1991 Mercury Grand Marquis Fuel and Emissions Systems

Essential 1991 Mercury Grand Marquis Fuel and Emissions Systems

Motorcraft – Idle Control Valve Gasket (Part No.C4063195642MTR)

Idle Control Valve Gasket

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$6.65
With today’s complex automotive engines, it’s even more critical to have the right sealing components for accurate pressure relief and gasket sealing.

Product Features:
  • Wide range available in precut sizes
  • Available plain or backed with adhesive
  • Bulk gasket material available for custom cutting by hand
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Carquest Premium – Oxygen Sensor Connector (Part No.PTA1583)

Oxygen Sensor Connector

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.

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
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Delphi – EGR Valve Position Sensor (Part No.TS10163)

EGR Valve Position Sensor

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$96.99
Delphi temperature sensors are built with the latest OE technology; Delphi temperature sensors use durable, one-piece design; Delphi temperature sensors are impervious to electrical noise and interference.

Product Features:
  • Delphi temperature sensors are built with the latest OE technology
  • Delphi temperature sensors use durable, one-piece design
  • Delphi temperature sensors are impervious to electrical noise and interference
  • Delphi’s OE line of EGR valves provides accurate exhaust flow and emission control
  • All parts used in the manufacture process are Delphi validated, tested and matched to the vehicle application, and manufactured in a Delphi ISO certified facility
  • Available in port, back pressure, and linear configurations to cover many engine applications
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Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

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$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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Hitachi – Idle Control Valve (Part No.C4030175525HIT)

Idle Control Valve

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$137.90
The Hitachi Idle Control Valve is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Corrosion resistant housing material
  • Premium materials for longer service life
  • Meets or exceeds OEM specifications
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Accel – Perf Fuel Injector 44Lb Each (Part No.150144)

Perf Fuel Injector 44Lb Each

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$78.29
ACCEL Performance fuel injectors provides precise control of fuel delivery & atomization for increased power and 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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Dorman – Evaporative Emissions Charcoal Canister (Part No.911-309)

Evaporative Emissions Charcoal Canister

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$487.99
This vapor canister has been made to match the original equipment evap canister on certain vehicle years, makes and models, properly restoring emissions controls.

Product Features:
  • Direct replacement – this evaporative emissions charcoal canister matches the function and performance of the original canister on specified vehicles
  • Restores performance – properly repairs issues with emissions controls to clear check engine light and pass inspection
  • Application specific – reverse engineered from the original design on certain vehicle years, makes and models
  • Trustworthy quality – backed by team of engineers and quality specialists in the United States
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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
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NTK – Switching Oxygen Sensor: 4 Wire, 17" Long, Heated, Direct Fit (Part No.22500)

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

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$59.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
  • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
  • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
  • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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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
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Carquest Premium – Fuel Cap Tester Adapter (Part No.12427)

Fuel Cap Tester Adapter

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$34.99
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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Dorman – Fuel Tank Vent Rollover Valve (Part No.911-060)

Fuel Tank Vent Rollover Valve

from

$27.99
This fuel tank vent valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel tank vent valve is designed to match the fit and function of the original valve on specified vehicles
  • Restores functionality – this valve is made to fit and fully restore part functionality after the original valve fails
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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KAI – Fuel Tank (Part No.FTK010097)

Fuel Tank

from

$239.99
New Platinum Pro Fuel Tank 20 Gallon

Product Features:
  • 20 Gallon, Includes Lock Ring Kit
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPA1037)

Vapor Canister Purge Solenoid

from

$62.99
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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Delphi – Manifold Absolute Pressure Sensor (Part No.PS10242)

Manifold Absolute Pressure Sensor

from

$70.99
Delphi MAP sensors use the latest OE technology; Internally protected against moisture intrusion and vibration; Manufactured to meet or exceed OE requirements for 100,000 miles.

Product Features:
  • Designed and engineered with Delphi expertise
  • Internally protected against moisture intrusion and vibration
  • Long lasting and durable
  • Designed and engineered with Delphi expertise
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Carquest Premium – Engine Camshaft Position Sensor Connector (Part No.PTA1146)

Engine Camshaft Position Sensor Connector

from

$17.79
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.

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
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Carquest Premium – Exhaust Gas Recirculation (EGR) Valve (Part No.EGC1031)

Exhaust Gas Recirculation (EGR) Valve

from

$53.99
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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ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings (Part No.217-3365)

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings

from

$9.99
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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Carquest – Fuel Tank Straps (Includes 2 Straps) (Part No.578-127)

Fuel Tank Straps (Includes 2 Straps)

from

$40.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank straps meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our expertise
  • Direct fit ensures safe, secure fuel tank installation
  • Product individually packaged and labeled to help reduce product damage prior to installation
  • Industry leading coverage on straps for plastic tanks
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Dorman – Chrysler, GM Push Rivet (Part No.961-359D)

Chrysler, GM Push Rivet

from

$4.49
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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Mahle – Fuel Injector O-Ring (Part No.C10132590067MAH)

Fuel Injector O-Ring

from

$8.61
Fuel Injector O-Ring

Spectra Premium – Hanger Assembly; Includes Pump, Sender, and Strainer (Part No.SP2122H)

Hanger Assembly; Includes Pump, Sender, and Strainer

from

$110.99
CARQUEST fuel pump sender assemblies feature exact fit, with design improvements, such as upgraded polymers, brushes, and commutators to ensure lasting durability in multiple fuel blends. Also features advanced rust-inhibiting finish for longer life.

Product Features:
  • Every single pump is 100% tested throughout the entire manufacturing process for worry free, out-of-the-box performance
  • Advanced rust-inhibiting finish for long-lasting durability
  • High-performance pump section assembly provides superior performance
  • Leading-edge inlet design to reduce friction and increase performance
  • Gradient density strainer designed for better contamination resistance
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Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECE1016)

Manifold Absolute Pressure Sensor (MAP)

from

$57.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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Motorcraft – Oxygen Sensor: Engineered for Maximum Performance and Fuel Efficiency (Part No.C5010948703MTR)

Oxygen Sensor: Engineered for Maximum Performance and Fuel Efficiency

from

$84.80
The complete line of Motorcraft sensors and emission components is recommended by Ford Motor Company exclusively for use in Ford and Lincoln vehicles. Motorcraft oxygen sensors are designed for maximum performance.

Product Features:
  • Same components used in the factory
  • Units come ready to plug and play, with no need for modifications
  • OE connectors and wire lengths
  • Tight tolerance ranges help minimize repeat repairs and false Check Engine warnings
  • Designed to help provide optimal performance and fuel economy
  • OE enhancements are included in the most current designs
  • Vehicle-specific coverage Installation Notes: Vehicles equipped with Air Fuel Ratio Sensors may look very similar to the Oxygen Sensor. Please confirm the correct part before ordering and if the connector does not match, do not install.
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Dorman – Fuel Tank Sending Unit (Part No.692-247)

Fuel Tank Sending Unit

from

$161.99
This fuel tank sending unit is designed to match the fit and function of the original unit on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this fuel tank sending unit is designed to match the fit and function of the original unit on specified applications
  • Restores functionality – reliable replacement for an original part that has failed due to internal sensor failure
  • 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 – 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
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Carquest – Ported Vacuum Switch (Part No.EC974)

Ported Vacuum Switch

from

$195.95
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • Special designed thermal elements for improved performance
  • Our EGR products contain feature rich design and componentry yielding market leadership performance
  • BWD is a global manufacturer of emission components, complete quality control is maintained through the manufacturing process from componentry to finished product
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Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1123)

Air Charge Temperature Sensor

from

$23.99
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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1991 Mercury Grand Marquis Fuel and Emissions Systems

You count on your 1991 Mercury Grand 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 110 Fuel and Emissions Systems ranging in price from $2.24 to $605.99, you’re sure to find everything you need for your 1991 Mercury Grand Marquis.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 19 different brands like Carquest Premium, Felpro, and Motorad. 1991 Mercury Grand Marquis Fuel and Emissions Systems start as low as $2.24!

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 579 extensive product reviews on 1991 Mercury Grand Marquis Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Locking Fuel Cap with 4.3 stars and THROTTLE BODY GASKET SET with 4.4 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 1991 Mercury Grand Marquis below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1991 Mercury Grand 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 1991 Mercury Grand Marquis running right for years to come. In our inventory you’ll find brands like Carquest Premium, Felpro, Motorad, and even more.

Popular MAHLE Original Fuel and Emissions Systems

You’ll find popular MAHLE Original brand products across Idle Air Control Parts. All are waiting to get your 1991 Mercury Grand Marquis back on the road. Some of the top-rated MAHLE Original products in these categories are:
Gasket
from $3.49
(3)
Gasket
Fuel Injection Idle Air Control Valve Gaskets

Top-Rated Carquest Premium Fuel and Emissions Systems


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Fuel and Emissions Systems for your 1991 Mercury Grand Marquis, and some of our most reviewed Carquest Premium parts include:

FAQs for 1991 Mercury Grand Marquis Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 1991 Mercury Grand Marquis?

Out of 110 Fuel and Emissions Systems for the 1991 Mercury Grand Marquis, the most popular in our inventory are:
Fuel Injector O-Ring Kit
from $7.49
(109)
Fuel Injector O-Ring Kit
Fuel Injector O-Ring Kits

What are the top-rated 1991 Mercury Grand Marquis Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 1991 Mercury Grand Marquis based on customer reviews/ratings are:
Locking Fuel Cap
from $23.99
(35)
Locking Fuel Cap
“Had a check engine light and when I scanned it, calls for a new gas cap. Instead of buying oem from the dealer or just an ordinary gas cap from a part”
THROTTLE BODY GASKET SET
from $2.29
(32)
THROTTLE BODY GASKET SET
“good price”
Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
from $24.99
(32)
Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“Lost old gas cap and replaced with this one, which comes with a lock (which you don’t have to use,FYI)”