1991 Mercury Cougar Fuel and Emissions Systems

Essential 1991 Mercury Cougar Fuel and Emissions Systems

Dorman – Evaporative Emissions Purge Flow Sensor (Part No.911-129)

Evaporative Emissions Purge Flow Sensor

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$31.99
This evaporative emissions system purge flow sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this evaporative emissions system purge flow sensor is designed to match the fit and function of the original sensor on specified vehicles
  • Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
  • Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Fuel Pump Lock Ring (Part No.579-004)

Fuel Pump Lock Ring

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$14.49
Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock. Made of durable materials for reliable service.

Product Features:
  • Direct replacement – this fuel tank sending unit lock ring is made to match the fit and performance of the original ring on specific vehicle applications
  • Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1064)

Air Charge Temperature Sensor

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$27.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – 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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Holley – Mechanical Fuel Pump (Part No.12-460-13)

Mechanical Fuel Pump

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$221.99
Mechanical fuel pump made from heavy duty construction for continuous high RPM operation. Fuel body casting can be rotated to accommodate various plumbing situations. Fuel pressure regulator is not required.

Product Features:
  • High Output Fuel Flow
  • Flows 130 gph Free Flow
  • Shutoff Pressure Pre-Set From 7.5 To 9 PSI
  • Fuel Pressure Regulator Required
  • Heavy Duty Construction For Continuous High rpm Operation
  • Fuel Body Casting Can Be Rotated For Plumbing Situations
  • Redesigned High Flow Valves Ensure Adequate Fuel Delivery
  • Inlet And Outlet Tapped For 3/8 in. NPT
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Dorman – Fuel Tank Vent Rollover Valve (Part No.911-060)

Fuel Tank Vent Rollover Valve

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$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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Dorman – 5/16 In. Fuel Line Retaining Clips (Part No.800-003)

5/16 In. Fuel Line Retaining Clips

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$6.99
This fuel line clip is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this fuel line clip matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this clip 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 – 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 Premium – Remanufactured Fuel Injector (Part No.A211-1172)

Remanufactured Fuel Injector

from

$48.49
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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Carquest Premium – Secondary Air Injection Pump Check Valve (Part No.CVA1013)

Secondary Air Injection Pump Check Valve

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$69.99
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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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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NTK – Switching Oxygen Sensor: 4 Wire, 14.25" Long, Heated, Direct Fit (Part No.22074)

Switching Oxygen Sensor: 4 Wire, 14.25" Long, Heated, Direct Fit

from

$30.99
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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Dorman – Evaporative Emissions Charcoal Canister (Part No.911-198)

Evaporative Emissions Charcoal Canister

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$91.99
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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Felpro – THROTTLE BODY GASKET SET (Part No.71216)

THROTTLE BODY GASKET SET

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$2.29
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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Dorman – Vapor Canister Purge (Part No.B7098352059DOR)

Vapor Canister Purge

from

$132.65
Vapor Canister Purge

Dorman – Vapor Canister Vent (Part No.B7091682978DOR)

Vapor Canister Vent

from

$122.52
Vapor Canister Vent

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve (Part No.EGC1119)

Exhaust Gas Recirculation (EGR) Valve

from

$49.99
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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Spectra Premium – Hanger Assembly (Part No.SP2098H)

Hanger Assembly

from

$99.99
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 – Exhaust Gas Recirculation (EGR) Valve Control Solenoid (Part No.EGC1053)

Exhaust Gas Recirculation (EGR) Valve Control Solenoid

from

$59.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Dorman – Help – Idle Air Valve Gaskets (Part No.90102)

Idle Air Valve Gaskets

from

$4.79
This fuel injection idle air control valve gasket is designed to match the fit and function of the original gasket on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel injection idle air control valve gasket is designed to match the fit and function of the original gasket on specified vehicles
  • Restores functionality – this gasket is made to fit and fully restore part functionality after the original gasket 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 – Mass Air Flow Sensor Connector (Part No.PTA1213)

Mass Air Flow Sensor Connector

from

$32.99
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

from

$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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Carquest – Fuel Injector Seal Kit (Part No.274838)

Fuel Injector Seal Kit

from

$8.99
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
  • High-quality materials withstand extreme conditions
  • Undergoes extensive testing to ensure reliability
  • As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process
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Mahle – Fuel Injector O-Ring (Part No.C10132590067MAH)

Fuel Injector O-Ring

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$8.61
Fuel Injector O-Ring

Carquest Premium – Fuel Tank Lock Ring (Part No.LO1582930)

Fuel Tank Lock Ring

from

$9.99
Carquest Premium fuel pump tank seals are built by Carter Fuel Systems and Agility Auto Parts, industry leaders in high-quality fuel system components. Carquest Premium offers a complete line of fuel pump tank seals covering a wide variety of North American vehicle applications. Carquest Premium fuel pump tank seals are engineered to meet or exceed all OEM specifications.

Product Features:
  • Engineered to meet or exceed all OEM specifications.
  • Precision stamped and are treated with a rust proof finish to ensure durability and strength
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Carquest Premium – Fuel Pump Hanger Assembly: Fuel Pump and Strainer (Part No.HS2496092)

Fuel Pump Hanger Assembly: Fuel Pump and Strainer

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$161.99
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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Motorcraft – Motorcraft EGR Pressure Sensor (Part No.B7006432829MTR)

Motorcraft EGR Pressure Sensor

from

$65.09
The complete line of Motorcraft sensors and emission components is recommended by Ford Motor Company exclusively for use in Ford and Lincoln vehicles.

Product Features:
  • Helps ensure optimal performance and durability
  • Designed for long service life under harsh conditions in under-hood environment
  • Works with other vehicle emission sensors to deliver optimal fuel efficiency and emissions
  • Adherence to OE specs helps minimize repeat repairs and false Check Engine warnings
  • Design includes OE innovations and upgrades
  • 100 percent coverage of Ford and Lincoln vehicles
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Cardone – Smog Air Pump (Part No.32-620)

Smog Air Pump

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$106.99
CARDONE Remanufactured Smog Pumps are engineered for quick installation and no comebacks. These pumps come with all necessary components for easy installation, while other brands leave out integral components, such as inlets and outlets that commonly break during installation. CARDONE engineers pay special attention to proper vane size and shape on each application to maintain proper flow, while other brands consolidate vane sizes for their own convenience.

Product Features:
  • 100% testing of all units guarantees reliable performance every time
  • High temperature grease extends bearing life, resulting in longer pump life
  • New carbon shoes/vanes on every unit ensure accurate air output to meet today’s stringent emissions standards
  • Guaranteed fit and function
  • Meets or exceeds O.E.M performance
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1991 Mercury Cougar Fuel and Emissions Systems

You count on your 1991 Mercury Cougar 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 121 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 Cougar.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 18 different brands like Carquest Premium, Felpro, and Bosch. 1991 Mercury Cougar 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 2,563 extensive product reviews on 1991 Mercury Cougar Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Oxygen Sensor: 4 Wire, 15.43" Long, Heated, Exact Fit with 4.6 stars and Oxygen Sensor: 4 Wire, 10.63" Long, Heated, Exact Fit with 4.5 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 Cougar below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1991 Mercury Cougar

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 Cougar running right for years to come. In our inventory you’ll find brands like Carquest Premium, Felpro, Bosch, and even more.

Popular Cardone Fuel and Emissions Systems

You’ll find popular Cardone brand products across Smog Parts. All are waiting to get your 1991 Mercury Cougar back on the road. Some of the top-rated Cardone products in these categories are:
Smog Air Pump
from $131.99
(1)
Smog Air Pump
Smog Pumps

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 Cougar, and some of our most reviewed Carquest Premium parts include:

FAQs for 1991 Mercury Cougar Fuel and Emissions Systems

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

Out of 121 Fuel and Emissions Systems for the 1991 Mercury Cougar, 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 Cougar Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 1991 Mercury Cougar based on customer reviews/ratings are:
Oxygen Sensor: 4 Wire, 15.43" Long, Heated, Exact Fit
from $59.99
(129)
Oxygen Sensor: 4 Wire, 15.43" Long, Heated, Exact Fit
“exact fit works fine”
Oxygen Sensor: 4 Wire, 10.63" Long, Heated, Exact Fit
from $49.99
(73)
Oxygen Sensor: 4 Wire, 10.63" Long, Heated, Exact Fit
“Exact fit for my Dodge Dakota;”
EGR/EXHAUST AIR SUPPLY GASKET
from $4.49
(39)
EGR/EXHAUST AIR SUPPLY GASKET
“Great product”