1991 Lexus LS400 Fuel and Emissions Systems

Essential 1991 Lexus LS400 Fuel and Emissions Systems

Bosch – Oxygen Sensor: 4 Wire, 24.92" Long, Heated, Universal (Part No.15733)

Oxygen Sensor: 4 Wire, 24.92" Long, Heated, Universal

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$80.99
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
  • 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 – Barometric Pressure Sensor Connector (Part No.PTA1104)

Barometric Pressure Sensor Connector

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$21.99
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.

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
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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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Ishino Stone – THROTTLE BODY GASKET (Part No.C7001268604ISH)

THROTTLE BODY GASKET

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$39.85
THROTTLE BODY GASKET

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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DENSO – Original Equipment Quality Electric Fuel Pump (Part No.951-0013)

Original Equipment Quality Electric Fuel Pump

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$148.99
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 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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$24.32
Fuel Tank Cap Seal

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

Fuel Injector O-Ring

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$4.43
Fuel Injector O-Ring

Carquest Premium – Remanufactured Fuel Injector (Part No.A212-1284)

Remanufactured Fuel Injector

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$48.49
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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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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Delphi – Fuel Injection Pressure Regulator (Part No.FP10728)

Fuel Injection Pressure Regulator

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$183.99
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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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

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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Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.70475)

Exhaust Gas Recirculation (EGR) Valve Gasket

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$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
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Temperature Sensor (Part No.EGA1437)

Exhaust Gas Recirculation (EGR) Valve Temperature Sensor

from

$165.99
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 – Universal Oxygen Sensor (Part No.C5010100819ND)

Universal Oxygen Sensor

from

$64.24
Denso Universal 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. Denso First Time Fit oxygen sensors are coated with a special formulation of aluminum oxide to trap impurities outside of the ceramic element. In head-to-head testing against the leading competitors, DENSO oxygen sensors were rated two times more resistant to silicone and lead poisoning.

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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Carquest Premium – Fuel Pump Strainer FS2510488 (Part No.FS2510488)

Fuel Pump Strainer FS2510488

from

$13.99
CARQUEST Premium electric fuel pumps are built 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
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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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Ishino – Fuel Inject Cushion Ring (Part No.C1011144339ISH)

Fuel Inject Cushion Ring

from

$4.43
Fuel Inject Cushion Ring

Carquest – Fuel Injector Seal Kit (Part No.274751)

Fuel Injector Seal Kit

from

$15.05
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
  • 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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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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Victor Reinz – Fuel Injector O-Ring Kit (Part No.15-11974-01)

Fuel Injector O-Ring Kit

from

$7.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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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 – 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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Carquest Premium – Multi Purpose Relay (Part No.RAA1251)

Multi Purpose Relay

from

$20.99
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.RAA1297)

Multi Purpose Relay

from

$6.29
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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1991 Lexus LS400 Fuel and Emissions Systems

You count on your 1991 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 47 Fuel and Emissions Systems ranging in price from $1.74 to $221.99, you’re sure to find everything you need for your 1991 Lexus LS400.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 14 different brands like Carquest Premium, Motorad, and Delphi. 1991 Lexus LS400 Fuel and Emissions Systems start as low as $1.74!

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 400 extensive product reviews on 1991 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 FUEL INJECTOR O-RING SET with 4.3 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 1991 Lexus LS400 below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1991 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 1991 Lexus LS400 running right for years to come. In our inventory you’ll find brands like Carquest Premium, Motorad, Delphi, and even more.

Popular DENSO Fuel and Emissions Systems

You’ll find popular DENSO brand products across Oxygen Sensors. All are waiting to get your 1991 Lexus LS400 back on the road. Some of the top-rated DENSO products in these categories are:

FAQs for 1991 Lexus LS400 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 1991 Lexus LS400?

Out of 47 Fuel and Emissions Systems for the 1991 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
Fuel Tank Cleaning Kit
from $12.49
This product is not rated
Fuel Tank Cleaning Kit
Fuel Tank Cleaning Kits

What are the top-rated 1991 Lexus LS400 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 1991 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
“The product I use to keep thefts from occurring and my gas be gone”
FUEL INJECTOR O-RING SET
from $7.99
(12)
FUEL INJECTOR O-RING SET
“Can’t go wrong with Fel-Pro”
Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Exact Fit
from $69.99
(8)
Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Exact Fit
“Very east to connected”