Lexus RX300 Fuel and Emissions Systems

Essential Lexus RX300 Fuel and Emissions Systems

Delphi – Fuel Injection Pressure Regulator (Part No.FP10546)

Fuel Injection Pressure Regulator

from

$87.99
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
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Delphi – Fuel Pump Strainer (Part No.FS0179)

Fuel Pump Strainer

from

$17.99
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
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Carquest Premium – Fuel Injection Idle Air Control Valve Gasket (Part No.ABA1162)

Fuel Injection Idle Air Control Valve Gasket

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$8.29
Fuel Injection Idle Air Control Valve Gasket

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

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 – First Time Fit Oxygen Sensor (Part No.C5010112398ND)

First Time Fit Oxygen Sensor

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$125.83
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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Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.72898)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$4.49
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 for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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NTK – Air Charge Temperature Sensor (Part No.EF0105)

Air Charge Temperature Sensor

from

$29.99
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:
  • Air Charge Temperature Sensors are designed to meet or exceed OE specifications in form, fit and function to ensure proper monitoring of air temperature entering the engine
  • NTK’s Engine Coolant Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper engine operating temperature.
  • Engine Coolant Temperature (ECT) Sensors measure the temperature of the coolant. The readings from the (ECT) sensor are sent back to the Engine Control Unit (ECU) to adjust the fuel injection and ignition timing.
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NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 4 Wire, 13.8" Long, Heated, Direct Fit (Part No.25697)

Wideband Oxygen Sensor: Air-Fuel Ratio 4 Wire, 13.8" Long, Heated, Direct Fit

from

$389.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, NTK uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
  • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
  • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
  • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Aisan – Fuel Cut Off Valve (Part No.E2015177515AIS)

Fuel Cut Off Valve

from

$9.38
Fuel Cut Off Valve

MAHLE Original – Fuel Injection Nozzle O-Ring Kit (Part No.GS33654)

Fuel Injection Nozzle O-Ring Kit

from

$7.49
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Ishino Stone – Fuel Injector O-Ring (Part No.C1012262676ISH)

Fuel Injector O-Ring

from

$2.01
Fuel Injector O-Ring

Carquest Premium – Vapor Canister (Part No.CPP1733)

Vapor Canister

from

$819.99
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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Felpro – FUEL INJECTOR O-RING SET (Part No.ES 70600)

FUEL INJECTOR O-RING SET

from

$7.99
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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Carquest – Fuel Injector (Part No.67140)

Fuel Injector

from

$150.05
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
  • Stainless steel calibration slide and spring assembly prevents corrosion within the fuel control body leading to an extended service life
  • Precision wound and 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
  • 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 Purge Solenoid (Part No.CPE2482)

Vapor Canister Purge Solenoid

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$188.99
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 – Multi Purpose Relay (Part No.83A1006)

Multi Purpose Relay

from

$16.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • High-quality products that meet OE appearance and performance to
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Mark Automotive – Fuel Tank Cap Seal (Part No.E206089586MAM)

Fuel Tank Cap Seal

from

$19.45
Fuel Tank Cap Seal

DENSO – Original Equipment Quality Fuel Pump & Strainer Kit (Part No.950-0106)

Original Equipment Quality Fuel Pump & Strainer Kit

from

$112.99
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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Motorad – Tethered Fuel Cap (Part No.MGC825T)

Tethered Fuel Cap

from

$21.99
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:
  • Come pre-assembled for quick and easy installation.
  • Several fastener options to work with any fuel cap compartment configuration
  • Fits vehicles orginally equipped with tether
  • Reduces air pollution with proper sealing and venting
  • Manufactured from durable, long-life materials
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Carquest Premium – Fuel Tank Pressure Sensor (Part No.ECA1323)

Fuel Tank Pressure Sensor

from

$199.99
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 – 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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Aisan – Idle Control Valve (Part No.C4030150544AIS)

Idle Control Valve

from

$209.44
The Aisan Idle Control Valve is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Corrosion resistant housing material
  • Premium materials for longer service life
  • Meets or exceeds OEM specifications
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Carquest Premium – Fuel Cap Tester Adapter (Part No.12410)

Fuel Cap Tester Adapter

from

$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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DENSO – Relay (Part No.567-0015)

Relay

from

$16.79
DENSO+s First Time Fit relays are no different from the OE relays DENSO has manufactured for over 60 years + built to be quiet, efficient, and reliable. Designed and manufactured to outlast the closest competitor by a minimum of ten times more life cycles, DENSO+s First Time Fit Relays will most likely out last your car. Holding approximately 30,000 active patents worldwide – approximately 7,300 in the United States – DENSO is going all out to design groundbreaking systems and components tuned especially to consumers’ specifications – whether they are drivers, passengers, pedestrians or society as a whole.
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Carquest Premium – Fuel Pump: Includes Wiring Harness (Part No.E2246801)

Fuel Pump: Includes Wiring Harness

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$119.99
Carquest Premium electric fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our Carquest Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. Carquest Premium electric fuel pumps 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
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Helping You Find the Right Fuel and Emissions Systems for Your Lexus RX300

You love your RX300. So we’ve made it easier than ever to help you find Lexus RX300 Fuel and Emissions Systems in our online catalog. Our inventory holds 84 aftermarket and OEM Fuel and Emissions Systems for your Lexus RX300, ranging from $1.85 to $819.99.

We offer parts from 23 brands trusted to make quality Fuel and Emissions Systems for your Lexus RX300. Before you buy, take some time to read through customer reviews. We currently have 3,420 reviews of Lexus RX300 Fuel and Emissions Systems from previous customers. Some of the top rated parts include Oxygen Sensor: Downstream, 4 Wire, 19.69" Long, Heated, Exact Fit with 4.5 stars and Locking Fuel Cap with 4.3 stars.

Find your RX300 Fuel and Emissions Systems here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Lexus RX300 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Fuel and Emissions Systems Brands for Your Lexus RX300

Our inventory holds Fuel and Emissions Systems for your Lexus RX300 from 23 trusted brands. You’ll find OEM and aftermarket parts from brands like Carquest Premium, Motorad, and Delphi, all of which can keep that Lexus happy.
We have Pierburg parts available for your Lexus RX300 in categories like Fuel Injectors. Some of the top-rated Pierburg parts in these categories are:
Air Mass Sensor
from $225.88
(1)
Air Mass Sensor
Air Flow Meters and Mass Air

Top-Rated Carquest Premium Fuel and Emissions Systems

Leading Carquest Premium Fuel and Emissions Systems

We carry Carquest Premium brand parts for your Lexus RX300 across several catalog categories, including Gas Caps. Some of our most reviewed Carquest Premium parts include:

FAQs for Lexus RX300 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the Lexus RX300?

Out of 84 Fuel and Emissions Systems for the Lexus RX300, the most popular in our inventory are:

What are the top-rated Lexus RX300 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your Lexus RX300 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”