1985 Mazda RX-7 Fuel and Emissions Systems
Find Your Specific 1985 Mazda RX-7 Fuel and Emissions Systems
Below you will find various in-demand Mazda Fuel and Emissions Systems, components and accessories for your 1985 RX-7. Advance Auto Parts has popular RX-7 parts like Air Flow Sensors, Gas Caps, Oxygen Sensors and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other RX-7 model years including
1986,
1987,
1988,
1989,
1990,
1991,
1993,
1994,
1995 and more. Select a category of 1985 Mazda RX-7 Fuel and Emissions Systems below and start saving instantly.
Popular 1985 Mazda RX-7 Fuel and Emissions Systems Categories
Essential Fuel and Emissions Systems for 1985 Mazda RX-7s
ACDelco – Multi-Purpose Pigtail (Part No.PT2164)
from
$16.79
ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, andor engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.
Product Features:
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Product Features:
- Professional, premium aftermarket replacement
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
Cardone – Remanufactured Smog Air Pump (Part No.33-777)
from
$183.99
CARDONE Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands leave out integral components, such as inlets and outlets that commonly break during installation. CARDONE engineers pay special attention to proper vane size and shape on each application to maintain proper flow, while other brands consolidate vane sizes for their own convenience.
Product Features:
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Product Features:
- 100 percent testing of all units guarantees reliable performance every time.
- High temperature grease extends bearing life, resulting in longer pump life.
- New carbon shoes/vanes on every unit ensure accurate air output to meet today’s stringent emissions standards.
- Guaranteed fit and function.
- Meets or exceeds O.E.M performance.
Cardone – Remanufactured Smog Air Pump (Part No.33-791)
from
$265.99
CARDONE Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands leave out integral components, such as inlets and outlets that commonly break during installation. CARDONE engineers pay special attention to proper vane size and shape on each application to maintain proper flow, while other brands consolidate vane sizes for their own convenience.
Product Features:
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Product Features:
- 100 percent testing of all units guarantees reliable performance every time.
- High temperature grease extends bearing life, resulting in longer pump life.
- New carbon shoes/vanes on every unit ensure accurate air output to meet today’s stringent emissions standards.
- Guaranteed fit and function.
- Meets or exceeds O.E.M performance.
Cardone – Remanufactured Smog Air Pump (Part No.33-793)
from
$181.99
CARDONE Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands leave out integral components, such as inlets and outlets that commonly break during installation. CARDONE engineers pay special attention to proper vane size and shape on each application to maintain proper flow, while other brands consolidate vane sizes for their own convenience.
Product Features:
See More
Product Features:
- 100 percent testing of all units guarantees reliable performance every time.
- High temperature grease extends bearing life, resulting in longer pump life.
- New carbon shoes/vanes on every unit ensure accurate air output to meet today’s stringent emissions standards.
- Guaranteed fit and function.
- Meets or exceeds O.E.M performance.
Carquest Premium – Fuel Injector Seal Kit (Part No.AS024A)
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.
Product Features:
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Product Features:
- Premium OE quality materials
- Services one injector
Carquest Premium – Fuel Pump Includes Wiring Harness (Part No.E260125)
from
$196.99
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:
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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
Carquest Premium – Fuel Pump Hanger Assembly: Fuel Pump, Sending Unit and Strainer (Part No.E635399)
from
$51.99
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:
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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
Carquest Premium – Fuel Pump Includes Includes Strainer (Part No.E259218)
from
$51.99
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:
See More
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 – Fuel Tank Cleaning Kit (Part No.FC01)
from
$12.49
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:
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Product Features:
- Helps avoid premature fuel pump failure
- Lint free towel included
- Low suds formulation
- Removes harmful contaminants from the fuel tank
Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17505)
from
$10.99
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:
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Product Features:
- Passes all state and federal emissions tests
- Independently tested for emission control
- Independently tested for emission control
- Protects your fuel from theft and vandalism
- Reduces air pollution with proper sealing and venting
- Manufactured from durable, long-life materials
Carquest Premium – Gas Cap: Twist On, Reduces Air Pollution, 1 Pack (Part No.10817)
from
$15.99
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:
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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
Carquest Premium – Locking Fuel Cap (Part No.10563)
from
$38.99
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:
See More
Product Features:
- Protects your fuel from theft and vandalism
- 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
Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17591)
from
$11.99
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:
See More
Product Features:
- Passes all state and federal emissions tests
- Independently tested for emission control
- Independently tested for emission control
- Protects your fuel from theft and vandalism
- Reduces air pollution with proper sealing and venting
- Manufactured from durable, long-life materials
Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-20021)
from
$121.99
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 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:
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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.
Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-20022)
from
$248.99
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 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:
See More
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.
Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-20003)
from
$147.99
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 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:
See More
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 – Fuel Cap Tester Adapter: (Part No.12410)
from
$17.79
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
Product Features:
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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
Carquest Premium – Fuel Cap Tester Adapter: (Part No.12427)
from
$34.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
Product Features:
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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
Carquest Premium – Fuel Cap Tester Adapter (Part No.12403)
from
$29.49
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
Product Features:
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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
Bosch – Oxygen Sensor: 1 Wire, 39.76" Long, Non-heated, Exact Fit (Part No.12203)
from
$40.99
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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
Product Features:
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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
Bosch – Oxygen Sensor: 1 Wire, 22.05" Long, Non-heated, Exact Fit (Part No.12054)
from
$37.99
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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
Product Features:
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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
Bosch – Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit (Part No.11027)
from
$39.99
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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
Product Features:
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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
Upgrade your 1985 Mazda RX-7 with Top-Quality Fuel and Emissions Systems
When it comes to maintaining or upgrading your 1985 Mazda RX-7, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mazda or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your RX-7 functioning at its best. At Advance Auto Parts, we offer a wide selection of 15 Fuel and Emissions Systems for the 1985 Mazda RX-7, designed to meet your needs without breaking the bank.
From
Air Flow Sensor
replacements to
Gas Caps
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 1985 Mazda RX-7 at great prices.
Our Fuel and Emissions Systems inventory for this model
ranges from just $7.99 to $183.99, with
an average price of $55.14.
Our 15 Fuel and Emissions Systems in stock come from 6 trusted brands, so you’re sure to find the right part for your 1985 Mazda RX-7 without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1985 Mazda RX-7, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names
like Bosch, and more.
Bosch Fuel and Emissions Systems
start at just $39.99 and boast an impressive 4.7 stars average rating from customers.
With 102 customer reviews and counting, our 1985 Mazda RX-7 Fuel and Emissions Systems have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 1985 Mazda RX-7 is always ready to roll. We’re committed to providing you with everything you need to keep your RX-7 in top shape, all in one place.
Start shopping confidently below for your 1985 Mazda RX-7!
Best-Selling Air Flow Sensors for 1985 Mazda RX-7s
Enhance the driving experience in your Mazda with 1 quality Air Flow Sensor components, starting at $16.79.
ACDelco – Multi-Purpose Pigtail (Part No.PT2164)
from
$16.79
ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, andor engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.
Product Features:
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Product Features:
- Professional, premium aftermarket replacement
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
Most Popular 1985 Mazda RX-7 Gas Caps
Customize your Mazda with 2 Gas Caps products
like Gas Caps, all
priced under $38.99.
Carquest Premium – Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10725)
from
$11.99
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:
See More
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
Carquest Premium – Locking Fuel Cap (Part No.10563)
from
$38.99
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:
See More
Product Features:
- Protects your fuel from theft and vandalism
- 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
Top Picks for 1985 Mazda RX-7 Oxygen Sensors
Upgrade Mazda RX-7s with top-quality Oxygen Sensors parts, including 3 OEM and aftermarket selections for your 1985 model.
Bosch – Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit (Part No.11027)
from
$39.99
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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
Product Features:
See More
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
Bosch – Oxygen Sensor: 1 Wire, 22.05" Long, Non-heated, Exact Fit (Part No.12054)
from
$37.99
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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
Product Features:
See More
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
Bosch – Oxygen Sensor: 1 Wire, 39.76" Long, Non-heated, Exact Fit (Part No.12203)
from
$40.99
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. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
Product Features:
See More
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
In-Demand Fuel Pumps for 1985 Mazda RX-7s
Select from 4 premium Fuel Pumps parts for your 1985 Mazda RX-7, with prices ranging from $29.49 to $98.99.
Mr. Gasket – High Performance Electric Fuel Pump – Universal Carbureted Engines (Part No.42S)
from
$63.99
Gravity fed type pump with simple two-wire design. Works on 12 Volt negative ground systems only. Includes fittings and mounting hardware along with easy to follow DIY instructions. Pumps require approximately one amp average draw at maximum delivery. Flow rate is 28 gallons per hour (GPH) at 2 to 3-1/2 pounds per square inch (PSI). Universal design for most import 4 & 6-cylinder carburetor applications. Please see part #12S for V8 gasoline applications, part #12D for diesel applications or part #12E for Ethanol, Methanol, E85 and Race Fuel applications. Solid-state worry free electronics. Eliminates vapor lock and flooding. Works well as a fuel transfer, booster, or stand-alone pump. Not recommended for diesel, methanol, ethanol, E85 or race fuel applications!!
Product Features:
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Product Features:
- Solid-state Worry Free Electronics
- Internal Pressure Regulating
- Universal Design Allows For Easy Installation
- No DiaphraGMs Or Mechanical Parts To Wear Out
- Makes An Excellent Fuel Transfer or Booster Pump
- Hose Barbs Fit 5/16″ Fuel Hose
- Self-priming, 2 wire design
- Eliminates vapor lock and flooding
Carquest Premium – Fuel Pump Includes Wiring Harness (Part No.E360001)
from
$81.99
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:
See More
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 – Electric Fuel Pump: With Extra Fitting, Screw, Seals, Splices, Terminal Hardware, Wires (Part No.FD0030)
from
$98.99
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:
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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
Carquest Premium – Fuel Cap Tester Adapter (Part No.12403)
from
$29.49
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
Product Features:
See More
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
Most Sold 1985 Mazda RX-7 Fuel Injectors
Explore our best-selling Mazda parts for the 1985 RX-7 among 2 OEM and aftermarket options starting from $7.99.
Carquest Premium – Fuel Injector Seal Kit (Part No.AS024A)
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.
Product Features:
See More
Product Features:
- Premium OE quality materials
- Services one injector
Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-20003)
from
$147.99
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 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:
See More
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.
Top-Rated Fuel and Emissions Systems Brands For Your 1985 Mazda RX-7
Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 1985 Mazda RX-7s. Below you’ll find some of our best rated Fuel and Emissions Systems from Bosch, and more. Fuel and Emissions Systems from these brands that fit a 1985 RX-7 start at just $39.99 and are rated as high as 4.7 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.
Popular Bosch 1985 Mazda RX-7 Fuel and Emissions Systems
When it comes to maintaining or upgrading your 1985 Mazda RX-7, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Bosch ticks all of those boxes. We offer a wide selection of Bosch Fuel and Emissions Systems, specifically designed for the 1985 Mazda RX-7. With over 1 Bosch brand Fuel and Emissions Systems in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $39.99. Plus, with over 31 customer reviews and an average rating of 4.7 stars, you can trust that our Bosch Fuel and Emissions Systems will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$39.99
(31)
Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit
“Been installed for a week. CEL is still off.”
FAQs for 1985 Mazda RX-7 Fuel and Emissions Systems
Which Fuel and Emissions Systems are best-sellers for 1985 Mazda RX-7s?
Out of 15 Fuel and Emissions Systems that fit 1985 Mazda RX-7s, the following parts are the top sellers:
- Fuel Injector Seal Kit (11450352) – $7.99
- Fuel Tank Cleaning Kit (11692237) – $12.49
- High Performance Electric Fuel Pump – Universal Carbureted Engines (5400317) – $63.99
What’s the price range for 1985 Mazda RX-7 Fuel and Emissions Systems?
Fuel and Emissions System prices for the 1985 Mazda RX-7 start at $7.99 and go up to $183.99 for the most premium parts.
What’s the average price of a Fuel and Emissions System for a 1985 Mazda RX-7?
The average price for Fuel and Emissions Systems for the 1985 Mazda RX-7 is $55.14. Keep in mind the variety of part types within our Fuel and Emissions System category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Fuel and Emissions Systems for other Mazda RX-7 model years?
What are the cheapest Fuel and Emissions Systems for my 1985 Mazda RX-7?
The cheapest 1985 Mazda RX-7 Fuel and Emissions Systems we carry in stock are:
- Fuel Injector Seal Kit (11450352) – $7.99
- Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (18481494) – $11.99
- Fuel Tank Cleaning Kit (11692237) – $12.49
- Multi-Purpose Pigtail (11935200) – $16.79
- Fuel Cap Tester Adapter (5020081) – $29.49
What are the top-rated Fuel and Emissions Systems that fit the 1985 Mazda RX-7?
Out of 102 reviews by customers, our 1985 Mazda RX-7 Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 1985 Mazda RX-7 and their top-rated products:
- Oxygen Sensors
- Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit (3486079) – $39.99
What types of Fuel and Emissions Systems do you sell for my 1985 Mazda RX-7?
As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 1985 Mazda RX-7:
Can I get help with 1985 Mazda RX-7 Fuel and Emissions System orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Mazda Fuel and Emissions Systems and more.
What is your return policy for Mazda RX-7 Fuel and Emissions Systems?
Advance Auto Parts keeps returns simple. For new Mazda RX-7 Fuel and Emissions Systems and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
