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When a headlight fails or becomes cloudy, replacing the assembly matters for both visibility and safety. You want parts that align with factory mounting points, deliver consistent light output, and hold up to road conditions. This guide covers the top shortlisted Buick Regal headlight assembly options, chosen for real-world fitment and performance factors. We evaluated build quality, beam pattern and brightness, and ease of installation to help you find a reliable replacement. Read on for the factors that mattered and quick notes before the product list.
Looking for other parts? See all Buick Regal parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | PIT66 Left Headlight Assembly with LED DRL & Turn Signal for Buick Regal 2014–2017 |  |
| Best Quality Built to a higher standard if you want something more solid | Garage-Pro Headlight Assembly for 2011-2013 Buick Regal Driver Side with Bulb |  |
| Best Budget The cheapest option that still gets the job done reliably | YIYIBYUS Front Right Headlight Assembly for Buick Regal (2009–2012) |  |
| Most Sold A high-volume bestseller chosen again and again | CarLights360 Buick Regal Passenger Side Headlight Assembly (fits 2011–2013) |  |
| Best Value for Money The sweet spot between price and what you get | GRAND ORANGE Right Halogen Headlight Assembly with LED DRL & Turn Signal for Buick Regal 2014–2017 |  |
| Best Overall The best all-around choice for most situations | KEEKPO Replacement Headlight Assembly Pair for 2011-2013 Buick Regal (Halogen Models) |  |
1. PIT66 Left Headlight Assembly with LED DRL & Turn Signal for Buick Regal 2014–2017
| Compatible with Vehicle Type | Buick Regal 2014 2015 2016 2017 |
|---|---|
| Light Source | LED & Halogen |
| Voltage | 12 Volts |
| Wattage | 21 watts |
| Auto Part Position | Left |
This PIT66 left headlight assembly replaces the factory unit on Buick Regal models from 2014 through 2017 and integrates LED daytime running lights with halogen main lighting and an integrated turn signal. It is intended for direct replacement use, with a polycarbonate lens and anti-UV coating to resist yellowing and weathering. The assembly is described as waterproof and dustproof and carries DOT and SAE certifications, which helps ensure legal road use and durable performance in wet or dusty conditions. Installation is typical for a body-panel headlight swap and should be straightforward for a competent DIYer or technician. Brightness is emphasized for improved nighttime visibility and presence. Limitations to note are that the product mixes LED and halogen sources rather than full-LED illumination, and exact fit depends on matching the listed Buick Regal model years and connector compatibility, so confirm part numbers before ordering.
Best for: A reliability-focused buyer who prioritizes a factory-style replacement that restores sealed, road-legal lighting and long-term durability for routine driving and maintenance needs.
Less Ideal for: Buyers seeking a full-LED performance upgrade, custom lighting appearance, or universal fit parts should consider other options tailored to those goals.
- Direct replacement designed for Buick Regal 2014–2017 for correct fit and alignment
- Polycarbonate lens with anti-UV coating to resist yellowing and extend service life
- Waterproof and dustproof construction with DOT and SAE certification for road-legal use
- Integrated LED daytime running light and turn signal for improved visibility and modern appearance
- Uses a combination of halogen and LED rather than full-LED across all functions
- Requires verification of connector and part number compatibility before installation
Verdict A factory-style, sealed left headlight assembly for Buick Regal 2014–2017 that emphasizes durability and legal road-ready lighting, but it is not a full-LED upgrade.
2. Garage-Pro Headlight Assembly for 2011-2013 Buick Regal Driver Side with Bulb
| Light Source | Halogen |
|---|---|
| Compatible with Vehicle Type | 2011 buick regal cxl |
| Voltage | 12 Volts |
| Wattage | 55 watts |
| Auto Part Position | Front |
This Garage-Pro headlight assembly is a direct-fit replacement for the driver side of 2011-2013 Buick Regal sedans and ships with a halogen bulb installed. It is intended to replace a damaged or worn factory headlight and is DOT/SAE compliant so it meets standard road-legal requirements. Typical use is straightforward: remove the old assembly and bolt this unit into the factory mounting points, making it suitable for DIY installation or quick shop replacement. Notable points include polycarbonate lens construction for impact resistance, a 12 volt 55 watt halogen light source, and a claimed quality-testing process and warranty coverage. In practice this gives dependable illumination on par with factory halogen units and a fit designed around the Regal body, minimizing alignment work. Limitations are that it uses halogen rather than modern projector or LED optics, so light pattern and brightness will match stock performance rather than provide a major visibility upgrade. Buyers looking for upgraded light output or adaptive features will need a different style of assembly.
Best for: Performance-oriented buyers who prioritize a high-quality, factory-style replacement that restores factory handling of the headlight system without requiring modifications.
Less Ideal for: Drivers seeking a visible performance upgrade in brightness or modern LED styling should consider projector or LED conversion assemblies instead.
- Direct-fit design for 2011-2013 Buick Regal driver side to simplify installation
- Includes halogen bulb so the assembly is ready to install out of the box
- Polycarbonate lens for improved impact resistance compared with standard glass
- DOT/SAE compliant construction that meets road-legal standards
- Uses halogen lighting, so it does not provide the higher brightness or efficiency of LED or projector upgrades
- No advanced features such as adaptive lighting or built-in LED daytime running lights
Verdict A factory-style, direct-fit halogen headlight assembly for 2011–2013 Buick Regal drivers who want a reliable restoration of original lighting performance.
3. YIYIBYUS Front Right Headlight Assembly for Buick Regal (2009–2012)
| Specific Uses For Product | Head Lights |
|---|---|
| Light Source | HID, Halogen |
| Additional Features | Dustproof, Waterproof |
| Installation Position | Right, Front |
This YIYIBYUS headlight assembly is designed as a direct replacement for the right front of 2009–2012 Buick Regal models. It houses HID/Xenon-compatible projector optics and an integrated LED daytime running light, and arrives as a closed, ready-to-install unit intended to swap into the factory location. The housing uses polycarbonate and plastic blends with a hardened surface treatment for impact resistance and weather sealing claimed to be dustproof and waterproof. For a budget-focused buyer this gives a full assembly with the look and basic functions of the original headlamp without sourcing separate bulbs or lenses. Limitations: bulbs for high and low beams and turn signal lamps are not included, so you must purchase or reuse bulbs and plan for professional or experienced installation to ensure proper alignment and wiring. Fitment warnings in the listing mean you should confirm part numbers before ordering.
Best for: Budget-conscious Buick Regal owners who need a full replacement headlight assembly that restores appearance and basic lighting function without buying OEM parts.
Less Ideal for: Owners seeking a plug-and-play unit that includes all bulbs and wiring or those wanting a factory-brand replacement with dealer support should consider other options.
- Built as a full direct-replacement assembly for 2009–2012 Buick Regal right front position
- Supports HID/Xenon projector optics and includes LED daytime running light
- Polycarbonate lens and hardened surface treatment for improved durability
- Listed as dustproof and waterproof for better weather protection
- High/low beam, turn signal and side marker bulbs are not included with the assembly
- Requires compatibility check and likely professional installation to ensure correct fit and aiming
Verdict A cost-focused full replacement headlight that restores the right-side lighting and appearance for 2009–2012 Buick Regal but requires separate bulbs and careful fitment checks.
4. CarLights360 Buick Regal Passenger Side Headlight Assembly (fits 2011–2013)
| Light Source | Halogen |
|---|---|
| Voltage | 12 |
| Auto Part Position | Right |
| Specific Uses For Product | Automobiles |
This CarLights360 headlight assembly is a direct aftermarket replacement for the Buick Regal passenger side, matching the referenced OEM and Partslink numbers for straightforward fitment. It ships as a complete assembly with lens, housing, socket and bulbs so installation is largely plug-and-play for routine repairs. The unit is CAPA certified, rated for 12-volt halogen bulbs, and is described as waterproof, which helps with longevity in wet climates. Practical benefits include restoring proper beam alignment and lighting performance without the cost or wait of a dealer part and the inclusion of bulbs avoids hunting for extra components. Limitations to keep in mind are that this is an aftermarket part rather than a factory-manufactured unit, so finish, material feel, or long-term color stability may differ from a factory piece; buyers should verify the listed OEM/Partslink numbers against their vehicle before purchase. Installation on vehicles with damage to surrounding mounting points may still require additional brackets or adjustment.
Best for: Risk-averse mainstream buyers seeking a reliable, ready-to-install replacement that restores factory lighting without the expense of dealer parts.
Less Ideal for: Buyers seeking factory-manufactured parts for guaranteed original finish or those wanting an LED upgrade should consider other options.
- Complete assembly includes lens, housing, socket and bulbs for simpler installation
- CAPA certified to indicate it met aftermarket quality standards
- Designed to match OEM fit via listed OEM and Partslink numbers for direct replacement
- Waterproof construction reduces risk of moisture-related failure
- Aftermarket unit rather than factory-manufactured so exact finish and long-term match may vary
- Uses halogen light source rather than upgraded LED technology
Verdict A cost-effective, CAPA-certified complete passenger-side headlight assembly that restores factory-style lighting for 2011–2013 Buick Regal owners who want a straightforward replacement.
5. GRAND ORANGE Right Halogen Headlight Assembly with LED DRL & Turn Signal for Buick Regal 2014–2017
| Light Source | Halogen |
|---|---|
| Compatible with Vehicle Type | Buick Regal 2014 2015 2016 2017 |
| Voltage | 12 Volts |
| Wattage | 21 watts |
| Auto Part Position | Front |
This GRAND ORANGE right headlight assembly replaces the factory unit on Buick Regal models from 2014 through 2017, pairing a halogen main lamp with an integrated LED daytime running strip and turn signal. It is a sealed, weather-resistant unit with polycarbonate lens intended for straightforward replacement of a damaged assembly. The LED strip improves daytime visibility and gives a modern look while the halogen bulb supplies familiar, serviceable illumination at typical vehicle voltage. DOT and SAE compliance mean the lens and reflector layout aim to meet street-legal illumination patterns. Installation is aimed at direct bolt-in fitment but professional installation is recommended to ensure proper alignment and wiring. Limitations include halogen rather than full LED performance and the product is a single right-side unit, so buyers replacing both sides should budget accordingly. Buyers should also verify fit and alignment after install to avoid glare or aiming issues.
Best for: Practical buyers who prioritize reliable, cost-effective repairs and want a factory-style replacement that adds an updated look without major electrical changes.
Less Ideal for: Owners seeking full LED performance, maximum efficiency, or a full two-side upgrade in one purchase should look at dedicated LED assemblies or paired kits instead.
- Direct-fit replacement for Buick Regal 2014–2017, simplifying installation planning
- Integrated LED daytime running light and turn signal for improved daytime visibility and modern appearance
- Sealed design with one-way vents and polycarbonate lens to resist moisture and road debris
- DOT and SAE stamped for compliance with US lighting standards
- Uses a halogen main light rather than higher-efficiency LED main beams
- Sold as a single right-side assembly so matching the left side requires a separate purchase
Verdict A budget-minded, direct-fit right-side headlight that refreshes appearance with LED DRL while keeping familiar halogen performance.
6. KEEKPO Replacement Headlight Assembly Pair for 2011-2013 Buick Regal (Halogen Models)
| Light Source | Low Beam H11 | High Beam H7 Included |
|---|---|
| Voltage | 12 Volts (DC) |
| Wattage | 220 watts |
| Additional Features | Waterproof |
| Lens Material | Polycarbonate |
These KEEKPO headlight assemblies replace the driver and passenger front lights on 2011–2013 Buick Regal vehicles with factory halogen systems. They arrive as complete housings with lenses and include H11 low beam and H7 high beam bulbs installed, so the product is meant for a straightforward swap during a bumper or fascia removal. Notable features include polycarbonate lenses with UV protection, butyl sealing to reduce condensation, and DOT/SAE stamping for road legality in the U.S. Buyers will find the units fit closely to factory contours and provide full illumination comparable to the original assemblies. Installation takes moderate mechanical skill and may require removing fasteners or the front fascia, but multiple buyers report a plug-and-play experience. Limitations to note are that these are third-party replacements rather than factory-made parts and they are compatible only with halogen-equipped Regals, not HID or xenon variants. A few users reported electrical quirks on some vehicles so verifying wiring and fuses during installation is recommended.
Best for: Balanced all-round buyers who want a full, ready-to-install headlight pair that restores factory appearance and function without seeking an OEM-branded part.
Less Ideal for: Owners seeking factory-manufactured or HID-compatible assemblies or those unwilling to troubleshoot vehicle-specific wiring issues should consider alternatives.
- Direct-fit replacement designed for 2011–2013 Buick Regal halogen models for straightforward installation
- Includes H11 low beam and H7 high beam bulbs installed, reducing parts sourcing
- Polycarbonate lens with UV protection and butyl sealant helps resist impact and condensation
- DOT and SAE stamped to meet U.S. and Canadian regulatory requirements
- Not compatible with Buick Regal models that have factory HID or xenon headlights
- Aftermarket unit rather than factory-manufactured part which may differ slightly from OEM finish
- Some reports of electrical integration issues on a few vehicles requiring fuse or wiring checks
Verdict A practical, DOT-compliant aftermarket headlight pair that restores fit and function for halogen-equipped 2011–2013 Buick Regal owners at a lower cost than buying a factory replacement.
Choosing the Right Buick Regal Headlight Assembly: Key Factors to Consider
Fitment and Mounting Accuracy
Correct fitment ensures the assembly bolts into the existing mounting points without modification. Poorly fitting assemblies can cause alignment problems, require trimming or adapters, and lead to water ingress if seals are not seated properly. Look for assemblies that match the Buick Regal’s mounting geometry and connector orientation. When fitment is accurate, installation is faster and the headlight maintains proper aim, which preserves beam pattern and avoids blinding other drivers.
Beam Pattern and Light Output
The headlight’s beam pattern determines how well the road ahead is illuminated and how glare is controlled for oncoming traffic. A clean cutoff and consistent hotspot help you see hazards at a distance while minimizing stray light that causes glare. Consider assemblies that offer predictable beam geometry and documented brightness levels or consistent user reports. Matching the assembly’s beam characteristics to your driving environment—highway versus urban—affects nighttime comfort and safety.
Lens Material and Resistance to Clouding
Lens longevity affects both appearance and performance. Polycarbonate lenses are common but vary in UV treatments and coatings. Without effective UV protection and durable coatings, lenses can yellow or haze, diminishing light output over time. Choose assemblies with strong lens coatings and attention to sealing. A durable lens helps maintain light transmission and reduces the need for frequent polishing or replacement.
Sealing and Moisture Protection
Good seals and proper venting prevent moisture accumulation and condensation inside the assembly. Water inside the housing can damage electrical components and scatter light, reducing clarity and effectiveness. Inspect whether assemblies are designed with durable gaskets, proper drain/vent features, and secure seam bonding. Better moisture protection extends service life and preserves beam performance.
Electrical Compatibility and Bulb Type
Electrical compatibility with the Buick Regal’s wiring and connector types avoids splicing or adapter use. Confirm whether the assembly accepts the original bulb type or requires a specific lamp. Differences in bulb type affect brightness, color temperature, and compatibility with vehicle electronics. Consider assemblies that support the correct bulb format and wiring connections. If an assembly uses integrated LEDs, verify the vehicle’s electrical system supports them or if auxiliary drivers are required.
Installation Complexity and Serviceability
Installation difficulty affects time and the risk of damage during replacement. Some assemblies mount directly with factory fasteners, while others require partial bumper or trim removal. Serviceability also matters if bulbs or lenses need replacement later on. Prioritize assemblies that come with clear instructions, necessary mounting hardware, and accessible bulb access points. Easier installations reduce labor time and minimize the chance of misalignment or seal damage during fitting.
FAQ
How do I know which Buick Regal headlight assembly fits my car?
Fit depends on the model year and trim level. Check the vehicle year and mounting points against the assembly’s stated compatibility and connector type. Look for descriptions that list the Buick Regal explicitly and confirm the plug orientation and mounting tab locations before ordering.
Can I replace the headlight assembly myself?
Many owners can replace a front headlight assembly with basic tools and modest mechanical skill. Some models require partial bumper or trim removal, so plan for extra time. Follow manufacturer instructions and take care not to damage seals or electrical connectors during removal and installation.
What causes headlight lenses to become cloudy, and can it be fixed?
UV exposure, road debris, and chemical exposure can degrade lens coatings and lead to yellowing or hazing. Minor clouding can sometimes be restored with lens polishing kits, but severe degradation often requires lens replacement or a new assembly to fully restore optical clarity.
Are LED-style assemblies compatible with Buick Regal electrical systems?
Compatibility varies. Some LED assemblies draw different current and may require drivers or resistors to function properly with factory wiring. Verify the assembly’s electrical requirements and whether the vehicle needs additional components to avoid errors or flicker.
How important is aiming after installing a new headlight assembly?
Aiming is important to ensure the beam pattern gives good road coverage without blinding other drivers. Even correctly fitting assemblies can need slight vertical or horizontal adjustment after installation. Use a level surface and follow aiming procedures to set the proper cutoff and alignment.
How We Chose the Best Buick Regal Headlight Assembly
We focused on fitment, optical performance, durability, and installation ease specific to the Buick Regal platform. Fitment accuracy was a primary filter because assemblies that do not align with factory mounting points can require modifications or fail to seal properly. Optical performance criteria included beam pattern consistency, cutoff control, and measured or reported brightness to ensure safe nighttime visibility. Durability factors covered lens material, seal quality, and resistance to moisture and road debris to reduce the chance of premature clouding or failure. Installation considerations addressed connector compatibility, mounting hardware inclusion, and how often minor adjustments are needed during fitment. We excluded parts that showed frequent reports of fitment issues, compromised sealing, or unclear compatibility with Buick Regal model years. The final selections emphasized assemblies that meet factory mounting and electrical interfaces, offer verified optical performance, and use materials suited to everyday driving conditions.
Our full evaluation process is outlined in our review methodology.
Conclusion
When selecting a Buick Regal headlight assembly, prioritize fitment accuracy, optical performance, and weatherproofing. These elements directly affect visibility, safety, and how long the assembly will perform well. Balance ease of installation and electrical compatibility with the expected durability of the lens and seals. Focusing on these tradeoffs will help you choose an option that restores reliable nighttime lighting and reduces the need for repeat repairs.
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