1981 Mercury Marquis Fuel and Emissions Systems

Essential 1981 Mercury Marquis Fuel and Emissions Systems

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

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
See More

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1068)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$1.79
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 – Secondary Air Injection Pump Check Valve (Part No.CVC1009)

Secondary Air Injection Pump Check Valve

from

$29.49
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.
See More

Felpro – Fuel Injection Plenum Gasket Set (Part No.MS 92914)

Fuel Injection Plenum Gasket Set

from

$5.49
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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
See More

Spectra Premium – Mechanical Pump (Part No.SP1002MP)

Mechanical Pump

from

$23.19
CARQUEST mechanical fuel pumps are the only mechanical fuel pumps manufactured in the USA. These pumps are precision-cast units designed to meet or exceed OEM specifications and are built with enhanced, long-lasting components.

Product Features:
  • Special heat treated rocker arms and case-hardened pins to ensure long-lasting performance
  • Upgraded seals and pump diaphragms for compatibility with modern multi-fuel blends
  • Every single pump is 100% tested throughout the entire manufacturing process for worry free, out-of-the-box performance
See More

NTK – Air Charge Temperature Sensor (Part No.EF0016)

Air Charge Temperature Sensor

from

$30.99
The Engine Coolant Temperature Sensor determines the exact temperature of the engine coolant by sending an analog signal to the ECM to censure proper air/fuel ratio along with proper operation of the cooling fan(s) and temperature gauge. The Engine Coolant Temperature Sensor may be located on the cylinder head, engine block, thermostat housing or intake manifold. Reasons for replacement include: check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clip(s) included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
  • THE NTK DIFFERENCE: Thread sealant/o-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
See More

Carquest Premium – Fuel Pump Hanger Assembly: Fuel Pump and Strainer (Part No.HS219628)

Fuel Pump Hanger Assembly: Fuel Pump and Strainer

from

$189.99
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
See More

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye

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

Felpro – Fuel Pump Mounting Gasket (Part No.6579)

Fuel Pump Mounting Gasket

from

$2.99
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
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Bosch – Bosch Oxygen Sensor (Part No.C501033440BOS)

Bosch Oxygen Sensor

from

$46.93
The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
See More

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 advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.  Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product. 

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds OE specifications
See More

Dorman – Fuel Tank Strap Set (Part No.578-057)

Fuel Tank Strap Set

from

$35.99
Recommended for replacement whenever the fuel tank is replaced or serviced, this strap is a direct replacement for the original. Manufactured from durable materials to withstand harsh road and weather conditions.

Product Features:
  • Direct replacement – this fuel tank strap matches the fit, function and performance of the original part
  • Ideal solution – recommended for replacement when the fuel tank is serviced or replaced
  • Durable construction – manufactured from quality materials for superior service and reliability
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
See More

Spectra Premium – Fuel Tank Strap (Part No.ST34)

Fuel Tank Strap

from

$17.29
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
See More

Carquest Premium – Air Charge Temperature Sensor Connector (Part No.PTA1366)

Air Charge Temperature Sensor Connector

from

$20.99
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:
  • 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
See More

Carquest Premium – Electric Fuel Pump Inertia Switch (Part No.SBA4426)

Electric Fuel Pump Inertia Switch

from

$84.99
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 – Fuel Pump Lock Ring (Part No.579-003)

Fuel Pump Lock Ring

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:
  • 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
See More

Dorman – Fuel Pump Lock Ring (Part No.579-004)

Fuel Pump Lock Ring

from

$14.49
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:
  • 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
See More

Motorad – Tethered Gas Cap: Non-Locking, Original Equipment Manufacturer, Reduces Air Pollution, 1 Pack (Part No.MGC817T)

Tethered Gas Cap: Non-Locking, Original Equipment Manufacturer, Reduces Air Pollution, 1 Pack

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.
See More

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17591)

Keyed Alike Locking Fuel Cap

from

$11.99
None

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
See More

Carquest Premium – Ported Vacuum Switch (Part No.ECA1248)

Ported Vacuum Switch

from

$54.99
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 – Ported Vacuum Switch (Part No.SBA5435)

Ported Vacuum Switch

from

$19.79
Ported Vacuum Switch

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.
See More

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
See More

Walker Products – Air Charge Temperature Sensor (Part No.C6000352505WKR)

Air Charge Temperature Sensor

from

$25.06
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:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
See More

Spectra Premium – Fuel Tank (Part No.F3)

Fuel Tank

from

$239.99
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
See More

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
See More

Spectra Premium – Fuel Tank (Part No.F2C)

Fuel Tank

from

$162.99
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
See More

Spectra Premium – Fuel Tank (Part No.F18)

Fuel Tank

from

$154.99
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
See More

1981 Mercury Marquis Fuel and Emissions Systems

You count on your 1981 Mercury Marquis to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 40 Fuel and Emissions Systems ranging in price from $1.99 to $331.99, you’re sure to find everything you need for your 1981 Mercury Marquis.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 13 different brands like Felpro, Delphi, and Bosch. 1981 Mercury Marquis Fuel and Emissions Systems start as low as $1.99!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 610 extensive product reviews on 1981 Mercury Marquis Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Mechanical Fuel Pump with 1.0 stars and Locking Fuel Cap: 10582, Push In, Direct Fit, Provides Tight Seal, 1 Pack with 3.0 stars.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 1981 Mercury Marquis below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1981 Mercury Marquis

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1981 Mercury Marquis running right for years to come. In our inventory you’ll find brands like Felpro, Delphi, Bosch, and even more.

Popular Felpro Fuel and Emissions Systems

You’ll find popular Felpro brand products across Fuel Pumps. All are waiting to get your 1981 Mercury Marquis back on the road. Some of the top-rated Felpro products in these categories are:
Fuel Pump Mounting Gasket
from $2.99
(26)
Fuel Pump Mounting Gasket
Fuel Pump Block-Off Plate Gaskets

Top-Rated Fuel and Emissions Systems


If are what you’re looking for, our inventory holds plenty. We stock brand Fuel and Emissions Systems for your 1981 Mercury Marquis, and some of our most reviewed parts include:
Electric Fuel Pump
from $64.99
(37)
Electric Fuel Pump
Fuel Pumps

FAQs for 1981 Mercury Marquis Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 1981 Mercury Marquis?

Out of 40 Fuel and Emissions Systems for the 1981 Mercury Marquis, the most popular in our inventory are:
Fuel Tank Cleaning Kit
from $12.49
This product is not rated
Fuel Tank Cleaning Kit
Fuel Tank Cleaning Kits

What are the top-rated 1981 Mercury Marquis Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 1981 Mercury Marquis based on customer reviews/ratings are:
Mechanical Fuel Pump
from $124.99
(3)
Mechanical Fuel Pump
“leaked around the adjustable bolts returned and got a second one and it leaked in the same place.”
Locking Fuel Cap: 10582, Push In, Direct Fit, Provides Tight Seal, 1 Pack
from $19.79
(1)
Locking Fuel Cap: 10582, Push In, Direct Fit, Provides Tight Seal, 1 Pack
“I could not get this cap to go on the 1978 Ford Pickup I ordered it for! However it does work on my 1953 & 1954 Ford NAA tractors, a 1975 Ford F350 &”
Mechanical Fuel Pump
from $165.99
(1)
Mechanical Fuel Pump
“looks very cheap nothing like the photograph on the web page”