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 an Acura TSX matters for safety, legal compliance, and maintaining proper vehicle signaling. You want units that provide consistent illumination, seal against moisture, and install without extensive modification.This guide covers seven shortlisted tail light assemblies chosen for common buyer priorities like fitment accuracy and construction quality. We evaluated options for build durability, electrical compatibility, and ease of installation to help you find a reliable replacement. Read on to see the top picks and what to consider before you buy.
Looking for other parts? See all Acura TSX parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | USR UNIQUE STYLE RACING Euro-Style Tail Light Set for 2009–2014 Acura TSX (4-Piece) |  |
| Best Quality Built to a higher standard if you want something more solid | Generic Whole Tail Light Assembly Set for Acura TSX CU2/CW2 (2009–2014) |  |
| Best Value The sweet spot between price and what you get | CarLights360 Tail Light Assembly Pair for Acura TSX (2009–2010) |  |
| Best Budget The cheapest option that still gets the job done reliably | Garage-Pro Tail Light Assembly – Left Outer for Acura TSX (2009-2010) |  |
| Highest Rated A top-rated pick with lots of positive feedback | AKKON LED Tail Light Pair for 2004–2008 Acura TSX |  |
| Most Popular A crowd favorite that many people choose with confidence | HEADLIGHTSDEPOT Left Rear Tail Light Compatible with 2009-2014 Acura TSX |  |
| Best Seller A high-volume bestseller chosen again and again | ACANII Full LED Tube Rear Tail Light Assembly Pair for 2004-2008 Acura TSX |  |
1. USR UNIQUE STYLE RACING Euro-Style Tail Light Set for 2009–2014 Acura TSX (4-Piece)
| Compatible Models | 2009–2014 Acura TSX Sedan |
|---|---|
| Light Source | Halogen |
| Lens Material | Polycarbonate |
| Auto Part Position | Left, Right |
This four-piece tail light set replaces the inner and outer rear lamps on 2009–2014 Acura TSX sedans and provides a Euro-style red/clear appearance with a driver-side red fog element. Made with polycarbonate lenses and ABS housings, the parts are sealed for water resistance and designed to clip into the factory mounting points so installation is a straightforward reuse-of-original-bulbs plug-and-play job. The set preserves halogen bulb usage and keeps wiring intact, which makes it an easy DIY upgrade for owners who want a cleaner, more modern look without changing lighting hardware. Practical benefits include UV and impact resistance from the polycarbonate lens and what the maker describes as OEM-equivalent fit, which helps alignment and reduces installation fuss. Limitations are that the lights are for halogen setups only, so owners running LED conversions will need to retain compatible sockets or adapt separately, and buyers should confirm fitment for specific TSX trims before installing.
Best for: Balanced owners who want a straightforward visual upgrade and reliable, factory-style replacement without extensive modification, balancing looks and practicality.
Less Ideal for: Owners planning to convert to LED lighting or those who need exact OEM-branded parts for restoration or resale should consider other options.
- Complete 4-piece set covers inner and outer left and right tail lights for a full rear-end refresh
- Polycarbonate lens and sealed housing offer UV protection and water resistance
- Plug-and-play design reuses original bulbs and sockets for simple DIY installation
- Intended for halogen bulb systems only and may require extra parts or adapters for LED conversions
- Manufacturer fit claims may vary by vehicle condition so minor adjustment could be needed during installation
Verdict: A plug-and-play Euro-style 4-piece tail light set that lets Acura TSX owners refresh their rear-end appearance with factory-style fit and durable polycarbonate lenses.
2. Generic Whole Tail Light Assembly Set for Acura TSX CU2/CW2 (2009–2014)
| Compatible Vehicle Type | 2008 2009 2010 2011 2012 accord sedan （Japanese version） |
|---|---|
| Light Source | Not include bulb |
| Additional Features | Waterproof |
| Lens Material | Polycarbonate |
These whole tail light assemblies are a direct-replacement style kit for Acura TSX CU2/CW2 (2009–2014) offered as a four-piece set with clear polycarbonate lenses. They are intended for bolt-on installation without vehicle modifications and ship without bulbs or sockets so you reuse factory bulbs or upgrade separately. The crystal-clear lens and waterproof construction improve rear visibility and resist moisture ingress compared with lower-quality housings, while the vehicle-specific fit reduces alignment issues during install. Because bulbs are not included buyers should budget time to transfer sockets or select compatible replacements. Build details such as exact internal reflector design and sealing under long-term road exposure are not specified, so high-mileage or track-driven cars may want to confirm fit and durability before committing. For performance-oriented owners looking to refresh or upgrade rear lighting appearance and clarity on a TSX, this set provides a clean, modern look and straightforward installation when paired with appropriate bulbs.
Best for: Performance-oriented buyers seeking a clean, factory-replacement upgrade to improve rear visibility and styling on their Acura TSX while keeping installation simple and bolt-on.
Less Ideal for: Buyers who want a plug-and-play kit with bulbs and sockets included or who need documented long-term durability for heavy track use should consider other options.
- Vehicle-specific fit for Acura TSX CU2/CW2 (2009–2014) simplifies installation
- Clear polycarbonate lenses improve rear light visibility and resist impact
- Waterproof construction reduces risk of moisture-related failures
- Includes a full four-piece set to replace all rear assemblies at once
- Bulbs and bulb sockets are not included so additional purchases or transfers are required
- Limited manufacturer warranty period listed is short
Verdict: A complete, vehicle-specific four-piece tail light set that refreshes the Acura TSX rear appearance while offering a straightforward bolt-on replacement.
3. CarLights360 Tail Light Assembly Pair for Acura TSX (2009–2010)
| Light Source | Halogen |
|---|---|
| Additional Features | Waterproof |
| Voltage | 12 |
| Auto Part Position | Rear |
| Automotive Fit Type | Vehicle Specific Fit |
This CarLights360 tail light assembly pair replaces the driver and passenger rear units on 2009–2010 Acura TSX sedans. Sold as a vehicle-specific aftermarket replacement, the lights arrive factory-sealed and are DOT and SAE compliant so they meet basic safety and street-legal standards. They use halogen light sources and are designed to be waterproof, which helps resist moisture intrusion and corrosion in typical road conditions. Installation is intended to be straightforward since the parts are sold as a direct fit with matching partslink and OEM equivalent numbers, making them suitable for routine DIY swapouts or quick shop installs. Practical buyers will appreciate that the assemblies are inspected to meet factory-quality criteria but note these are aftermarket parts rather than manufacturer-produced units, so finish and long-term fitment can vary compared with a factory replacement. The set is best when you want a lower-cost, like-for-like replacement that keeps the car compliant and functional without premium OEM pricing.
Best for: Practical optimizers who want a cost-effective, like-for-like replacement to restore rear lighting and maintain compliance without paying OEM prices.
Less Ideal for: Buyers seeking an exact factory-manufactured part, long-term brand warranty coverage, or a modern LED upgrade should consider OEM or upgraded assemblies instead.
- Vehicle-specific fit for Acura TSX 2009–2010 with matching partslink/OEM numbers
- DOT and SAE compliant for legal road use
- Factory-sealed, sold as a pair for straightforward replacement
- Waterproof construction to resist moisture and reduce corrosion risk
- Aftermarket part rather than manufacturer-produced so finish and long-term fitment may differ from factory replacement
- Uses halogen bulbs rather than newer LED technology
Verdict: A budget-friendly, vehicle-specific tail light pair that restores function and compliance for 2009–2010 Acura TSX owners.
4. Garage-Pro Tail Light Assembly – Left Outer for Acura TSX (2009-2010)
| Compatible with Vehicle Type | 2010 acura tsx |
|---|---|
| Light Source | Halogen |
| Auto Part Position | Left, Outer |
| Lens Material | Acrylic |
This Garage-Pro left outer tail light is an aftermarket, vehicle-specific replacement for 2009-2010 Acura TSX sedans. It arrives as a direct-fit assembly intended to replace a damaged factory unit and includes halogen bulb compatibility so you can swap it in without changing your existing bulbs. The acrylic lens and clear-and-red styling match the factory look and the part lists common interchange numbers for straightforward identification. In practice this is a budget-focused option: it provides a near-stock appearance and simple bolt-on installation for routine repairs, and the included one-year limited warranty gives extra reassurance. Expect typical aftermarket tolerances, so take care aligning mounts during installation and test the lights before final reassembly. It is not a performance or LED upgrade, so buyers wanting brighter modern lighting or cosmetic modification will need a different product.
Best for: Budget-conscious buyers who need a straightforward, affordable replacement tail light that restores factory appearance and function on a 2009–2010 Acura TSX without extra upgrades.
Less Ideal for: Buyers seeking modern LED upgrades, increased brightness, or cosmetic customization should consider higher-end or specialty assemblies instead.
- Vehicle-specific fit for 2009-2010 Acura TSX driver side outer position
- Matches factory appearance with clear and red acrylic lens
- Compatible with halogen bulbs so no bulb upgrades are required
- Includes a one-year unlimited-mileage warranty for added confidence
- Aftermarket build may require careful alignment to match factory mounting points
- Uses halogen lighting only and does not provide LED or enhanced brightness
Verdict: An affordable, direct-fit halogen tail light assembly that restores factory appearance and function on 2009–2010 Acura TSX sedans.
5. AKKON LED Tail Light Pair for 2004–2008 Acura TSX
| Light Source | LED |
|---|---|
| Voltage | 12 Volts |
| Wattage | 12 watts |
| Additional Features | Waterproof |
| Lens Material | Acrylic |
These AKKON tail lights replace the factory rear assemblies with LED light tubes in a red clear lens and chrome-style housing. They are sold as a complete left and right pair and mount as vehicle-specific replacements intended to bolt in where the stock units sit. The LED tubes use SMD chips that reach full brightness instantly and produce a more even, visible light pattern than traditional bulbs, which improves nighttime visibility and the look of the rear end. The assemblies are listed as waterproof and use acrylic lenses, and several buyers report straightforward installs with basic tools though a professional install is recommended for best results. Wiring changes may be necessary to integrate halo or LED functions with some TSX wiring harnesses. Limitations include a 90-day manufacturer warranty and that these are an aftermarket replacement rather than a factory part, so expect some variation in fit or finish compared with genuine factory-quality units.
Best for: Reliability-focused owners who prioritize a dependable, visible replacement over styling-only options and want a direct-fit LED upgrade for long-term daily use.
Less Ideal for: Buyers seeking an exact factory-original part or extended manufacturer backing should consider factory-quality replacements or dealer-sourced assemblies instead.
- Vehicle-specific, sold as a complete left and right pair for a bolt-in replacement
- LED SMD light tubes deliver instant-on, even illumination and improved visibility
- Waterproof design with acrylic lenses suitable for regular road use
- Many reviewers report easy installation with basic tools
- Aftermarket unit so fit and finish can differ from factory-quality parts
- Manufacturer warranty is limited to 90 days
Verdict: A practical LED upgrade that offers brighter, instant-on rear illumination as a vehicle-specific direct-replacement for 2004–2008 Acura TSX models.
6. HEADLIGHTSDEPOT Left Rear Tail Light Compatible with 2009-2014 Acura TSX
| Light Source | LED |
|---|---|
| Auto Part Position | Rear Left |
| Voltage | 12 Volts (DC) |
| Automotive Fit Type | Vehicle Specific Fit |
This HEADLIGHTSDEPOT left rear tail light is a vehicle-specific replacement designed for 2009-2014 Acura TSX sedans and uses LED bulbs for the warning and running functions. It installs in place of the factory housing and is intended for drivers who need a direct-fit replacement after damage or want a like-for-like aftermarket option. Notable features include a clear lens with red reflector styling, plastic housing, and LED light source that meets DOT and SAE markings for road use. In practical terms the unit restores rear lighting visibility and appearance while avoiding rewiring when fitment is correct. One limitation is a reported missing bracket that may require transferring hardware from the original assembly, so plan for a basic trim or bracket swap during installation. The light is sold as a single left-side assembly and aims to match factory look and function at an affordable price point.
Best for: Convenience-driven buyers who want an affordable, direct-fit replacement tail light that restores factory appearance and can be installed with minimal modification.
Less Ideal for: Shoppers seeking a full pair, premium aftermarket styling, or a plug-and-play upgrade with all mounting hardware included should consider other options.
- Vehicle-specific fit for 2009-2014 Acura TSX left driver side
- LED light source for bright, energy-efficient illumination
- DOT and SAE stamped to meet safety and road-use requirements
- Durable plastic lens and housing designed to resist fogging and corrosion
- May require transferring a mounting bracket from the original assembly during installation
Verdict: A practical, vehicle-specific LED replacement tail light that restores factory look and function for 2009-2014 Acura TSX owners.
7. ACANII Full LED Tube Rear Tail Light Assembly Pair for 2004-2008 Acura TSX
| Vehicle Fit | 2004-2008 Acura TSX 4-Door Sedan |
|---|---|
| Lens Material | Polycarbonate |
| Set | Driver and Passenger Pair |
| Special Feature | Waterproof |
These ACANII assemblies replace both driver and passenger rear tail lights on a 2004–2008 Acura TSX and use DIP LED modules to provide brighter, faster-illuminating brake and tail lighting compared with incandescent bulbs. They include chrome housings, red polycarbonate lenses, and are sold as a complete left/right set so you can swap both sides at once. The LEDs claim quicker illumination for improved visibility, and the polycarbonate lens offers impact and UV resistance for longer outdoor durability. Installation is the same basic process as a factory replacement, although the package does not include instructions so a basic familiarity with tail light removal or a repair manual helps. These are aftermarket replacements rather than factory parts, so while they match fitment and function they may differ slightly in finish and connector details from factory pieces. In short, the lights modernize appearance and improve brightness, but expect a modest installation learning curve and the usual differences that come with third-party parts.
Best for: Risk-averse mainstream buyers who prioritize a direct, vehicle-specific replacement that improves nighttime visibility and modernizes the TSX rear lighting without major modification.
Less Ideal for: Buyers seeking an exact factory-produced part or plug-and-play installation with full instructions should consider OEM replacements or options that include detailed guides.
- Full LED bulbs illuminate faster and are brighter than incandescent bulbs for improved visibility
- Sold as a driver and passenger pair so both sides can be replaced together for consistent appearance
- Polycarbonate lens with UV protection offers better impact resistance and longer outdoor durability
- Meets DOT and SAE stamping for legal road use in USA and Canada
- Aftermarket unit that is not a factory-made part and may differ slightly in finish or connectors
- No installation instructions included, which can complicate fitment for first-time DIYers
Verdict: A brighter, vehicle-specific LED tail light pair that modernizes the TSX rear end while offering improved visibility over incandescent bulbs, with the usual minor fit and finish differences of aftermarket parts.
Choosing the Right Acura TSX Tail Light Assembly: Key Factors to Consider
Fitment and Mounting
Fitment is the most important factor because a correct tail light assembly aligns with factory mounting points and connector types. A precise fit reduces the risk of gaps that can allow water ingress or cause vibration during driving.
Assess whether the assembly uses the same screw and clip locations as the original and if the electrical connector matches the vehicle harness. If an assembly requires adapters or modification, factor in the additional labor and potential reliability issues. Proper alignment also ensures the light beam is directed correctly for signaling and brake visibility.
Lens and Housing Materials
The materials used for the lens and housing determine resistance to cracking, UV yellowing, and moisture intrusion over time. Polycarbonate lenses are common for impact resistance, while the housing material should resist warping from engine heat and sun exposure.
Look for assemblies with durable seals and gasketing to prevent condensation and corrosion. A high-quality finish around mounting points and seams helps maintain a watertight fit and preserves appearance. Consider how the materials fare in your local climate, especially if you live in areas with strong sunlight or frequent road salt.
Electrical Compatibility and Bulb Type
Electrical compatibility affects ease of installation and long-term reliability. Confirm the assembly accommodates the vehicle's original bulb type or comes prewired for the same connector. Mismatched connectors can require splicing or adapters and may lead to intermittent function.
If the assembly uses integrated LEDs, check whether the vehicle's wiring and signaling system are compatible or if resistors or modules are needed to prevent hyperflashing or error messages. Reliable electrical connections and corrosion-resistant terminals reduce the chance of future failures.
Seal Quality and Weather Resistance
A good seal prevents moisture and contaminants from entering the assembly and causing fogging, corrosion, or electrical shorts. Examine gasket design, adhesive joins, and any drainage features that allow trapped water to escape without reaching electrical components.
Weather resistance also includes resistance to temperature cycling; materials and seals should remain flexible in cold weather and stable in heat. Assemblies with proven sealing approaches will maintain clarity and function longer in wet or humid conditions.
Ease of Installation
Ease of installation affects the total time and cost to get the replacement fitted. Assemblies that install with basic hand tools and use the factory mounting hardware minimize the need for specialized tools or professional help.
Clear installation access to mounting screws and connectors, and whether the assembly arrives with necessary gaskets or hardware, matter for a smooth replacement. Consider whether the manufacturer provides installation guidance or diagrams and how straightforward the removal of the old unit will be.
Light Output and Visibility
Light output impacts how well other drivers see turn signals and brake lights, especially in adverse weather or daylight. Evaluate the assembly's lens design and reflector geometry to ensure it directs light effectively rather than scattering it.
Consistent, bright illumination helps meet safety expectations and regulatory requirements. If the assembly uses LED elements, assess whether the pattern provides evenly distributed light and clear signaling for brake, turn, and running light functions.
How We Chose the Best Acura TSX Tail Light Assembly
We selected tail light assemblies that meet practical requirements for fit, durability, and electrical compatibility with the Acura TSX. Our primary filters included fitment accuracy to factory mounting points and connectors, resistance to moisture and corrosion through quality seals and materials, and consistent light output under normal driving conditions.We also evaluated ease of installation, including whether the assembly could be installed with basic tools and standard mounting hardware, and the quality of materials used for the lens and housing to assess long-term durability. Electrical compatibility and connector type were considered to minimize the need for splicing or adapters. Units that require extensive vehicle modification or lack proper sealing were excluded. We did not include products lacking clear fitment information or those with known reliability concerns. The result is a curated list focused on assemblies that balance reliable fitment, construction quality, and straightforward installation for Acura TSX owners.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I confirm a tail light assembly fits my Acura TSX?
Check the part listing for explicit mention of Acura TSX compatibility and the model years covered. Verify that mounting points, screw locations, and the electrical connector type match your vehicle. If the listing includes measurements or mounting diagrams, compare those to your existing unit.
Can I install a tail light assembly myself?
Many tail light assemblies are designed for do-it-yourself installation using basic tools and the factory mounting points. Installation difficulty depends on access to mounting screws and the electrical connector. If the assembly requires wiring changes or vehicle-specific modules, professional help may be advisable.
Should I choose an assembly with LED modules or traditional bulbs?
LED assemblies often offer faster illumination and longer service life, while traditional bulb setups are easier to replace and may avoid electrical compatibility issues. The best choice depends on your vehicle's wiring, whether conversion requires resistors or modules, and your preference for maintenance versus performance.
How can I prevent moisture from forming inside a new tail light assembly?
Ensure mating surfaces are clean and that the assembly's gasket or seal is properly seated during installation. Allow any corrective drainage features to remain unobstructed and avoid driving through deep water immediately after installation. Periodically inspect seals for damage and replace them if you notice persistent condensation.
What should I check if a replacement tail light does not illuminate?
First confirm the electrical connector is fully seated and that the correct bulb type is installed if applicable. Inspect fuse and bulb continuity, and check for corrosion on terminals. If the assembly uses integrated electronics, verify compatibility with the vehicle's wiring and look for loose or damaged connectors.
Conclusion
When choosing an Acura TSX tail light assembly, prioritize correct fitment, solid seals, and electrical compatibility to reduce installation complexity and long-term maintenance. Balance material durability and light output against any installation requirements such as wiring or adapters.Focus on assemblies that match factory mounting points and connectors, use durable lens and housing materials, and provide clear, consistent illumination. Careful selection based on these criteria will minimize future issues and keep signal and brake lighting functioning reliably.
Explore More:
- Check out all Acura TSX parts & accessories
- Explore Tail Light Assemblies Maintenance & Repair Guides
- Explore Lighting
- Browse all Auto Parts
