2003 Jeep Wrangler Fuel and Emissions Systems

Essential 2003 Jeep Wrangler Fuel and Emissions Systems

Dorman – Fuel Tank Strap Coated for rust prevention (Part No.578-212)

Fuel Tank Strap Coated for rust prevention

from

$48.49
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
See More

DENSO – Oxygen Sensor: Upstream, 4 Wire, 18.19" Long, Heated, Exact Fit (Part No.234-4769)

Oxygen Sensor: Upstream, 4 Wire, 18.19" Long, Heated, Exact Fit

from

$54.99
DENSO Oxygen 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; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; 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
See More

Omix – Air Intake Temperature Sensor (Part No.17221.04)

Air Intake Temperature Sensor

from

$94.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty. This replacement Intake Temperature Sensor from Omix-ADA fits 04-05 Jeep Liberty with a 2.4L engine, 05-11 Libert

Product Features:
  • Clip In
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1026)

Ambient Air Temperature Sensor

from

$24.99
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.
See More

Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1047)

Vapor Canister Purge Solenoid

from

$39.99
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.
See More

Delphi – Fuel Pump Strainer (Part No.FS0093)

Fuel Pump Strainer

from

$19.99
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:
  • Filtration performance and micron rating meet or exceed OE requirements
  • OE replacement strainer designed for use with Delphi electric fuel pumps
  • Replacing the strainer is always recommended when replacing a fuel pump
See More

Omix – FuelInjtr (Part No.17714.14)

FuelInjtr

from

$143.99
FuelInjtr

Carquest Premium – 4WD Indicator Light Switch Connector (Part No.PTA1174)

4WD Indicator Light Switch Connector

from

$35.49
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
See More

Dorman – PCV Valve Hose (Part No.B2150691030DOR)

PCV Valve Hose

from

$15.03
Provide an airtight seal between PCV hoses, and prevent vacuum leaks, with Dorman’s resilient PCV Valve Tubes. The tubes are constructed from high quality, crack-resistant materials for durability against brittleness and fluctuating under hood temperatures. They are excellent for the repair of emission and vacuum systems on cars, trucks and tractors.

Product Features:
  • Helps ensure proper engine performance and engine longevity
  • Made from oil-resistant materials
  • Easy to install – just press it into place
  • Direct replacement for a proper fit every time
See More

Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer (Part No.M2510476)

Fuel Pump Module Assembly: Fuel Pump, Sending Unit, Wiring Harness and Strainer

from

$152.99
Carquest Premium fuel pump modules and assemblies are engineered by Carter Fuel Systems or Agility Auto Parts 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
See More

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

Fuel Injector Seal Kit

from

$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
See More

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

Fuel Injector O-Ring

from

$8.61
Fuel Injector O-Ring

Carquest Premium – A/C Compressor Cut-Out Relay Connector (Part No.PTA1292)

A/C Compressor Cut-Out Relay Connector

from

$15.79
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
See More

NTK – Manifold Absolute Pressure Sensor (Part No.MA0114)

Manifold Absolute Pressure Sensor

from

$89.99
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.
See More

Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.71185)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$2.79
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
See More

Delphi – Fuel Injection Pressure Regulator (Part No.FP10727)

Fuel Injection Pressure Regulator

from

$67.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

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
See More

Felpro – MARINE THROTTLE BODY GASKET SET (Part No.61807)

MARINE THROTTLE BODY GASKET SET

from

$30.49
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 and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

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
See More

Omix – Fuel Filler Neck (Part No.17742.02)

Fuel Filler Neck

from

$21.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • Plastic
  • Mounts To Body
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

Carquest – Window Regulator Motor Connector (Part No.PT1421)

Window Regulator Motor Connector

from

$59.99
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 Canister Purge valves meet or exceed original equipment specifications, providing confidence in every box
  • Featuring industrial grade materials for robust performance
  • 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
See More

Dorman – Fuel Leak Detection Pump (Part No.B7073685722DOR)

Fuel Leak Detection Pump

from

$195.81
Engineered from high-quality plastic for a long-lasting service life, Dorman’s Fuel Vapor Leak Detection Pump ascertains leaks or related problems in the fuel system. A functional Vapor Leak Detection Pump is necessary in states that require an Emissions Inspection.

Product Features:
  • Helps to reduce atmospheric pollution due to hydrocarbon emissions
  • Direct replacement for a proper fit every time
  • Durable against salt, debris, and other harsh undercar conditions
  • On-vehicle and laboratory testing has been conducted on this part to ensure a trouble-free performance
See More

Carquest Premium – Fuel Cap Tester Adapter (Part No.12403)

Fuel Cap Tester Adapter

from

$29.49
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
See More

Felpro – Fuel Pump Mounting Gasket (Part No.6579)

Fuel Pump Mounting Gasket

from

$2.99
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
See More

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
See More

Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1063)

Air Charge Temperature Sensor

from

$46.99
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.
See More

Dorman – Fuel Vapor Leak Detection Pump Filter (Part No.310-260)

Fuel Vapor Leak Detection Pump Filter

from

$66.99
This evaporative emissions system leak detection pump filter is designed to match the fit and function of the original filter on specified applications, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this evaporative emissions system leak detection pump filter is designed to match the fit and function of the original filter on specified applications
  • Restores functionality – reliable replacement for an original part that has failed due to clogging
  • 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
See More

Felpro – Fuel Injector O-Ring Kit (Part No.ES 73046)

Fuel Injector O-Ring Kit

from

$36.99
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
See More

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1018)

Manifold Absolute Pressure Sensor (MAP)

from

$39.99
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.
See More

2003 Jeep Wrangler Fuel and Emissions Systems

You count on your 2003 Jeep Wrangler 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 99 Fuel and Emissions Systems ranging in price from $1.99 to $431.83, you’re sure to find everything you need for your 2003 Jeep Wrangler.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 22 different brands like Carquest Premium, Felpro, and Bosch. 2003 Jeep Wrangler Fuel and Emissions Systems start as low as $1.99!

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 3,006 extensive product reviews on 2003 Jeep Wrangler Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Fuel Injection Throttle Body Mounting Gasket with 4.9 stars and Switching Oxygen Sensor: 4 Wire, 18" Long, Heated, Direct Fit with 4.1 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 Jeep Wrangler below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2003 Jeep Wrangler

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

Popular Felpro Fuel and Emissions Systems

You’ll find popular Felpro brand products across Fuel Pumps and Exhaust Gas Recirculation (EGR) Parts. All are waiting to get your 2003 Jeep Wrangler back on the road. Some of the top-rated Felpro products in these categories are:
Fuel Pump Mounting Gasket
from $2.99
(26)
Fuel Pump Mounting Gasket
Fuel Pump Block-Off Plate Gaskets
EGR/EXHAUST AIR SUPPLY GASKET
from $1.99
(14)
EGR/EXHAUST AIR SUPPLY GASKET
EGR Valve Gaskets
Exhaust Gas Recirculation (EGR) Valve Gasket
from $4.29
(1)
Exhaust Gas Recirculation (EGR) Valve Gasket
EGR 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 Jeep Wrangler, and some of our most reviewed Carquest Premium parts include:
Fuel Cap
from $17.79
(40)
Fuel Cap
Gas Caps

FAQs for 2003 Jeep Wrangler Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2003 Jeep Wrangler?

Out of 99 Fuel and Emissions Systems for the 2003 Jeep Wrangler, 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 Jeep Wrangler Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2003 Jeep Wrangler based on customer reviews/ratings are:
Fuel Injection Throttle Body Mounting Gasket
from $3.99
(18)
Fuel Injection Throttle Body Mounting Gasket
“worked”
Switching Oxygen Sensor: 4 Wire, 18" Long, Heated, Direct Fit
from $53.99
(15)
Switching Oxygen Sensor: 4 Wire, 18" Long, Heated, Direct Fit
“Fit my Jeep as described.”
Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal
from $69.99
(12)
Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal
“I use m,y truck daily for work, I have to have depending parts and the right parts to insure that my truck has no or very little down time. I own an e”