Mazda 323 Fuel and Emissions Systems

CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:

• Premium OE quality materials
• Services one injector

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

Product Features:

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

Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Product Features:

• Direct replacement – this fuel filler neck is made to match the original equipment on specific vehicles
• Durable construction – made of corrosion-resistant materials to reduce future failure potential
• Regulatory compliant – built to meet emission and inspection standards
• Trustworthy value – backed by team of engineers and quality control experts in the United States

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

Product Features:

• Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
• WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
• Product constructed to meet all design and operating characteristics as intended by the manufacturer.
• OE specified wire gauge to ensure a reliable electrical connection
• Designed to meet or exceed OE specifications in form, fit and function

Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:

• Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
• 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

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

Carquest Premium idle air control valves are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Idle air control valves, or sometimes known as idle air motors, are used to maintain the engine speed at idle by precisely adjusting the amount of air allowed to enter the intake. Our Carquest Premium idle air control (IAC) valves are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium idle air control valves undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium idle air control valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

• Designed to meet or exceed OE specifications for fit, form and function
• Precision engineering and robust design to withstand harsh under hood environment
• Gaskets or seals are included if required for installation
• Extensive design validation testing and 100% end-of-line tested
• Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

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

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.
• Application specific molded rubber construction
• Engineered cross section
• Fits many popular fuel injection applications

Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank straps 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 expertise
• Direct fit ensures safe, secure fuel tank installation
• Product individually packaged and labeled to help reduce product damage prior to installation
• Industry leading coverage on straps for plastic tanks

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

Product Features:

• Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
• Sealed connections (where applicable) to prevent environmental corrosion and performance issues
• Global coverage for import and/or domestic applications
• OE specified wire gauge to ensure a reliable electrical connection
• Designed to meet or exceed OE specifications in form, fit and function

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

Product Features:

• Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
• Product constructed to meet all design and operating characteristics as intended by the manufacturer.

This fuel tank sending unit lock ring is designed to help restore the connection between the fuel pump, module and/or sending unit and the fuel tank on specified vehicles. It is engineered to match the performance of the original equipment lock ring when the factory ring has failed or is damaged. Manufactured to precise specifications for specified vehicles, it is made with durable materials for reliable performance and long life.

Product Features:

• Direct replacement – this fuel tank sending unit lock ring is designed to help restore the connection between the fuel pump, module and/or sending unit and the fuel tank on specified vehicles
• Ideal solution – engineered to match the performance of the original equipment lock ring when the factory ring has failed or is damaged
• Durable construction – designed and manufactured to strict specifications for reliable performance
• Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

Product Features:

• Independently tested for emission control
• Manufactured from durable, long-life materials
• Reduces air pollution with proper sealing and venting
• Independently tested for emission control

Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:

• Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
• Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
• Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
• Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
• 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.

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

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 percent 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 percent 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 percent 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 percent.

CARQUEST Premium electric fuel pumps are built to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our CARQUEST Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. CARQUEST Premium electric fuel pumps 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

Precision is key for the fuel pressure regulator on any vehicle. At Delphi, we use OE engineering to test our regulators and fuel technologies to ensure the utmost performance and durability. Our Nitrile¿ diaphragms are resilient against high-ethanol fuels, and we utilize two designs to help meet emissions standards while covering a wide array of domestic vehicles. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management. Visit our Resource Center for helpful tips and tricks on fuel pumps technologies and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:

• 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

Carquest Premium electric fuel pumps are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our Carquest Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. Carquest Premium electric fuel pumps 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

Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:

• 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
• Lower amperage draws less load on vehicle’s electrical system
• Always be sure to check and clean fuel tank to avoid unnecessary returns
• Always replace the fuel strainer when doing a fuel pump repair

The Vacuum Control Valve is a switch that controls the flow of vacuum to the systems operating device.

Product Features:

• Application matched components ensure the vehicle will be returned to like new condition.
• Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
• Where applicable, features application specific mounting bracket providing ease of installation.

Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel pump seals meet or exceed the performance of the original equipment they replace.

Product Features:

• Designed to OE fit, form and function
• Application specific design ensure a perfect fit guarantee
• OEM design ensures corrosion resistance and prevents leakage
• Manufactured with high quality material, ensuring the durability of this part to prevent costly leaks
• Rigorous ISO quality control process