2021 Lincoln Navigator Fuel and Emissions Systems

Essential Fuel and Emissions Systems for 2021 Lincoln Navigators

Carquest Premium – Remanufactured Fuel Injector (Part No.A211-2062)

Remanufactured Fuel Injector

from

$55.99
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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Dorman – Fuel Pump Driver Module with Mounting Bolts (OE Fix) (Part No.590-001)

Fuel Pump Driver Module with Mounting Bolts (OE Fix)

from

$121.99
The original equipment fuel pump driver module on millions of Ford, Lincoln, Mazda and Mercury vehicles often corrodes and fails over time due to its design and location. The module’s mounted to the frame, exposing it to road debris and making it hard to clean, and its die cast housing is susceptible to corrosion. This Dorman OE FIX replacement has a powder-coated housing to help increase longevity, and features newly designed rubber bushings to position the module off the frame, so that it doesn’t touch the dissimilar metal or accumulate debris underneath. As a bonus, inside is a reengineered microprocessor for improved response times. The module was designed and engineered in the United States, and fully assembled and tested at our advanced electronics facility in Lewisberry, Pennsylvania. Don’t replace your module with one that could fail the same way again, and don’t be fooled by lower-quality knock-offs of this improved design. Choose the Dorman OE FIX solution to truly fix your problem.

Product Features:
  • Upgraded components – this fuel pump driver module replaces the original equipment part with an improved microprocessor for better response time
  • Greater durability – powder-coated housing resists corrosion, and bushings position module away from steel frame for increased protection
  • Trustworthy quality – designed and engineered in the USA, and fully assembled and tested at our advanced electronics facility in Lewisberry, Pennsylvania
  • Hardware included – two sets of new fasteners included for a complete and reliable installation
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Motorcraft – Fuel Injector O-Ring Kit (Part No.CM-4717)

Fuel Injector O-Ring Kit

from

$15.99
All Motorcraft Seal designs undergo rigorous lab and real world tests in order to provide original equipment performance and reliability. Motorcraft Seals are extensively tested for proper seating and sealing under both temperature and pressure extremes.

Product Features:
  • Why Buy:
  • The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.
  • Motorcraft and Ford Parts are used throughout Ford vehicles in a variety of applications that help ensure the proper build quality, integrity and long-lasting performance of every Ford car or truck.
  • Motorcraft and Ford Parts are manufactured from first-quality materials – chosen specifically for maximum performance and application suitability.
  • As with all Motorcraft and Ford Parts, any innovations or improvements developed since the manufacture of the vehicle are included in these aftermarket replacement parts, ensuring the most current technology and performance
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Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10027-01)

Fuel Injector O-Ring Kit

from

$8.99
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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DENSO – Wideband Oxygen Sensor: Upstream, 5 Wire, 33.27" Long, Heated, Exact Fit (Part No.234-5108)

Wideband Oxygen Sensor: Upstream, 5 Wire, 33.27" Long, Heated, Exact Fit

from

$179.99
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

NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 12.8" Long, Heated, Direct Fit (Part No.24334)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 12.8" Long, Heated, Direct Fit

from

$132.99
NGK is the sensor specialist for import and domestic applications. Established under the NGK product family, oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramic company at our core, uses cutting-edge technology to control the ceramic used in our oxygen sensors from raw material to finished product. is the world’s largest supplier and manufacturer of OE oxygen sensors. Combining expertise and innovation, oxygen sensors deliver superior fit, form, and function. oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive 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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Motorcraft – Original Equipment (O.E.) Gasket (Part No.CG-796)

Original Equipment (O.E.) Gasket

from

$10.49
The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.

Product Features:
  • Available for most Ford Lincoln and Mercury vehicle applications.
  • Specifically designed for each application for optimum performance and easy installation.
  • Designed to meet precise Ford O.E. engineering standards for fit, functionality and durability.
  • High-strength materials used for long, trouble-free service life.
  • Ford O-Rings provide effective sealing against water, oil, gases, chemicals and harmful contaminants.
  • Engineered to maintain reliable sealing under harsh conditions, including temperature and pressure extremes.
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Dorman – Fuel Tank O-Ring (Part No.911-245)

Fuel Tank O-Ring

from

$44.99
This fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles
  • Restores functionality – reliable replacement for an original part that has failed due to fatigue or due for replacement during fuel pump tank service
  • Durable construction – recommended for replacement when the fuel pump or sensor is replaced
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
See More

NTK – Ambient Air Temperature Sensor (Part No.EF0103)

Ambient Air Temperature Sensor

from

$29.99
Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clips included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
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Dorman – Ambient Air Temperature Sensor (Part No.902-028)

Ambient Air Temperature Sensor

from

$18.99
This ambient air temperature sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this ambient air temperature sensor is designed to match the fit and function of the original sensor on specified vehicles
  • Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
  • Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Vapor Canister Vent Solenoid (Part No.CPA1061)

Vapor Canister Vent Solenoid

from

$76.99
Ensure that your vehicle’s emission control system performs at its best with Carquest premium Vapor Canister Vent Valves. Manufactured for long-lasting performance, these Vent Valves provide reliable operation and help maintain your vehicle’s compliance with environmental regulations. For cleaner emissions, optimal vehicle efficiency and perfomance, trust Carquest Vapor Canister Vent Valves.

Product Features:
  • Provides closure for the EVAP system (normally vented) during OBD II test cycle
  • Includes integrated filter, where applicable, that captures contaminants and particulates from incoming air, preventing clogging and ensuring clean airflow
  • Quick valve response to engine demands, ensuring efficient venting of vapors and optimizing overall engine performance
  • Meets or exceeds all OEM specifications
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Carquest Premium – Vapor Canister Vent Solenoid (Part No.CPC1054)

Vapor Canister Vent Solenoid

from

$96.99
Ensure that your vehicle’s emission control system performs at its best with Carquest premium Vapor Canister Vent Valves. Manufactured for long-lasting performance, these Vent Valves provide reliable operation and help maintain your vehicle’s compliance with environmental regulations. For cleaner emissions, optimal vehicle efficiency and perfomance, trust Carquest Vapor Canister Vent Valves.

Product Features:
  • Provides closure for the EVAP system (normally vented) during OBD II test cycle
  • Includes integrated filter, where applicable, that captures contaminants and particulates from incoming air, preventing clogging and ensuring clean airflow
  • Quick valve response to engine demands, ensuring efficient venting of vapors and optimizing overall engine performance
  • Meets or exceeds all OEM specifications
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AS051)

Fuel Injector Seal Kit

from

$9.99
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:
  • Premium OE quality materials
  • Services one injector
See More

ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings (Part No.217-3414)

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings

from

$10.29
The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Carquest Premium – Multi-Use Connector (Part No.ABA3461)

Multi-Use Connector

from

$13.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • 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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Carquest Premium – Multi-Use Connector (Part No.PTA1213)

Multi-Use Connector

from

$36.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • 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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Dorman – Multi-Purpose Pigtail Connector (Part No.645-323)

Multi-Purpose Pigtail Connector

from

$31.99
Make better electrical repairs and accessory installations with this versatile and durable pigtail connector. It allows quick circuit disconnections for service, and is engineered for reliable performance.

Product Features:


    Product Features:
    • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
    • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0012)

Air Flow Sensor - New Actual OE Part

from

$91.99
Hitachis Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachis air flow sensors the premium choice.

Product Features:
  • Hitachi is a Tier 1 OE supplier for air flow sensors
  • 100% NEW, never remanufactured
  • Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
  • Precision manufactured and assembled sensing elements for accurate air flow measurements
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Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6211)

Mass Air Flow Sensor (MAF) - 100% NEW

from

$111.99
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:
  • 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
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DENSO – Oxygen Sensor: Upstream, 4 Wire, 15.35" Long, Heated, Exact Fit (Part No.234-4403)

Oxygen Sensor: Upstream, 4 Wire, 15.35" Long, Heated, Exact Fit

from

$72.99
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:
  • 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 – Oxygen Sensor: 4 Wire, 18.82" Long, Heated, Exact Fit (Part No.234-4127)

Oxygen Sensor: 4 Wire, 18.82" Long, Heated, Exact Fit

from

$59.99
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:
  • 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

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

Upgrade your 2021 Lincoln Navigator with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2021 Lincoln Navigator, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Lincoln or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Navigator functioning at its best. At Advance Auto Parts, we offer a wide selection of 23 Fuel and Emissions Systems for the 2021 Lincoln Navigator, designed to meet your needs without breaking the bank. From Oxygen Sensor replacements to Fuel Injectors 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 2021 Lincoln Navigator at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $9.99 to $171.99, with an average price of $77.79. Our 23 Fuel and Emissions Systems in stock come from 8 trusted brands, so you’re sure to find the right part for your 2021 Lincoln Navigator 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 2021 Lincoln Navigator, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like Dorman, and more. Dorman Fuel and Emissions Systems start at just $105.99 and boast an impressive 4.2 stars average rating from customers. With 6 customer reviews and counting, our 2021 Lincoln Navigator 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 2021 Lincoln Navigator is always ready to roll. We’re committed to providing you with everything you need to keep your Navigator in top shape, all in one place. Start shopping confidently below for your 2021 Lincoln Navigator!

Best-Selling Oxygen Sensors for 2021 Lincoln Navigators

Enhance the driving experience in your Lincoln with 4 quality Oxygen Sensor components, starting at $69.99.

Motorcraft – Oxygen Sensor (Part No.DY-1328)

Oxygen Sensor

from

$171.99
Backed by the Motorcraft Service Parts, unlimited mileage, limited labor cost and no commercial exceptions. Warranty is supported nationwide by Ford/Lincoln dealers and Ford Authorized Distributors.

Product Features:
  • The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.
  • Motorcraft and Ford Parts are used throughout Ford vehicles in a variety of applications that help ensure the proper build quality, integrity and long-lasting performance of every Ford car or truck.
  • Motorcraft and Ford Parts are manufactured from first-quality materials – chosen specifically for maximum performance and application suitability.
  • As with all Motorcraft and Ford Parts, any innovations or improvements developed since the manufacture of the vehicle are included in these after market replacement parts, ensuring the most current technology and performance.
  • No matter what the application, there is a unique Motorcraft and Ford Part designed, manufactured and comprehensively tested to perform to exacting Ford specifications and quality standards.
See More

Bosch – Wideband Oxygen Sensor: 5 Wire, 22.83" Long, Heated, Exact Fit (Part No.16098)

Wideband Oxygen Sensor: 5 Wire, 22.83" Long, Heated, Exact Fit

from

$146.99
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
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Motorcraft – Oxygen Sensor (Part No.DY-1627)

Oxygen Sensor

from

$112.99
Backed by the Motorcraft Service Parts, unlimited mileage, limited labor cost and no commercial exceptions. Warranty is supported nationwide by Ford/Lincoln dealers and Ford Authorized Distributors.

Product Features:
  • The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.
  • Motorcraft and Ford Parts are used throughout Ford vehicles in a variety of applications that help ensure the proper build quality, integrity and long-lasting performance of every Ford car or truck.
  • Motorcraft and Ford Parts are manufactured from first-quality materials – chosen specifically for maximum performance and application suitability.
  • As with all Motorcraft and Ford Parts, any innovations or improvements developed since the manufacture of the vehicle are included in these after market replacement parts, ensuring the most current technology and performance.
  • No matter what the application, there is a unique Motorcraft and Ford Part designed, manufactured and comprehensively tested to perform to exacting Ford specifications and quality standards.
See More

DENSO – Oxygen Sensor: 4 Wire, Direct Fit, Heated, Wire Length: 13.19" (Part No.234-8017)

Oxygen Sensor: 4 Wire, Direct Fit, Heated, Wire Length: 13.19"

from

$69.99
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.
See More

Most Popular 2021 Lincoln Navigator Fuel Injectors

Customize your Lincoln with 6 Fuel Injectors products like Air Flow Meters and Mass Air, Fuel Injectors, and Fuel Injector O-Ring Kits, all priced under $129.99.

Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0012)

Air Flow Sensor - New Actual OE Part

from

$91.99
Hitachis Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachis air flow sensors the premium choice.

Product Features:
  • Hitachi is a Tier 1 OE supplier for air flow sensors
  • 100% NEW, never remanufactured
  • Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
  • Precision manufactured and assembled sensing elements for accurate air flow measurements
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AS051)

Fuel Injector Seal Kit

from

$9.99
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:
  • Premium OE quality materials
  • Services one injector
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.A211-2242)

Reman Multi Port Fuel Injector

from

$59.99
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 GDI Fuel Injector (Part No.A511-1152)

Reman GDI Fuel Injector

from

$59.99
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

Motorcraft – Fuel Injector O-Ring Kit (Part No.CM-4717)

Fuel Injector O-Ring Kit

from

$15.99
All Motorcraft Seal designs undergo rigorous lab and real world tests in order to provide original equipment performance and reliability. Motorcraft Seals are extensively tested for proper seating and sealing under both temperature and pressure extremes.

Product Features:
  • Why Buy:
  • The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.
  • Motorcraft and Ford Parts are used throughout Ford vehicles in a variety of applications that help ensure the proper build quality, integrity and long-lasting performance of every Ford car or truck.
  • Motorcraft and Ford Parts are manufactured from first-quality materials – chosen specifically for maximum performance and application suitability.
  • As with all Motorcraft and Ford Parts, any innovations or improvements developed since the manufacture of the vehicle are included in these aftermarket replacement parts, ensuring the most current technology and performance
See More

Top Picks for 2021 Lincoln Navigator Fuel Tanks

Upgrade Lincoln Navigators with top-quality Fuel Tanks parts, including 2 OEM and aftermarket selections for your 2021 model.

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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Motorcraft – Original Equipment (O.E.) Gasket (Part No.CG-807)

Original Equipment (O.E.) Gasket

from

$31.99
The only parts recommended by Ford Motor Company for Ford and Lincoln vehicles. Motorcraft Seals are designed and tested to Ford’s rigorous engineering standards. Motorcraft parts fit right the first time for quicker, easier installation.
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In-Demand Air Flow Sensors for 2021 Lincoln Navigators

Select from 8 premium Air Flow Sensors parts for your 2021 Lincoln Navigator, with prices ranging from $30.99 to $159.99.

Motorcraft – Original Equipment (O.E.) Sensor Assembly – Tripminder (Part No.DY-1160)

Original Equipment (O.E.) Sensor Assembly - Tripminder

from

$39.99
The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.

Product Features:
  • Motorcraft and Ford Parts are used throughout Ford vehicles in a variety of applications that help ensure the proper build quality, integrity and long-lasting performance of every Ford car or truck.
  • Motorcraft and Ford Parts are manufactured from first-quality materials – chosen specifically for maximum performance and application suitability.
  • As with all Motorcraft and Ford Parts, any innovations or improvements developed since the vehicle’s manufacture are included in these after market replacement parts, ensuring the most current technology and performance.
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NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 12.8" Long, Heated, Direct Fit (Part No.24334)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 12.8" Long, Heated, Direct Fit

from

$132.99
NGK is the sensor specialist for import and domestic applications. Established under the NGK product family, oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramic company at our core, uses cutting-edge technology to control the ceramic used in our oxygen sensors from raw material to finished product. is the world’s largest supplier and manufacturer of OE oxygen sensors. Combining expertise and innovation, oxygen sensors deliver superior fit, form, and function. oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive 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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NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 29.5" Long, Heated, Direct Fit (Part No.27093)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 29.5" Long, Heated, Direct Fit

from

$159.99
NGK is the sensor specialist for import and domestic applications. Established under the NGK product family, oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramic company at our core, uses cutting-edge technology to control the ceramic used in our oxygen sensors from raw material to finished product. is the world’s largest supplier and manufacturer of OE oxygen sensors. Combining expertise and innovation, oxygen sensors deliver superior fit, form, and function. oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive 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 – Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 25.28" (Part No.234-5713)

Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 25.28"

from

$106.99
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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Motorcraft – Wire Assembly (Part No.WPT-322)

Wire Assembly

from

$69.99
Wire Assembly

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECA2468)

Manifold Absolute Pressure Sensor (MAP)

from

$38.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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Dorman – Multi-Purpose Pigtail Connector (Part No.645-323)

Multi-Purpose Pigtail Connector

from

$31.99
Make better electrical repairs and accessory installations with this versatile and durable pigtail connector. It allows quick circuit disconnections for service, and is engineered for reliable performance.

Product Features:


Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1251)

Ambient Air Temperature Sensor

from

$30.99
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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Most Sold 2021 Lincoln Navigator Fuel Pumps

Explore our best-selling Lincoln parts for the 2021 Navigator among 1 OEM and aftermarket options starting from $79.99.

Dorman – Fuel Pump Relay Module (Part No.601-240)

Fuel Pump Relay Module

from

$79.99
This fuel pump driver module is a direct replacement for the original equipment module. Designed to match the original fit and function, it features a plug & play connection for an easy installation.

Product Features:
  • Direct replacement – this fuel pump driver module matches the fit and function of the original equipment module to restore vehicle operation
  • Plug and play installation – this fuel pump driver requires no modifications or special tools to install
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Quality tested – vehicle simulation tested to ensure performance
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Top-Rated Fuel and Emissions Systems Brands For Your 2021 Lincoln Navigator

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2021 Lincoln Navigators. Below you’ll find some of our best rated Fuel and Emissions Systems from Dorman, and more. Fuel and Emissions Systems from these brands that fit a 2021 Navigator start at just $105.99 and are rated as high as 4.2 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular Dorman 2021 Lincoln Navigator Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2021 Lincoln Navigator, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Dorman ticks all of those boxes. We offer a wide selection of Dorman Fuel and Emissions Systems, specifically designed for the 2021 Lincoln Navigator. With over 1 Dorman 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 $105.99. Plus, with over 2 customer reviews and an average rating of 4.2 stars, you can trust that our Dorman 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.
Evaporative Emissions Canister Vent Valve
from $105.99
(2)
Evaporative Emissions Canister Vent Valve
“Where is it located in my ford ecosport 2018 1.0”

FAQs for 2021 Lincoln Navigator Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2021 Lincoln Navigators?

Out of 23 Fuel and Emissions Systems that fit 2021 Lincoln Navigators, the following parts are the top sellers:

What’s the price range for 2021 Lincoln Navigator Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2021 Lincoln Navigator start at $9.99 and go up to $171.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2021 Lincoln Navigator?

The average price for Fuel and Emissions Systems for the 2021 Lincoln Navigator is $77.79. 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 Lincoln Navigator model years?

Yes, we currently carry Fuel and Emissions Systems for 26 model years of Lincoln Navigators between 1998 and 2025. Fuel and Emissions Systems are bought most frequently for the following model years: 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Fuel and Emissions Systems for my 2021 Lincoln Navigator?

The cheapest 2021 Lincoln Navigator Fuel and Emissions Systems we carry in stock are:

What are the top-rated Fuel and Emissions Systems that fit the 2021 Lincoln Navigator?

Out of 6 reviews by customers, our 2021 Lincoln Navigator Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 2021 Lincoln Navigator and their top-rated products:

What types of Fuel and Emissions Systems do you sell for my 2021 Lincoln Navigator?

As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2021 Lincoln Navigator:

Can I get help with 2021 Lincoln Navigator 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 Lincoln Fuel and Emissions Systems and more.

What is your return policy for Lincoln Navigator Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Lincoln Navigator 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.