Emission Components for 1991 Mercury Cougar
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Console
- Cowl
- Door & Components
- Doors
- Exterior Trim - Door
- Exterior Trim - Fender
- Exterior Trim - Quarter Panel
- Exterior Trim - Roof
- Fender & Components
- Floor
- Front Door
- Front Seat Components
- Glass - Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Grille & Components
- Hinge Pillar
- Hood
- Hood & Components
- Inner Structure
- Instrument Panel
- Interior Trim - Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Roof
- Lid & Components
- Lock & Hardware
- Outside Mirrors
- Quarter Panel & Components
- Rear Body
- Rear Floor & Rails
- Reveal Moldings
- Rocker
- Roof & Components
- Sound System
- Structural Components & Rails
- Sunroof
- Tracks & Components
- Trunk
- Wiper & Washer Components
- ABS Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Battery
- Battery & Related Components
- Bulbs - Chassis
- Control Modules
- Corner Lamps
- Cruise Control System
- Distributor
- Door
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Fog Lamps
- Front Door
- Front Seat Belts
- Gauges
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Park Lamps
- Powertrain Control
- Rear Reflector
- Rear Seat Belts
- Senders
- Sensors
- Starter
- Starter & Related Components
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Window Defroster
- Wipers
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Heater
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Console
- Cowl
- Door & Components
- Doors
- Exterior Trim - Door
- Exterior Trim - Fender
- Exterior Trim - Quarter Panel
- Exterior Trim - Roof
- Fender & Components
- Floor
- Front Door
- Front Seat Components
- Glass - Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Grille & Components
- Hinge Pillar
- Hood
- Hood & Components
- Inner Structure
- Instrument Panel
- Interior Trim - Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Roof
- Lid & Components
- Lock & Hardware
- Outside Mirrors
- Quarter Panel & Components
- Rear Body
- Rear Floor & Rails
- Reveal Moldings
- Rocker
- Roof & Components
- Sound System
- Structural Components & Rails
- Sunroof
- Tracks & Components
- Trunk
- Wiper & Washer Components
- ABS Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Battery
- Battery & Related Components
- Bulbs - Chassis
- Control Modules
- Corner Lamps
- Cruise Control System
- Distributor
- Door
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Fog Lamps
- Front Door
- Front Seat Belts
- Gauges
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Park Lamps
- Powertrain Control
- Rear Reflector
- Rear Seat Belts
- Senders
- Sensors
- Starter
- Starter & Related Components
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Window Defroster
- Wipers
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Heater
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
Browse Categories
Select category
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Console
- Cowl
- Door & Components
- Doors
- Exterior Trim - Door
- Exterior Trim - Fender
- Exterior Trim - Quarter Panel
- Exterior Trim - Roof
- Fender & Components
- Floor
- Front Door
- Front Seat Components
- Glass - Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Grille & Components
- Hinge Pillar
- Hood
- Hood & Components
- Inner Structure
- Instrument Panel
- Interior Trim - Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Roof
- Lid & Components
- Lock & Hardware
- Outside Mirrors
- Quarter Panel & Components
- Rear Body
- Rear Floor & Rails
- Reveal Moldings
- Rocker
- Roof & Components
- Sound System
- Structural Components & Rails
- Sunroof
- Tracks & Components
- Trunk
- Wiper & Washer Components
- ABS Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Battery
- Battery & Related Components
- Bulbs - Chassis
- Control Modules
- Corner Lamps
- Cruise Control System
- Distributor
- Door
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Fog Lamps
- Front Door
- Front Seat Belts
- Gauges
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Park Lamps
- Powertrain Control
- Rear Reflector
- Rear Seat Belts
- Senders
- Sensors
- Starter
- Starter & Related Components
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Window Defroster
- Wipers
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Heater
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Console
- Cowl
- Door & Components
- Doors
- Exterior Trim - Door
- Exterior Trim - Fender
- Exterior Trim - Quarter Panel
- Exterior Trim - Roof
- Fender & Components
- Floor
- Front Door
- Front Seat Components
- Glass - Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Grille & Components
- Hinge Pillar
- Hood
- Hood & Components
- Inner Structure
- Instrument Panel
- Interior Trim - Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Roof
- Lid & Components
- Lock & Hardware
- Outside Mirrors
- Quarter Panel & Components
- Rear Body
- Rear Floor & Rails
- Reveal Moldings
- Rocker
- Roof & Components
- Sound System
- Structural Components & Rails
- Sunroof
- Tracks & Components
- Trunk
- Wiper & Washer Components
- ABS Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Battery
- Battery & Related Components
- Bulbs - Chassis
- Control Modules
- Corner Lamps
- Cruise Control System
- Distributor
- Door
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Fog Lamps
- Front Door
- Front Seat Belts
- Gauges
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Park Lamps
- Powertrain Control
- Rear Reflector
- Rear Seat Belts
- Senders
- Sensors
- Starter
- Starter & Related Components
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Window Defroster
- Wipers
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Heater
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
Emission Components for 1991 Mercury Cougar
Related Parts
Part # / Description / Price
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Ford Notes: PARTS: Order by application.
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OEM Ford Oxygen Sensor Ford
Ford Description: Ford Part # 5W6Z-9G444-AA is an Oxygen Sensor that was used on many different Ford Vehicles. These Ford vehicles include: Freestar, Fusion, GT, Thunderbird, Mustang. As well as the Lincoln Zephyr, MKZ, and LS. All of our Ford Parts come with a Two Year Unlimited Mile Warranty.
MSRP $94.73
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MSRP $94.73
$70.34
