2021 Mazda CX-9 Fuel Injectors
Keep Your 2021 Mazda CX-9 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 CX-9 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Injectors, Fuel Injector Seal Tool Set, 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 CX-9 Fuel Injector at Advance Auto Parts is around $105.24, 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 CX-9 in peak condition, inside and out.
Find Your Specific 2021 Mazda CX-9 Fuel Injectors
Looking for the perfect Fuel Injector for your 2021 Mazda CX-9? You’re in the right place. Below, you’ll find links to various types of Fuel Injectors that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Fuel Injectors, ensuring durability and a precise fit for your Mazda CX-9. Whether you’re driving a 2021 model or another popular model year like
2013,
2014,
2015,
2016,
2017,
2018,
2019,
2020, and
2022, we’ve got you covered. Purchasing Fuel Injectors from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Fuel Injectors that fit your vehicle.
Essential 2021 Mazda CX-9 Fuel Injectors
Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0012)
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:
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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
Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6206)
from
$75.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.
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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
Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-50040)
from
$156.99
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% 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% 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% 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%.
Delphi – Mass Air Flow Sensor (Part No.AF10140)
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:
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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
Carquest Premium – MASS AIR FLOW SENSOR (Part No.MQ6476)
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:
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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
Spectra Premium – Mass Air Flow Sensor (Part No.MA147)
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:
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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
Carquest Premium – Premium GDI Seal Tool Kit (Part No.ATK-001)
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:
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Product Features:
- Includes two expansion cones
- Includes two resizing tools
- Includes one seal installation collet
- Includes hard case
- Includes instruction manual
Bosch – Fuel Injector: New (Part No.62399)
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:
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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
Carquest Premium – Remanufactured GDI Fuel Injector (Part No.A512-1194)
from
$159.99
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.A212-3534)
from
$70.99
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 – Fuel Injector Seal Kit (Part No.AS052)
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.
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Product Features:
- Premium OE quality materials
- Services one injector
Felpro – Fuel Injector O-Ring Kit (Part No.ES 73096)
from
$22.99
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
Felpro – Fuel Injector O-Ring Kit (Part No.ES 70599)
from
$8.49
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.AS071)
from
$18.99
Product Features:
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- Premium OE quality materials
- Includes upper o-ring
- Includes upper o-ring retainer
- Includes plastic washer
- Includes combustion seal
- Includes retainer clip
Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10027-01)
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.
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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.
Popular 2021 Mazda CX-9 Fuel Injectors Categories
Most Popular Fuel Injector for 2021 Mazda CX-9s
Enhance your 2021 Mazda CX-9 with this popular Fuel Injector we have in stock, for $159.99.
Carquest Premium – Remanufactured GDI Fuel Injector (Part No.A512-1194)
from
$159.99
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.
Best-Selling 2021 Mazda CX-9 Fuel Injector Seal Tool Set
Upgrade your CX-9 with our best-selling Fuel Injector Seal Tool Set.
Carquest Premium – Premium GDI Seal Tool Kit (Part No.ATK-001)
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:
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Product Features:
- Includes two expansion cones
- Includes two resizing tools
- Includes one seal installation collet
- Includes hard case
- Includes instruction manual
Top-Quality Air Flow Meters and Mass Air for 2021 Mazda CX-9s
Choose a high-quality OEM or aftermarket Air Flow Meters and Mass Air for Mazda CX-9s and enjoy top-notch performance from $111.99.
Carquest Premium – MASS AIR FLOW SENSOR (Part No.MQ6476)
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:
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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
Our Top Pick for a 2021 Mazda CX-9 Fuel Injector O-Ring Kit
Invest in a
durable Fuel Injector O-Ring Kit for your 2021 Mazda, knowing you’re getting trusted brands and expert craftsmanship.
Carquest Premium – Fuel Injector Seal Kit (Part No.AS071)
from
$18.99
Product Features:
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- Premium OE quality materials
- Includes upper o-ring
- Includes upper o-ring retainer
- Includes plastic washer
- Includes combustion seal
- Includes retainer clip
FAQs for 2021 Mazda CX-9 Fuel Injectors
What are the best-selling Fuel Injectors for 2021 Mazda CX-9s?
Out of 4 Fuel Injectors that fit 2021 Mazda CX-9s, the following parts are the top sellers:
- Remanufactured GDI Fuel Injector (12181296) – $159.99
- Premium GDI Seal Tool Kit (50184273) – $129.99
- MASS AIR FLOW SENSOR (50082724) – $111.99
What’s the price range for 2021 Mazda CX-9 Fuel Injectors?
The prices of Fuel Injectors for the 2021 Mazda CX-9 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 CX-9?
The average price for Fuel Injectors for the 2021 Mazda CX-9 is $105.24. 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 CX-9 model years?
What are the cheapest Fuel Injectors for my 2021 Mazda CX-9?
The cheapest 2021 Mazda CX-9 Fuel Injectors we carry are:
- Fuel Injector Seal Kit (12181307) – $18.99
- MASS AIR FLOW SENSOR (50082724) – $111.99
- Premium GDI Seal Tool Kit (50184273) – $129.99
- Remanufactured GDI Fuel Injector (12181296) – $159.99
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 6 Fuel Injectors and 2021 CX-5 Fuel Injectors.
What types of Fuel Injectors do you sell for my 2021 Mazda CX-9?
As of 11/2/25, these are some of the most in-demand types of Fuel Injectors for a 2021 Mazda CX-9:
Can I get help with 2021 Mazda CX-9 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 CX-9 Fuel Injectors?
Advance Auto Parts keeps returns simple. For new Mazda CX-9 Fuel Injectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.