1984 Mercury Cougar Headlights

Keep Your 1984 Mercury Cougar in Top Shape with Quality Headlights

Whether you’re repairing or upgrading your Headlight, using high-quality parts is key to keeping your 1984 Mercury Cougar looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Hi Beam Indicator Bulbs, Headlamp Sockets, and High Beam Headlight Bulbs. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Headlights from Trusted Brands

Looking for a reliable Headlight? We’ve got you covered with options from brands you know and trust like Sylvania, Grote, and Dorman. For example, Sylvania Headlights start at just $7.99 with an average 4.3 star rating. Grote and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 249 reviews and a solid 5 star average, you can shop with confidence knowing other Mercury Cougar owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1984 Mercury Cougar Headlight at Advance Auto Parts is around $69.84, with a range that starts at $7.99 and goes up to $222.99. With 8 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like High Temperature Headlamp Standard Socket, 4" X 6", Clear, Led, Low Beam Headlamp, and Standard Standard Multi-Purpose Light bulb, Box of 1 start at just $14.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Headlight, don’t forget to check out other key components like Exterior Lighting and Signal Flashers. At Advance Auto Parts, we’re here to help you keep your 1984 Mercury Cougar in peak condition, inside and out.

Essential 1984 Mercury Cougar Headlights

Sylvania – 9005 SilverStar: Halogen Headlight Bulb, Brighter Downroad and Whiter Light, 1 Pack (Part No.9005STBP)

9005 SilverStar: Halogen Headlight Bulb, Brighter Downroad and Whiter Light, 1 Pack

from

$28.99
SYLVANIA SilverStar® high performance halogen headlight bulbs provide a balance of improved visibility and bulb life to deliver a brighter and whiter light when compared to SYLVANIA Basic. The combination of downroad, sideroad, and whiter light helps to achieve more clarity during night-time driving. More clarity can improve contrast and object visibility such as street signs and road hazards.

Product Features:
  • BRIGHTER: A specially designed filament and proprietary halogen gas mixture produces a brighter downroad light
  • WHITER LIGHT: Blue ceramic coating technology provides a whiter light for more clarity and improved contrast, making it easier to see objects in the road
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – 9005 SilverStar Ultra: Halogen Headlight Bulb, Brightest Downroad and Whiter Light, 1 Pack (Part No.9005SUBP)

9005 SilverStar Ultra: Halogen Headlight Bulb, Brightest Downroad and Whiter Light, 1 Pack

from

$33.99
Upgrade your low and high beam car headlights for a pair of SYLVANIA SilverStar® ULTRA halogen bulbs. Our brightest halogen headlight provides the most downroad visibility to see all aspects of the road better. The patented tri-band blue coating produces a whiter light compared to SYLVANIA Basic for improved contrast and clarity. SYLVANIA’s ultra-performance headlight bulbs allow you to see farther for a better night-time driving experience.

Product Features:
  • BRIGHTEST HEADLIGHT: Superior coil design and proprietary halogen gas mixture produces the brightest downroad halogen headlight from SYLVANIA
  • WHITER LIGHT: Cobalt blue and tri-band coating provides a whiter light with even more downroad coverage to help distinguish objects in the road
  • ULTRA NIGHT VISION: The combination of farther downroad, whiter light and more sideroad visibility – allowing you to see farther
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • COMPLIANT: All SYLVANIA bulbs meet DOT and SAE regulations, making them safe for on-road use and eliminate dangerous glare when installed properly
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – 9007 XtraVision: Halogen Headlight Bulb, More Downroad Visibility, 2 Pack (Part No.9007XVBP2)

9007 XtraVision: Halogen Headlight Bulb, More Downroad Visibility, 2 Pack

from

$41.99
SYLVANIA XtraVision® halogen headlight bulbs provide brighter light on the roadway to improve your visibility without impacting oncoming drivers, when compared to SYLVANIA Basic bulbs.

Product Features:
  • DEPENDABLE: Designed and manufactured to improve your driving experience without compromising bulb life
  • MORE DOWNROAD VISIBILITY: XtraVision bulbs deliver more downroad light for improved visibility when compared to SYLVANIA Basic
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Grote – 4" X 6", Clear, Led, Low Beam Headlamp (Part No.94421-5)

4" X 6", Clear, Led, Low Beam Headlamp

from

$222.99
Visual fatigue is reduced by allowing a clearer view in all driving conditions and decreasing chances for accidents

Product Features:
  • Headlight uses a hard coated, UV protected, high impact resistant polycarbonate lens that resists cracking and yellowing
  • Improve the driving experience for drivers by decreasing eye fatigue and providing better detail, thus decreasing chances for accidents
  • Includes adapter for non-standard wiring applications
See More

Sylvania – H6024 LED: Sealed Beam Headlight, Long-Lasting Brighter and Whiter Light, 1 Pack (Part No.H6024SL.BX)

H6024 LED: Sealed Beam Headlight, Long-Lasting Brighter and Whiter Light, 1 Pack

from

$153.99
The SYLVANIA LED 7-inch Round Sealed Beam Headlight is a true plug and play replacement lamp; just remove your older sealed beam headlight and pop in the new LED sealed beam lamp. Sealed Beam LED headlight bulbs deliver enhanced clarity and contrast to see what obstacles lie on-road and off road with its broad beam pattern and reach. Engineered to provide a superior 6000K white light, as well as, style and durability, the SYLVANIA LED Sealed Beam Headlight Bulbs will be sure to turn heads.

Product Features:
  • SUPERIOR ILLUMINATION: 6000K cool-white light provides better clarity to see what obstacles lie ahead
  • HIGH PERFORMANCE: Water resistant IP67 rated OSRAM OEM grade LEDs outlast traditional halogen lighting
  • EASY DIY INSTALLATION: A direct replacement for existing H6024, H6014, & H6015 sealed beam headlights
  • SMART MAINTENANCE: Always replace bulbs in pairs to ensure equal brightness and color
  • SAFETY: Meets DOT regulations & SAE standards. Legal for on-road use with no dangerous glare when installed properly
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – 9004 SilverStar: Halogen Headlight Bulb, Brighter Downroad and Whiter Light, 1 Pack (Part No.9004STBP)

9004 SilverStar: Halogen Headlight Bulb, Brighter Downroad and Whiter Light, 1 Pack

from

$28.49
SYLVANIA SilverStar® high performance halogen headlight bulbs provide a balance of improved visibility and bulb life to deliver a brighter and whiter light when compared to SYLVANIA Basic. The combination of downroad, sideroad, and whiter light helps to achieve more clarity during night-time driving. More clarity can improve contrast and object visibility such as street signs and road hazards while driving. SYLVANIA headlight bulbs are designed with safety in mind to prevent glare when installed properly by focusing light where you need it on the road.

Product Features:
  • BRIGHTER: A specially designed filament and proprietary halogen gas mixture produces a brighter downroad light
  • WHITER LIGHT: Blue ceramic coating technology provides a whiter light for more clarity and improved contrast, making it easier to see objects in the road
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – 9007 SilverStar: Halogen Headlight Bulb, Brighter Downroad and Whiter Light, 1 Pack (Part No.9007STBP)

9007 SilverStar: Halogen Headlight Bulb, Brighter Downroad and Whiter Light, 1 Pack

from

$28.99
SYLVANIA SilverStar® high performance halogen headlight bulbs provide a balance of improved visibility and bulb life to deliver a brighter and whiter light when compared to SYLVANIA Basic. The combination of downroad, sideroad, and whiter light helps to achieve more clarity during night-time driving. More clarity can improve contrast and object visibility such as street signs and road hazards.

Product Features:
  • BRIGHTER: A specially designed filament and proprietary halogen gas mixture produces a brighter downroad light
  • WHITER LIGHT: Blue ceramic coating technology provides a whiter light for more clarity and improved contrast, making it easier to see objects in the road
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Dorman – High Temperature Headlamp Standard Socket (Part No.84790)

High Temperature Headlamp Standard Socket

from

$18.49
This replacement headlight socket matches the fit and terminal count of the original equipment socket for specified vehicles. Made of quality materials with corrosion-resistant contacts, this socket is designed for reliable service.

Product Features:
  • Ideal replacement – this headlight socket matches the fit and terminal count of the original equipment socket
  • Durable construction – made of quality materials with corrosion-resistant electrical contacts
  • Cost-effective solution – replaces only the damaged socket by splicing into existing vehicle wiring
  • Quality tested – this part has undergone testing to ensure a quality fit and long service life
See More

Dorman – High Temperature Lighting Harness (Part No.645-998)

High Temperature Lighting Harness

from

$21.29
Dorman offers a comprehensive line of Headlamp Sockets for almost any automotive electrical repair. All our Headlamp Sockets are constructed of high-quality materials for long-lasting durability.

Product Features:
  • Available in many different wire configurations including 1-, 2-, and 3-wire
  • A large selection available to support a variety of bulbs, including H7, 9005, 9006 and more
  • Durably designed for a long service life
  • Also suitable for a broad range of industrial and commercial uses
See More

Dorman – Electrical Sockets – 2-Wire Halogen Low Beam Headlight 9006 Bulb (Part No.85813)

Electrical Sockets - 2-Wire Halogen Low Beam Headlight 9006 Bulb

from

$8.99
This replacement headlight socket matches the fit and terminal count of the original equipment socket for specified vehicles. Made of quality materials with corrosion-resistant contacts, this socket is designed for reliable service.

Product Features:
  • Ideal replacement – this headlight socket matches the fit and terminal count of the original equipment socket
  • Durable construction – made of quality materials with corrosion-resistant electrical contacts
  • Cost-effective solution – replaces only the damaged socket by splicing into existing vehicle wiring
  • Quality tested – this part has undergone testing to ensure a quality fit and long service life
See More

Dorman – Electrical Sockets – 2-Wire Halogen High Beam Headlight 9005 Bulb (Part No.85812)

Electrical Sockets - 2-Wire Halogen High Beam Headlight 9005 Bulb

from

$8.99
This replacement headlight socket matches the fit and terminal count of the original equipment socket for specified vehicles. Made of quality materials with corrosion-resistant contacts, this socket is designed for reliable service.

Product Features:
  • Ideal replacement – this headlight socket matches the fit and terminal count of the original equipment socket
  • Durable construction – made of quality materials with corrosion-resistant electrical contacts
  • Cost-effective solution – replaces only the damaged socket by splicing into existing vehicle wiring
  • Quality tested – this part has undergone testing to ensure a quality fit and long service life
See More

Dorman – Light Bulb Socket (Part No.85811)

Light Bulb Socket

from

$8.99
This replacement headlight socket matches the fit and terminal count of the original equipment socket for specified vehicles. Made of quality materials with corrosion-resistant contacts, this socket is designed for reliable service.

Product Features:
  • Ideal replacement – this headlight socket matches the fit and terminal count of the original equipment socket
  • Durable construction – made of quality materials with corrosion-resistant electrical contacts
  • Cost-effective solution – replaces only the damaged socket by splicing into existing vehicle wiring
  • Quality tested – this part has undergone testing to ensure a quality fit and long service life
See More

Dorman – High Temperature Socket 9005 Bulb (Part No.84792)

High Temperature Socket 9005 Bulb

from

$17.99
This replacement headlight socket matches the fit and terminal count of the original equipment socket for specified vehicles. Made of quality materials with corrosion-resistant contacts, this socket is designed for reliable service.

Product Features:
  • Ideal replacement – this headlight socket matches the fit and terminal count of the original equipment socket
  • Durable construction – made of quality materials with corrosion-resistant electrical contacts
  • Cost-effective solution – replaces only the damaged socket by splicing into existing vehicle wiring
  • Quality tested – this part has undergone testing to ensure a quality fit and long service life
See More

Dorman – High Temperature Socket 9006 Bulb (Part No.84793)

High Temperature Socket 9006 Bulb

from

$18.49
This replacement headlight socket matches the fit and terminal count of the original equipment socket for specified vehicles. Made of quality materials with corrosion-resistant contacts, this socket is designed for reliable service.

Product Features:
  • Ideal replacement – this headlight socket matches the fit and terminal count of the original equipment socket
  • Durable construction – made of quality materials with corrosion-resistant electrical contacts
  • Cost-effective solution – replaces only the damaged socket by splicing into existing vehicle wiring
  • Quality tested – this part has undergone testing to ensure a quality fit and long service life
See More

Sylvania – 161 Long Life: Mini Bulb, Standard Performance, 2 Pack (Part No.161LLBP2)

161 Long Life: Mini Bulb, Standard Performance, 2 Pack

from

$7.99
SYLVANIA Long Life miniature bulbs provide standard performance for your car or truck’s interior and exterior auxiliary lighting. Ideal for use in your car’s back up/reverse, trunk, dome lights and more, Long Life bulbs are a direct replacement for your vehicle. Designed for durability, lower maintenance, and safety in mind.

Product Features:
  • DEPENDABLE: Made from high quality materials for long-lasting durability
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: High-quality SYLVANIA bulbs are designed to perform to all relevant safety standards set for the lighting application
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – 9006 SilverStar Ultra: Halogen Headlight Bulb, Brightest Downroad and Whiter Light, 2 Pack (Part No.9006SUBP2)

9006 SilverStar Ultra: Halogen Headlight Bulb, Brightest Downroad and Whiter Light, 2 Pack

from

$59.99
Upgrade your low and high beam car headlights for a pair of SYLVANIA SilverStar® ULTRA halogen bulbs. Our brightest halogen headlight provides the most downroad visibility to see all aspects of the road better. The patented tri-band blue coating produces a whiter light compared to SYLVANIA Basic for improved contrast and clarity. SYLVANIA’s ultra-performance headlight bulbs allow you to see farther for a better night-time driving experience.

Product Features:
  • BRIGHTEST HEADLIGHT: Superior coil design and proprietary halogen gas mixture produces the brightest downroad halogen headlight from SYLVANIA
  • WHITER LIGHT: Cobalt blue and tri-band coating provides a whiter light with even more downroad coverage to help distinguish objects in the road
  • ULTRA NIGHT VISION: The combination of farther downroad, whiter light and more sideroad visibility – allowing you to see farther
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • COMPLIANT: All SYLVANIA bulbs meet DOT and SAE regulations, making them safe for on-road use and eliminate dangerous glare when installed properly
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – 9005 LED Powersports Headlight or Fog Bulb, 6000K Cool White Light, 2 Pack (Part No.9005SL.BX2)

9005 LED Powersports Headlight or Fog Bulb, 6000K Cool White Light, 2 Pack

from

$99.99
SYLVANIA LED Fog and Powersport LED bulbs let you update your vehicle’s lights with the clarity and performance that LED lighting technology brings! Legal for on road use as a fog light replacement in your car or truck, SYLVANIA LEDs cut through foggy conditions on the road ahead. Available as an off-road upgrade to your powersport headlights, LED headlight bulbs deliver enhanced clarity and contrast to see what obstacles lie on tough terrain and trails. Engineered to provide a superior 6000K white light, as well as style and durability, the SYLVANIA LED Fog and Powersports bulbs will be sure to turn heads. These direct LED replacement bulbs are made with high performance materials ensuring their durability and performance.

Product Features:
  • SUPERIOR ILLUMINATION: 6000K cool-white light provides better clarity to see what obstacles lie ahead
  • RELIABLE: Built with aviation grade aluminum and turbo-cooled to maximize life, LED design withstands temperature and shock for optimal performance
  • EASY DIY INSTALLATION: A direct replacement for fog bulbs in cars and trucks or headlight bulbs for off-road powersports. No polarity, compact design
  • LONG LASTING DESIGN: Backed by a limited warranty, the rugged design is built to outlast halogen fog bulbs
  • SMART MAINTENANCE: Always replace bulbs in pairs to ensure equal brightness and color
  • SAFETY: High-quality SYLVANIA bulbs are designed to perform to all relevant safety standards set for the lighting application
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – 9006 Basic: Halogen Headlight Bulb, Basic Performance, 1 Pack (Part No.9006BP)

9006 Basic: Halogen Headlight Bulb, Basic Performance, 1 Pack

from

$19.99
SYLVANIA Basic halogen headlight bulbs are designed to meet DOT regulations for performance and life.

Product Features:
  • DEPENDABLE: Made from high quality materials for long-lasting durability to improve your driving situation
  • OE QUALITY: Designed to match the basic performance of your vehicle’s original bulb
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – 9004 XtraVision: Halogen Headlight Bulb, More Downroad Visibility, 2 Pack (Part No.9004XVBP2)

9004 XtraVision: Halogen Headlight Bulb, More Downroad Visibility, 2 Pack

from

$41.99
SYLVANIA XtraVision® halogen headlight bulbs provide brighter light on the roadway to improve your visibility without impacting oncoming drivers, when compared to SYLVANIA Basic bulbs.

Product Features:
  • DEPENDABLE: Designed and manufactured to improve your driving experience without compromising bulb life
  • MORE DOWNROAD VISIBILITY: XtraVision bulbs deliver more downroad light for improved visibility when compared to SYLVANIA Basic
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – 9006 SilverStar zXe: Halogen Headlight Bulb, White Light, 2 Pack (Part No.9006SZ/2)

9006 SilverStar zXe: Halogen Headlight Bulb, White Light, 2 Pack

from

$65.99
SYLVANIA SilverStar zXe® headlight light bulbs offer the perfect balance of performance and safety with the style and attitude that come with a whiter light. Transform the look of your vehicle with a crisp, white light that is sure to impress.

Product Features:
  • WHITER LIGHT: Proprietary Xenon halogen gas technology paired with a cobalt blue coating deliver a crisp, white light for added style
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Driveworks – HEADLGHT-HALOGEN 1 EA (Part No.9005)

HEADLGHT-HALOGEN 1 EA

from

$9.99
The basic halogen headlight designed to meet DOT regulations for performance and life.

Product Features:
  • Made from high quality material for long lasting durability
  • Easy installation as a direct replacement bulb
  • Manufactured by trusted OEM light source supplier
  • Legal for on road use
  • Lights dim over time, replace in pairs for optimal performance
See More

Wagner Lighting – Standard Multi-Purpose Light Bulb Box of 1 (Part No.H5001)

Standard Multi-Purpose Light Bulb Box of 1

from

$14.99
Designed to offer OE fit, form and function, Wagner Standard sealed beams deliver long-lasting durability and functionality. A non-reflective bottom shelf inhibits glare in fog, rain and snow.

Product Features:
  • OE FIT, FORM, & FUNCTION – Direct replacement bulb delivers standard OE light projection
  • OE FIT, FORM, & FUNCTION – Direct replacement bulb delivers standard OE lightáprojection
  • HIGH QUALITY – Extra strong filament withstands vibration and coated terminals inhibits corrosion.
  • FOR CHALLENGING CONDITIONS – Non-reflective bottom shelf reduces glare in rain, snow and fog.
  • DOT COMPLIANT – Department of Transportation (DOT) compliant and meets or exceeds Society of Automotive Engineers (SAE) standards
  • DOT COMPLIANT – Department of Transportation (DOT) compliant and meets oráexceeds Society of Automotive Engineers (SAE) standards
  • REPLACE IN PAIRS – For optimal performance and visibility on the road, replace headlights in pairs.
  • IN-DEMAND COVERAGE – Available for many of the most popular applications on the road.
See More

Sylvania – H3 SilverStar: Halogen Headlight Bulb, Brighter Downroad and Whiter Light, 1 Pack (Part No.H3STBP)

H3 SilverStar: Halogen Headlight Bulb, Brighter Downroad and Whiter Light, 1 Pack

from

$26.99
SYLVANIA SilverStar® high performance halogen headlight bulbs provide a balance of improved visibility and bulb life to deliver a brighter and whiter light when compared to SYLVANIA Basic. The combination of downroad, sideroad, and whiter light helps to achieve more clarity during night-time driving. More clarity can improve contrast and object visibility such as street signs and road hazards while driving. SYLVANIA headlight bulbs are designed with safety in mind to prevent glare when installed properly by focusing light where you need it on the road.

Product Features:
  • BRIGHTER: A specially designed filament and proprietary halogen gas mixture produces a brighter downroad light
  • WHITER LIGHT: Blue ceramic coating technology provides a whiter light for more clarity and improved contrast, making it easier to see objects in the road
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Grote – 4" X 6", Clear, Led, High Beam Headlamp (Part No.94411-5)

4" X 6", Clear, Led, High Beam Headlamp

from

$222.99
2 pin H4 connector

Product Features:
  • Headlight uses a hard coated, UV protected, high impact resistant polycarbonate lens that resists cracking and yellowing
  • Improve the driving experience for drivers by decreasing eye fatigue and providing better detail, thus decreasing chances for accidents
  • Compatible with 12V and 24V electrical systems
See More

Sylvania – 9005 XtraVision: Halogen Headlight Bulb, More Downroad Visibility, 2 Pack (Part No.9005XVBP2)

9005 XtraVision: Halogen Headlight Bulb, More Downroad Visibility, 2 Pack

from

$41.99
SYLVANIA XtraVision® halogen headlight bulbs provide brighter light on the roadway to improve your visibility without impacting oncoming drivers, when compared to SYLVANIA Basic bulbs.

Product Features:
  • DEPENDABLE: Designed and manufactured to improve your driving experience without compromising bulb life
  • MORE DOWNROAD VISIBILITY: XtraVision bulbs deliver more downroad light for improved visibility when compared to SYLVANIA Basic
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – 9005 XtraVision: Halogen Headlight Bulb, More Downroad Visibility, 1 Pack (Part No.9005XVBP)

9005 XtraVision: Halogen Headlight Bulb, More Downroad Visibility, 1 Pack

from

$23.99
SYLVANIA XtraVision® halogen headlight bulbs provide brighter light on the roadway to improve your visibility without impacting oncoming drivers, when compared to SYLVANIA Basic bulbs.

Product Features:
  • DEPENDABLE: Designed and manufactured to improve your driving experience without compromising bulb life
  • MORE DOWNROAD VISIBILITY: XtraVision bulbs deliver more downroad light for improved visibility when compared to SYLVANIA Basic
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – H5001 XtraVision: Sealed Beam Headlight, Brighter Light, 1 Pack (Part No.H5001XVBX)

H5001 XtraVision: Sealed Beam Headlight, Brighter Light, 1 Pack

from

$24.99
SYLVANIA XtraVision® sealed beam headlight bulbs provide brighter light on the roadway to improve your visibility without impacting oncoming drivers, when compared to SYLVANIA Basic bulbs.

Product Features:
  • DEPENDABLE: Designed and manufactured to improve your driving experience without compromising bulb life
  • MORE DOWNROAD VISIBILITY: XtraVision bulbs deliver more downroad light for improved visibility when compared to SYLVANIA Basic
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Wagner Lighting – Standard Standard Multi-Purpose Light bulb, Box of 1 (Part No.H4651)

Standard Standard Multi-Purpose Light bulb, Box of 1

from

$14.99
Wagner® halogen sealed beams are the original sealed beam that delivers a brighter, whiter light and longer life than incandescent lighting. You’ll appreciate the non-reflective bottom shelf that inhibits glare in fog, rain and snow.

Product Features:
  • SHINES BRIGHT — Delivers a brighter, whiter light and longer life than incandescent lighting
  • HIGH QUALITY — Extra strong filament withstands vibration and coated terminals inhibits corrosion
  • FOR CHALLENGING CONDITIONS — Non-reflective bottom shelf reduces glare in rain, snow and fog
  • DOT/SAE COMPLIANT — Wagner lighting products are Department of Transportation (DOT) compliant and meet or exceed Society of Automotive Engineers (SAE) standards
  • COMPREHENSIVE COVERAGE — Available for passenger car and light truck, commercial and off-highway, agriculture, industrial and powersport applications
See More

Most Popular Hi Beam Indicator Bulb for 1984 Mercury Cougars

Enhance your 1984 Mercury Cougar with this popular Hi Beam Indicator Bulb we have in stock, for $7.99.

Sylvania – 161 Long Life: Mini Bulb, Standard Performance, 2 Pack (Part No.161LLBP2)

161 Long Life: Mini Bulb, Standard Performance, 2 Pack

from

$7.99
SYLVANIA Long Life miniature bulbs provide standard performance for your car or truck’s interior and exterior auxiliary lighting. Ideal for use in your car’s back up/reverse, trunk, dome lights and more, Long Life bulbs are a direct replacement for your vehicle. Designed for durability, lower maintenance, and safety in mind.

Product Features:
  • DEPENDABLE: Made from high quality materials for long-lasting durability
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: High-quality SYLVANIA bulbs are designed to perform to all relevant safety standards set for the lighting application
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Best-Selling 1984 Mercury Cougar Headlamp Sockets

Upgrade your Cougar with one of our 2 best-selling Headlamp Sockets, earning an average 4.5 stars rating across 21 reviews.

Dorman – High Temperature Headlamp Standard Socket (Part No.84790)

High Temperature Headlamp Standard Socket

from

$18.49
This replacement headlight socket matches the fit and terminal count of the original equipment socket for specified vehicles. Made of quality materials with corrosion-resistant contacts, this socket is designed for reliable service.

Product Features:
  • Ideal replacement – this headlight socket matches the fit and terminal count of the original equipment socket
  • Durable construction – made of quality materials with corrosion-resistant electrical contacts
  • Cost-effective solution – replaces only the damaged socket by splicing into existing vehicle wiring
  • Quality tested – this part has undergone testing to ensure a quality fit and long service life
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Dorman – High Temperature Lighting Harness (Part No.645-998)

High Temperature Lighting Harness

from

$21.29
Dorman offers a comprehensive line of Headlamp Sockets for almost any automotive electrical repair. All our Headlamp Sockets are constructed of high-quality materials for long-lasting durability.

Product Features:
  • Available in many different wire configurations including 1-, 2-, and 3-wire
  • A large selection available to support a variety of bulbs, including H7, 9005, 9006 and more
  • Durably designed for a long service life
  • Also suitable for a broad range of industrial and commercial uses
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Top-Quality High Beam Headlight Bulbs for 1984 Mercury Cougars

Choose a high-quality OEM or aftermarket High Beam Headlight Bulb for Mercury Cougars and enjoy top-notch performance from $14.99.

Sylvania – H4656 XtraVision: Sealed Beam Headlight, Brighter Light, 1 Pack (Part No.H4656XVBX)

H4656 XtraVision: Sealed Beam Headlight, Brighter Light, 1 Pack

from

$24.99
SYLVANIA XtraVision® sealed beam headlight bulbs provide brighter light on the roadway to improve your visibility without impacting oncoming drivers, when compared to SYLVANIA Basic bulbs.

Product Features:
  • DEPENDABLE: Designed and manufactured to improve your driving experience without compromising bulb life
  • MORE DOWNROAD VISIBILITY: XtraVision bulbs deliver more downroad light for improved visibility when compared to SYLVANIA Basic
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Sylvania – H4651 XtraVision: Sealed Beam Headlight, Brighter Light, 1 Pack (Part No.H4651XVBX)

H4651 XtraVision: Sealed Beam Headlight, Brighter Light, 1 Pack

from

$24.99
SYLVANIA XtraVision® sealed beam headlight bulbs provide brighter light on the roadway to improve your visibility without impacting oncoming drivers, when compared to SYLVANIA Basic bulbs.

Product Features:
  • DEPENDABLE: Designed and manufactured to improve your driving experience without compromising bulb life
  • MORE DOWNROAD VISIBILITY: XtraVision bulbs deliver more downroad light for improved visibility when compared to SYLVANIA Basic
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Headlights dim over time, always replace bulbs in pairs to ensure equal brightness and color
  • PRO TIP: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install
  • SAFETY: Compliant with DOT regulations and SAE standards, SYLVANIA headlight bulbs are designed with safety in mind to prevent glare
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Grote – 4" X 6", Clear, Led, High Beam Headlamp (Part No.94411-5)

4" X 6", Clear, Led, High Beam Headlamp

from

$222.99
2 pin H4 connector

Product Features:
  • Headlight uses a hard coated, UV protected, high impact resistant polycarbonate lens that resists cracking and yellowing
  • Improve the driving experience for drivers by decreasing eye fatigue and providing better detail, thus decreasing chances for accidents
  • Compatible with 12V and 24V electrical systems
See More

Wagner Lighting – Standard Standard Multi-Purpose Light bulb, Box of 1 (Part No.H4651)

Standard Standard Multi-Purpose Light bulb, Box of 1

from

$14.99
Wagner® halogen sealed beams are the original sealed beam that delivers a brighter, whiter light and longer life than incandescent lighting. You’ll appreciate the non-reflective bottom shelf that inhibits glare in fog, rain and snow.

Product Features:
  • SHINES BRIGHT — Delivers a brighter, whiter light and longer life than incandescent lighting
  • HIGH QUALITY — Extra strong filament withstands vibration and coated terminals inhibits corrosion
  • FOR CHALLENGING CONDITIONS — Non-reflective bottom shelf reduces glare in rain, snow and fog
  • DOT/SAE COMPLIANT — Wagner lighting products are Department of Transportation (DOT) compliant and meet or exceed Society of Automotive Engineers (SAE) standards
  • COMPREHENSIVE COVERAGE — Available for passenger car and light truck, commercial and off-highway, agriculture, industrial and powersport applications
See More

Our Top Pick for a 1984 Mercury Cougar Dual Beam Headlight Bulb

Invest in a durable Dual Beam Headlight Bulb for your 1984 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

Grote – 4" X 6", Clear, Led, Low Beam Headlamp (Part No.94421-5)

4" X 6", Clear, Led, Low Beam Headlamp

from

$222.99
Visual fatigue is reduced by allowing a clearer view in all driving conditions and decreasing chances for accidents

Product Features:
  • Headlight uses a hard coated, UV protected, high impact resistant polycarbonate lens that resists cracking and yellowing
  • Improve the driving experience for drivers by decreasing eye fatigue and providing better detail, thus decreasing chances for accidents
  • Includes adapter for non-standard wiring applications
See More

Top-Rated Headlight Brands For Your 1984 Mercury Cougar

When it comes to finding the perfect Headlight for your 1984 Mercury Cougar, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Headlight brands including Sylvania, Grote, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $7.99. Purchasing a Headlight from us here at Advance Auto Parts is a smart move for both you and your 1984 Mercury Cougar, providing peace of mind with parts that meet or exceed OEM standards.

Popular Sylvania 1984 Mercury Cougar Headlights

If you’re looking for a top-quality Headlight for your 1984 Mercury Cougar, Advance Auto Parts has exactly what you need with our selection of Sylvania Headlights. We have 3 Sylvania Headlights in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99 and an average cost of $19.32, you’ll find the perfect Headlight for your needs and budget. Sylvania Headlights for the 1984 Mercury Cougar come highly rated, with over 61 customer reviews and an impressive average rating of 4.3 stars. Choosing a Sylvania Headlight from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
H4651 XtraVision: Sealed Beam Headlight, Brighter Light, 1 Pack
from $24.99
(11)
H4651 XtraVision: Sealed Beam Headlight, Brighter Light, 1 Pack
“My package arrived as stated and wrapped so as to avoid damage. The items were purchased to serve as spares, so I don’t know if they work, but I can s”
H4656 XtraVision: Sealed Beam Headlight, Brighter Light, 1 Pack
from $24.99
(21)
H4656 XtraVision: Sealed Beam Headlight, Brighter Light, 1 Pack
“GREAT PRODUCT FAST CURBSIDE DELIVERY”
161 Long Life: Mini Bulb, Standard Performance, 2 Pack
from $7.99
(29)
161 Long Life: Mini Bulb, Standard Performance, 2 Pack
“My license plate isn’t dark anymore”

Top-Quality Grote 1984 Mercury Cougar Headlights

For those in search of a high-quality Headlight for their 1984 Mercury Cougar, Advance Auto Parts offers a great selection of Grote Headlights. With 1 Grote Headlights in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Headlights start at just $222.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.3 stars, Grote Headlights provide both reliability and excellent performance. Choosing a Grote Headlight from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
4" X 6", Clear, Led, High Beam Headlamp
from $222.99
(1)
4" X 6", Clear, Led, High Beam Headlamp
“Light made from good material and fits perfectly on my 1995 FLD truck just plug and play set up”

FAQs for 1984 Mercury Cougar Headlights

What are the best-selling Headlights for 1984 Mercury Cougars?

Out of 8 Headlights that fit 1984 Mercury Cougars, the following parts are the top sellers:

What’s the price range for 1984 Mercury Cougar Headlights?

The prices of Headlights for the 1984 Mercury Cougar range from $7.99 up to $222.99 for the most premium parts.

What is the average price of a Headlight for a 1984 Mercury Cougar?

The average price for Headlights for the 1984 Mercury Cougar is $69.84. Keep in mind the variety of part types within our Headlight category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Headlights for other Mercury Cougar model years?

Yes, we carry Headlights for 33 model years of Mercury Cougars between 1967 and 2002. The following model years are the most popular for Headlight purchases: 2002, 2001, 2000, 1999, 1997, 1996, 1995, 1994, and 1993.

What are the cheapest Headlights for my 1984 Mercury Cougar?

The cheapest 1984 Mercury Cougar Headlights we carry are:

Does Advance Auto Parts sell Headlights for any other 1984 Mercury models?

Yes. We stock Headlights for 4 other popular 1984 Mercury models. Some of the most popular are 1984 Grand Marquis Headlights, 1984 Capri Headlights, 1984 Marquis Headlights, 1984 Topaz Headlights, and 1984 Lynx Headlights.

What are the top-rated Headlights that fit the 1984 Mercury Cougar?

Based on 249 reviews by customers, our 1984 Mercury Cougar Headlights have an average customer rating of 5 stars. These are the highest-rated categories of Headlights for the 1984 Mercury Cougar and their top-rated products:

What types of Headlights do you sell for my 1984 Mercury Cougar?

As of 11/2/25, these are some of the most in-demand types of Headlights for a 1984 Mercury Cougar:

Can I get help with 1984 Mercury Cougar Headlight orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Headlights and more.

What is your return policy for Mercury Cougar Headlights?

Advance Auto Parts keeps returns simple. For new Mercury Cougar Headlights and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.