1981 Mercury Grand Marquis Fuel and Emissions Systems

Essential Fuel and Emissions Systems for 1981 Mercury Grand Marquis

Carquest Premium – Secondary Air Injection Pump Check Valve (Part No.CVC1003)

Secondary Air Injection Pump Check Valve

from

$30.99
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.
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Cardone – Remanufactured Smog Air Pump (Part No.32-290)

Remanufactured Smog Air Pump

from

$208.99
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:
  • 100% 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.
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Motorcraft – Original Equipment (O.E.) Sensor Assembly (Part No.DY-1137)

Original Equipment (O.E.) Sensor Assembly

from

$62.99
The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.

Product Features:
  • Motorcraft and Ford Parts are used throughout Ford vehicles in a variety of applications that help ensure the proper build quality, integrity and long-lasting performance of every Ford car or truck.
  • Motorcraft and Ford Parts are manufactured from first-quality materials – chosen specifically for maximum performance and application suitability.
  • As with all Motorcraft and Ford Parts, any innovations or improvements developed since the vehicle’s manufacture are included in these after market replacement parts, ensuring the most current technology and performance.
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Carquest Premium – Locking Fuel Cap (Part No.10591)

Locking Fuel Cap

from

$23.99
None

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
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Carquest Premium – Ported Vacuum Switch (Part No.ECA1537)

Ported Vacuum Switch

from

$52.99
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.
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Carquest – Ported Vacuum Switch (Part No.EC974)

Ported Vacuum Switch

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:
  • 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
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Carquest – Steel Fuel Tank (Part No.576-115)

Steel Fuel Tank

from

$201.99
This replacement fuel tank is precision-engineered to match the fit and function of the original fuel tank on specified vehicles.

Product Features:
  • Reliable replacement – this fuel tank directly replaces the original fuel tank on specified vehicle years, makes and models
  • Durable construction – this fuel tank is made from the same rugged materials as the original part for dependable service
  • Quality assured – this part has been validated to ensure a quality fit and long service life
  • Trustworthy design – backed by team of product specialists in the United States
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Spectra Premium – Fuel Tank (Part No.F42D)

Fuel Tank

from

$275.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tanks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Lock ring included with each tank to reduce installation time and to ensure a complete repair
  • Made with corrosion resistant, OE approved, Ni Terne steel for durability
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Each new fuel tank is road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Packaged with double-layered foam wrap and heavy-gauge corrugated board to ensure product quality at installation
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Spectra Premium – Fuel Tank Strap (Part No.ST57)

Fuel Tank Strap

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$32.49
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
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Spectra Premium – Fuel Tank Strap (Part No.ST14)

Fuel Tank Strap

from

$37.99
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
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NTK – Air Charge Temperature Sensor (Part No.AJ0023)

Air Charge Temperature Sensor

from

$33.99
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:
  • NTK’s Air Charge Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper monitoring of air temperature entering the engine.
  • The Air Charge Temperature Sensor is used by the Engine Control Unit (ECU) to measure air density for fuel mixture control, which allows it to make continuous adjustments to the engine’s air / fuel mixture for maximum fuel efficiency.
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Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1064)

Air Charge Temperature Sensor

from

$27.99
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.
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Dorman – Idle Air Valve Gaskets (Part No.C4063195482DOR)

Idle Air Valve Gaskets

from

$2.24
Dorman’s Fuel Injection Idle Air Control Valve Gaskets are engineered for affordability and convenience. Save time, money and labor by replacing only the Gasket – instead of the entire Fuel Injection Idle Air Control Valve. A long-lasting, airtight seal is ensured.

Product Features:
  • Direct replacement for a proper fit
  • Replacement safeguards the Idle Air Control Valve against air leaks
  • Replacement prevents poor engine idle and restores engine performance
  • Highly durable against fluctuating under hood temperatures
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Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.70261)

Fuel Injection Throttle Body Mounting Gasket

from

$2.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Delphi – Fuel Tank Lock Ring (Part No.FA10007)

Fuel Tank Lock Ring

from

$15.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:
  • Delphi lock rings are designed to meet or exceed the performance of the original unit
  • Made out of steel to endure harsh conditions
  • Each lock ring is application specific to ensure the fuel system is locked in and seals properly
  • Always consider replacing the lock ring as a part of fuel pump service
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Carquest Premium – Fuel Tank Lock Ring (Part No.LR2000)

Fuel Tank Lock Ring

from

$15.99
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:
  • Precision stamped for perfect fit and pump position
  • Always replace lock ring as a part of fuel pump service
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Dorman – Fuel Tank Vent Rollover Valve (Part No.911-060)

Fuel Tank Vent Rollover Valve

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:
  • 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
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DENSO – Oxygen Sensor: Upstream, 4 Wire, 10.63" Long, Heated, Exact Fit (Part No.234-4046)

Oxygen Sensor: Upstream, 4 Wire, 10.63" Long, Heated, Exact Fit

from

$56.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit, the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
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Bosch – Oxygen Sensor: 4 Wire, 15.43" Long, Heated, Exact Fit (Part No.15717)

Oxygen Sensor: 4 Wire, 15.43" Long, Heated, Exact Fit

from

$59.99
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:
  • 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
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Carquest Premium – Fuel Pump Hanger Assembly: Fuel Pump, Sending Unit and Strainer (Part No.HS3510459)

Fuel Pump Hanger Assembly: Fuel Pump, Sending Unit and Strainer

from

$204.99
Carquest Premium fuel pump hanger assemblies are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump hanger assemblies are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump hanger assemblies are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
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Carquest Premium – Mechanical Fuel Pump Includes Gasket (Part No.3496447)

Mechanical Fuel Pump Includes Gasket

from

$40.49
Carquest Premium mechanical 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. Every mechanical fuel pump is 100% tested throughout the entire manufacturing process for worry-free performance. Carquest Premium mechanical fuel pumps include the installation gaskets needed for each application. Carquest Premium mechanical 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
  • Special heat-treated rocker arms and case-hardened pins to ensure lasting performance
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
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Dorman – 5-Wire Ford Fuel Pump Relay (Part No.84701)

5-Wire Ford Fuel Pump Relay

from

$13.99
This fuel pump harness connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this fuel pump harness connector matches the appearance and function of the factory hardware on specified applications.
  • Ideal solution – this connector 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
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Dorman – Help – Coil Harness Repair Kit (Part No.49813)

Coil Harness Repair Kit

from

$16.99
This engine camshaft position sensor connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine camshaft position sensor connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector 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
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

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:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1007)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$29.99
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.
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Mahle – Mahle EGR Valve Gasket (Part No.B7100227279MAH)

Mahle EGR Valve Gasket

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:
  • 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
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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1048)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$1.99
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.
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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1013)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$1.49
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.
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Upgrade your 1981 Mercury Grand Marquis with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 1981 Mercury Grand Marquis, 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 Grand Marquis functioning at its best. At Advance Auto Parts, we offer a wide selection of 45 Fuel and Emissions Systems for the 1981 Mercury Grand Marquis, designed to meet your needs without breaking the bank. From Fuel Injector replacements to Air Flow Sensors 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 1981 Mercury Grand Marquis at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $1.99 to $331.99, with an average price of $73.58. Our 45 Fuel and Emissions Systems in stock come from 13 trusted brands, so you’re sure to find the right part for your 1981 Mercury Grand Marquis 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 1981 Mercury Grand Marquis, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like Bosch Dorman, and more. Bosch Fuel and Emissions Systems start at just $32.99 and boast an impressive 5 stars average rating from customers. With 430 customer reviews and counting, our 1981 Mercury Grand Marquis 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 1981 Mercury Grand Marquis is always ready to roll. We’re committed to providing you with everything you need to keep your Grand Marquis in top shape, all in one place. Start shopping confidently below for your 1981 Mercury Grand Marquis!

Best-Selling Fuel Injectors for 1981 Mercury Grand Marquis

Enhance the driving experience in your Mercury with 2 quality Fuel Injector components, starting at $3.99.

Felpro – Carburetor Mounting Gasket (Part No.60716)

Carburetor Mounting Gasket

from

$6.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – Carburetor Mounting Gasket (Part No.60244)

Carburetor Mounting Gasket

from

$3.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Most Popular 1981 Mercury Grand Marquis Air Flow Sensors

Customize your Mercury with 2 Air Flow Sensors products like Air Charge Temperature Sensors and Ambient Air Temperature Sensors, all priced under $25.99.

Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1073)

Air Charge Temperature Sensor

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.
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Carquest – Air Charge Temperature Sensor (Part No.31A1018)

Air Charge Temperature Sensor

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:
  • High grade materials that are equal to or better
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Top Picks for 1981 Mercury Grand Marquis Oxygen Sensors

Upgrade Mercury Grand Marquis with top-quality Oxygen Sensors parts, including 2 OEM and aftermarket selections for your 1981 model.

Bosch – Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit (Part No.11027)

Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit

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:
  • 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
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NTK – Switching Oxygen Sensor: 1 Wire, 7" Long, Non-Heated, Direct Fit (Part No.23552)

Switching Oxygen Sensor: 1 Wire, 7" Long, Non-Heated, Direct Fit

from

$45.99
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:
  • 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
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In-Demand Gas Caps for 1981 Mercury Grand Marquis

Select from 2 premium Gas Caps parts for your 1981 Mercury Grand Marquis, with prices ranging from $9.49 to $19.79.

Carquest Premium – Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10810)

Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$9.49
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:
  • 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
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Carquest Premium – Locking Fuel Cap: 10582, Push In, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10582)

Locking Fuel Cap: 10582, Push In, Direct Fit, Provides Tight Seal, 1 Pack

from

$19.79
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:
  • 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
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Most Sold 1981 Mercury Grand Marquis Fuel Pumps

Explore our best-selling Mercury parts for the 1981 Grand Marquis among 10 OEM and aftermarket options starting from $34.99.

Edelbrock – Performer RPM Series fuel pump is for 289-351W Ford (Part No.1725)

Performer RPM Series fuel pump is for 289-351W Ford

from

$177.99
Product Features:
  • Mechanical Operation
  • Fuel Sending Unit Not Included
  • For Small-Block 289-351 Ford Engines
  • In Tank Mounting Type
  • 110 GPH
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Mr. Gasket – Electric Fuel Pump (Part No.12S)

Electric Fuel Pump

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:
  • 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
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Holley – Mechanical Fuel Pump (Part No.12-833)

Mechanical Fuel Pump

from

$124.99
Mechanical fuel pump made from heavy duty construction for continuous high RPM operation. Fuel body casting can be rotated to accommodate various plumbing situations. Fuel pressure regulator is not required.

Product Features:
  • Street Performance
  • Flows 80 gph Free Flow
  • Shutoff Pressure Pre-Set 7.5 PSI
  • Fuel Pressure Regulator Is Not Required
  • Heavy Duty Construction For Continuous High rpm Operation
  • Fuel Body Casting Can Be Rotated For Various Plumbing Situations
  • Inlet And Outlet Tapped For 1/4 in. NPT
  • Inlet/Outlet Tapped For .25 in. NPT
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Carquest Premium – Fuel Pump Includes Wiring Harness and Strainer (Part No.E219650)

Fuel Pump Includes Wiring Harness and Strainer

from

$87.99
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 Origina

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
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Carquest Premium – Mechanical Fuel Pump 3510505: Includes Gasket (Part No.3510505)

Mechanical Fuel Pump 3510505: Includes Gasket

from

$34.99
Carquest Premium mechanical 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. Every mechanical fuel pump is 100% tested throughout the entire manufacturing process for worry-free performance. Carquest Premium mechanical fuel pumps include the installation gaskets needed for each application. Carquest Premium mechanical 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
  • Special heat-treated rocker arms and case-hardened pins to ensure lasting performance
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
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Edelbrock – Victor Series fuel pump is for 289-351W Ford (Part No.1715)

Victor Series fuel pump is for 289-351W Ford

from

$182.99
High volume 0.5 inch NPT inlet and outlet. Large alcohol-proof diaphragm. Aircraft-type Allen bolts. Produces 10 psi. For gasoline only. Finest quality material. Beautifully detailed. Use with fuel pressure regulator PN(8190).

Product Features:
  • Hi-Vol 0.5 in. NPT Inlet/Outlet
  • Large Alcohol-Proof Diaphragm
  • Aircraft-Type Allen Bolts
  • Produces 10 psi
  • For Gasoline Only
  • Finest Quality Material
  • Beautifully Detailed
  • Use w/Fuel Pressure Regulator PN[8190]
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Holley – Mechanical Fuel Pump (Part No.12-289-13)

Mechanical Fuel Pump

from

$200.99
Mechanical fuel pump made from heavy duty construction for continuous high RPM operation. Fuel body casting can be rotated to accommodate various plumbing situations. Fuel pressure regulator is not required.

Product Features:
  • High Output Fuel Flow
  • Flows 130+ gph Free Flow
  • Shutoff Pressure Pre-Set From 7.5 To 9 PSI
  • Fuel Pressure Regulator Is Not Required
  • Heavy Duty Construction For Continuous High rpm Operation
  • Redesigned High Flow Valves Always Ensure Adequate Fuel Delivery
  • Fuel Body Casting Can Be Rotated For Plumbing Situations
  • Inlet And Outlet Tapped For 3/8 in. NPT
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Holley – Keith Dorton Series; VoluMax Race Series Fuel Pump (Part No.12-289-20)

Keith Dorton Series; VoluMax Race Series Fuel Pump

from

$217.99
Keith Dorton Series VoluMax race series fuel pump made from heavy duty construction for continuous high RPM operation. Redesigned high flow valves always ensure adequate fuel delivery. Fuel pressure regulator is required. Fuel body casting can be rotated

Product Features:
  • High Output Fuel Flow
  • Flows 170+ gph Free Flow
  • Shutoff Pressure Pre-Set At 8 PSI
  • Fuel Pressure Regulator Is Not Required
  • Heavy Duty Construction For Continuous High rpm Operation
  • Redesigned High Flow Valves Always Ensure Adequate Fuel Delivery
  • Fuel Body Casting Can Be Rotated For Plumbing Situations
  • Inlet And Outlet Tapped For 3/8 in. NPT
See More

KAI – Fuel Pump Module Assembly (Part No.FMD010083)

Fuel Pump Module Assembly

from

$62.99
New Platinum Pro Fuel Pump Module

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
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Carquest Premium – Mechanical Fuel Pump Includes Gasket (Part No.3496447)

Mechanical Fuel Pump Includes Gasket

from

$40.49
Carquest Premium mechanical 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. Every mechanical fuel pump is 100% tested throughout the entire manufacturing process for worry-free performance. Carquest Premium mechanical fuel pumps include the installation gaskets needed for each application. Carquest Premium mechanical 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
  • Special heat-treated rocker arms and case-hardened pins to ensure lasting performance
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
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Top-Rated Fuel and Emissions Systems Brands For Your 1981 Mercury Grand Marquis

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 1981 Mercury Grand Marquis. Below you’ll find some of our best rated Fuel and Emissions Systems from Bosch and Dorman, and more. Fuel and Emissions Systems from these brands that fit a 1981 Grand Marquis start at just $9.99 and are rated as high as 5 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular Bosch 1981 Mercury Grand Marquis Fuel and Emissions Systems

When it comes to maintaining or upgrading your 1981 Mercury Grand Marquis, 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 1981 Mercury Grand Marquis. 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 $32.99. Plus, with over 31 customer reviews and an average rating of 5 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.

Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit
from
$32.99

(31)

Oxygen Sensor: 1 Wire, 5.31" Long, Non-heated, Universal Fit

“Been installed for a week. CEL is still off.”

Popular Dorman 1981 Mercury Grand Marquis Fuel and Emissions Systems

Dorman auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 1981 Mercury Grand Marquis owner should feel confident when installing genuine Dorman parts in their vehicle. To ensure the best fit and performance for your 1981 Grand Marquis, Advance Auto Parts carries a full inventory of 7 Dorman Fuel and Emissions Systems. Plus you will be keeping your Mercury in peak condition while saving money because prices on these Dorman Fuel and Emissions Systems range from $9.99 to $303.99, plus, with more than 8 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.

Fuel Tank Vent Rollover Valve
from
$27.99
This product is not rated

Fuel Tank Vent Rollover Valve

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Steel Fuel Tank
from
$303.99
This product is not rated

Steel Fuel Tank

“”

5-Wire Ford Fuel Pump Relay
from
$13.99
This product is not rated

5-Wire Ford Fuel Pump Relay

“”

FAQs for 1981 Mercury Grand Marquis Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 1981 Mercury Grand Marquis?

Out of 45 Fuel and Emissions Systems that fit 1981 Mercury Grand Marquis, the following parts are the top sellers:

What’s the price range for 1981 Mercury Grand Marquis Fuel and Emissions Systems?

Fuel and Emissions System prices for the 1981 Mercury Grand Marquis start at $1.99 and go up to $331.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 1981 Mercury Grand Marquis?

The average price for Fuel and Emissions Systems for the 1981 Mercury Grand Marquis is $73.58. 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 Grand Marquis model years?

Yes, we currently carry Fuel and Emissions Systems for 36 model years of Mercury Grand Marquis between 1975 and 2011. Fuel and Emissions Systems are bought most frequently for the following model years: 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, and 2003.

What are the cheapest Fuel and Emissions Systems for my 1981 Mercury Grand Marquis?

The cheapest 1981 Mercury Grand Marquis Fuel and Emissions Systems we carry in stock are:

What types of Fuel and Emissions Systems do you sell for my 1981 Mercury Grand Marquis?

As of 2/5/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 1981 Mercury Grand Marquis:

Can I get help with 1981 Mercury Grand Marquis 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 Grand Marquis Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Mercury Grand Marquis 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.