2021 Mazda 6 Fuel Injectors

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Keep Your 2021 Mazda 6 in Top Shape with Quality Fuel Injectors

Whether you’re repairing or upgrading your Fuel Injector, using high-quality parts is key to keeping your 2021 Mazda 6 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Injector Seal Kits, Fuel Injectors, and Air Flow Meters and Mass Air. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2021 Mazda 6 Fuel Injector at Advance Auto Parts is around $107.49, with a range that starts at $18.99 and goes up to $159.99. With 4 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Remanufactured GDI Fuel Injector, Premium GDI Seal Tool Kit, and MASS AIR FLOW SENSOR start at just $111.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Fuel Injector, don’t forget to check out other key components like Gas Caps and Oxygen Sensors. At Advance Auto Parts, we’re here to help you keep your 2021 Mazda 6 in peak condition, inside and out.

Essential 2021 Mazda 6 Fuel Injectors

Bosch – Fuel Injector: New (Part No.62399)

Fuel Injector: New

from

$71.99
Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, and Asian vehicles.

Product Features:
  • Guaranteed OE fit, form and function
  • Manufactured of the highest quality materials
  • Provides precision flow and original spray pattern for optimal performance
  • Product includes top and bottom mounting o-ring
  • Maintains new-car smoothness and drivability
See More

Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A212-3514)

Remanufactured Multi Port Fuel Injector

from

$89.99
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 – Remanufactured GDI Fuel Injector (Part No.A512-1194)

Remanufactured GDI Fuel Injector

from

$159.99
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 – Remanufactured Multi Port Fuel Injector (Part No.A212-3704)

Remanufactured Multi Port 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

Bosch – Fuel Injector: New (Part No.62381)

Fuel Injector: New

from

$52.99
Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, and Asian vehicles.

Product Features:
  • Guaranteed OE fit, form and function
  • Manufactured of the highest quality materials
  • Provides precision flow and original spray pattern for optimal performance
  • Product includes top and bottom mounting o-ring
  • Maintains new-car smoothness and drivability
See More

Carquest Premium – Remanufactured Multi Port Fuel Injector (Part No.A212-3594)

Remanufactured Multi Port Fuel Injector

from

$55.99
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 – Remanufactured Multi Port Fuel Injector (Part No.A212-3194)

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
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

Delphi – Mass Air Flow Sensor (Part No.AF10140)

Mass Air Flow Sensor

from

$159.99
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

Carquest Premium – New Mass Air Flow Sensor – Sensor Only (Part No.MQ6241)

New Mass Air Flow Sensor - Sensor Only

from

$121.99
Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • 100% new unit with no core charge
  • Advanced micro-controlled technology delivers more accurate output in extreme temperatures
  • Extensive validation testing to ensure precision output for better performance and reliability
  • O-rings or gaskets included where applicable
See More

Hitachi – Mass Air Flow Sensor (Part No.MAF0012)

Mass Air Flow Sensor

from

$92.99
Hitachi¿s 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 Hitachi¿s air flow sensors the premium choice.

Product Features:
  • Meets the OE performance and durability standards for this application
  • Welded connections instead of soldered for dependability
  • Contaminant bypass port provides reliable operation and increases longevity
  • Contaminant bypass port provides reliable operation and increases longevity
  • Meets the OE performance and durability standards for this application
  • Welded connections instead of soldered for dependability
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Carquest Premium – New Mass Air Flow Sensor – Sensor Only (Part No.MQ6203)

New Mass Air Flow Sensor - Sensor Only

from

$94.99
Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • 100% new unit with no core charge
  • Advanced micro-controlled technology delivers more accurate output in extreme temperatures
  • Extensive validation testing to ensure precision output for better performance and reliability
  • O-rings or gaskets included where applicable
See More

Delphi – Mass Air Flow Sensor (Part No.AF10135)

Mass Air Flow Sensor

from

$160.99
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

Carquest Premium – New Mass Air Flow Sensor – Sensor Only (Part No.MQ6206)

New Mass Air Flow Sensor - Sensor Only

from

$75.99
Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • 100% new unit with no core charge
  • Advanced micro-controlled technology delivers more accurate output in extreme temperatures
  • Extensive validation testing to ensure precision output for better performance and reliability
  • O-rings or gaskets included where applicable
See More

Delphi – Mass Air Flow Sensor (Part No.AF10442)

Mass Air Flow Sensor

from

$105.56
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

Carquest Premium – MASS AIR FLOW SENSOR (Part No.MQ6476)

MASS AIR FLOW SENSOR

from

$111.99
Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • 100% new unit with no core charge
  • Advanced micro-controlled technology delivers more accurate output in extreme temperatures
  • Extensive validation testing to ensure precision output for better performance and reliability
  • O-rings or gaskets included where applicable
See More

Spectra Premium – Mass Air Flow Sensor (Part No.MA147)

Mass Air Flow Sensor

from

$89.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium mass air flow sensors meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE engine management systems design expertise
  • Platinum connector threads reduce the number of connection points for faster reaction to change
  • Ceramic-built printed circuit boards are protected by silica gel, providing superior resistance to temperature changes and vehicle vibrations
  • Ceramic board provides reliable voltage to eliminate engine rough-idle problems
  • Each new sensor is road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
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DENSO – Mass Air Flow Sensor (Part No.197-6020)

Mass Air Flow Sensor

from

$156.99
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.

Product Features:
  • OE technology adapted for the aftermarket
  • Reduces emissions, increased performance
  • Delivers the highest reliability and detection accuracy
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AS059)

Fuel Injector Seal Kit

from

$20.99
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:
  • Premium OE quality materials
  • Includes upper O-ring
  • Includes plastic split ring
  • Includes two plastic washers
  • Includes combustion gasket
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AS045)

Fuel Injector Seal Kit

from

$6.99
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

Carquest Premium – Fuel Injector Seal Kit (Part No.AS071)

Fuel Injector Seal Kit

from

$18.99
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:
  • Premium OE quality materials
  • Includes upper O-ring
  • Includes upper O-ring retainer
  • Includes plastic washer
  • Includes combustion seal
  • Includes retainer clip
See More

Carquest – Fuel Injector Seal Kit (Part No.274838)

Fuel Injector Seal Kit

from

$8.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • High-quality materials withstand extreme conditions
  • Undergoes extensive testing to ensure reliability
  • As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process
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Most Popular Fuel Injector Seal Kit for 2021 Mazda 6s

Enhance your 2021 Mazda 6 with this popular Fuel Injector Seal Kit we have in stock, for $18.99.

Carquest Premium – Fuel Injector Seal Kit (Part No.AS071)

Fuel Injector Seal Kit

from

$18.99
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:
  • Premium OE quality materials
  • Includes upper O-ring
  • Includes upper O-ring retainer
  • Includes plastic washer
  • Includes combustion seal
  • Includes retainer clip
See More

Best-Selling 2021 Mazda 6 Fuel Injector

Upgrade your 6 with our best-selling Fuel Injector.

Carquest Premium – Remanufactured GDI Fuel Injector (Part No.A512-1194)

Remanufactured GDI Fuel Injector

from

$159.99
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

Top-Quality Air Flow Meters and Mass Air for 2021 Mazda 6s

Choose a high-quality OEM or aftermarket Air Flow Meters and Mass Air for Mazda 6s and enjoy top-notch performance from $111.99.

Carquest Premium – MASS AIR FLOW SENSOR (Part No.MQ6476)

MASS AIR FLOW SENSOR

from

$111.99
Carquest Premium mass air flow (MAF) sensors are built to meet the original equipment (OE) specifications for each application. Our MAF sensors are built by a manufacturer that meets IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium mass air flow sensors are 100% new and undergo extensive validation testing to ensure long-lasting performance and reliability.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • 100% new unit with no core charge
  • Advanced micro-controlled technology delivers more accurate output in extreme temperatures
  • Extensive validation testing to ensure precision output for better performance and reliability
  • O-rings or gaskets included where applicable
See More

Our Top Pick for a 2021 Mazda 6 Fuel Injector Seal Tool Set

Invest in a durable Fuel Injector Seal Tool Set for your 2021 Mazda, knowing you’re getting trusted brands and expert craftsmanship.

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

FAQs for 2021 Mazda 6 Fuel Injectors

What are the best-selling Fuel Injectors for 2021 Mazda 6s?

Out of 4 Fuel Injectors that fit 2021 Mazda 6s, the following parts are the top sellers:

What’s the price range for 2021 Mazda 6 Fuel Injectors?

The prices of Fuel Injectors for the 2021 Mazda 6 range from $18.99 up to $159.99 for the most premium parts.

What is the average price of a Fuel Injector for a 2021 Mazda 6?

The average price for Fuel Injectors for the 2021 Mazda 6 is $107.49. Keep in mind the variety of part types within our Fuel Injector category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel Injectors for other Mazda 6 model years?

Yes, we carry Fuel Injectors for 17 model years of Mazda 6s between 2003 and 2020. The following model years are the most popular for Fuel Injector purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Fuel Injectors for my 2021 Mazda 6?

The cheapest 2021 Mazda 6 Fuel Injectors we carry are:

Does Advance Auto Parts sell Fuel Injectors for any other 2021 Mazda models?

Yes. We stock Fuel Injectors for 1 other popular 2021 Mazda models. Some of the most popular are 2021 CX-9 Fuel Injectors and 2021 CX-5 Fuel Injectors.

What types of Fuel Injectors do you sell for my 2021 Mazda 6?

As of 3/1/26, these are some of the most in-demand types of Fuel Injectors for a 2021 Mazda 6:

Can I get help with 2021 Mazda 6 Fuel Injector orders?

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

What is your return policy for Mazda 6 Fuel Injectors?

Advance Auto Parts keeps returns simple. For new Mazda 6 Fuel Injectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.