2023 Toyota Highlander Fuel and Emissions Systems
Find Your Specific 2023 Toyota Highlander Fuel and Emissions Systems
Below you will find various in-demand Toyota Fuel and Emissions Systems, components and accessories for your 2023 Highlander. Advance Auto Parts has popular Highlander parts like Fuel Injectors, Air Flow Sensors, Gas Caps and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other Highlander model years including
2014,
2015,
2016,
2017,
2018,
2019,
2020,
2021,
2022 and more. Select a category of 2023 Toyota Highlander Fuel and Emissions Systems below and start saving instantly.
Popular 2023 Toyota Highlander Fuel and Emissions Systems Categories
Essential Fuel and Emissions Systems for 2023 Toyota Highlanders
DENSO – Wideband Oxygen Sensor: Upstream, 4 Wire, 20.08" Long, Heated, Exact Fit (Part No.234-9049)
from
$181.99
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:
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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
DENSO – Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 13.78" (Part No.234-9161)
from
$236.99
DENSO Air/Fuel Ratio Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision-built for exact replacement and a first time fit. DENSO gives you the right part and the right fit.
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DENSO – Wideband Oxygen Sensor: Upstream, 4 Wire, 9.92" Long, Heated, Exact Fit (Part No.234-9143)
from
$232.99
DENSO Air/Fuel Ratio Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision-built for exact replacement and a first time fit. DENSO gives you the right part and the right fit.
Product Features:
See More
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
DENSO – Wideband Oxygen Sensor: Upstream, 4 Wire, 8.66" Long, Heated, Exact Fit (Part No.234-9068)
from
$214.99
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:
See More
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
MAHLE Original – Fuel Injector Seal Kit (Part No.B45854)
from
$7.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
Product Features:
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Product Features:
- All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
- MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
- MAHLE gaskets is the leader in Domestic, Asian and European applications
- The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
Felpro – Fuel Injector O-Ring Kit (Part No.ES 71859)
from
$5.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
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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
Carquest Premium – Fuel Injector Seal Kit (Part No.AS024A)
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. Each kit services one injector and includes hard to find or previously dealer-only components.
Product Features:
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Product Features:
- Premium OE quality materials
- Services one injector
Carquest Premium – Fuel Injector Seal Kit (Part No.AS096)
from
$11.99
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. Use CARQUEST tool kit ATK-001 or equivalent for proper installation of combustion seal.
Product Features:
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Product Features:
- Premium OE quality materials
- Includes upper o-ring
- Includes plastic split ring
- Includes plastic split ring
- Includes combustion seal
Delphi – Fuel Tank Cleaning Kit (Part No.FC01)
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:
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Product Features:
- Helps avoid premature fuel pump failure
- Lint free towel included
- Low suds formulation
- Removes harmful contaminants from the fuel tank
Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17505)
from
$10.99
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:
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Product Features:
- Passes all state and federal emissions tests
- Independently tested for emission control
- Independently tested for emission control
- Protects your fuel from theft and vandalism
- Reduces air pollution with proper sealing and venting
- Manufactured from durable, long-life materials
Motorad – Non-Locking Tethered Fuel Tank Cap (Part No.MGC817T)
from
$24.29
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:
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Product Features:
- Come pre-assembled for quick and easy installation.
- Several fastener options to work with any fuel cap compartment configuration
- Fits vehicles orginally equipped with tether
- Reduces air pollution with proper sealing and venting
- Manufactured from durable, long-life materials
Carquest Premium – Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10837)
from
$14.99
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:
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Product Features:
- 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
Carquest Premium – Gas Cap: Twist On, Reduces Air Pollution, 1 Pack (Part No.10817)
from
$15.99
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:
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Product Features:
- 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
DENSO – Oxygen Sensor: Downstream, 4 Wire, 27.48" Long, Heated, Exact Fit (Part No.234-4948)
from
$163.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. 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 poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.
Product Features:
See More
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
Bosch – Oxygen Sensor: 4 Wire, 28.74" Long, Heated, Exact Fit (Part No.15244)
from
$74.99
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:
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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
Bosch – Oxygen Sensor: 4 Wire, 183.07" Long, Heated, Exact Fit (Part No.13338)
from
$79.99
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:
See More
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
DENSO – Oxygen Sensor: Downstream, 4 Wire, 10.24" Long, Heated, Exact Fit (Part No.234-4149)
from
$116.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. 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 poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.
Product Features:
See More
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
DENSO – Oxygen Sensor: Downstream, 4 Wire, 19.69" Long, Heated, Exact Fit (Part No.234-4215)
from
$109.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. 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 poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.
Product Features:
See More
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
DENSO – Mass Air Flow Sensor (Part No.197-6020)
from
$156.99
DENSO’s innovated designs reduces the size and weight which allows for easy installation. Glass film coated sensing elements reduces contamination exposure and improves reliability.
Product Features:
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Product Features:
- OE technology adapted for the aftermarket
- Reduces emissions, increased performance
- Delivers the highest reliability and detection accuracy
Delphi – Mass Air Flow Sensor (Part No.AF10658)
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:
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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
Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-50009)
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:
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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.
DENSO – Mass Air Flow Sensor (Part No.197-6110)
from
$196.99
DENSO’s innovated designs reduces the size and weight which allows for easy installation. Glass film coated sensing elements reduces contamination exposure and improves reliability.
Product Features:
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Product Features:
- OE technology adapted for the aftermarket
- Reduces emissions, increased performance
- Delivers the highest reliability and detection accuracy
Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6203)
from
$93.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.
Product Features:
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Product Features:
- CARQUEST MAF use all new high-quality components at the highest quality standards.
- Manufactured with new and advanced technology to perform, fit and function at OE specifications.
- All new product that is tested with OEM equipment to OEM standards
- Outperforms competition when tested in extreme environmental conditions
Carquest Premium – Reman Multi Port Fuel Injector (Part No.A212-4284)
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:
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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
Carquest Premium – Remanufactured Fuel Injector (Part No.A212-3034)
from
$99.99
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:
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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
Carquest Premium – Remanufactured Fuel Injector (Part No.A212-2434)
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:
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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
Carquest Premium – Remanufactured Fuel Injector (Part No.A212-3804)
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:
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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
Carquest Premium – Reman Multi Port Fuel Injector (Part No.A212-4254)
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:
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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
Upgrade your 2023 Toyota Highlander with Top-Quality Fuel and Emissions Systems
When it comes to maintaining or upgrading your 2023 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 12 Fuel and Emissions Systems for the 2023 Toyota Highlander, designed to meet your needs without breaking the bank.
From
Fuel Injector
replacements to
Air Flow Sensors
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 2023 Toyota Highlander at great prices.
Our Fuel and Emissions Systems inventory for this model
ranges from just $7.99 to $438.99, with
an average price of $209.01.
Our 12 Fuel and Emissions Systems in stock come from 5 trusted brands, so you’re sure to find the right part for your 2023 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 2023 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 61 customer reviews and counting, our 2023 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 2023 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 2023 Toyota Highlander!
Best-Selling Fuel Injectors for 2023 Toyota Highlanders
Enhance the driving experience in your Toyota with 4 quality Fuel Injector components, starting at $7.99.
Carquest Premium – Fuel Injector Seal Kit (Part No.AS024A)
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. Each kit services one injector and includes hard to find or previously dealer-only components.
Product Features:
See More
Product Features:
- Premium OE quality materials
- Services one injector
Delphi – Mass Air Flow Sensor (Part No.AF10658)
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:
See 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
DENSO – Mass Air Flow Sensor (Part No.197-7020)
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.
See More
Carquest Premium – Reman Multi Port Fuel Injector (Part No.A212-4284)
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:
See More
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
Most Popular 2023 Toyota Highlander Air Flow Sensors
Customize your Toyota with 2 Air Flow Sensors products
like Air- Fuel Ratio Sensors, all
priced under $246.99.
DENSO – Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 16.34" (Part No.234-9304)
from
$246.99
DENSO Air/Fuel Ratio Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision-built for exact replacement and a first time fit. DENSO gives you the right part and the right fit.
See More
DENSO – Air-Fuel Ratio Sensor 4 Wire, Direct Fit, Heated, Wire Length: 21.26" (Part No.234-9307)
from
$232.99
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
Top Picks for 2023 Toyota Highlander Gas Caps
Upgrade Toyota Highlanders with top-quality Gas Caps parts, including 4 OEM and aftermarket selections for your 2023 model.
Carquest Premium – Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10825)
from
$14.99
Product Features:
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- 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
Carquest Premium – Locking Fuel Tank Cap (Part No.10595)
from
$22.29
Product Features:
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- Independently tested for emission control
- 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
Motorad – Non-Locking Tethered Fuel Tank Cap (Part No.MGC825T)
from
$22.29
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:
See More
Product Features:
- Come pre-assembled for quick and easy installation.
- Several fastener options to work with any fuel cap compartment configuration
- Fits vehicles orginally equipped with tether
- Reduces air pollution with proper sealing and venting
- Manufactured from durable, long-life materials
Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17595)
from
$12.79
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:
See More
Product Features:
- Passes all state and federal emissions tests
- Independently tested for emission control
- Protects your fuel from theft and vandalism
- Reduces air pollution with proper sealing and venting
- Reduces air pollution with proper sealing and venting
- Manufactured from durable, long-life materials
In-Demand Oxygen Sensors for 2023 Toyota Highlanders
Select from 1 premium Oxygen Sensors parts for your 2023 Toyota Highlander.
Bosch – OXYGEN SENSOR (Part No.16576)
from
$438.99
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:
See More
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
Most Sold 2023 Toyota Highlander Fuel Tanks
Explore our best-selling Toyota parts for the 2023 Highlander among 1 OEM and aftermarket options starting from $12.49.
Delphi – Fuel Tank Cleaning Kit (Part No.FC01)
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:
See More
Product Features:
- Helps avoid premature fuel pump failure
- Lint free towel included
- Low suds formulation
- Removes harmful contaminants from the fuel tank
Top-Rated Fuel and Emissions Systems Brands For Your 2023 Toyota Highlander
Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2023 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 2023 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 2023 Toyota Highlander Fuel and Emissions Systems
When it comes to maintaining or upgrading your 2023 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 2023 Toyota Highlander. With over 2 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, with an average price of just $18.64. Plus, with over 47 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.
from
$14.99
(31)
Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“solved check engine light”
from
$22.29
(16)
Locking Fuel Tank Cap
“The product I use to keep thefts from occurring and my gas be gone”
FAQs for 2023 Toyota Highlander Fuel and Emissions Systems
Which Fuel and Emissions Systems are best-sellers for 2023 Toyota Highlanders?
Out of 12 Fuel and Emissions Systems that fit 2023 Toyota Highlanders, the following parts are the top sellers:
- Non-Locking Tethered Fuel Tank Cap (12102513) – $22.29
- Fuel Tank Cleaning Kit (11692237) – $12.49
- Keyed Alike Locking Fuel Cap (10069373) – $12.79
What’s the price range for 2023 Toyota Highlander Fuel and Emissions Systems?
Fuel and Emissions System prices for the 2023 Toyota Highlander start at $7.99 and go up to $438.99 for the most premium parts.
What’s the average price of a Fuel and Emissions System for a 2023 Toyota Highlander?
The average price for Fuel and Emissions Systems for the 2023 Toyota Highlander is $209.01. 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?
What are the cheapest Fuel and Emissions Systems for my 2023 Toyota Highlander?
The cheapest 2023 Toyota Highlander Fuel and Emissions Systems we carry in stock are:
- Fuel Injector Seal Kit (11450352) – $7.99
- Fuel Tank Cleaning Kit (11692237) – $12.49
- Keyed Alike Locking Fuel Cap (10069373) – $12.79
- Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (18481518) – $14.99
- Non-Locking Tethered Fuel Tank Cap (12102513) – $22.29
What are the top-rated Fuel and Emissions Systems that fit the 2023 Toyota Highlander?
Out of 61 reviews by customers, our 2023 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 2023 Toyota Highlander and their top-rated products:
- Fuel Injectors
- Fuel Injector Seal Kit (11450352) – $7.99
What types of Fuel and Emissions Systems do you sell for my 2023 Toyota Highlander?
As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2023 Toyota Highlander:
Can I get help with 2023 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.
