1998 Lexus LS400 Fuel and Emissions Systems

Essential 1998 Lexus LS400 Fuel and Emissions Systems

DENSO – Oxygen Sensor: Downstream, 4 Wire, 33.07" Long, Heated, Exact Fit (Part No.234-4603)

Oxygen Sensor: Downstream, 4 Wire, 33.07" Long, Heated, Exact Fit

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$109.99
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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Bosch – Fuel Pump Strainer (Part No.68029)

Fuel Pump Strainer

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$21.99
This Bosch fuel strainer is manufactured to greater-than-OE specification for enhanced durability.

Product Features:
  • Multilayered filter media with 99% efficiency**
  • Robust aluminum-, plastic-, or surface-treated steel filter housing designed to withstand high pressure thus offering a longer fuel filter service life
  • High micron rating comparable to OE
  • Always recommend replacing fuel strainer when replacing a fuel pump to ensure long and reliable service life
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Dorman – Evaporative Emissions Purge Solenoid Valve (Part No.911-488)

Evaporative Emissions Purge Solenoid Valve

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$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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Carquest Premium – Remanufactured Fuel Injector (Part No.A212-2504)

Remanufactured Fuel Injector

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$52.99
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 – Exhaust Gas Recirculation (EGR) Valve (Part No.EGC1992)

Exhaust Gas Recirculation (EGR) Valve

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$674.99
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.60893)

Fuel Injection Throttle Body Mounting Gasket

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$4.29
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 – Vapor Canister Purge Solenoid (Part No.CPC1101)

Vapor Canister Purge Solenoid

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$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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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1078)

Exhaust Gas Recirculation (EGR) Valve Gasket

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

Multi Purpose Relay

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$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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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Temperature Sensor (Part No.EGA1509)

Exhaust Gas Recirculation (EGR) Valve Temperature Sensor

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$240.99
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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Cardone – Mass Air Flow Sensor (Part No.74-50023)

Mass Air Flow Sensor

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$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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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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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

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$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

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

Fuel Inject Cushion Ring, Grommet

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$2.20
Fuel Inject Cushion Ring, Grommet

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

Fuel Injection Pressure Damper

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$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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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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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 – Electric Fuel Pump Inertia Switch (Part No.SBA4426)

Electric Fuel Pump Inertia Switch

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$84.99
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 – Electric Fuel Pump: With Hose Clamps, Hose Piece, Isolator, Pall Nut, Seals (Part No.FE0486)

Electric Fuel Pump: With Hose Clamps, Hose Piece, Isolator, Pall Nut, Seals

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$138.99
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
  • Lower amperage draws less load on vehicle’s electrical system
  • 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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Bosch – Bosch Oxygen Sensor (Part No.C5010111326BOS)

Bosch Oxygen Sensor

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$104.57
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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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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Ishino – Fuel Injector O-Ring (Part No.C1012184281ISH)

Fuel Injector O-Ring

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$4.43
Fuel Injector O-Ring

Carquest – Fuel Injector Seal Kit (Part No.274712)

Fuel Injector Seal Kit

from

$5.99
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
  • State-of-the-art designs that meet or exceed OE specifications
  • Top-of-the-line quality and performance
  • 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 – 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

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$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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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 – 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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1998 Lexus LS400 Fuel and Emissions Systems

You count on your 1998 Lexus LS400 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 52 Fuel and Emissions Systems ranging in price from $2.20 to $674.99, you’re sure to find everything you need for your 1998 Lexus LS400.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 16 different brands like Bosch, Carquest Premium, and DENSO. 1998 Lexus LS400 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 590 extensive product reviews on 1998 Lexus LS400 Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Locking Fuel Cap: 10595, Screw On, Direct Fit, Provides Tight Seal, 1 Pack with 4.5 stars and A/C Compressor Clutch Relay with 4.7 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 1998 Lexus LS400 below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1998 Lexus LS400

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 1998 Lexus LS400 running right for years to come. In our inventory you’ll find brands like Bosch, Carquest Premium, DENSO, and even more.

Popular Cardone Fuel and Emissions Systems

You’ll find popular Cardone brand products across Fuel Injectors. All are waiting to get your 1998 Lexus LS400 back on the road. Some of the top-rated Cardone products in these categories are:
Mass Air Flow Sensor
from $90.99
(1)
Mass Air Flow Sensor
Air Flow Meters and Mass Air

Top-Rated DENSO Fuel and Emissions Systems


If DENSO are what you’re looking for, our inventory holds plenty. We stock DENSO brand Fuel and Emissions Systems for your 1998 Lexus LS400, and some of our most reviewed DENSO parts include:

FAQs for 1998 Lexus LS400 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 1998 Lexus LS400?

Out of 52 Fuel and Emissions Systems for the 1998 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 1998 Lexus LS400 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 1998 Lexus LS400 based on customer reviews/ratings are:
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!”
A/C Compressor Clutch Relay
from $40.99
(6)
A/C Compressor Clutch Relay
“exact fit and works well.”