Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
Replacing a tail light assembly on your Buick Regal matters for safety, visibility, and preserving the car's appearance. A correct replacement restores proper signaling and prevents water intrusion or electrical issues that can lead to bulb failures or error messages.This guide highlights seven shortlisted tail light assemblies chosen for common real-world concerns like fitment, sealing, material quality, and ease of installation. Below we explain the criteria used to select these top picks and what to check before you buy.
Looking for other parts? See all Buick Regal parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | ACANII Driver Side LED Tail Light Assembly for 2014–2017 Buick Regal |  |
| Best Quality Built to a higher standard if you want something more solid | CHENDIAN Tail Light Assembly for 2014–2017 Buick Regal, Left and Right Rear Outer with Bulbs |  |
| Best Value The sweet spot between price and what you get | LUNUMAOS Left Rear Tail Light Assembly for 2014-2017 Buick Regal |  |
| Best Budget The cheapest option that still gets the job done reliably | LUNUMAOS Right Rear Tail Light Assembly for 2014-2017 Buick Regal |  |
| Highest Rated A top-rated pick with lots of positive feedback | AKKON Right Rear LED Tail Light Assembly for 2014-2017 Buick Regal |  |
| Most Popular A crowd favorite that many people choose with confidence | ACANII Replacement LED Tail Light Assembly Right Passenger Side for 2014–2017 Buick Regal |  |
| Best Seller A high-volume bestseller chosen again and again | ACANII Tail Light Assembly for 2014–2017 Buick Regal, LED Rear Brake Lamp Pair |  |
1. ACANII Driver Side LED Tail Light Assembly for 2014–2017 Buick Regal
| Light Source | LED |
|---|---|
| Auto Part Position | Rear Left |
| Voltage | 12 Volts |
| Additional Features | Waterproof |
| Lens Material | Polycarbonate |
This ACANII replacement tail light swaps in for the left rear assembly on 2014–2017 Buick Regal sedans and combines LED illumination with a polycarbonate lens and chrome housing for a refreshed look. It is supplied as a complete driver-side unit meant to mount in place of the original assembly and uses DIP-style LEDs that light faster and run more efficiently than incandescent bulbs, improving visibility to following drivers. The lens is impact- and UV-resistant, and the assembly is described as waterproof and DOT/SAE stamped for road legality in the U.S. Installation requires basic removal and reattachment of the old unit and the part ships without printed instructions. As an aftermarket component, it aims to match factory fit and function but is not a genuine factory part, and the product carries a short manufacturer warranty period. For owners wanting an OEM-style replacement with brighter LED performance and modern styling, this delivers a practical upgrade; buyers should factor in that fit and finish can vary with third-party assemblies and that professional installation may be preferable for a perfect alignment.
Best for: Balanced all-round buyers who want a like-for-like replacement that modernizes lighting with LED performance while preserving factory appearance and regulatory compliance.
Less Ideal for: Buyers who require genuine factory-manufactured parts, extended OEM warranty coverage, or plug-and-play installations with full manufacturer support should consider alternative sources.
- Direct-fit replacement designed specifically for 2014–2017 Buick Regal 4-door sedans
- Faster-illuminating DIP LED light source increases visibility compared with incandescent bulbs
- Polycarbonate lens with UV protection offers improved impact resistance and longevity
- DOT and SAE stamped for regulatory compliance in the U.S. and Canada
- Aftermarket unit with limited 60-day manufacturer warranty rather than extended factory coverage
- No printed installation instructions included, which may complicate DIY fitting for some owners
Verdict: A purpose-built LED driver-side tail light that refreshes the 2014–2017 Buick Regal with brighter, faster-illuminating lighting while maintaining factory-style fit and appearance.
2. CHENDIAN Tail Light Assembly for 2014–2017 Buick Regal, Left and Right Rear Outer with Bulbs
| Light Source | Halogen, LED |
|---|---|
| Voltage | 12 Volts |
| Auto Part Position | Rear Outer |
| Lens Material | Polycarbonate |
These left and right rear outer tail light assemblies are built as direct replacements for 2014–2017 Buick Regal models and arrive with the required bulbs installed. They use a combination of halogen and LED light sources to deliver bright stop, tail, and turn signals while the polycarbonate lens and ABS/PC housing aim to resist impacts and weather exposure. Installation is intended as a direct swap into the factory mounting points, so the unit integrates with the vehicle without body modification when fitted correctly. Practical benefits include clearer visibility in low light thanks to the LED elements and a waterproof design that helps prevent moisture-related failures. Important limitations are that installation guidance is not provided and professional fitment is recommended, and because this is an aftermarket brand buyers should confirm fitment and compare OEM part numbers before purchase.
Best for: Performance-oriented buyers who prioritize bright, responsive lighting and want a near-factory replacement for a 2014–2017 Buick Regal to restore or improve rear visibility and signaling.
Less Ideal for: Buyers seeking an exact factory-branded part or a plug-and-play swap without any professional assistance should consider factory-sourced units or dealer-installed replacements instead.
- Designed to match factory fit for 2014–2017 Buick Regal for straightforward direct replacement
- Combination of LED and halogen light sources improves nighttime visibility and signal clarity
- Polycarbonate lens and ABS/PC construction offer impact and corrosion resistance
- Includes bulbs so the assemblies are ready to install upon purchase
- No installation instructions included and the listing recommends professional installation
- Aftermarket brand so cosmetic match and long-term durability may vary from factory parts
Verdict: A ready-to-install aftermarket tail light pair that upgrades rear visibility with combined LED and halogen lighting while matching factory fit for 2014–2017 Buick Regal models.
3. LUNUMAOS Left Rear Tail Light Assembly for 2014-2017 Buick Regal
| Compatible with Vehicle Type | For 2014-2017 Buick Regal |
|---|---|
| Light Source | Halogen and LED |
| Auto Part Position | Rear Left |
| Voltage | 12 Volts |
| Additional Features | Dustproof, Waterproof |
This LUNUMAOS left rear tail light is a direct-fit replacement built for 2014–2017 Buick Regal owners who need a budget-friendly repair option. It combines halogen brake/turn illumination with an integrated LED bar to provide visible stop and signaling performance while matching the factory appearance. The housing uses PC, ABS and PMMA materials with a clear lens and red housing to resist wear and environmental exposure, and the unit ships ready to install without assembly. It claims dustproof and waterproof sealing and includes a 1156 turn-signal socket and 12V compatibility, which makes it straightforward to plug into existing wiring for most installations. Some buyers report easy, trouble-free installation and tight seals, though fitment has not been perfect for every vehicle and professional installation may be recommended if alignment or connector differences appear. For a practical, cost-conscious replacement that retains factory styling and basic lighting performance, this assembly delivers strong value.
Best for: Practical optimizers who prioritize low total repair cost and factory-like appearance when replacing a damaged tail light on a Buick Regal. Buyers focused on getting dependable function and easy installation without paying OEM pricing will appreciate this option.
Less Ideal for: People who must have factory-branded parts or exact OEM provenance for warranty or resale reasons should consider dealer-sourced replacements instead.
- Direct-fit design for 2014–2017 Buick Regal reduces modification during installation
- Combines halogen and LED elements for clear stop and signal visibility
- Constructed from PC, ABS and PMMA for durability against impact and fading
- Dustproof and waterproof design helps prevent moisture and fogging
- Includes standard 1156 turn-signal socket and is 12V compatible for plug-and-play use
- Some users reported occasional fitment or compatibility differences that required adjustments or professional help
- Not an OEM-branded part which may concern buyers seeking factory-sourced components
Verdict: A budget-minded, direct-fit left tail light assembly that restores factory look and basic lighting performance for 2014–2017 Buick Regal owners.
4. LUNUMAOS Right Rear Tail Light Assembly for 2014-2017 Buick Regal
| Compatible with Vehicle Type | For 2014-2017 Buick Regal |
|---|---|
| Light Source | Halogen and LED |
| Auto Part Position | Rear Right |
| Additional Features | Dustproof, Waterproof |
| Voltage | 12 Volts |
This LUNUMAOS right rear tail light is a vehicle-specific direct-replacement for 2014–2017 Buick Regal models. It combines halogen and LED light sources to provide brake, turn and running light functions and is built from PC, ABS and PMMA materials with a clear lens and red housing. The unit is sold as a single passenger-side assembly and includes factory-style connections so most buyers can plug it in without modifying wiring. Its dustproof and waterproof seals aim to prevent fogging and moisture after installation. Practical benefits are lower cost than dealer parts and a factory-matching appearance that keeps the Regal looking original. Limitations include occasional fitment mismatches reported by a few buyers and that the listing is for the right side only so you must buy the other side separately if needed. The manufacturer recommends professional installation if you are not comfortable handling exterior electrical connections.
Best for: Budget-conscious Regal owners who want a low-cost, factory-style replacement tail light that restores appearance and function without paying dealer prices.
Less Ideal for: Buyers who prefer dealer-branded parts, need both sides included, or require guaranteed fitment without any risk of minor adjustments should consider alternatives.
- Direct-fit design specific to 2014–2017 Buick Regal for straightforward replacement
- Includes halogen and LED light sources for visible brake, turn and running lights
- Dustproof and waterproof sealing to resist moisture and fogging
- Constructed from PC, ABS and PMMA materials for impact and scratch resistance
- Sold as a single right-side assembly only
- Some buyers reported occasional fitment compatibility issues on certain vehicles
Verdict: A cost-effective, vehicle-specific replacement tail light that restores factory appearance and function for 2014–2017 Buick Regal owners.
5. AKKON Right Rear LED Tail Light Assembly for 2014-2017 Buick Regal
| Light Source | LED |
|---|---|
| Auto Part Position | Rear Right |
| Additional Features | Waterproof |
| Lens Material | Polycarbonate |
This AKKON right rear LED tail light is a vehicle-specific replacement for 2014–2017 Buick Regal sedans that swaps in as a complete assembly. It uses LED illumination for brighter, quicker-on lighting compared with incandescent bulbs and arrives as a chrome-housed unit with a red lens meant to match the factory appearance. The assembly is advertised as waterproof and made with polycarbonate lens material, which should resist road wear and light impact while maintaining visibility. It is sold as a plug-in replacement intended for a bolt-on installation and includes the full assembly rather than separate bulbs, which simplifies fitment for owners who want a one-piece swap. Limitations are standard for aftermarket parts: the unit is not a genuine factory part and professional installation is recommended to ensure correct alignment and sealing. The product carries a short 90-day warranty and the listing specifies passenger right side only, so buyers should confirm side and year before ordering.
Best for: Reliability-focused buyers who prioritize a dependable, direct-fit replacement to restore factory lighting function and visibility on a 2014–2017 Buick Regal.
Less Ideal for: Buyers seeking a long factory-backed warranty or an original manufacturer part should consider OEM replacements instead.
- Vehicle-specific design for direct bolt-on replacement on 2014–2017 Buick Regal right rear
- LED light source provides faster illumination and brighter, more even visibility than incandescent bulbs
- Complete assembly included so no separate bulb purchases are required
- Polycarbonate lens and waterproof construction improve durability against road exposure
- Aftermarket unit not produced by the original vehicle manufacturer
- Short 90-day warranty period
Verdict: A ready-to-install LED right rear tail light assembly that restores bright, fast-responding lighting for 2014–2017 Buick Regal sedans.
6. ACANII Replacement LED Tail Light Assembly Right Passenger Side for 2014–2017 Buick Regal
| Light Source | LED |
|---|---|
| Auto Part Position | Rear Right |
| Voltage | 12 Volts |
| Additional Features | Waterproof |
| Lens Material | Polycarbonate |
This ACANII tail light is a direct replacement passenger-side assembly for 2014–2017 Buick Regal sedans that pairs a chrome housing with a red polycarbonate lens and integrated LED bulbs. It is used to restore rear lighting after damage or to upgrade from incandescent bulbs to faster-illuminating LEDs that increase visibility to following drivers. The assembly is vehicle-specific and includes the lens and housing but requires basic installation and wiring to fit into the factory opening. Notable features include waterproof construction, DOT and SAE stamping for road legality in the U.S. and Canada, and polycarbonate lens material for UV and impact resistance. Practical benefits are improved brake response visibility from the LED light source and a factory-like appearance at a lower cost than dealer parts. Limitations are that it is an aftermarket third-party unit rather than a factory-manufactured component and installation instructions are not included, so some users may need basic mechanical skill or shop assistance to install and align the assembly correctly.
Best for: Convenience-driven buyers who want a ready-made, vehicle-specific replacement that restores factory appearance and improves rear visibility without hunting for dealer parts.
Less Ideal for: Buyers seeking a factory-manufactured OEM component or those who prefer a plug-and-play unit with full installation instructions included.
- Integrated LED bulbs illuminate faster and offer brighter signaling than incandescent equivalents
- Polycarbonate lens provides UV protection and improved impact resistance over cheaper plastics
- Waterproof construction and DOT/SAE stamping support legal road use in U.S. and Canada
- Vehicle-specific fit designed to match factory mounting points for 2014–2017 Buick Regal
- Aftermarket third-party part rather than a factory-manufactured unit
- Installation instructions are not included which may require professional installation for some buyers
Verdict: A vehicle-specific LED tail light assembly that restores factory looks while improving brake signal visibility for 2014–2017 Buick Regal owners.
7. ACANII Tail Light Assembly for 2014–2017 Buick Regal, LED Rear Brake Lamp Pair
| Light Source | LED |
|---|---|
| Voltage | 12 Volts |
| Auto Part Position | Rear |
| Additional Features | Waterproof |
| Lens Material | Polycarbonate |
This ACANII tail light assembly replaces both driver and passenger rear units on 2014–2017 Buick Regal 4-door sedans with a LED-based brake and tail light solution. It arrives as a complete housing and lens pair with polycarbonate lenses and DOT/SAE stamping for legal road use in the U.S. The LED modules use fast-responding DIP-style LEDs that illuminate quicker and run more efficiently than incandescent bulbs, improving visibility to trailing drivers. The units are waterproof and rated for 12-volt automotive systems, and they include both housings and lenses to simplify swap-in replacement. Expect typical plug-and-play fitment where factory-style mounting points match, though installation instructions are not included so basic mechanical familiarity or a shop visit may be needed. These are aftermarket replacements rather than factory-manufactured parts, so finish, fit, or longevity may differ from a factory-quality unit and the product carries a short manufacturer warranty period.
Best for: Risk-averse mainstream buyers who prioritize replacing a damaged Regal tail light with a direct-fit aftermarket option that restores legal lighting and improved LED visibility without chasing factory original parts.
Less Ideal for: Buyers seeking exact factory-manufactured parts or those who want a lifetime warranty and documented installation guidance should consider dealer-sourced replacements or options with extended support.
- Complete driver and passenger assemblies included for a full rear replacement
- LED light source illuminates faster than incandescent bulbs for improved visibility
- Polycarbonate lens offers UV protection and impact resistance
- DOT and SAE stamped for compliance with U.S. road regulations
- Waterproof design suitable for typical weather exposure
- Aftermarket part may not match OEM fit or long-term durability exactly
- No installation instructions included which may require professional installation
Verdict: A convenient, DOT-compliant LED replacement pair for 2014–2017 Buick Regal owners wanting a full rear tail light swap with faster-responding lighting, while accepting typical aftermarket fit and warranty limits.
Choosing the Right Buick Regal Tail Light Assembly: Key Factors to Consider
Fitment and Mounting
Correct fitment is the most important factor because improper alignment can leave gaps, cause rattles, or prevent secure mounting. Confirm the assembly matches the Buick Regal's exact year and body style so bolt locations, clips, and connector positions align without modification.
A unit that fits precisely reduces installation time and lowers the risk of seal failure or vibration-related damage. Where possible, inspect mounting points and backing plate compatibility to ensure a snug, factory-like fit.
Lens Material and Optical Clarity
Lens material affects both durability and light transmission. High-quality polycarbonate or acrylic lenses resist cracking and yellowing from UV exposure better than cheaper plastics. Optical clarity matters for signal visibility; a cloudy or poorly formed lens can diffuse light and reduce apparent brightness.
Check for UV coatings or hardcoats that extend service life and look for lenses with consistent thickness and smooth optical surfaces to maintain effective brake and indicator visibility over time.
Housing Construction and Sealing
The housing protects internal components from moisture and debris, so its construction quality directly impacts longevity. Look for assemblies with robust housings and well-executed seams that accept factory gaskets or include molded seals.
Poor sealing leads to condensation, corrosion of connectors, and premature bulb or circuit failure. A solid housing design also resists flexing and maintains proper alignment of internal reflector surfaces.
Electrical Compatibility and Connector Type
Electrical compatibility ensures the assembly works with the Buick Regal's existing wiring harness and bulb or LED modules. Verify connector shape, pin count, and whether the assembly uses replaceable bulbs or integrated LED circuits.
Mismatch can cause malfunctioning signals, warning lights on the dash, or the need for adapter harnesses. Prefer parts that clearly document connector compatibility and match factory wiring to avoid additional modifications.
Light Source and Signal Performance
The type of light source influences visibility, response time, and maintenance. Traditional replaceable bulbs offer simple repairs, while integrated LED modules provide faster illumination and longer service life. Assess how the assembly directs and diffuses light to ensure brake, turn, and reverse signals are distinct and bright enough for safe operation.
Also consider whether the reflectors and internal optics support consistent beam patterns so signaling is clear from typical following distances and angles.
Installation Complexity and Serviceability
Ease of installation reduces labor time and the chance of installation-related issues. Check whether the assembly requires only basic tools, if fasteners are accessible without removing major trim, and whether instructions or hardware are included.
Serviceability matters for future repairs: assemblies that allow bulb replacement without full disassembly are often easier to maintain, while fully sealed units may last longer but require more work if internal components fail.
How We Chose the Best Buick Regal Tail Light Assembly
We concentrated on criteria that directly affect everyday use and long-term reliability for Buick Regal tail light assembly replacements. Primary filters included precise fitment to the Buick Regal body and mounting points, material durability of lens and housing to resist UV and road debris, and sealing performance to prevent moisture ingress. We also evaluated electrical compatibility with the factory wiring, including connector type and bulb or LED module compatibility, plus overall build quality and finish to ensure a factory-style appearance.We excluded units with ambiguous fitment claims, assemblies lacking clear wiring or connector information, and parts with poor finish or visible molding defects. Final selection favored assemblies that balance ease of installation, longevity, and reliable light output, while omitting unverified or generic listings that do not document fitment or component specifications.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know if a tail light assembly fits my Buick Regal?
Check the assembly's stated fitment information against your Buick Regal's model year and body style. Confirm connector type and mounting point locations match the factory unit. When available, look for diagrams or compatibility notes that list exact years and VIN ranges.
Can I replace just the tail light lens and housing rather than the entire assembly?
In some cases the lens and housing are sold separately and can be replaced if the internal components are intact. However, many modern assemblies are sealed units, so inspect whether the lens is a separate serviceable part or bonded to the housing before planning a partial repair.
Are LED tail light assembly upgrades straightforward on the Buick Regal?
LED upgrades can offer faster illumination and longer life, but they may require attention to connector compatibility and load differences. Some LED assemblies are direct-fit and work without modifications, while others might need resistors or adapters to prevent hyperflash or warning indications.
What should I check after installing a replacement tail light assembly?
Verify all signals: brake, turn, reverse, and running lights. Inspect for gaps in the seal and look for any immediate condensation. Also confirm connectors are fully seated and that no dashboard warning lights appear related to the lighting circuit.
How can I troubleshoot a tail light assembly that flickers or fails intermittently?
Start by checking connector contacts and wiring for corrosion or loose pins, and ensure ground connections are secure. Test the bulb or LED module separately if possible, and inspect the socket for signs of heat damage. Intermittent issues often trace back to poor electrical contact or moisture intrusion.
Does a direct-fit tail light assembly require any special tools to install?
Most direct-fit assemblies require only basic hand tools like screwdrivers and common sockets. Some installations may need trim removal tools to avoid damaging panels. If an assembly uses hidden clips or specialty fasteners, a brief review of the instructions will reveal any additional tool needs.
Conclusion
When choosing a Buick Regal tail light assembly, prioritize precise fitment, solid sealing, and electrical compatibility to maintain safety and minimize future maintenance. Balance the benefits of serviceable bulb designs against the longevity of sealed or LED modules based on how you plan to use the vehicle.Ultimately, pick an assembly that matches the Regal's mounting and connector specifications, offers a durable lens and housing, and provides clear signal performance. That approach reduces installation headaches and helps ensure reliable lighting over time.
Explore More:
- Check out all Buick Regal parts & accessories
- Explore Tail Light Assemblies Maintenance & Repair Guides
- Explore Lighting
- Browse all Auto Parts
