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Replacing a damaged or fogged headlight assembly matters for safety, legal compliance, and clear nighttime visibility. You want parts that fit the vehicle precisely, provide consistent beam pattern, and hold up to road vibration and moisture. This guide shortlists the top headlight assemblies for the Acura TSX so you can focus on options that meet fitment and performance needs. We evaluated assemblies for fit accuracy, beam output and pattern, construction quality, and ease of installation to help you pick the right replacement. Read on for practical guidance before you inspect specific products.
Looking for other parts? See all Acura TSX parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | JSBOYAT Headlight Assembly Pair for 2009–2014 Acura TSX (Driver & Passenger) |  |
| Most Popular A crowd favorite that many people choose with confidence | AJP Distributors Headlight Assembly Pair for 2004–2008 Acura TSX (Factory Style) |  |
| Best Quality Built to a higher standard if you want something more solid | CarLights360 Headlight Assembly Pair for Acura TSX (2006–2008) |  |
| Best Budget The cheapest option that still gets the job done reliably | LBRST Headlight Assembly for 2004–2005 Acura TSX (Pair) |  |
| Most Sold A high-volume bestseller chosen again and again | ALLIGATOR AUTO LIGHTS Headlight Assembly Pair for Acura TSX 2004–2005 (HID, Without Bulbs) |  |
| Best Value for Money The sweet spot between price and what you get | SOCKIR Projector Headlight Assembly Pair for 2009–2014 Acura TSX (Factory HID/Ballast Model) |  |
| Best Overall The best all-around choice for most situations | TYC Right Headlight Assembly for 2009–2014 Acura TSX |  |
1. JSBOYAT Headlight Assembly Pair for 2009–2014 Acura TSX (Driver & Passenger)
| Vehicle fit | 2009–2014 Acura TSX |
|---|---|
| High beam bulb | 9005 |
| Low beam bulb | D2S |
| Signal/side marker bulb | 7528 |
| Assembly sold | Driver & Passenger pair |
These JSBOYAT headlight assemblies are a vehicle-specific replacement for the 2009–2014 Acura TSX, sold as a matching driver and passenger pair. They provide direct bolt-on fitment and are intended for plug-and-play installation with factory-style mounting so you can swap both units without body modification. The housings use OEM-grade polycarbonate and a sealed design rated for weather resistance, with internal chrome reflectors and micro-prism elements to improve light throw and visibility. The units accept standard high and low beam bulbs and signal bulbs but do not include bulbs or ballasts, so plan to reuse existing D2S ballasts or purchase them separately. Practical benefits include refreshed optics and a like-new appearance plus enhanced reflectivity for night driving. Limitations are that you must verify fitment for your TSX, the package omits bulbs and ballasts, and professional installation is recommended for alignment and electrical hookup to ensure correct beam aim.
Best for: A reliability-focused buyer who wants a durable, factory-quality replacement pair to restore optics and performance on a 2009–2014 Acura TSX with minimal fuss and long-term weather resistance.
Less Ideal for: Drivers looking for a complete plug-and-play HID kit or those who want upgraded lighting components included out of the box should consider alternatives that bundle bulbs and ballasts.
- Direct bolt-on fitment designed for 2009–2014 Acura TSX for a straightforward replacement
- Factory-style sealed polycarbonate housing offers weather resistance and improved durability
- Internal micro-prism reflectors and chrome finish enhance light reflectivity and night visibility
- Does not include bulbs or D2S ballasts so additional purchases may be required
- Requires headlight adjustment after installation to correct beam aim
Verdict A practical, factory-style pair of replacements that restore appearance and reflectivity for reliability-minded Acura TSX owners, but bulbs and ballasts are not included.
2. AJP Distributors Headlight Assembly Pair for 2004–2008 Acura TSX (Factory Style)
| Compatible Models | 2004-2008 Acura TSX (CL9) |
|---|---|
| Set | Pair (LH & RH) |
| Lens Material | Glass |
| Special Feature | Waterproof |
These headlight assemblies are a direct, plug-and-play replacement for the 2004–2008 Acura TSX, supplied as a matched left and right pair. They reuse factory bumper mounting tabs and are designed to match the original look while improving illumination through updated reflectors and housings. Typical use is a bolt-on swap when the original lenses are cracked, faded, or damaged; bulbs and ballasts are not included so you must transfer existing bulbs or buy replacements. Notable features include waterproof housings, clear glass lenses with chrome reflectors, and a vehicle-specific fit that avoids major modifications. Practical benefits are improved nighttime visibility and an OEM-style appearance at lower cost than dealer parts. Important limitations: ballast mounting differs from factory so HID setups may require relocating the ballast, and some buyers report needing extra sealing to ensure long-term weatherproofing. Installation guidance is not provided, so a convenience-minded buyer should plan for professional or experienced DIY installation.
Best for: Convenience-driven buyers who want a straightforward, factory-style replacement to quickly restore the TSX’s headlight function and appearance with minimal modification.
Less Ideal for: Buyers seeking a plug-and-play HID solution or a fully weather-sealed premium assembly without additional sealing or modification should look at other options.
- Direct bolt-on pair that reuses factory mounting points for a near-OEM fit
- Waterproof housing and clear glass lens provide improved illumination and durability
- Chrome reflectors and factory-style design restore vehicle appearance
- Sold as a complete left and right set so both sides match visually
- Bulbs and ballasts are not included so additional purchases or transfers are required
- OEM-style ballast will not fit the provided mounting and may need relocation
- No installation guide included, which can complicate fitment for inexperienced installers
Verdict A cost-effective, factory-style replacement for TSX owners who want an easy visual and functional restore, but expect to source bulbs and address ballast mounting and sealing separately.
3. CarLights360 Headlight Assembly Pair for Acura TSX (2006–2008)
| Wattage | 70 watts |
|---|---|
| Lens Material | Polycarbonate |
| Safety Rating | DOT Certified |
| Automotive Fit Type | Vehicle Specific Fit |
This CarLights360 headlight assembly pair is a direct aftermarket replacement for the Acura TSX (2006–2008) that installs in place of the factory units to restore front lighting performance and appearance. Sold as a driver and passenger set, the assemblies are DOT and SAE compliant and built with clear polycarbonate lenses and waterproof sealing for durability in wet conditions. Typical use is a full lamp replacement after damage or aging when you want a factory-style look without sourcing original parts. The listing highlights Partslink and OEM cross-reference numbers to help confirm fitment, and the assemblies arrive factory sealed ready for bolt-in installation with basic hand tools. Expect a roughly two-hour DIY install if you follow online guidance. Limitations are that this is an aftermarket product rather than a factory-made unit, so subtle fit or finish differences and mounting clip variations are possible, and any required bulb or ballast hardware for HID setups may need to be transferred from the original assemblies.
Best for: Performance-oriented buyers who want a high-quality factory-style replacement to restore appearance and lighting function on an Acura TSX while prioritizing reliability and on-road performance.
Less Ideal for: Buyers seeking an exact factory-manufactured part or those who need plug-and-play HID hardware included should consider sourcing OEM originals or kits that include bulbs and ballasts.
- Sold as a matched driver and passenger pair for consistent appearance
- DOT and SAE compliant for street-legal use
- Waterproof construction and polycarbonate lens for durability
- Includes OEM/Partslink cross-reference numbers for easier fit verification
- Aftermarket unit so fit or finish may differ slightly from factory parts
- May require transferring bulbs, ballasts, or mounting hardware from original assemblies
Verdict A durable, DOT-compliant aftermarket headlight pair that restores factory-style lighting for the Acura TSX with a focus on performance and durability.
4. LBRST Headlight Assembly for 2004–2005 Acura TSX (Pair)
| Fitment Years | 2004-2005 |
|---|---|
| Low Beam Bulb Type | HID D2S |
| High Beam Bulb Type | Halogen H1 |
| Lens Material | Glass |
These LBRST headlight assemblies replace both driver and passenger front lamps on a 2004–2005 Acura TSX and are intended as a budget-friendly factory-style replacement. They use a projector low beam (HID D2S) with halogen high beam (H1) and separate sockets for turn and parking lamps, so they match the car's original lighting layout while updating appearance with black housings. The lenses are described as OEM-grade glass with a robust back shell and factory-style sealing to resist yellowing and moisture; packaging and pre-shipment seal checks reduce risk of shipping damage. Installation is a direct bolt-on fit but the listing warns there is no installation guide and suggests professional installation or consulting videos, which is sensible if you are not comfortable with headlight alignment and bulb types. Expect factory-like illumination and a refreshed look at a lower price than dealer parts, but plan for possible minor adjustments during installation and to source compatible bulbs and ballast if upgrading or replacing HID components.
Best for: Budget-conscious Acura TSX owners who want a factory-style replacement to restore appearance and visibility without paying dealer prices.
Less Ideal for: Buyers seeking plug-and-play swap with included instructions or those who prefer aftermarket headlights with integrated modern LED systems should consider alternatives.
- Direct vehicle-specific fit for 2004–2005 Acura TSX, replacing both left and right assemblies
- Projector low beam (HID D2S) and separate high beam/turn/parking sockets match factory electrical layout
- OEM-grade lens and reinforced back shell claim improved resistance to yellowing and impact
- Pre-shipment seal checks and reinforced packaging reduce chance of arriving damaged
- No installation instructions included so DIY installers may need to find external guidance or professional help
- Uses mixed bulb types which may require sourcing or replacing HID ballast or bulbs separately
Verdict A cost-effective, direct-fit pair that restores factory-style lighting and looks for 2004–2005 Acura TSX owners who prioritize value over turnkey modern upgrades.
5. ALLIGATOR AUTO LIGHTS Headlight Assembly Pair for Acura TSX 2004–2005 (HID, Without Bulbs)
| Fitment | 2004–2005 Acura TSX Sedan |
|---|---|
| Headlamp Type | HID/Xenon (without bulb) |
| Compliance | DOT & SAE compliant |
| Special Features | Dustproof, Waterproof |
These headlight assemblies replace both left and right HID units on a 2004–2005 Acura TSX and are designed for direct, plug-and-play installation. They use factory-style mounting and a matching harness so you can swap the complete assemblies into the original locations without cutting or splicing wires. The housings are DOT and SAE compliant and feature chrome reflectors and UV-protected plastic lenses to resist fading and environmental wear. That makes them a practical choice for restoring appearance and beam alignment after collision damage or severe aging. The product ships without bulbs, so you will need to reuse your existing xenon bulbs or purchase replacements separately. Fitment is vehicle-specific, but buyers should still allow time for adjustment and verification of headlight aim after installation. Expect improved visual freshness compared with weathered originals, though longevity depends on correct installation and headlight bulb condition.
Best for: A risk-averse mainstream buyer seeking a like-for-like, factory-quality replacement to restore fit, finish, and legal compliance on a 2004–2005 Acura TSX without experimenting with modified wiring or custom parts.
Less Ideal for: Buyers who want a complete lighting upgrade with bulbs, projectors, or nonstock styling should look for full kits that include lamps and hardware rather than this assembly-only pair.
- Vehicle-specific design for 2004–2005 Acura TSX for straightforward replacement
- Plug-and-play OE-style harness and mounting for minimal wiring or modification
- DOT and SAE compliance for meeting safety and legal standards
- UV-protected plastic lens and chromed housing to resist fading and restore appearance
- Does not include HID/xenon bulbs so bulbs must be sourced separately
- Limited to 2004–2005 TSX fitment and not suitable for other models
Verdict A direct-fit, DOT-compliant headlight pair that restores factory appearance and mounting for 2004–2005 Acura TSX owners but requires separate HID bulbs.
6. SOCKIR Projector Headlight Assembly Pair for 2009–2014 Acura TSX (Factory HID/Ballast Model)
| Fitment | 2009-2014 Acura TSX (Factory HID model) |
|---|---|
| Low Beam Type | D2S (not included) |
| High Beam Type | 9005 (not included) |
| Lens Material | Polycarbonate |
| Special Feature | Waterproof |
These SOCKIR projector headlight assemblies replace the factory HID/Xenon housings on 2009–2014 Acura TSX models and are supplied as a driver and passenger pair. They are intended as a plug-and-play body replacement for the plastic assembly only, so installers typically transfer existing bulbs, ballasts, wiring, and covers before fitting. Notable features include sealed, waterproof construction with one-way vents, polycarbonate impact-resistant lenses, and metal parabolic reflectors to improve beam output and distribution. In real-world use the lights restore a clear, newer appearance to aging TSX units and give a wider, smoother beam when used with appropriate HID bulbs. Expect straightforward bolt-on installation if you keep original electrical components, but be prepared to reuse bulbs and harness parts since bulbs, caps, and ballast components are not included. Build quality appears solid for the price and the assemblies meet common DOT/SAE claims, though long-term durability depends on installation quality and proper sealing during transfer of existing parts.
Best for: Practical optimizers who want a cost-effective, factory-style replacement to refresh worn TSX headlights without buying new bulbs or full lighting kits and who prioritize fitment and appearance over receiving ancillary parts.
Less Ideal for: Buyers who want a complete plug-and-play HID solution out of the box or those unwilling to handle or pay for professional installation and parts transfer should consider alternatives.
- Vehicle-specific direct-fit design for 2009–2014 Acura TSX factory HID models
- Sealed, waterproof construction with one-way vents to resist moisture and dust
- Polycarbonate lenses and impact-resistant shell for improved durability
- Metal parabolic reflectors designed to increase light output and beam uniformity
- Product ships as the plastic assembly only so bulbs, ballast, harnesses, and covers are not included
- Installation may require a mechanic if you need to transfer or adapt existing HID components
Verdict A practical, direct-fit replacement that refreshes TSX HID headlight assemblies at a budget-friendly price if you can reuse existing bulbs and components.
7. TYC Right Headlight Assembly for 2009–2014 Acura TSX
| Vehicle fit | 2009–2014 Acura TSX |
|---|---|
| Position | Right |
| Special Feature | Waterproof |
| Lens material | Plastic |
| Manufacturer part number | 20-9069-01 |
This TYC right headlight assembly is a direct-fit replacement for the 2009–2014 Acura TSX that restores the vehicle's original lighting function and appearance. It installs in place of the factory unit using the same mounting points and harness style for a straightforward swap that avoids major wiring changes. The assembly includes factory-style lens and housing materials and a special lens coating to resist hazing, which helps maintain beam clarity over time. It meets DOT and SAE photometric standards for safe on-road illumination and has been tested for durability and cycling. Practical benefits include accurate fitment, reduced chance of alignment headaches, and a finished look that matches the vehicle exterior. Limitations are that it does not include HID ballast or bulbs, so owners replacing fogged or damaged assemblies with HID systems will need to reuse their existing components or buy compatible bulbs and hardware separately. Installation can be time-consuming on this TSX and may require bumper removal and reuse of some factory covers and clips.
Best for: A balanced all-round buyer who wants a reliable, factory-quality replacement that restores original fit, finish, and lighting performance without chasing the lowest price.
Less Ideal for: Drivers who want a complete HID upgrade kit or a plug-and-play lamp set with bulbs and ballasts included should consider other options that bundle those components.
- Direct-fit design uses factory mounting points for a precise installation
- Lens coating resists hazing to preserve illumination and appearance
- Meets DOT/SAE standards for photometric and safety compliance
- Waterproof construction and durability testing for long service life
- Does not include HID ballast or bulbs, requiring reuse or separate purchase
- Installation on the TSX can be time-consuming and may require bumper removal
Verdict A durable, factory-quality right headlight assembly that restores fit and performance on 2009–2014 Acura TSX but requires separate HID components if needed.
Choosing the Right Acura TSX Headlight Assembly: Key Factors to Consider
Fitment and Mounting Points
Correct fitment ensures the assembly attaches securely and aligns with factory mounting points. Mismatched mounting holes or connector types can require drilling, brackets, or wiring changes, which add time and potential failure points.
A good fit also affects headlight aim and beam pattern. If the assembly does not match the vehicle's adjuster geometry, achieving proper alignment can be difficult, increasing glare for other drivers or reducing your visibility.
Beam Pattern and Light Output
The beam pattern determines where light is directed on the road and how much glare is produced for oncoming traffic. Look for assemblies that support the correct bulb type and maintain the factory beam cutoff and spread.
Consistent light output across low and high beams helps with depth perception and peripheral visibility. Lens shape and reflector quality both influence how effectively the bulb’s light is focused and distributed.
Housing Materials and Sealing
Housing construction affects longevity and resistance to road conditions. Durable plastics and reinforced mounting areas withstand vibration and minor impacts better than thin, brittle housings.
Sealing quality is critical to prevent moisture ingress and condensation, which can fog the lens and corrode internal components. Check for continuous seals, proper drain paths, and a design that resists UV-related degradation of the lens.
Compatibility With Bulb Types
Different assemblies are designed around specific bulb technologies, such as halogen or LED-compatible housings. Using a bulb type the assembly does not support can lead to poor beam shape, overheating, or electrical issues.
Confirm the intended bulb base and wattage, and whether additional adapters or relays are needed for alternative bulb types. Compatibility affects both performance and electrical load on the vehicle’s wiring.
Adjustability and Aiming
Easily adjustable headlight assemblies make it simple to restore proper aim after installation or after a suspension change. Clear, accessible adjusters reduce installation time and ensure you can fine-tune vertical and horizontal aim.
Limited or hard-to-access adjusters can mean repeated trips to a shop for alignment, or correctly aimed lights may not be achievable, compromising visibility and legality.
Installation Complexity
Installation difficulty affects how practical a replacement is if you plan to install it yourself. Assemblies that allow access to bulbs without removing the entire unit, use common fasteners, and have clear connector interfaces are faster to fit.
Consider whether special tools, wiring knowledge, or trimming of adjacent panels are required. Lower complexity reduces the chance of installation errors that could affect sealing, alignment, or electrical connections.
FAQ
How do I know if the Acura TSX headlight assembly needs replacement?
You may need a new assembly if the lens is severely cloudy, cracked, or the housing leaks moisture that causes persistent fogging. Other signs include loose mounting points, damaged adjusters, or inconsistent beam output even after bulb checks and alignment.
Can I replace just the headlight lens instead of the entire assembly?
Lens replacement or restoration can work for minor yellowing or surface haze, but it may not solve issues with cracked housings, broken mounts, or internal moisture. If the seal or internal components are compromised, replacing the full assembly is usually more reliable.
Will switching bulb types affect the headlight assembly performance?
Yes. Assemblies are designed for specific bulb types and optics, so changing to a different technology can alter the beam pattern and create glare or uneven output. If you plan to use an alternate bulb, confirm the assembly supports that bulb and whether additional wiring or adapters are needed.
How important is a proper aim after installing a new headlight assembly?
Proper aim is essential for effective illumination and to avoid blinding other drivers. After installation, adjust vertical and horizontal aim to factory specifications or local regulations. Simple misalignment can significantly reduce forward visibility and legal compliance.
What maintenance keeps a headlight assembly in good condition?
Regularly clean the exterior lens, check seals for cracks, and inspect mounting points for looseness. Address small chips or seal failures quickly to prevent moisture entry and lens deterioration. Periodic aim checks also ensure consistent beam performance.
How We Chose the Best Acura TSX Headlight Assembly
We prioritized fitment accuracy, optical performance, durability, and installation clarity when selecting the shortlist of headlight assemblies for the Acura TSX. Fitment accuracy covers correct mounting points, connector compatibility, and alignment adjuster placement so the assembly integrates with the vehicle without modification. Optical performance includes beam pattern consistency, light output relative to the intended bulb type, and lens clarity that affects nighttime visibility. Durability factors include housing construction, seal quality against moisture and dust, and resistance to vibration and UV-related lens yellowing. We also considered how straightforward each assembly is to install, including access to bulbs and whether common tools suffice. Exclusions: we excluded assemblies that required extensive vehicle modification, had unclear fitment specifications, or lacked documented moisture-sealing. The final choices reflect these measurable criteria rather than brand popularity or price alone.
Our full evaluation process is outlined in our review methodology.
Conclusion
When replacing a headlight assembly for the Acura TSX, prioritize proper fitment, beam pattern, and durable sealing to ensure reliable nighttime visibility and long-term performance. Balance compatibility with the bulb type you intend to use and pick an assembly with accessible adjusters to simplify aiming. Remember that tradeoffs exist between ease of installation and long-term durability. Choose an assembly that minimizes modifications while delivering the optical characteristics and sealing required for safe, consistent operation.
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