2003 Lexus IS300 Fuel and Emissions Systems

Essential 2003 Lexus IS300 Fuel and Emissions Systems

Carquest Premium – Idle Air Control Valve (Part No.AEC1096)

Idle Air Control Valve

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$301.99
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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Wells Vehicle Electronics – Fuel Injection Pressure Damper (Part No.3G1016)

Fuel Injection Pressure Damper

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$63.99
The fuel injection system is controlled by the engine control module (ECM) and provides a calculated amount of fuel to the combustion chamber for efficient engine operation.

Product Features:
  • Application matched components ensure fuel injection system meets all emission regulations.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Carquest Premium – Vapor Canister (Part No.CPP2476)

Vapor Canister

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$573.99
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 – A/C Compressor Clutch Relay (Part No.R3130)

A/C Compressor Clutch Relay

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$40.99
Product Features:
  • Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
  • A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
  • Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
  • The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

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$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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DENSO – Original Equipment Quality Fuel Pump & Strainer Kit (Part No.950-0107)

Original Equipment Quality Fuel Pump & Strainer Kit

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$205.99
As the innovator and leader in fuel supply technology DENSO has conducted superior testing and inspection processes to insure the highest quality fuel supply product. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.

Product Features:
  • First Time Fit
  • Built to DENSO Original Equipment Standards
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Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61472)

Fuel Injection Throttle Body Mounting Gasket

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$9.79
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 and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Carquest Premium – Fuel Cap Tester Adapter (Part No.12410)

Fuel Cap Tester Adapter

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$15.99
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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Ishino – Fuel Inject Cushion Ring, Grommet (Part No.C1011189045ISH)

Fuel Inject Cushion Ring, Grommet

from

$2.20
Fuel Inject Cushion Ring, Grommet

Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1739)

Vapor Canister Purge Solenoid

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$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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DENSO – First Time Fit Air Fuel Ratio Sensor (Part No.C5015690059ND)

First Time Fit Air Fuel Ratio Sensor

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$201.91
DENSO a global supplier to automakers manufactures an OE-equivalent direct fit air fuel ratio sensor that maintains the quality and performance of the Original Equipment it replaces. DENSO continues to innovate with the latest development in air fuel ratio sensors. These components, also known as wide-band oxygen sensors, have a broader response range to provide much finer control of air/fuel mixtures over a greater variety of operating conditions.

Product Features:
  • Tarnish-proof platinum electrodes provides longer life and maintains accuracy
  • Quick-response planar zirconia element can quickly detect oxygen concentration
  • Measures A/F ratios from approximately 12:1 to 19:1
  • Increased performance by mapping a/f ratios throughout rpm range
  • Reduces emissions by keeping the air-fuel mixture at an optimum ratio
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Carquest Premium – Vapor Canister Vent Solenoid (Part No.EGA1325)

Vapor Canister Vent Solenoid

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$91.99
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 – Remanufactured Fuel Injector (Part No.A512-1034)

Remanufactured Fuel Injector

from

$242.99
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and o-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new o-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
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DENSO – Original Equipment Quality Fuel Pump Strainer (Part No.952-0006)

Original Equipment Quality Fuel Pump Strainer

from

$24.49
As the innovator and leader in fuel supply technology, DENSO has conducted superior testing and inspection processes to insure the highest quality fuel supply product. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the b

Product Features:
  • First Time Fit
  • Built to DENSO Original Equipment Standards
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Mark Automotive – Fuel Tank Cap Seal (Part No.E206089586MAM)

Fuel Tank Cap Seal

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$24.84
Fuel Tank Cap Seal

Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6225)

Mass Air Flow Sensor (MAF) - 100% NEW

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$105.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:
  • CARQUEST MAF use all new high-quality components at the highest quality standards.
  • Manufactured with new and advanced technology to perform, fit and function at OE specifications.
  • All new product that is tested with OEM equipment to OEM standards
  • Outperforms competition when tested in extreme environmental conditions
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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1121)

Ambient Air Temperature Sensor

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$43.99
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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AISIN – Original Equipment Multi-purpose Vacuum Switch, Lexus (Part No.VST-024)

Original Equipment Multi-purpose Vacuum Switch, Lexus

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$52.99
The parent company, AISIN Seiki Co. Ltd., was founded in 1965 as an OE manufacturer. AISIN provides superior products through engineering excellence, progressive technological development and dedication to service are some factors which have contributed to bringing AISIN to its position as a multi-award-winning global leader in automotive parts. Their intense focus on research and development is the commitment that enables their company to offer vital, leading edge technology to the automotive industry.
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Carquest Premium – Locking Fuel Cap: 10504, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10504)

Locking Fuel Cap: 10504, Screw On, Direct Fit, Provides Tight Seal, 1 Pack

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$21.79
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:
  • 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 – HVAC Blower Motor Relay (Part No.R3137)

HVAC Blower Motor Relay

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$26.05
The Intermotor brand has built its reputation by engineering and distributing a full line of genuine import parts – parts that are unrivaled for quality, original look, fit, form & function, as well as coverage.

Product Features:
  • Points feature one-piece nylon breaker arms where specified providing longer tune-up life
  • Featuring brass or copper contacts where specified for extended wear
  • All parts are manufactured to stringent quality requirements. Our plants are TS16949 and ISO9001 certified which ensures that every part is the right part for the right vehicle.
  • 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 – 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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Carquest Premium – Fuel Injector Connector (Part No.PTA1064)

Fuel Injector Connector

from

$4.29
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 – Electric Fuel Pump and Strainer Set: 12V, With 3 Male Blade Terminals (Part No.FE0751)

Electric Fuel Pump and Strainer Set: 12V, With 3 Male Blade Terminals

from

$722.99
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
  • Delphi pumps are designed to operate under extreme temperatures with quick engine starts and to avoid low-fuel hesitation, including alcohol fuels and blends
  • Improved pump performance as a result of Delphi’s innovative design and durability
  • Restores fast pressure performance and system integrity, translating to better pumping through less energy
  • Part is validated, tested and matched to the right vehicle application
  • When servicing the fuel system, always check the fuel filter for possible replacement
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Always replace the fuel strainer when doing a fuel pump repair
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DENSO – Original Equipment Quality Electric Fuel Pump (Part No.951-0003)

Original Equipment Quality Electric Fuel Pump

from

$221.99
As the innovator and leader in fuel supply technology DENSO has conducted superior testing and inspection processes to insure the highest quality fuel supply product. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.

Product Features:
  • First Time Fit
  • Built to DENSO Original Equipment Standards
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Ishino Stone – Fuel Injector O Ring (Part No.C1012184287ISH)

Fuel Injector O Ring

from

$1.92
Fuel Injector O Ring

Ishino – Fuel Inject Cushion Ring (Part No.C1011144330ISH)

Fuel Inject Cushion Ring

from

$4.98
Fuel Inject Cushion Ring

Bosch – Oxygen Sensor: 4 Wire, 21.06" Long, Heated, Exact Fit (Part No.13354)

Oxygen Sensor: 4 Wire, 21.06" Long, Heated, Exact Fit

from

$108.99
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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DENSO – Oxygen Sensor: Downstream, 4 Wire, 27.17" Long, Heated, Exact Fit (Part No.234-4015)

Oxygen Sensor: Downstream, 4 Wire, 27.17" Long, Heated, Exact Fit

from

$125.99
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
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2003 Lexus IS300 Fuel and Emissions Systems

You count on your 2003 Lexus IS300 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 68 Fuel and Emissions Systems ranging in price from $2.20 to $573.99, you’re sure to find everything you need for your 2003 Lexus IS300.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 15 different brands like Carquest Premium, Bosch, and Motorad. 2003 Lexus IS300 Fuel and Emissions Systems start as low as $2.20!

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 1,272 extensive product reviews on 2003 Lexus IS300 Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Locking Fuel Cap with 4.3 stars and Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack with 4.6 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 Lexus IS300 below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2003 Lexus IS300

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 Lexus IS300 running right for years to come. In our inventory you’ll find brands like Carquest Premium, Bosch, Motorad, and even more.

Popular Delphi Fuel and Emissions Systems

You’ll find popular Delphi brand products across Fuel Pumps. All are waiting to get your 2003 Lexus IS300 back on the road. Some of the top-rated Delphi products in these categories are:
Fuel Pump Strainer
from $17.99
(1)
Fuel Pump Strainer
Electric Pump Filter and Strainers

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 Lexus IS300, and some of our most reviewed Carquest Premium parts include:

FAQs for 2003 Lexus IS300 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2003 Lexus IS300?

Out of 68 Fuel and Emissions Systems for the 2003 Lexus IS300, the most popular in our inventory are:

What are the top-rated 2003 Lexus IS300 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2003 Lexus IS300 based on customer reviews/ratings are:
Locking Fuel Cap
from $23.99
(35)
Locking Fuel Cap
“Had a check engine light and when I scanned it, calls for a new gas cap. Instead of buying oem from the dealer or just an ordinary gas cap from a part”
Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
from $24.99
(32)
Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“Lost old gas cap and replaced with this one, which comes with a lock (which you don’t have to use,FYI)”