products in these categories are:
Gasket
from $3.49
(3)
Gasket
Fuel Injection Idle Air Control Valve Gaskets

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 Ford Focus, and some of our most reviewed Carquest Premium parts include:

FAQs for 2003 Ford Focus Fuel and Emissions Systems

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

Out of 163 Fuel and Emissions Systems for the 2003 Ford Focus, 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 Focus Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2003 Ford Focus based on customer reviews/ratings are:
Oxygen Sensor: 4 Wire, 15.43" Long, Heated, Exact Fit
from $59.99
(129)
Oxygen Sensor: 4 Wire, 15.43" Long, Heated, Exact Fit
“exact fit works fine”
EGR/EXHAUST AIR SUPPLY GASKET
from $4.49
(39)
EGR/EXHAUST AIR SUPPLY GASKET
“Great product”