1984 Mercury Topaz Fuel and Emissions Systems
Find Your Specific 1984 Mercury Topaz Fuel and Emissions Systems
Below you will find various in-demand Mercury Fuel and Emissions Systems, components and accessories for your 1984 Topaz. Advance Auto Parts has popular Topaz parts like Air Flow Sensors, Fuel Tanks, Fuel Pumps and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other Topaz model years including
1986,
1987,
1988,
1989,
1990,
1991,
1992,
1993,
1994 and more. Select a category of 1984 Mercury Topaz Fuel and Emissions Systems below and start saving instantly.
Popular 1984 Mercury Topaz Fuel and Emissions Systems Categories
Essential Fuel and Emissions Systems for 1984 Mercury Topazs
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 – Air Charge Temperature Sensor (Part No.WTA1073)
from
$25.99
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 – 5/16 In. Fuel Line Retaining Clips (Part No.800-003)
from
$6.99
This fuel line clip is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this fuel line clip matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this clip is a reliable replacement for an original part that is missing or has failed due to fatigue.
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
NTK – Manifold Absolute Pressure Sensor (Part No.MA0119)
from
$61.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.
Product Features:
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Product Features:
- NTK’s Manifold Absolute Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper manifold pressure, fuel metering and ignition timing.
- The Manifold Absolute Pressure Sensor (MAP) provides manifold pressure information to the Engine Control Unit (ECU). The data is used to determine the air mass flow rate and required fuel for optimum combustion and ignition timing.
Carquest Premium – Secondary Air Injection Pump Check Valve (Part No.CVC1031)
from
$39.99
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 – Diesel Fuel Cap: 10830D, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10830D)
from
$12.49
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 – Fuel Tank Lock Ring (Part No.LO1582930)
from
$9.99
Carquest Premium fuel pump tank seals are built by Carter Fuel Systems and Agility Auto Parts, industry leaders in high-quality fuel system components. Carquest Premium offers a complete line of fuel pump tank seals covering a wide variety of North American vehicle applications. Carquest Premium fuel pump tank seals are engineered to meet or exceed all OEM specifications.
Product Features:
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Product Features:
- Engineered to meet or exceed all OEM specifications.
- Precision stamped and are treated with a rust proof finish to ensure durability and strength
NTK – Switching Oxygen Sensor: 4 Wire, 17" Long, Heated, Direct Fit (Part No.22500)
from
$59.99
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. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.
Product Features:
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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
Walker Products – Air Charge Temperature Sensor (Part No.C6000352505WKR)
from
$34.11
The Walker Air Charge Temperature Sensor is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.
Product Features:
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Product Features:
- Premium Original Equipment replacement
- Provides performance and dependability
- Manufactured to meet OE specifications
Carquest – Air Charge Temperature Sensor (Part No.31A1018)
from
$20.99
Advance Auto Parts is committed to providing high-quality ABS sensors. The entire manufacturing process is closely managed to deliver high quality products.
Product Features:
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Product Features:
- High grade materials that are equal to or better
Mahle – Mahle EGR Valve Gasket (Part No.B7100227279MAH)
from
$5.09
MAHLE Original gaskets provide world class sealing products trusted by OEM’s and Technicians around the globe. All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products available.
Product Features:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application-specific design ensures a perfect fit
- MAHLE Original gaskets is the leader in Domestic, Asian and European applications
Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1067)
from
$11.99
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
Delphi – Manifold Absolute Pressure Sensor (Part No.PS10242)
from
$70.99
Delphi MAP sensors use the latest OE technology; Internally protected against moisture intrusion and vibration; Manufactured to meet or exceed OE requirements for 100,000 miles.
Product Features:
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Product Features:
- Designed and engineered with Delphi expertise
- Internally protected against moisture intrusion and vibration
- Long lasting and durable
- Designed and engineered with Delphi expertise
Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECE1016)
from
$57.99
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:
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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.
Carquest Premium – Engine Diagnostic Connector (Part No.PTA1662)
from
$32.99
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:
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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
Carquest Premium – Fuel Cap Tester Adapter (Part No.12410)
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:
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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:
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
Carquest Premium – Fuel Tank Lock Ring (Part No.LO1511468)
from
$27.99
Carquest Premium fuel tank lock rings are built by Carter Fuel Systems and Agility Auto Parts, industry leaders in high-quality fuel system components. Carquest Premium offers a complete line of fuel tank lock rings covering a wide variety of North American vehicle applications. Carquest Premium fuel tank lock rings are engineered to meet or exceed all OEM specifications. Carquest Premium fuel tank lock rings are precision stamped and are treated with a rust proof finish to ensure durability and strength.
Product Features:
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Product Features:
- Engineered to meet or exceed all OEM specifications.
- Precision stamped and are treated with a rust proof finish to ensure durability and strength.
Carquest Premium – Fuel Tank Lock Ring (Part No.LR2001)
from
$20.99
CARQUEST lock rings are designed to positively seat the fuel pump in proper position inside the tank. These precision stamped rings are made from corrosion-resistant and durable metals for long life.
Product Features:
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Product Features:
- Precision stamped for perfect fit and pump position
- Always replace lock ring as a part of fuel pump service
Spectra Premium – Fuel Pump (Part No.SP1113)
from
$85.99
CARQUEST enhanced electric in-tank fuel pumps are 100% quality tested and are designed to deliver quiet operation, industry-leading performance and durability. All CARQUEST pumps meet or exceed OE specifications in fit, form and function.
Product Features:
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Product Features:
- Every single pump is 100% tested throughout the entire manufacturing process for worry free, out-of-the-box performance
- Advanced polymers, brushes and commutators to ensure long life and durability in multiple fuel blends.
- High-performance pump section assembly provides superior performance
- Leading-edge inlet design to increase performance and efficiency, leading to longer life
- High grade outer shell for life-long corrosion resistance
- Optimized, precision-wound armature assembly for increased performance
Carquest Premium – Fuel Pump Includes Includes Strainer (Part No.E219622)
from
$74.99
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
Delphi – Electric Fuel Pump: With Isolator, Retaining Clips, Seal (Part No.FE0109)
from
$128.99
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:
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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
Dorman – Fuel Tank Vent Rollover Valve (Part No.911-060)
from
$27.99
This fuel tank vent valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
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Product Features:
- Direct replacement – this fuel tank vent valve is designed to match the fit and function of the original valve on specified vehicles.
- Restores functionality – this valve is made to fit and fully restore part functionality after the original valve fails.
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Carquest Premium – Ported Vacuum Switch (Part No.ECA1429)
from
$45.99
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 – Ported Vacuum Switch (Part No.EC974)
from
$195.95
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.
Product Features:
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Product Features:
- Designed to OE standards for ease of installation
- Special designed thermal elements for improved performance
- Our EGR products contain feature rich design and componentry yielding market leadership performance
- BWD is a global manufacturer of emission components, complete quality control is maintained through the manufacturing process from componentry to finished product
Upgrade your 1984 Mercury Topaz with Top-Quality Fuel and Emissions Systems
When it comes to maintaining or upgrading your 1984 Mercury Topaz, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mercury or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Topaz functioning at its best. At Advance Auto Parts, we offer a wide selection of 47 Fuel and Emissions Systems for the 1984 Mercury Topaz, designed to meet your needs without breaking the bank.
From
Air Flow Sensor
replacements to
Fuel Tanks
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 1984 Mercury Topaz at great prices.
Our Fuel and Emissions Systems inventory for this model
ranges from just $2.99 to $195.95, with
an average price of $29.51.
Our 47 Fuel and Emissions Systems in stock come from 10 trusted brands, so you’re sure to find the right part for your 1984 Mercury Topaz 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 1984 Mercury Topaz, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names
like Carquest Premium, and more.
Carquest Premium Fuel and Emissions Systems
start at just $2.99 and boast an impressive 4 stars average rating from customers.
With 893 customer reviews and counting, our 1984 Mercury Topaz 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 1984 Mercury Topaz is always ready to roll. We’re committed to providing you with everything you need to keep your Topaz in top shape, all in one place.
Start shopping confidently below for your 1984 Mercury Topaz!
Best-Selling Air Flow Sensors for 1984 Mercury Topazs
Enhance the driving experience in your Mercury with 4 quality Air Flow Sensor components, starting at $20.99.
NTK – Manifold Absolute Pressure Sensor (Part No.MA0119)
from
$61.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.
Product Features:
See More
Product Features:
- NTK’s Manifold Absolute Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper manifold pressure, fuel metering and ignition timing.
- The Manifold Absolute Pressure Sensor (MAP) provides manifold pressure information to the Engine Control Unit (ECU). The data is used to determine the air mass flow rate and required fuel for optimum combustion and ignition timing.
Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECE1016)
from
$57.99
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:
See More
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.
Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1073)
from
$25.99
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 – Air Charge Temperature Sensor (Part No.31A1018)
from
$20.99
Advance Auto Parts is committed to providing high-quality ABS sensors. The entire manufacturing process is closely managed to deliver high quality products.
Product Features:
See More
Product Features:
- High grade materials that are equal to or better
Most Popular 1984 Mercury Topaz Fuel Tanks
Customize your Mercury with 8 Fuel Tanks products
like Fuel Tank Lock Rings,
Fuel Tank Sending Units, and
Fuel Tank Cleaning Kits, all
priced under $118.99.
Dorman – Fuel Pump Lock Ring (Part No.579-003)
from
$9.99
Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock. Made of durable materials for reliable service.
Product Features:
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Product Features:
- Direct replacement – this fuel tank sending unit lock ring is made to match the fit and performance of the original ring on specific vehicle applications.
- Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock.
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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:
See More
Product Features:
- Helps avoid premature fuel pump failure
- Lint free towel included
- Low suds formulation
- Removes harmful contaminants from the fuel tank
Dorman – Fuel Tank Vent Rollover Valve (Part No.911-060)
from
$27.99
This fuel tank vent valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this fuel tank vent valve is designed to match the fit and function of the original valve on specified vehicles.
- Restores functionality – this valve is made to fit and fully restore part functionality after the original valve fails.
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Carquest Premium – Fuel Tank Lock Ring (Part No.LO1582930)
from
$9.99
Carquest Premium fuel pump tank seals are built by Carter Fuel Systems and Agility Auto Parts, industry leaders in high-quality fuel system components. Carquest Premium offers a complete line of fuel pump tank seals covering a wide variety of North American vehicle applications. Carquest Premium fuel pump tank seals are engineered to meet or exceed all OEM specifications.
Product Features:
See More
Product Features:
- Engineered to meet or exceed all OEM specifications.
- Precision stamped and are treated with a rust proof finish to ensure durability and strength
Carquest Premium – Fuel Tank Lock Ring (Part No.LO1511469)
from
$32.99
Carquest Premium fuel pump tank seals are built by Carter Fuel Systems and Agility Auto Parts, industry leaders in high-quality fuel system components. Carquest Premium offers a complete line of fuel pump tank seals covering a wide variety of North American vehicle applications. Carquest Premium fuel pump tank seals are engineered to meet or exceed all OEM specifications.
Product Features:
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Product Features:
- Engineered to meet or exceed all OEM specifications.
- Precision stamped and are treated with a rust proof finish to ensure durability and strength
KAI – Fuel Tank Lock Ring (Part No.TNKLO03)
from
$20.99
New Standard Replacement Lock/O-Ring Set
Product Features:
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Product Features:
- Meets All Federal Motor Safety Standards
- No Drilling Needed For Installation
- No Modifications Needed For Installation
- Direct Fit Replacement For Your Vehicle
- Same Form Fit And Function As OE
- Check Out The Large Selection Of Parts Available For Your Vehicle
Carquest Premium – Fuel Tank Sending Unit FG76ACQ: Includes Wiring Harness (Part No.FG76ACQ)
from
$118.99
Carquest Premium fuel tank sending units are built to meet or exceed Original Equipment (O.E.) specifications for fit, form and function. Carquest Premium fuel tank sending units are supplied with the wiring harness and gaskets or seals when required for the application. All sending units are precision-tested ensuring accurate readings at any fuel level. Carquest Premium fuel tank sending units are engineered with superior quality components to provide the longest life and are backed up by an industry-leading warranty.
Product Features:
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Product Features:
- Meets or exceeds OE specifications for fit, form and function
- All sending units are 100% performance tested
- Includes installation gaskets or seals where applicable
KAI – Fuel Tank Lock Ring (Part No.SPILO04)
from
$19.99
New Standard Replacement Fuel Tank Lock Ring, Large Gauge Fuel Level Sensor Hole: 2 5/8 Inch Or 3 5/8 Inch, Includes O-Ring, For 16 And 19 Gallon Tanks
Product Features:
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Product Features:
- Large Gauge, Fuel Level Sensor Hole, 2 5/8 Inch Or 3 5/8 Inch, Includes O-Ring, For 16 And 19 Gallon Tanks
- Meets All Federal Motor Safety Standards
- No Drilling Needed For Installation
- No Modifications Needed For Installation
- Direct Fit Replacement For Your Vehicle
- Same Form Fit And Function As OE
- Check Out The Large Selection Of Parts Available For Your Vehicle
Top Picks for 1984 Mercury Topaz Fuel Pumps
Upgrade Mercury Topazs with top-quality Fuel Pumps parts, including 4 OEM and aftermarket selections for your 1984 model.
Mr. Gasket – Electric Fuel Pump (Part No.12S)
from
$64.99
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. Flows 35 GPH (gallons per hours at 4-7 PSI (pounds per square inch). Universal design for most domestic 4, 6, & 8-cylinder carburetor 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
- They Make An Excellent Fuel Transfer or Booster Pump
- Not designed for use on aircraft of any type.
- Hose Barbs Fit 5/16″ Fuel Hose
- Self-priming, 2 wire design
- Eliminates vapor lock and flooding
KAI – Fuel Pump Module Assembly (Part No.FMD010083)
from
$62.99
New Platinum Pro Fuel Pump Module
Product Features:
See More
Product Features:
- Meets All Federal Motor Safety Standards
- No Drilling Needed For Installation
- No Modifications Needed For Installation
- Direct Fit Replacement For Your Vehicle
- Same Form Fit And Function As OE
- Check Out The Large Selection Of Parts Available For Your Vehicle
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:
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
Carquest Premium – Fuel Cap Tester Adapter (Part No.12410)
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:
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
In-Demand Gas Caps for 1984 Mercury Topazs
Select from 20 premium Gas Caps parts for your 1984 Mercury Topaz, with prices ranging from $6.99 to $31.99.
Carquest Premium – Diesel Fuel Cap: 10819D, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10819D)
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:
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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 – Keyed Alike Locking Fuel Cap (Part No.17591)
from
$11.99
None
Product Features:
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Product Features:
- Protects your fuel from theft and vandalism
- Manufactured from durable, long-life materials
- Independently tested for emission control
- Passes all state and federal emissions tests
- Reduces air pollution with proper sealing and venting
Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17591D)
from
$16.79
None
Product Features:
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Product Features:
- Reduces air pollution with proper sealing and venting
- Manufactured from durable, long-life materials
- Independently tested for emission control
- Passes all state and federal emissions tests
- Reduces air pollution with proper sealing and venting
Carquest Premium – Fuel Cap: 10830, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10830)
from
$12.99
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 – Fuel Cap: 10837, Round, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10837)
from
$14.99
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 – Fuel Cap: 10834, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10834)
from
$15.49
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 – Gas Cap: Twist On, Reduces Air Pollution, 1 Pack (Part No.10817)
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:
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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: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10501)
from
$24.99
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:
- 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 – Fuel Cap: 10819, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10819)
from
$16.79
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:
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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
- “Torque Override” feature aids in the proper installation of the fuel cap. It produces an audible click as the O-ring that seals the cap is properly compressed.
Carquest Premium – Locking Fuel Cap (Part No.10591)
from
$23.99
None
Product Features:
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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 – Locking Fuel Cap: 10591D, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10591D)
from
$24.99
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:
- 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 – Locking Fuel Cap: 10504, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10504)
from
$21.79
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:
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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 – Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10507)
from
$22.99
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:
- 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 – Diesel Fuel Cap: 10830D, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10830D)
from
$12.49
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 – Keyed Alike Locking Fuel Cap (Part No.17504)
from
$6.99
None
Product Features:
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Product Features:
- Protects your fuel from theft and vandalism
- Manufactured from durable, long-life materials
- Independently tested for emission control
- Passes all state and federal emissions tests
- Reduces air pollution with proper sealing and venting
Carquest Premium – Locking Fuel Cap (Part No.10501D)
from
$31.99
None
Product Features:
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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
Motorad – Tethered Gas Cap: Non-Locking, Original Equipment Manufacturer, Reduces Air Pollution, 1 Pack (Part No.MGC817T)
from
$23.99
Experience uncompromising quality and emissions compliance with these tethered fuel caps. Manufactured with top-tier materials and rigorous production and safety standards adhering to Original Equipment Manufacturer guidelines. Designed meticulously to meet both state and federal emissions requirements, it ensures environmental responsibility. With its specifically engineered pressure and vacuum relief valves, fuel evaporation becomes a thing of the past. Bid farewell to the risk of losing up to 30 gallons of precious gasoline over a year due to a leaking fuel cap. Trust in our superior construction to safeguard your fuel and contribute to a greener future.
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Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17507)
from
$10.99
None
Product Features:
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Product Features:
- Protects your fuel from theft and vandalism
- Manufactured from durable, long-life materials
- Independently tested for emission control
- Passes all state and federal emissions tests
- Reduces air pollution with proper sealing and venting
Carquest Premium – Locking Fuel Cap: 17501D, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.17501D)
from
$22.99
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:
- Protects your fuel from theft and vandalism
- Manufactured from durable, long-life materials
- Independently tested for emission control
- Passes all state and federal emissions tests
- Reduces air pollution with proper sealing and venting
Motorad – Tethered Fuel Cap (Part No.MGC517T)
from
$20.99
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:
- Come pre-assembled for quick and easy installation.
- Several fastener options to work with any fuel cap compartment configuration
- Fits vehicles orginally equipped with tether
- Reduces air pollution with proper sealing and venting
- Manufactured from durable, long-life materials
Most Sold 1984 Mercury Topaz Oxygen Sensors
Explore our best-selling Mercury parts for the 1984 Topaz among 1 OEM and aftermarket options starting from $32.99.
Bosch – Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit (Part No.11027)
from
$32.99
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
Top-Rated Fuel and Emissions Systems Brands For Your 1984 Mercury Topaz
Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 1984 Mercury Topazs. Below you’ll find some of our best rated Fuel and Emissions Systems from Carquest Premium, and more. Fuel and Emissions Systems from these brands that fit a 1984 Topaz start at just $2.99 and are rated as high as 4 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.
Popular Carquest Premium 1984 Mercury Topaz Fuel and Emissions Systems
When it comes to maintaining or upgrading your 1984 Mercury Topaz, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Fuel and Emissions Systems, specifically designed for the 1984 Mercury Topaz. With over 31 Carquest Premium 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 $2.99, with an average price of just $25.99. Plus, with over 414 customer reviews and an average rating of 4 stars, you can trust that our Carquest Premium 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.
FAQs for 1984 Mercury Topaz Fuel and Emissions Systems
Which Fuel and Emissions Systems are best-sellers for 1984 Mercury Topazs?
Out of 47 Fuel and Emissions Systems that fit 1984 Mercury Topazs, the following parts are the top sellers:
- Fuel Cap: 10837, Round, Direct Fit, Provides Tight Seal, 1 Pack (18481528) – $14.99
- Tethered Gas Cap: Non-Locking, Original Equipment Manufacturer, Reduces Air Pollution, 1 Pack (12102600) – $23.99
- Fuel Tank Cleaning Kit (11692237) – $12.49
What’s the price range for 1984 Mercury Topaz Fuel and Emissions Systems?
Fuel and Emissions System prices for the 1984 Mercury Topaz start at $2.99 and go up to $195.95 for the most premium parts.
What’s the average price of a Fuel and Emissions System for a 1984 Mercury Topaz?
The average price for Fuel and Emissions Systems for the 1984 Mercury Topaz is $29.51. 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 Mercury Topaz model years?
What are the cheapest Fuel and Emissions Systems for my 1984 Mercury Topaz?
The cheapest 1984 Mercury Topaz Fuel and Emissions Systems we carry in stock are:
- EGR/EXHAUST AIR SUPPLY GASKET (3208095) – $2.99
- Exhaust Gas Recirculation (EGR) Valve Gasket (12481985) – $2.99
- Exhaust Gas Recirculation (EGR) Valve Gasket (5181593) – $3.49
- 5/16 In. Fuel Line Retaining Clips (9110009) – $6.99
- Keyed Alike Locking Fuel Cap (10069213) – $6.99
What are the top-rated Fuel and Emissions Systems that fit the 1984 Mercury Topaz?
Out of 893 reviews by customers, our 1984 Mercury Topaz Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 1984 Mercury Topaz and their top-rated products:
- Oxygen Sensors
- Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit (3486079) – $32.99
What types of Fuel and Emissions Systems do you sell for my 1984 Mercury Topaz?
As of 2/5/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 1984 Mercury Topaz:
Can I get help with 1984 Mercury Topaz 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 Mercury Fuel and Emissions Systems and more.
What is your return policy for Mercury Topaz Fuel and Emissions Systems?
Advance Auto Parts keeps returns simple. For new Mercury Topaz 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.
