1978 Mercury Marquis Fuel and Emissions Systems

Essential 1978 Mercury Marquis Fuel and Emissions Systems

Mr. Gasket – Fuel Pump Block-Off Plate (Part No.1517)

Fuel Pump Block-Off Plate

from

$15.99
The block-off plates are precision cut to cover stock fuel pump openings. Gasket included. Available in chrome plated or polished aluminum finish.

Product Features:
  • Precision cut
  • Gasket included
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Spectra Premium – Fuel Tank (Part No.F47A)

Fuel Tank

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$347.99
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 (Part No.F27D)

Fuel Tank

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$177.99
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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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
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Carquest Premium – Ported Vacuum Switch (Part No.ECA1537)

Ported Vacuum Switch

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$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

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

Exhaust Gas Recirculation (EGR) Valve Gasket

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$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.
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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.EVA1074)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$14.99
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 – 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
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Spectra Premium – Fuel Tank Strap (Part No.ST34)

Fuel Tank Strap

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$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
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Carquest Premium – Fuel Pump (Part No.E2541177)

Fuel Pump

from

$122.99
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:
  • 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 Includes Gasket (Part No.3496447)

Mechanical Fuel Pump Includes Gasket

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$30.99
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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Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17507)

Keyed Alike Locking Fuel Cap

from

$10.99
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
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Carquest Premium – Fuel Cap: 10834, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10834)

Fuel Cap: 10834, Screw On, Direct Fit, Provides Tight Seal, 1 Pack

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:
  • 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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Dorman – Fuel Sending Unit Retainer Assortment (Part No.E3004425897DOR)

Fuel Sending Unit Retainer Assortment

from

$16.16
Recommended for replacement whenever the sending unit is serviced, Dorman’s Fuel Tank Sending Unit Lock Ring securely retains the fuel pump assembly to the lock. Its heavy-duty steel or plastic construction ensures a long life.

Product Features:
  • Comes with rubber seal or gasket
  • Direct replacement for a proper fit every time
  • Corrosion-resistant
  • Quality-tested for trouble-free performance
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Dorman – Help – Fuel Sending Unit Retainer Kit (Part No.55811)

Fuel Sending Unit Retainer Kit

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
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Carquest Premium – Secondary Air Injection Pump Check Valve (Part No.CVC1006)

Secondary Air Injection Pump Check Valve

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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Carquest Premium – Secondary Air Injection Pump Check Valve (Part No.CVC1004)

Secondary Air Injection Pump Check Valve

from

$18.99
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 – Smog Air Pump (Part No.32-121)

Smog Air Pump

from

$196.99
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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Cardone – Smog Air Pump (Part No.32-115)

Smog Air Pump

from

$196.99
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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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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Dorman – Help – Carburetor Pre-Heater Hose – 2 In. X 18 In. – Aluminum (Part No.96024)

Carburetor Pre-Heater Hose - 2 In. X 18 In. - Aluminum

from

$5.99
This HVAC control duct hose is designed to match the fit and function of the original hose on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this HVAC control duct hose is designed to match the fit and function of the original hose on specified vehicles
  • Restores functionality – reliable replacement for an original hose that has failed due to heat or vibration
  • 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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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
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1978 Mercury Marquis Fuel and Emissions Systems

You count on your 1978 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 35 Fuel and Emissions Systems ranging in price from $1.99 to $331.99, you’re sure to find everything you need for your 1978 Mercury Marquis.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 11 different brands like Felpro, Delphi, and Carquest Premium. 1978 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 551 extensive product reviews on 1978 Mercury Marquis Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Mechanical Fuel Pump 360582: Includes Gasket with 1.0 stars and Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack with 4.7 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 1978 Mercury Marquis below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1978 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 1978 Mercury Marquis running right for years to come. In our inventory you’ll find brands like Felpro, Delphi, Carquest Premium, and even more.

Popular Felpro Fuel and Emissions Systems

You’ll find popular Felpro brand products across Fuel Injectors and Fuel Pumps. All are waiting to get your 1978 Mercury Marquis back on the road. Some of the top-rated Felpro products in these categories are:
Carburetor Mounting Gasket
from $6.49
(3)
Carburetor Mounting Gasket
Fuel Injector Gaskets
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 1978 Mercury Marquis, and some of our most reviewed parts include:
Electric Fuel Pump
from $64.99
(37)
Electric Fuel Pump
Fuel Pumps

FAQs for 1978 Mercury Marquis Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 1978 Mercury Marquis?

Out of 35 Fuel and Emissions Systems for the 1978 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 1978 Mercury Marquis Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 1978 Mercury Marquis based on customer reviews/ratings are:
Mechanical Fuel Pump 360582: Includes Gasket
from $23.99
(4)
Mechanical Fuel Pump 360582: Includes Gasket
“i had this fuel pump on my 1971 Torino 500 351c it started spraying gas out of the weap hole about 2 months after installing. I found another part sto”
Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
from $9.49
(3)
Fuel Cap: 10810, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
“But it works perfect and at a ⅓ of the price. Sweet”
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 &”