2005 Mercury Grand Marquis Fuel and Emissions Systems

Essential Fuel and Emissions Systems for 2005 Mercury Grand Marquis

Dorman – Nylon Shield Retainer- Ford and GM (sold by each) (Part No.700-614)

Nylon Shield Retainer- Ford and GM (sold by each)

from

$0.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Dorman – Fuel Tank Filler Neck (Part No.577-140)

Fuel Tank Filler Neck

from

$174.99
Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Product Features:
  • Direct replacement – this fuel filler neck is made to match the original equipment on specific vehicles
  • Durable construction – made of corrosion-resistant materials to reduce future failure potential
  • Regulatory compliant – built to meet emission and inspection standards
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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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
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Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.70020)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$4.29
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Carquest Premium – Vapor Canister Vent Solenoid (Part No.CPC2103)

Vapor Canister Vent Solenoid

from

$92.99
Ensure that your vehicle’s emission control system performs at its best with Carquest premium Vapor Canister Vent Valves. Manufactured for long-lasting performance, these Vent Valves provide reliable operation and help maintain your vehicle’s compliance with environmental regulations. For cleaner emissions, optimal vehicle efficiency and perfomance, trust Carquest Vapor Canister Vent Valves.

Product Features:
  • Provides closure for the EVAP system (normally vented) during OBD II test cycle
  • Includes integrated filter, where applicable, that captures contaminants and particulates from incoming air, preventing clogging and ensuring clean airflow
  • Quick valve response to engine demands, ensuring efficient venting of vapors and optimizing overall engine performance
  • Meets or exceeds all OEM specifications
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Delphi – Fuel Pump Hanger Assembly: With Float Arm, Bolts, Washers, Retainer Clips (Part No.HP10097)

Fuel Pump Hanger Assembly: With Float Arm, Bolts, Washers, Retainer Clips

from

$267.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • 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
  • Metal tubes in Delphi hangers are routed so as to not contact the tank or vehicle underbody at any point eliminating noise and vibration during vehicle operation
  • Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
  • Restores fast pressure performance and system integrity, translating to better pumping through less energy
  • Lower failure rates due to its innovative design and durability
  • 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
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Dorman – EGR Tube Connector (Part No.917-416)

EGR Tube Connector

from

$16.99
This EGR tube 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 EGR tube 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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Carquest Premium – Multi-Use Connector (Part No.PTA2708)

Multi-Use Connector

from

$52.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Secondary Air Injection Pipe (Part No.EGP1143)

Secondary Air Injection Pipe

from

$96.99
The Secondary Air Injection system is an emission control device designed to pump fresh air into the engine exhaust system to reduce harmful emissions. The Air Injection Pipe directs the air flow in the system based on ambient temperature conditions and engine operating conditions.

Product Features:
  • Application matched component to ensure the system can be returned to like new condition.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Carquest Premium – EGR Valve (Part No.EGC1492)

EGR Valve

from

$96.99
Carquest Premium exhaust gas recirculation (EGR) valves are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Our Carquest Premium EGR valves are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium EGR valves undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium EGR valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Precision engineering and robust design to withstand harsh under hood environment
  • Gaskets or seals are included if required for installation
  • Extensive design validation testing and 100% end-of-line tested
  • Where applicable stainless-steel sleeves used over cold rolled sleeves providing smooth EGR pintle operation under all operating conditions.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Accel – Perf Fuel Injectors 24Lb 8-Pak (Part No.150824)

Perf Fuel Injectors 24Lb 8-Pak

from

$499.99
ACCEL Performance fuel injectors provides precise control of fuel delivery & atomization for improved throttle response. They are all new units: not modified stock units or remanufactured from used cores. They feature a low-mass disc design that ensures accurate metering control even at ultra-low & high duty cycles and higher fuel pressures. ACCEL performance Injectors can be used with gasoline or E85 and are great for blown applications where increased fuel pressure and precise metering are required. State-of-the-art manufacturing processes reduce flow deviations between injectors, which improve performance. Low- and High-impedance designs are available to match most commercial applications.

Product Features:
  • Provides precise control of fuel delivery & atomization for improved throttle response
  • All new units: not modified stock units or remanufactured from used cores
  • New low-mass disc design ensures accurate metering control even at ultra-low & high duty cycles
  • Operates at higher fuel pressures without loss of metering control
  • Great for blown applications where increased fuel pressure and precise metering are required
  • State-of-the-art manufacturing processes reduce flow deviations between injectors to improve performance
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Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6212)

Mass Air Flow Sensor (MAF) - 100% NEW

from

$92.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:
  • CARQUEST MAF use all new high-quality components at the highest quality standards.
  • Manufactured with new and advanced technology to perform, fit and function at OE specifications.
  • All new product that is tested with OEM equipment to OEM standards
  • Outperforms competition when tested in extreme environmental conditions
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Dorman – Multi-Purpose Harness (Part No.645-211)

Multi-Purpose Harness

from

$62.99
Make better electrical repairs and accessory installations with a Dorman pigtail connector. This idle air control valve connector is designed to match performance of the original equipment connector on specified vehicles. Engineered for a clean appearance when installed, Dorman connectors are ideal for neatly securing wiring jobs in automotive, commercial, industrial and household applications. Our pigtails are constructed from quality materials for long service life and resistance to the elements, and offer a range of features including locking tabs, weatherproof seals and more, where applicable. Check the product details to choose the best product for your electrical wiring needs.

Product Features:
  • Direct replacement – this idle air control valve connector is designed to match performance of the original equipment connector on specified vehicles
  • Ensure fit – check the product details to choose the best product for your needs
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Fuel Cap Tester Adapter (Part No.12422)

Fuel Cap Tester Adapter

from

$39.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

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
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Carquest – Exhaust Gas Recirculation (EGR) Valve Control Solenoid (Part No.86C1004)

Exhaust Gas Recirculation (EGR) Valve Control Solenoid

from

$38.99
The Exhaust Gas Recirculation (EGR) Valve Control Solenoid controls the vacuum source to the EGR valve in order to provide the most optimal exhaust flow through the EGR valve and into the combustion chamber.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Where applicable electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
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ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings (Part No.217-3414)

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with Seals with 2 O-Rings

from

$10.29
The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Bosch – Oxygen Sensor: 4 Wire, 18.94" Long, Heated, Exact Fit (Part No.15718)

Oxygen Sensor: 4 Wire, 18.94" Long, Heated, Exact Fit

from

$50.99
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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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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Felpro – UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET (Part No.MS 94555)

UPPER INTAKE MANIFOLD GASKET/ PLENUM GASKET

from

$12.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Carquest Premium – Fuel Pump / Sending Unit Connector (Part No.FPC1096)

Fuel Pump / Sending Unit Connector

from

$161.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system or operating system fault.

Product Features:
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS004)

Fuel Injector Seal Kit

from

$3.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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Carquest Premium – Multi-Use Connector (Part No.PTA2964)

Multi-Use Connector

from

$58.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
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Carquest Premium – Fuel Pump Strainer FS260347 (Part No.FS260347)

Fuel Pump Strainer FS260347

from

$23.99
CARQUEST Premium electric fuel pumps are built 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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Dorman – Fuel Filler Neck Grommet (Part No.577-502)

Fuel Filler Neck Grommet

from

$35.99
This fuel filler neck seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel filler neck seal is designed to match the fit and function of the original seal on specified vehicles
  • Restores functionality – this seal is made to fit and fully restore part functionality after the original seal 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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Carquest Premium – Fuel Injection Pressure Sensor (Part No.FPC1012)

Fuel Injection Pressure Sensor

from

$125.99
Pressure sensors are used within several operating systems on the vehicle. Subjects in this category measure the pressure of both liquid and air to include air in a positive pressure and negative pressure range. Pressure sensors report out as the result of an electrical device called a strain gauge which produces an analog or digital signal output dependent on the needs of the circuit. Pressures may be very low such as barometric pressure, or extremely high such as in a high-pressure fuel injection system.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
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Carquest Premium – Locking Flex Fuel Tank Cap (Part No.10510Y)

Locking Flex Fuel Tank Cap

from

$25.99
Product Features:
  • Independently tested for emission control
  • 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 – Springlock Fuel Line Connector- 14mm x 5/16In. Barbed Male (Part No.800-131)

Springlock Fuel Line Connector- 14mm x 5/16In. Barbed Male

from

$16.99
Replace only the damaged connectors instead of the entire fuel line with these direct-replacement fuel line connectors. Designed for easy installation and a precise fit, they are engineered to withstand extreme underhood conditions.

Product Features:
  • Direct replacement – these fuel line connectors fit and function like the vehicle’s original equipment connectors for reliable, leak-free performance
  • Quality construction – manufactured from premium materials for a long service life
  • Saves money – replace only the part, not the entire assembly
  • Excellent value – original equipment quality at a lower price
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Carquest Premium – Vapor Canister Purge Solenoid: Includes Mounting Hardware (Part No.CPE1154)

Vapor Canister Purge Solenoid: Includes Mounting Hardware

from

$102.99
Maximize your vehicle’s efficiency and emissions control with Carquest Vapor Canister Purge Solenoids. Engineered for precision, these solenoids seamlessly regulate the flow of fuel vapors from the Vapor Canister to the engine for cleaner combustion, reducing harmful emissions. Built to meet and/or exceed OEM standards, Carquest Purge Solenoids offer reliable functionality, long-lasting durability, and easy installation.

Product Features:
  • Enhances overall engine performance by providing proper vapor flow to maintain correct air-fuel mixture.
  • Helps reduce harmful emissions and ensures compliance with environmental regulations by controlling the release of fuel vapors into the engine
  • Ensures precise operation with electromagnetic principles to control the flow of fuel vapors from the carbon canister to the engine
  • Manufactured from high quality engineered materials, resistant to fuel vapors and extreme temperatures, ensuring long lasting performance
  • Meets or exceeds all OEM specifications
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Upgrade your 2005 Mercury Grand Marquis with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2005 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 65 Fuel and Emissions Systems for the 2005 Mercury Grand Marquis, designed to meet your needs without breaking the bank. From Air Flow Sensor replacements to Gas Caps upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 2005 Mercury Grand Marquis at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $0.99 to $511.99, with an average price of $82.10. Our 65 Fuel and Emissions Systems in stock come from 15 trusted brands, so you’re sure to find the right part for your 2005 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 2005 Mercury Grand Marquis, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like FELPRO, Carquest Premium, Dorman, and more. FELPRO Fuel and Emissions Systems start at just $2.99 and boast an impressive 4.6 stars average rating from customers. Carquest Premium and Dorman also bring quality to the table, with Fuel and Emissions Systems available starting at $6.99, and at an average 4.4 stars rating. With 1,076 customer reviews and counting, our 2005 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 2005 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 2005 Mercury Grand Marquis!

Best-Selling Air Flow Sensors for 2005 Mercury Grand Marquis

Enhance the driving experience in your Mercury with 3 quality Air Flow Sensor components, starting at $0.99.

Motorcraft – Wire Assembly (Part No.WPT-322)

Wire Assembly

from

$69.99
Wire Assembly

Carquest Premium – Multi-Use Connector (Part No.PTA2925)

Multi-Use Connector

from

$44.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
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Dorman – Nylon Shield Retainer- Ford and GM (sold by each) (Part No.700-614)

Nylon Shield Retainer- Ford and GM (sold by each)

from

$0.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Most Popular 2005 Mercury Grand Marquis Gas Caps

Customize your Mercury with 3 Gas Caps products like Gas Caps, all priced under $33.49.

Carquest Premium – Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10840)

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

from

$22.29
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:


Product Features:
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • 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 Tank Cap (Part No.10510)

Locking Fuel Tank Cap

from

$33.49
Product Features:
  • Reduces air pollution with proper sealing and venting
  • 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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Motorad – Non-Locking Tethered Fuel Tank Cap (Part No.MGC839T)

Non-Locking Tethered Fuel Tank Cap

from

$30.99
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:
  • 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
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Top Picks for 2005 Mercury Grand Marquis Fuel Injectors

Upgrade Mercury Grand Marquis with top-quality Fuel Injectors parts, including 12 OEM and aftermarket selections for your 2005 model.

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61050)

Fuel Injection Throttle Body Mounting Gasket

from

$2.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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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Felpro – Fuel Injector O-Ring Kit (Part No.ES 70599)

Fuel Injector O-Ring Kit

from

$8.49
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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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Spectra Premium – Mass Air Flow Sensor (Part No.MA147)

Mass Air Flow Sensor

from

$89.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium mass air flow sensors 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 engine management systems design expertise
  • Platinum connector threads reduce the number of connection points for faster reaction to change
  • Ceramic-built printed circuit boards are protected by silica gel, providing superior resistance to temperature changes and vehicle vibrations
  • Ceramic board provides reliable voltage to eliminate engine rough-idle problems
  • Each new sensor 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
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Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6206)

Mass Air Flow Sensor (MAF) - 100% NEW

from

$75.99
Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:
  • CARQUEST MAF use all new high-quality components at the highest quality standards.
  • Manufactured with new and advanced technology to perform, fit and function at OE specifications.
  • All new product that is tested with OEM equipment to OEM standards
  • Outperforms competition when tested in extreme environmental conditions
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Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0012)

Air Flow Sensor - New Actual OE Part

from

$91.99
Hitachis Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachis air flow sensors the premium choice.

Product Features:
  • Hitachi is a Tier 1 OE supplier for air flow sensors
  • 100% NEW, never remanufactured
  • Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
  • Precision manufactured and assembled sensing elements for accurate air flow measurements
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS051)

Fuel Injector Seal Kit

from

$9.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61096)

Fuel Injection Throttle Body Mounting Gasket

from

$4.29
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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Carquest Premium – Reman Multi Port Fuel Injector (Part No.A211-1962)

Reman Multi Port Fuel Injector

from

$51.99
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
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Delphi – Mass Air Flow Sensor (Part No.AF10140)

Mass Air Flow Sensor

from

$159.99
Every single Delphi mass air flow (MAF) sensor that we manufacture – whether with or without the housing – is built with calibrated all-new components and is never remanufactured. Our mass air flow sensors are designed and tested to meet or exceed OE requirements, and engineered for a perfect fit in more than 180 million vehicles on the road today in North America – including makes from Ford, Toyota, Nissan, Volkswagen, Hyundai, BMW, Honda, GM, Mazda, Subaru, Acura and more.

Product Features:
  • Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
  • Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
  • Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
  • All parts are calibrated and tested to match the OE part
  • Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube
  • Delphi OE technology validated to match the vehicle applications
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Bosch – Fuel Injector: New (Part No.62395)

Fuel Injector: New

from

$46.99
Bosch is a recognized OE leader in fuel systems technology, with more than 45 years of gasoline fuel injection experience. The fuel injection program provides vast coverage for Domestic, European, and Asian vehicles.

Product Features:
  • Guaranteed OE fit, form and function
  • Manufactured of the highest quality materials
  • Provides precision flow and original spray pattern for optimal performance
  • Product includes top and bottom mounting o-ring
  • Maintains new-car smoothness and drivability
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Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10027-01)

Fuel Injector O-Ring Kit

from

$8.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Victor Reinz – Fuel Injection Idle Air Control Valve Gasket (Part No.71-13739-00)

Fuel Injection Idle Air Control Valve Gasket

from

$2.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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In-Demand Fuel Pumps for 2005 Mercury Grand Marquis

Select from 8 premium Fuel Pumps parts for your 2005 Mercury Grand Marquis, with prices ranging from $21.99 to $282.99.

Carquest Premium – Fuel Pump Strainer FS260347 (Part No.FS260347)

Fuel Pump Strainer FS260347

from

$23.99
CARQUEST Premium electric fuel pumps are built 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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Dorman – Fuel Filler Neck Grommet (Part No.577-501)

Fuel Filler Neck Grommet

from

$21.99
This fuel filler neck seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel filler neck seal is designed to match the fit and function of the original seal on specified vehicles
  • Restores functionality – this seal is made to fit and fully restore part functionality after the original seal 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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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

$225.99
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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Delphi – Fuel Pump Strainer (Part No.FS0092)

Fuel Pump Strainer

from

$35.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • Filtration performance and micron rating meet or exceed OE requirements
  • OE replacement strainer designed for use with Delphi electric fuel pumps
  • Replacing the strainer is always recommended when replacing a fuel pump
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Delphi – Fuel Pump Hanger Assembly: With Float Arm, Bolts, Washers, Retainer Clips (Part No.HP10136)

Fuel Pump Hanger Assembly: With Float Arm, Bolts, Washers, Retainer Clips

from

$282.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:
  • 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
  • Metal tubes in Delphi hangers are routed so as to not contact the tank or vehicle underbody at any point eliminating noise and vibration during vehicle operation
  • Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
  • Restores fast pressure performance and system integrity, translating to better pumping through less energy
  • Lower failure rates due to its innovative design and durability
  • 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
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Carquest Premium – Fuel Pump / Sending Unit Connector (Part No.FPC1096)

Fuel Pump / Sending Unit Connector

from

$161.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system or operating system fault.

Product Features:
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
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Carquest Premium – Multi-Use Connector (Part No.PTA2964)

Multi-Use Connector

from

$58.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
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Carquest Premium – Fuel Cap Tester Adapter (Part No.12422)

Fuel Cap Tester Adapter

from

$39.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

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
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Most Sold 2005 Mercury Grand Marquis Oxygen Sensors

Explore our best-selling Mercury parts for the 2005 Grand Marquis among 9 OEM and aftermarket options starting from $50.99.

Motorcraft – O2 Sensor (Part No.DY-1401)

O2 Sensor

from

$72.99
O2 Sensor

NTK – Switching Oxygen Sensor: 4 Wire, 17" Long, Heated, Direct Fit (Part No.22500)

Switching Oxygen Sensor: 4 Wire, 17" Long, Heated, Direct Fit

from

$66.99
NGK 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, 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: 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, Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, 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: 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
  • ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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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

$61.99
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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NTK – Switching Oxygen Sensor: 4 Wire, 15.5" Long, Heated, Direct Fit (Part No.22060)

Switching Oxygen Sensor: 4 Wire, 15.5" Long, Heated, Direct Fit

from

$64.99
NGK is the sensor specialist for import and domestic applications. Established under the NGK product family, oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramic company at our core, uses cutting-edge technology to control the ceramic used in our oxygen sensors from raw material to finished product. is the world’s largest supplier and manufacturer of OE oxygen sensors. Combining expertise and innovation, oxygen sensors deliver superior fit, form, and function. oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive market support and OE application technology.

Product Features:
  • OEM QUALITY: 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, Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, 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: 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
  • ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Bosch – Oxygen Sensor: 4 Wire, 18.94" Long, Heated, Exact Fit (Part No.15718)

Oxygen Sensor: 4 Wire, 18.94" Long, Heated, Exact Fit

from

$50.99
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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Bosch – Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal (Part No.15729)

Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal

from

$79.99
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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DENSO – Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit (Part No.234-4210)

Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit

from

$81.99
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 poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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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DENSO – Oxygen Sensor: 4 Wire, 18.11" Long, Heated, Exact Fit (Part No.234-4609)

Oxygen Sensor: 4 Wire, 18.11" Long, Heated, Exact Fit

from

$51.99
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 poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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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DENSO – Oxygen Sensor: Upstream, 4 Wire, 18.90" Long, Heated, Exact Fit (Part No.234-4045)

Oxygen Sensor: Upstream, 4 Wire, 18.90" Long, Heated, Exact Fit

from

$58.99
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 poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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
See More

Top-Rated Fuel and Emissions Systems Brands For Your 2005 Mercury Grand Marquis

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2005 Mercury Grand Marquis. Below you’ll find some of our best rated Fuel and Emissions Systems from FELPRO, Carquest Premium, and Dorman, and more. Fuel and Emissions Systems from these brands that fit a 2005 Grand Marquis start at just $2.99 and are rated as high as 4.6 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular FELPRO 2005 Mercury Grand Marquis Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2005 Mercury Grand Marquis, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. FELPRO ticks all of those boxes. We offer a wide selection of FELPRO Fuel and Emissions Systems, specifically designed for the 2005 Mercury Grand Marquis. With over 3 FELPRO 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 $4.92. Plus, with over 149 customer reviews and an average rating of 4.6 stars, you can trust that our FELPRO 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.
THROTTLE BODY GASKET SET
from $3.29
(32)
THROTTLE BODY GASKET SET
“Great”
Fuel Injection Throttle Body Mounting Gasket
from $2.99
(8)
Fuel Injection Throttle Body Mounting Gasket
“It fit 05 f150 perfectly like it should.”
Fuel Injector O-Ring Kit
from $8.49
(109)
Fuel Injector O-Ring Kit
“Good parts”

Popular Carquest Premium 2005 Mercury Grand Marquis Fuel and Emissions Systems

Carquest Premium auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 2005 Mercury Grand Marquis owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2005 Grand Marquis, Advance Auto Parts carries a full inventory of 3 Carquest Premium Fuel and Emissions Systems. Plus you will be keeping your Mercury in peak condition while saving money because prices on these Carquest Premium Fuel and Emissions Systems range from $22.29 to $33.49, plus, with more than 61 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.
Locking Fuel Tank Cap
from $33.49
(32)
Locking Fuel Tank Cap
“Perfect fit”
Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack
from $22.29
(25)
Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“Lost the fuel cap to my RV camper and needed something quick to replace it. With a Ford F450 Chasis this size fuel cap was the perfect fit.”
Fuel Pump Strainer FS260347
from $23.99
(4)
Fuel Pump Strainer FS260347
“Perfect fit product is easy to install on new pump. Although, you would think it should come with pump, since it is required for warranty on new pump.”

FAQs for 2005 Mercury Grand Marquis Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2005 Mercury Grand Marquis?

Out of 65 Fuel and Emissions Systems that fit 2005 Mercury Grand Marquis, the following parts are the top sellers:

What’s the price range for 2005 Mercury Grand Marquis Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2005 Mercury Grand Marquis start at $0.99 and go up to $511.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2005 Mercury Grand Marquis?

The average price for Fuel and Emissions Systems for the 2005 Mercury Grand Marquis is $82.10. 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 35 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, 2004, 2003, and 2002.

What are the cheapest Fuel and Emissions Systems for my 2005 Mercury Grand Marquis?

The cheapest 2005 Mercury Grand Marquis Fuel and Emissions Systems we carry in stock are:

What are the top-rated Fuel and Emissions Systems that fit the 2005 Mercury Grand Marquis?

Out of 1,076 reviews by customers, our 2005 Mercury Grand Marquis Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 2005 Mercury Grand Marquis and their top-rated products:

What types of Fuel and Emissions Systems do you sell for my 2005 Mercury Grand Marquis?

Can I get help with 2005 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.