Mazda CX-9 Fuel and Emissions Systems

Essential Mazda CX-9 Fuel and Emissions Systems

Carquest Premium – Fuel Cap: 10840, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10840)

Fuel Cap: 10840, Screw On, Direct Fit, Provides Tight Seal, 1 Pack

from

$21.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
See More

Mahle – Fuel Injector O-Ring (Part No.C10132590067MAH)

Fuel Injector O-Ring

from

$8.61
Fuel Injector O-Ring

NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 10.75" Long, Heated, Direct Fit (Part No.27069)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 10.75" Long, Heated, Direct Fit

from

$199.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, NTK uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK 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, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK 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: NTK 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
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
See More

Carquest Premium – ABS Wheel Speed Sensor Connector (Part No.PTA1615)

ABS Wheel Speed Sensor Connector

from

$55.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • 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
See More

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1996)

Ambient Air Temperature Sensor

from

$85.99
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.
See More

Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1474)

Vapor Canister Purge Solenoid

from

$69.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Fuel Cap Tester Adapter (Part No.12422)

Fuel Cap Tester Adapter

from

$39.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
See More

Felpro – FUEL INJECTOR O-RING SET (Part No.ES 73096)

FUEL INJECTOR O-RING SET

from

$20.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

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

Fuel Injector Seal Kit

from

$15.99
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

Delphi – Fuel Pump and Strainer Set: With O-ring, Pall Nut, Plastic Adapter (Part No.FE0700)

Fuel Pump and Strainer Set: With O-ring, Pall Nut, Plastic Adapter

from

$222.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • Delphi pumps are designed to operate under extreme temperatures with quick engine starts and to avoid low-fuel hesitation, including alcohol fuels and blends
  • Improved pump performance as a result of Delphi’s innovative design and durability
  • Restores fast pressure performance and system integrity, translating to better pumping through less energy
  • Part is validated, tested and matched to the right vehicle application
  • When servicing the fuel system, always check the fuel filter for possible replacement
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Always replace the fuel strainer when doing a fuel pump repair
See More

Carquest Premium – Vapor Canister Vent Solenoid (Part No.CPC1058)

Vapor Canister Vent Solenoid

from

$96.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1517)

Fuel Injection Pressure Regulator

from

$82.99
WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to
See More

MAHLE Original – Plenum Chamber Gasket (Part No.MS19557)

Plenum Chamber Gasket

from

$10.49
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • For engines having a plenum chamber (upper intake manifold).
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
See More

Carquest Premium – Vapor Canister (Part No.CPP1818)

Vapor Canister

from

$226.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Bosch – Oxygen Sensor: 4 Wire, 18.94" Long, Heated, Exact Fit (Part No.15718)

Oxygen Sensor: 4 Wire, 18.94" Long, Heated, Exact Fit

from

$49.99
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 advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.  Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product. 

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
See More

DENSO – Oxygen Sensor: Downstream, 4 Wire, 12.44" Long, Heated, Exact Fit (Part No.234-4489)

Oxygen Sensor: Downstream, 4 Wire, 12.44" Long, Heated, Exact Fit

from

$76.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% 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

Cardone – Mass Air Flow Sensor (Part No.74-50040)

Mass Air Flow Sensor

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:
  • 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%.
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
See More

Hitachi – Mass Air Sensor (Part No.B3150396162HIT)

Mass Air Sensor

from

$121.99
Hitachi manufactures a direct fit air mass sensor that guarantees OEM quality, fit and performance.

Product Features:
  • OEM Quality Direct fit Application
  • Platinum coated sensing element
  • Meets or exceeds OEM specifications
  • Utilizes the factory style mounts, connectors and fittings
  • Provides exceptional reliability
See More

Bosch – Fuel Injector 62401: New (Part No.62399)

Fuel Injector 62401: New

from

$67.99
Bosch Port Fuel Injectors (PFI) have a robust design and are capable of using Ethanol fuel (E100). All Bosch fuel injectors released to the aftermarket are OE fit, form and function, and are produced to OE specifications. The Bosch fuel injector has a return rate of 1 part per million (PPM), making Bosch the industry benchmark. 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 – Fuel Injector (Part No.67606)

Fuel Injector

from

$60.99
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
  • Stainless steel calibration slide and spring assembly prevents corrosion within the fuel control body leading to an extended service life
  • Precision wound and trimmed solenoid windings allow the computer to command efficient delivery of fuel
  • High-temp Viton O-rings enable prolonged sealing of injector under extreme heat conditions
  • Fiber optic yttrium aluminum garnet “YAG” laser welding and 100 million cycle testing ensure quality in every box
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • BWD is a global manufacturer of original equipment and aftermarket fuel injection products, complete quality control is maintained through the manufacturing process from componentry to finished product
See More

Bosch – Port Fuel Injector (Part No.C10001334469BOS)

Port Fuel Injector

from

$63.46
Port Fuel Injection (PFI) is the world’s most widely used system for internal combustion engines and offers many advantages for engines with a low pressure output.

Product Features:
  • Low-pressure systems are less complex and more affordable than high-pressure systems
  • Robust combustion process tolerates lower-quality fuel
  • Maintenance-friendly design reduces the overhead for system diagnostics
See More

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye

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

Helping You Find the Right Fuel and Emissions Systems for Your Mazda CX-9

You love your CX-9. So we’ve made it easier than ever to help you find Mazda CX-9 Fuel and Emissions Systems in our online catalog. Our inventory holds 81 aftermarket and OEM Fuel and Emissions Systems for your Mazda CX-9, ranging from $6.49 to $579.99.

We offer parts from 16 brands trusted to make quality Fuel and Emissions Systems for your Mazda CX-9. Before you buy, take some time to read through customer reviews. We currently have 28,236 reviews of Mazda CX-9 Fuel and Emissions Systems from previous customers. Some of the top rated parts include Oxygen Sensor: 4 Wire, 15.43" Long, Heated, Exact Fit with 4.6 stars and Locking Fuel Cap with 4.3 stars.

Find your CX-9 Fuel and Emissions Systems here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Mazda CX-9 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Fuel and Emissions Systems Brands for Your Mazda CX-9

Our inventory holds Fuel and Emissions Systems for your Mazda CX-9 from 16 trusted brands. You’ll find OEM and aftermarket parts from brands like Carquest Premium, Felpro, and Bosch, all of which can keep that Mazda happy.
We have Carquest parts available for your Mazda CX-9 in categories like Fuel Injectors. Some of the top-rated Carquest parts in these categories are:
Fuel Injector
from $60.99
(4)
Fuel Injector
Fuel Injectors

Top-Rated Carquest Premium Fuel and Emissions Systems

Leading Carquest Premium Fuel and Emissions Systems

We carry Carquest Premium brand parts for your Mazda CX-9 across several catalog categories, including Gas Caps. Some of our most reviewed Carquest Premium parts include:

FAQs for Mazda CX-9 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the Mazda CX-9?

Out of 81 Fuel and Emissions Systems for the Mazda CX-9, the most popular in our inventory are:
Fuel Injector O-Ring Kit
from $7.49
(109)
Fuel Injector O-Ring Kit
Fuel Injector O-Ring Kits

What are the top-rated Mazda CX-9 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your Mazda CX-9 based on customer reviews/ratings are:
Oxygen Sensor: 4 Wire, 15.43" Long, Heated, Exact Fit
from $59.99
(129)
Oxygen Sensor: 4 Wire, 15.43" Long, Heated, Exact Fit
“exact fit works fine”
Locking Fuel Cap
from $23.99
(35)
Locking Fuel Cap
“Had a check engine light and when I scanned it, calls for a new gas cap. Instead of buying oem from the dealer or just an ordinary gas cap from a part”
Oxygen Sensor: 4 Wire, 18.94" Long, Heated, Exact Fit
from $49.99
(33)
Oxygen Sensor: 4 Wire, 18.94" Long, Heated, Exact Fit
“Word as it should”