2020 Toyota Highlander Fuel and Emissions Systems

Please Select your Vehicle to See Exact Fit Parts

Essential Fuel and Emissions Systems for 2020 Toyota Highlanders

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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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1121)

Ambient Air Temperature Sensor

from

$46.99
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 – Ambient Air Temperature Sensor (Part No.WTA2054)

Ambient Air Temperature Sensor

from

$59.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Application matched components ensures system operation in like new condition.
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Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-50009)

Remanufactured Mass Air Flow Sensor

from

$69.99
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 percent 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 percent 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 percent 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 percent.
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Delphi – Mass Air Flow Sensor (Part No.AF10658)

Mass Air Flow Sensor

from

$434.99
Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

Product Features:
  • Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
  • Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
  • Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
  • All parts are calibrated and tested to match the OE part
  • Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube
  • Delphi OE technology validated to match the vehicle applications
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Carquest Premium – Non-Locking Fuel Tank Cap (Part No.10834)

Non-Locking Fuel Tank Cap

from

$9.99
Product Features:
  • Reduces air pollution with proper sealing and venting
  • 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 – Locking Fuel Tank Cap (Part No.10507)

Locking Fuel Tank Cap

from

$22.99
Product Features:
  • Protects your fuel from theft and vandalism
  • 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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NTK – Switching Oxygen Sensor: 4 Wire, 21.75" Long, Heated, Direct Fit (Part No.24794)

Switching Oxygen Sensor: 4 Wire, 21.75" Long, Heated, Direct Fit

from

$122.99
NGK 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. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, uses state-of-the art technology enabling control of the ceramic element used in our 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: 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, Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, 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: 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
  • ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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DENSO – Oxygen Sensor: 4 Wire, Direct Fit, Heated, Wire Length: 16.73" (Part No.234-8004)

Oxygen Sensor: 4 Wire, Direct Fit, Heated, Wire Length: 16.73"

from

$162.99
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.
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Carquest Premium – Premium GDI Seal Tool Kit (Part No.ATK-001)

Premium GDI Seal Tool Kit

from

$129.99
This premium tool kit is designed to ensure the correct installation of the combustion seal on Gasoline Direct Injectors (GDI), which require replacement any time the injector is reinstalled. This special tool allows for the expansion of the combustion seal to allow installation onto the injector’s tip and resizing tools to provide precise dimensioning to ensure proper combustion sealing. Constructed of high-quality stainless steel the tool will provide years of trouble-free service and can be used on over 100 unique styles of GDI injectors.

Product Features:
  • Includes two expansion cones
  • Includes two resizing tools
  • Includes one seal installation collet
  • Includes hard case
  • Includes instruction manual
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS037)

Fuel Injector Seal Kit

from

$16.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS024A)

Fuel Injector Seal Kit

from

$7.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS041)

Fuel Injector Seal Kit

from

$5.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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DENSO – Wideband Oxygen Sensor: Upstream, 4 Wire, 13.46" Long, Heated, Exact Fit (Part No.234-9155)

Wideband Oxygen Sensor: Upstream, 4 Wire, 13.46" Long, Heated, Exact Fit

from

$216.99
DENSO Air/Fuel Ratio 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. 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 percent 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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DENSO – Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 17.32" (Part No.234-9158)

Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 17.32"

from

$197.99
DENSO Air/Fuel Ratio 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. DENSO gives you the right part and the right fit¿ the first time.
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DENSO – Wideband Oxygen Sensor: Upstream, 4 Wire, 7.64" Long, Heated, Exact Fit (Part No.234-9092)

Wideband Oxygen Sensor: Upstream, 4 Wire, 7.64" Long, Heated, Exact Fit

from

$241.99
DENSO Air/Fuel Ratio 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. 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 percent 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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Carquest Premium – Vapor Canister Purge Solenoid: Includes Mounting Hardware (Part No.CPC3002)

Vapor Canister Purge Solenoid: Includes Mounting Hardware

from

$114.99
Maximize your vehicle’s efficiency and emissions control with Carquest Vapor Canister Purge Solenoids. Engineered for precision, these solenoids seamlessly regulate the flow of fuel vapors from the Vapor Canister to the engine for cleaner combustion, reducing harmful emissions. Built to meet and/or exceed OEM standards, Carquest Purge Solenoids offer reliable functionality, long-lasting durability, and easy installation.

Product Features:
  • Enhances overall engine performance by providing proper vapor flow to maintain correct air-fuel mixture.
  • Helps reduce harmful emissions and ensures compliance with environmental regulations by controlling the release of fuel vapors into the engine
  • Ensures precise operation with electromagnetic principles to control the flow of fuel vapors from the carbon canister to the engine
  • Manufactured from high quality engineered materials, resistant to fuel vapors and extreme temperatures, ensuring long lasting performance
  • Meets or exceeds all OEM specifications
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Carquest Premium – Vapor Canister Purge Solenoid: Includes Mounting Hardware (Part No.CPC1337)

Vapor Canister Purge Solenoid: Includes Mounting Hardware

from

$87.99
Maximize your vehicle’s efficiency and emissions control with Carquest Vapor Canister Purge Solenoids. Engineered for precision, these solenoids seamlessly regulate the flow of fuel vapors from the Vapor Canister to the engine for cleaner combustion, reducing harmful emissions. Built to meet and/or exceed OEM standards, Carquest Purge Solenoids offer reliable functionality, long-lasting durability, and easy installation.

Product Features:
  • Enhances overall engine performance by providing proper vapor flow to maintain correct air-fuel mixture.
  • Helps reduce harmful emissions and ensures compliance with environmental regulations by controlling the release of fuel vapors into the engine
  • Ensures precise operation with electromagnetic principles to control the flow of fuel vapors from the carbon canister to the engine
  • Manufactured from high quality engineered materials, resistant to fuel vapors and extreme temperatures, ensuring long lasting performance
  • Meets or exceeds all OEM specifications
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Carquest Premium – Vapor Canister Purge Solenoid: Includes Mounting Hardware (Part No.CPC1277)

Vapor Canister Purge Solenoid: Includes Mounting Hardware

from

$99.99
Maximize your vehicle’s efficiency and emissions control with Carquest Vapor Canister Purge Solenoids. Engineered for precision, these solenoids seamlessly regulate the flow of fuel vapors from the Vapor Canister to the engine for cleaner combustion, reducing harmful emissions. Built to meet and/or exceed OEM standards, Carquest Purge Solenoids offer reliable functionality, long-lasting durability, and easy installation.

Product Features:
  • Enhances overall engine performance by providing proper vapor flow to maintain correct air-fuel mixture.
  • Helps reduce harmful emissions and ensures compliance with environmental regulations by controlling the release of fuel vapors into the engine
  • Ensures precise operation with electromagnetic principles to control the flow of fuel vapors from the carbon canister to the engine
  • Manufactured from high quality engineered materials, resistant to fuel vapors and extreme temperatures, ensuring long lasting performance
  • Meets or exceeds all OEM specifications
See More

Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A212-3224)

Remanufactured Multi Port Fuel Injector

from

$61.99
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 – Remanufactured Multi Port Fuel Injector (Part No.A212-3764)

Remanufactured Multi Port Fuel Injector

from

$59.99
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 – Reman Multi Port Fuel Injector – 4 Pack (Part No.A212-3034-4PK)

Reman Multi Port Fuel Injector - 4 Pack

from

$299.99
The Carquest line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly 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.

Product Features:
  • Includes four premium fuel injectors
  • 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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Victor Reinz – Fuel Injection Plenum Gasket Set (Part No.15-10870-01)

Fuel Injection Plenum Gasket Set

from

$45.99
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.
  • Meets or exceeds OE specifications
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Victor Reinz – Fuel Injection Plenum Gasket Set (Part No.15-43057-01)

Fuel Injection Plenum Gasket Set

from

$36.99
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.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications
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Carquest Premium – Fuel Injection Idle Air Control Valve Gasket (Part No.ABA1162)

Fuel Injection Idle Air Control Valve Gasket

from

$8.99
The Fuel Injection Idle Air Control Valve controls the engine idle speed by allowing air to bypass the closed throttle plate. The idle air control valve gasket should be replaced any time the valve is removed for cleaning or service.

Product Features:
  • Application matched component to ensure the system can be returned to like new condition.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Carquest Premium – Fuel Cap Tester Adapter: (Part No.12427)

Fuel Cap Tester Adapter:

from

$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.12422)

Fuel Cap Tester Adapter

from

$39.99
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:

from

$17.79
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
See More

Upgrade your 2020 Toyota Highlander with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2020 Toyota Highlander, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Toyota or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Highlander functioning at its best. At Advance Auto Parts, we offer a wide selection of 21 Fuel and Emissions Systems for the 2020 Toyota Highlander, designed to meet your needs without breaking the bank. From Fuel Injector replacements to Gas Caps upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 2020 Toyota Highlander at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $5.79 to $434.99, with an average price of $143.64. Our 21 Fuel and Emissions Systems in stock come from 6 trusted brands, so you’re sure to find the right part for your 2020 Toyota Highlander without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2020 Toyota Highlander, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like Carquest Premium, and more. Carquest Premium Fuel and Emissions Systems start at just $14.99 and boast an impressive 4.4 stars average rating from customers. With 87 customer reviews and counting, our 2020 Toyota Highlander Fuel and Emissions Systems have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2020 Toyota Highlander is always ready to roll. We’re committed to providing you with everything you need to keep your Highlander in top shape, all in one place. Start shopping confidently below for your 2020 Toyota Highlander!

Best-Selling Fuel Injectors for 2020 Toyota Highlanders

Enhance the driving experience in your Toyota with 8 quality Fuel Injector components, starting at $5.79.

Carquest Premium – Fuel Injector Seal Kit (Part No.AS024A)

Fuel Injector Seal Kit

from

$7.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
See More

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61445)

Fuel Injection Throttle Body Mounting Gasket

from

$5.79
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
See More

Delphi – Mass Air Flow Sensor (Part No.AF10658)

Mass Air Flow Sensor

from

$434.99
Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

Product Features:
  • Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
  • Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
  • Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
  • All parts are calibrated and tested to match the OE part
  • Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube
  • Delphi OE technology validated to match the vehicle applications
See More

DENSO – Mass Air Flow Sensor (Part No.197-7020)

Mass Air Flow Sensor

from

$369.99
DENSO’s innovate designs reduces the size and weight which allows for easy installation. Glass film coated sensing elements reduces contamination exposure and improves reliability.
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Carquest Premium – Reman GDI Fuel Injector (Part No.A512-1524)

Reman GDI Fuel Injector

from

$162.99
The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly 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.

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
See More

Carquest Premium – Premium GDI Seal Tool Kit (Part No.ATK-001)

Premium GDI Seal Tool Kit

from

$129.99
This premium tool kit is designed to ensure the correct installation of the combustion seal on Gasoline Direct Injectors (GDI), which require replacement any time the injector is reinstalled. This special tool allows for the expansion of the combustion seal to allow installation onto the injector’s tip and resizing tools to provide precise dimensioning to ensure proper combustion sealing. Constructed of high-quality stainless steel the tool will provide years of trouble-free service and can be used on over 100 unique styles of GDI injectors.

Product Features:
  • Includes two expansion cones
  • Includes two resizing tools
  • Includes one seal installation collet
  • Includes hard case
  • Includes instruction manual
See More

Carquest Premium – Reman Multi Port Fuel Injector (Part No.A212-4284)

Reman Multi Port Fuel Injector

from

$119.99
The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly 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.

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
See More

Carquest Premium – Reman Multi Port Fuel Injector (Part No.A212-4254)

Reman Multi Port Fuel Injector

from

$119.99
The CARQUEST line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the USA. Injectors are thoroughly 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.

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
See More

Most Popular 2020 Toyota Highlander Gas Caps

Customize your Toyota with 1 Gas Caps products like Gas Caps, all priced under $14.99.

Carquest Premium – Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10825)

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

from

$14.99
Product Features:
  • Reduces air pollution with proper sealing and venting
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
See More

Top Picks for 2020 Toyota Highlander Air Flow Sensors

Upgrade Toyota Highlanders with top-quality Air Flow Sensors parts, including 4 OEM and aftermarket selections for your 2020 model.

DENSO – Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 21.26" (Part No.234-9307)

Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 21.26"

from

$259.99
DENSO Air/Fuel Ratio 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. DENSO gives you the right part and the right fit¿ the first time.
See More

DENSO – Wideband Oxygen Sensor: Upstream, 4 Wire, 9.92" Long, Heated, Exact Fit (Part No.234-9143)

Wideband Oxygen Sensor: Upstream, 4 Wire, 9.92" Long, Heated, Exact Fit

from

$253.99
DENSO Air/Fuel Ratio 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. 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 percent 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
See More

DENSO – Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 16.34" (Part No.234-9304)

Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 16.34"

from

$249.99
DENSO Air/Fuel Ratio 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. DENSO gives you the right part and the right fit¿ the first time.
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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA2054)

Ambient Air Temperature Sensor

from

$59.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Application matched components ensures system operation in like new condition.
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In-Demand Oxygen Sensors for 2020 Toyota Highlanders

Select from 4 premium Oxygen Sensors parts for your 2020 Toyota Highlander, with prices ranging from $129.99 to $395.99.

NTK – Switching Oxygen Sensor: 4 Wire, 11.75" Long, Heated, Direct Fit (Part No.24796)

Switching Oxygen Sensor: 4 Wire, 11.75" Long, Heated, Direct Fit

from

$129.99
NGK 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. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, uses state-of-the art technology enabling control of the ceramic element used in our 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: 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, Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, 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: 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
  • ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Bosch – OXYGEN SENSOR (Part No.16576)

OXYGEN SENSOR

from

$395.99
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
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
  • Recommend to use OTC 6500 Flexihead O2 Sensor Wrench
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DENSO – Oxygen Sensor: 1 Wire, Direct Fit, Unheated, Wire Length: 10.43" (Part No.234-8072)

Oxygen Sensor: 1 Wire, Direct Fit, Unheated, Wire Length: 10.43"

from

$179.99
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.
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DENSO – Oxygen Sensor: 4 Wire, Direct Fit, Heated, Wire Length: 16.73" (Part No.234-8004)

Oxygen Sensor: 4 Wire, Direct Fit, Heated, Wire Length: 16.73"

from

$162.99
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.
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Most Sold 2020 Toyota Highlander Fuel Pumps

Explore our best-selling Toyota parts for the 2020 Highlander among 2 OEM and aftermarket options starting from $17.79.

Carquest Premium – Fuel Cap Tester Adapter: (Part No.12427)

Fuel Cap Tester Adapter:

from

$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:

from

$17.79
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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Top-Rated Fuel and Emissions Systems Brands For Your 2020 Toyota Highlander

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2020 Toyota Highlanders. Below you’ll find some of our best rated Fuel and Emissions Systems from Carquest Premium, and more. Fuel and Emissions Systems from these brands that fit a 2020 Highlander start at just $14.99 and are rated as high as 4.4 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular Carquest Premium 2020 Toyota Highlander Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2020 Toyota Highlander, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Fuel and Emissions Systems, specifically designed for the 2020 Toyota Highlander. With over 1 Carquest Premium brand Fuel and Emissions Systems in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $14.99. Plus, with over 31 customer reviews and an average rating of 4.4 stars, you can trust that our Carquest Premium Fuel and Emissions Systems will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack
from $14.99
(31)
Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“solved check engine light”

FAQs for 2020 Toyota Highlander Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2020 Toyota Highlanders?

Out of 21 Fuel and Emissions Systems that fit 2020 Toyota Highlanders, the following parts are the top sellers:

What’s the price range for 2020 Toyota Highlander Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2020 Toyota Highlander start at $5.79 and go up to $434.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2020 Toyota Highlander?

The average price for Fuel and Emissions Systems for the 2020 Toyota Highlander is $143.64. Keep in mind the variety of part types within our Fuel and Emissions System category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel and Emissions Systems for other Toyota Highlander model years?

Yes, we currently carry Fuel and Emissions Systems for 23 model years of Toyota Highlanders between 2001 and 2025. Fuel and Emissions Systems are bought most frequently for the following model years: 2023, 2022, 2021, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Fuel and Emissions Systems for my 2020 Toyota Highlander?

The cheapest 2020 Toyota Highlander Fuel and Emissions Systems we carry in stock are:

What are the top-rated Fuel and Emissions Systems that fit the 2020 Toyota Highlander?

Out of 87 reviews by customers, our 2020 Toyota Highlander Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 2020 Toyota Highlander and their top-rated products:

What types of Fuel and Emissions Systems do you sell for my 2020 Toyota Highlander?

Can I get help with 2020 Toyota Highlander Fuel and Emissions System orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Toyota Fuel and Emissions Systems and more.

What is your return policy for Toyota Highlander Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Toyota Highlander Fuel and Emissions Systems and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.