Lexus LS400 Fuel and Emissions Systems

Essential Lexus LS400 Fuel and Emissions Systems

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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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 – Relay (Part No.567-0015)

Relay

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$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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Delphi – Fuel Pump Strainer (Part No.E10101450263DEL)

Fuel Pump Strainer

from

$32.92
For more than a century, Delphi has been making the parts cars are born with – often developing new technologies in the process. Keep your fuel pumps running smoothly with the Delphi fuel pump strainer. The Delphi fuel pump strainer filters the fuel to prevent small debris and grit from entering the fuel pump and its mechanisms.

Product Features:
  • OE Supplier, direct fit application
  • Delphi strainers are high quality that meet or exceed vehicle specifications
  • Designed with 36 micron filtration performance ensures contaminates are kept out
  • Delphi strainers extend the pumps life and performance
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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1078)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$3.49
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.
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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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Wells Vehicle Electronics – Fuel Injection Pressure Damper (Part No.3G1017)

Fuel Injection Pressure Damper

from

$56.99
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 Injection Throttle Body Mounting Gasket (Part No.61281)

Fuel Injection Throttle Body Mounting Gasket

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$22.99
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 and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Bosch – Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Exact Fit (Part No.15727)

Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Exact Fit

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$69.99
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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds OE specifications
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Carquest Premium – Fuel Cap Tester Adapter (Part No.12427)

Fuel Cap Tester Adapter

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$34.99
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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Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1101)

Vapor Canister Purge Solenoid

from

$62.99
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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Mark Automotive – Fuel Tank Cap Seal (Part No.E206089586MAM)

Fuel Tank Cap Seal

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$19.45
Fuel Tank Cap Seal

Bosch – Bosch Oxygen Sensor (Part No.C5010111326BOS)

Bosch Oxygen Sensor

from

$104.36
The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
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Ishino – Fuel Injector O-Ring (Part No.C1012184281ISH)

Fuel Injector O-Ring

from

$4.75
Fuel Injector O-Ring

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve (Part No.EGC1992)

Exhaust Gas Recirculation (EGR) Valve

from

$1025.99
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.A212-1364)

Remanufactured Fuel Injector

from

$45.99
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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Carquest Premium – Fuel Pump Relay (Part No.RAA1955)

Fuel Pump Relay

from

$6.49
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.
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Dorman – Evaporative Emissions Purge Solenoid Valve (Part No.911-488)

Evaporative Emissions Purge Solenoid Valve

from

$82.99
Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the original equipment purge valve. It is critical to the evaporative emissions system and fulfills government requirements.

Product Features:
  • Direct replacement – this vapor canister purge valve fits and functions like original equipment to ensure proper function of your vehicle’s evaporative emissions system.
  • Quality construction – manufactured from premium materials for a long service life.
  • Excellent value – original equipment quality at a lower price
  • Quality tested – has undergone testing to ensure proper fit and performance
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Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-50023)

Remanufactured Mass Air Flow Sensor

from

$90.99
CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100% re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:
  • 100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
  • On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
  • All modules are 100% tested with automated computer test equipment to ensure full functionality and reliability.
  • Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle┐s engine control management system.
  • Components are rated to handle demanding temperature variations for optimum reliability in every environment.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
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Ishino – Fuel Inject Cushion Ring (Part No.C1011144339ISH)

Fuel Inject Cushion Ring

from

$4.39
Fuel Inject Cushion Ring

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 Premium – Locking Fuel Cap: 10595, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10595)

Locking Fuel Cap: 10595, Screw On, Direct Fit, Provides Tight Seal, 1 Pack

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

Idle Air Control Valve

from

$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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Carquest Premium – Multi Purpose Relay (Part No.RAA1564)

Multi Purpose Relay

from

$109.99
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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Ishino – Fuel Inject Cushion Ring (Part No.C1011144317ISH)

Fuel Inject Cushion Ring

from

$2.17
Fuel Inject Cushion Ring

Helping You Find the Right Fuel and Emissions Systems for Your Lexus LS400

You love your LS400. So we’ve made it easier than ever to help you find Lexus LS400 Fuel and Emissions Systems in our online catalog. Our inventory holds 82 aftermarket and OEM Fuel and Emissions Systems for your Lexus LS400, ranging from $1.85 to $1,025.99.

We offer parts from 19 brands trusted to make quality Fuel and Emissions Systems for your Lexus LS400. Before you buy, take some time to read through customer reviews. We currently have 4,567 reviews of Lexus LS400 Fuel and Emissions Systems from previous customers. Some of the top rated parts include Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit with 3.0 stars and Locking Fuel Cap: 10595, Screw On, Direct Fit, Provides Tight Seal, 1 Pack with 4.5 stars.

Find your LS400 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 LS400 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 LS400

Our inventory holds Fuel and Emissions Systems for your Lexus LS400 from 19 trusted brands. You’ll find OEM and aftermarket parts from brands like Bosch, Carquest Premium, and DENSO, all of which can keep that Lexus happy.
We have Cardone parts available for your Lexus LS400 in categories like Fuel Injectors. Some of the top-rated Cardone parts in these categories are:
Remanufactured Mass Air Flow Sensor
from $90.99
(1)
Remanufactured Mass Air Flow Sensor
Air Flow Meters and Mass Air

Top-Rated DENSO Fuel and Emissions Systems

Leading DENSO Fuel and Emissions Systems

We carry DENSO brand parts for your Lexus LS400 across several catalog categories, including Oxygen Sensors. Some of our most reviewed DENSO parts include:

FAQs for Lexus LS400 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the Lexus LS400?

Out of 82 Fuel and Emissions Systems for the Lexus LS400, the most popular in our inventory are:
Tethered Fuel Cap
from $21.99
This product is not rated
Tethered Fuel Cap
Gas Caps

What are the top-rated Lexus LS400 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your Lexus LS400 based on customer reviews/ratings are:
Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit
from $81.99
(24)
Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit
“Oxygen sensor was exactly like the OEM, except you have to splice the plug onto the new sensor. No big deal, very simple and takes about ten minutes t”
Locking Fuel Cap: 10595, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
from $21.99
(16)
Locking Fuel Cap: 10595, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“Locking Gas Cap works great!”
FUEL INJECTOR O-RING SET
from $7.99
(12)
FUEL INJECTOR O-RING SET
“Can’t go wrong with Fel-Pro”