2015 Mazda 3 Fuel and Emissions Systems

Essential 2015 Mazda 3 Fuel and Emissions Systems

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

Carquest Premium – Gas Cap: Twist On, Reduces Air Pollution, 1 Pack (Part No.10817)

Gas Cap: Twist On, Reduces Air Pollution, 1 Pack

from

$15.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • 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

Carquest Premium – Fuel Cap Tester Adapter (Part No.12410)

Fuel Cap Tester Adapter

from

$15.99
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

Dorman – Fuel Tank With Lock Ring And Seal (Part No.576-742)

Fuel Tank With Lock Ring And Seal

from

$888.99
This replacement fuel tank is precision-engineered to match the fit and function of the original fuel tank on specified vehicles.

Product Features:
  • Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
  • Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
  • Quality assured – this part has been validated to ensure a quality fit and long service life
  • Trustworthy design – backed by team of product specialists in the United States
See More

NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 4 Wire, 18" Long, Heated, Direct Fit (Part No.25669)

Wideband Oxygen Sensor: Air-Fuel Ratio 4 Wire, 18" Long, Heated, Direct Fit

from

$176.99
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

NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 19.5" Long, Heated, Direct Fit (Part No.24355)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 19.5" Long, Heated, Direct Fit

from

$212.99
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

FAE – Water Temperature Sender, 12mm (Part No.P403660918FAE)

Water Temperature Sender, 12mm

from

$23.06
Water Temperature Sender, 12mm

Carquest – Fuel Injector (Part No.67379)

Fuel Injector

from

$190.05
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

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

Remanufactured GDI Fuel Injector

from

$142.99
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 – Vapor Canister Purge Valve (Part No.CPN1182)

Vapor Canister Purge Valve

from

$117.99
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

Dorman – Evaporative Emissions Purge Solenoid Valve (Part No.911-700)

Evaporative Emissions Purge Solenoid Valve

from

$105.99
Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the original equipment purge valve. It is critical to the evaporative emissions system and fulfills government requirements.

Product Features:
  • Direct replacement – this vapor canister purge valve fits and functions like original equipment to ensure proper function of your vehicle’s evaporative emissions system
  • Quality construction – manufactured from premium materials for a long service life
  • Excellent value – original equipment quality at a lower price
  • Quality tested – has undergone testing to ensure proper fit and performance
See More

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECE2287)

Manifold Absolute Pressure Sensor (MAP)

from

$154.99
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.
See More

Carquest Premium – Manifold Absolute Pressure Sensor (Part No.ECA2412)

Manifold Absolute Pressure Sensor

from

$66.99
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 – 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

Delphi – Fuel Injection Pressure Regulator (Part No.FP10530)

Fuel Injection Pressure Regulator

from

$37.49
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
See More

Carquest Premium – Fuel Pump Module Assembly M2425953: Fuel Pump, Sending Unit and Strainer (Part No.M2425953)

Fuel Pump Module Assembly M2425953: Fuel Pump, Sending Unit and Strainer

from

$312.99
Carquest Premium fuel pump modules and assemblies are built to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
See More

Delphi – Fuel Pump Module Assembly: With Float Arm, Seal (Part No.FG1286)

Fuel Pump Module Assembly: With Float Arm, Seal

from

$396.99
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
  • Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
  • Lower amperage draws less load on vehicle’s electrical system
  • Part is validated, tested and matched to the right vehicle application
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
  • Lower failure rates due to its innovative design and durability
See More

DENSO – Mass Air Flow Sensor (Part No.197-6020)

Mass Air Flow Sensor

from

$146.99
DENSO’s innoviate 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 accuracyá
See More

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

Mass Air Flow Sensor

from

$160.99
100% new; Delphi OE Technology Validated to match the vehicle applications; Manufactured to meet or exceed OE requirements

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

Delphi – Direct Injection High Pressure Fuel Pump: With Gasket or Seal, Without Wiring Harness (Part No.HM10100)

Direct Injection High Pressure Fuel Pump: With Gasket or Seal, Without Wiring Harness

from

$1493.99
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:
  • Capable of delivering fuel at high pressures that can range from 2,000-2,800 PSI
  • Mechanically driven high fuel flow pump enables rail pressure build up quickly for fast start times
  • Fuel delivered directly into the engine combustion chamber for increased horsepower and fuel economy
  • Meets OE specifications
See More

Delphi – Direct Injection High Pressure Fuel Pump: With Gasket or Seal, Without Wiring Harness (Part No.HM10104)

Direct Injection High Pressure Fuel Pump: With Gasket or Seal, Without Wiring Harness

from

$1179.99
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:
  • Capable of delivering fuel at high pressures that can range from 2,000-2,800 PSI
  • Mechanically driven high fuel flow pump enables rail pressure build up quickly for fast start times
  • Fuel delivered directly into the engine combustion chamber for increased horsepower and fuel economy
  • Meets OE specifications
See More

Carquest Premium – Vapor Canister Vent Solenoid (Part No.CPA1446)

Vapor Canister Vent Solenoid

from

$75.99
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

Dorman – Evaporative Emissions Canister Vent Valve (Part No.911-711)

Evaporative Emissions Canister Vent Valve

from

$118.99
A malfunctioning vapor canister vent solenoid can cause the engine light to come on. This vapor canister vent solenoid is engineered of quality materials for durability to ensure proper operation of the vehicle’s evaporative emissions system.

Product Features:
  • Direct replacement – this vapor canister vent solenoid fits and performs like original equipment with simple plug-and-play installation
  • Quality construction – manufactured from premium materials for a long service life
  • Excellent value – original equipment function at a lower price
  • Quality tested – has undergone simulation and endurance testing to ensure proper fit and performance
See More

Bosch – Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal (Part No.15741)

Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal

from

$61.99
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
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds OE specifications
See More

Bosch – Wideband Oxygen Sensor: 5 Wire, 24.6" Long, Heated, Exact Fit (Part No.18098)

Wideband Oxygen Sensor: 5 Wire, 24.6" Long, Heated, Exact Fit

from

$239.99
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:
  • Advanced Wideband sensing element for exact air/fuel measurement
  • Robust sensor design increases sensor longevity
  • Seared protection tube due to 100% functional quality test
  • ‘True Direct-fit’ OE connectors and harness
  • Pre-coated threads with anti-seize compound right out of the box
See More

Bosch – Wideband Oxygen Sensor: 5 Wire, 12.8" Long, Heated, Exact Fit (Part No.18067)

Wideband Oxygen Sensor: 5 Wire, 12.8" Long, Heated, Exact Fit

from

$162.99
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:
  • Advanced Wideband sensing element for exact air/fuel measurement
  • Robust sensor design increases sensor longevity
  • Seared protection tube due to 100% functional quality test
  • ‘True Direct-fit’ OE connectors and harness
  • Pre-coated threads with anti-seize compound right out of the box
See More

DENSO – Oxygen Sensor: Downstream, 4 Wire, 15.83" Long, Heated, Exact Fit (Part No.234-4505)

Oxygen Sensor: Downstream, 4 Wire, 15.83" Long, Heated, Exact Fit

from

$129.99
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

Bosch – Oxygen Sensor: 4 Wire, 12.99" Long, Heated, Exact Fit (Part No.18073)

Oxygen Sensor: 4 Wire, 12.99" Long, Heated, Exact Fit

from

$165.99
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

2015 Mazda 3 Fuel and Emissions Systems

You count on your 2015 Mazda 3 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 38 Fuel and Emissions Systems ranging in price from $10.99 to $1,493.99, you’re sure to find everything you need for your 2015 Mazda 3.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 8 different brands like Carquest Premium, Bosch, and Delphi. 2015 Mazda 3 Fuel and Emissions Systems start as low as $10.99!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 2,376 extensive product reviews on 2015 Mazda 3 Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Fuel Cap: 10819, Screw On, Direct Fit, Provides Tight Seal, 1 Pack with 4.4 stars and Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack with 4.0 stars.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 2015 Mazda 3 below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2015 Mazda 3

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2015 Mazda 3 running right for years to come. In our inventory you’ll find brands like Carquest Premium, Bosch, Delphi, and even more.

Popular Carquest Premium Fuel and Emissions Systems

You’ll find popular Carquest Premium brand products across Gas Caps. All are waiting to get your 2015 Mazda 3 back on the road. Some of the top-rated Carquest Premium products in these categories are:
Keyed Alike Locking Fuel Cap
from $11.99
(3)
Keyed Alike Locking Fuel Cap
Gas Caps
Locking Fuel Cap
from $23.99
(35)
Locking Fuel Cap
Gas Caps

Top-Rated Carquest Premium Fuel and Emissions Systems


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Fuel and Emissions Systems for your 2015 Mazda 3, and some of our most reviewed Carquest Premium parts include:

FAQs for 2015 Mazda 3 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2015 Mazda 3?

Out of 38 Fuel and Emissions Systems for the 2015 Mazda 3, the most popular in our inventory are:
Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal
from $61.99
This product is not rated
Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal
Oxygen Sensors
Fuel Tank Cleaning Kit
from $12.49
This product is not rated
Fuel Tank Cleaning Kit
Fuel Tank Cleaning Kits

What are the top-rated 2015 Mazda 3 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2015 Mazda 3 based on customer reviews/ratings are:
Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
from $22.99
(8)
Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“Easy to install, works as expected.”
Locking Fuel Cap
from $31.99
(1)
Locking Fuel Cap
“Fell apart second time i put fuel in”