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Upgrading or replacing a headlight assembly on a 2017-2023 Subaru Impreza affects more than just looks. The right headlight assembly restores safe nighttime visibility, ensures proper beam aim, and prevents moisture or electrical problems that can lead to premature failure. Whether you need a direct replacement after damage or want a longer-lasting option, selecting the correct assembly for your Impreza model year is crucial.This guide shortlists the top headlight assemblies for the 2017-2023 Subaru Impreza, focusing on fitment accuracy, beam performance, durability, and installation practicality. Below you will find our top picks and clear explanations of why each criterion matters, plus practical advice for choosing and installing the right assembly for your vehicle.
Looking for other parts? See all Subaru Impreza parts & accessories.
Top Picks at a Glance
1. KarParts360 Headlight Assembly Pair for 2018–2023 Subaru Crosstrek (Driver & Passenger)
| Light Source | Halogen |
|---|---|
| Voltage | 12 volts |
| Auto Part Position | Front |
| Automotive Fit Type | Vehicle Specific Fit |
| DOT/SAE | Compliant |
These KarParts360 headlight assemblies replace the factory front units on compatible Crosstrek models and come as a driver and passenger pair with bulbs included. Built for street use, they are halogen-based, DOT and SAE compliant, and designed to match the original mounting points for a direct-fit installation. The housings are described as waterproof and made from durable materials, which helps resist road moisture and typical wear. Typical use is straightforward: remove the damaged factory units and swap in the replacement pair without major wiring changes. Practical benefits include restoring proper beam aim and visibility, maintaining the vehicle appearance, and avoiding headlight-related inspection issues. Limitations are that these are aftermarket replacements rather than factory-brand parts, so finish and long-term UV clarity may vary from an OEM unit, and the product uses halogen lighting rather than brighter LED technology. Buyers should confirm the partslink or OEM numbers match their vehicle before purchase to ensure correct fitment.
Best for: Buyers who want a balanced, cost-effective replacement that restores factory fit and function without upgrading to aftermarket lighting technologies.
Less Ideal for: Someone seeking the highest-end appearance or maximum brightness from LED conversions should look at purpose-built LED assemblies or OEM upgrade options instead.
- Vehicle-specific direct-replacement design for easier installation
- DOT and SAE compliant for legal on-road use
- Pair includes both driver and passenger assemblies with bulbs
- Waterproof housing to resist moisture and road exposure
- Designed to match OEM mounting points for proper fit and beam aim
- Aftermarket part so finish quality and long-term clarity may differ from factory parts
- Halogen light source rather than LED for lower energy efficiency and brightness
Verdict: A practical vehicle-specific halogen headlight pair that restores factory fit and road-legal performance for 2018–2023 Subaru Crosstrek owners.
2. JSBOYAT Headlight Assembly Pair for 2017–2022 Subaru Impreza (Halogen, Black Bezel)
| Light Source | Halogen |
|---|---|
| Additional Features | Dustproof, Shockproof, Waterproof |
| Auto Part Position | Front |
| Lens Material | Polycarbonate |
| Automotive Fit Type | Vehicle Specific Fit |
These JSBOYAT headlight assemblies replace the factory halogen units on 2017–2022 Subaru Impreza models and are built to be a straightforward upgrade without rewiring or mounting changes. They use proprietary reflector optics and AI-optimized beam distribution to produce a reported 40% increase in effective brightness versus comparable replacements, which helps illuminate farther and wider on dark or wet roads. Construction is focused on durability with polycarbonate lenses, anti-UV coating, ABS housings, and an IP67 seal to resist moisture and dust for reliable performance in poor weather. The units are vehicle-specific fit and come as a pair; bulbs are not included, so you reuse factory bulbs or choose replacements that match the specified sockets. Install is marketed as a 30-minute plug-and-play swap, which keeps labor minimal. Limitations: these are halogen assemblies only and do not support HID systems, and achieving the claimed brightness requires selecting appropriate high-quality bulbs since they are sold without bulbs.
Best for: Buyers who prioritize clearer, farther night visibility and want a direct, no-modification replacement that improves beam pattern and weather resilience while keeping installation simple.
Less Ideal for: Drivers seeking a true HID or LED conversion or a plug-and-play kit that includes upgraded bulbs and drivers should look at dedicated HID or LED assemblies instead.
- Direct-fit design for 2017–2022 Subaru Impreza for straightforward installation without splicing or adapters
- Optics engineered for wider, farther beam distribution to improve nighttime visibility
- IP67-rated, polycarbonate lens and anti-UV coating for weather and UV resistance
- Vehicle-specific halogen fit that matches factory connectors and mounting points
- Bulbs are not included so buyers must source compatible H11/HB3/7444NA/168 bulbs separately
Verdict: If you want a reliable, plug-and-play halogen upgrade that improves nighttime visibility and withstands wet conditions on 2017–2022 Subaru Impreza, this pair is a focused choice.
3. WFLNHB Driver Side Headlight Assembly Replacement for Subaru Impreza/Crosstrek 2017-2019
| Light Source | Halogen |
|---|---|
| Automotive Fit Type | Vehicle Specific Fit |
| Auto Part Position | Front |
| Additional Features | High Beam |
| Lens Material | Plastic |
This WFLNHB headlight assembly replaces the left front halogen headlamp on Subaru Impreza and Crosstrek models from 2017 to 2019 and is intended as a vehicle-specific replacement. It provides a clear polycarbonate lens and black housing that reproduce the factory beam pattern using halogen bulbs (bulbs not included). Installation is plug-and-play with no modification required, so it is suitable for a quick repair or restoration of a damaged factory unit. The housing is made from ABS-style material and the manufacturer emphasizes quality control and a solid internal support structure for durability and vibration resistance. Practical benefits include straightforward fitment, a restored headlight appearance, and a factory-like light distribution for everyday driving. Limitations are that it ships as a single driver-side unit, does not include bulbs, and uses halogen technology rather than upgraded LED or projector options, so it is a repair-focused replacement rather than a performance or styling upgrade.
Best for: Buyers who want a practical, no-fuss factory-style replacement to restore appearance and function quickly without upgrades or custom work.
Less Ideal for: Drivers seeking a brighter, modern LED conversion or a matched pair included in one purchase should look for upgraded or dual-kit options instead.
- Vehicle-specific fit for 2017–2019 Subaru Impreza and Crosstrek driver side for straightforward replacement
- Plug-and-play installation that uses the existing wiring harness with no modifications
- Clear polycarbonate lens and factory-like beam pattern for reliable night visibility
- Durable ABS-style housing and internal support structure aimed at long service life
- Bulbs are not included so you must purchase halogen bulbs separately
- Single driver-side unit only; passenger side must be purchased separately if needed
- Uses halogen light source rather than brighter LED or projector options
Verdict: If you need a dependable, factory-style driver-side replacement to get a 2017–2019 Subaru Impreza or Crosstrek back on the road quickly, this is a solid practical choice.
4. WFLNHB Right Front Halogen Headlight Assembly for Subaru Impreza/Crosstrek (2017–2019)
| Light Source | Halogen |
|---|---|
| Additional Features | High Beam |
| Wattage | 60 watts |
| Auto Part Position | Front |
This WFLNHB headlight assembly replaces the right front halogen unit on compatible 2017–2019 Subaru Impreza Hatchback/Wagon and Crosstrek models. It is sold as the lens and housing only, so you reuse the original bulb and wiring harness for a straightforward swap. Constructed from ABS plastic with a clear lens and chrome housing, the assembly is intended as a manual direct replacement and is commonly used to restore a damaged or fogged factory unit without paying dealer prices. The listing notes a recommended professional install, which is sensible if you need to realign the beam or handle mounting clips. Practical benefits include simple fitment for the specified models and preservation of your existing halogen bulb and connectors. Limitations are that the bulb and installation manual are not included, and the product is specific to hatchback/wagon and Crosstrek body styles rather than sedans, so verify exact model fit before buying.
Best for: Buyers replacing a damaged or faded right front headlight on qualifying 2017–2019 Impreza hatchback/wagon or Crosstrek who prioritize a low-cost, like-for-like repair and plan to reuse existing bulbs and connectors.
Less Ideal for: Drivers who want a complete plug-and-play unit with new bulbs or who need fitment for sedan body styles should look at other options.
- Direct-replacement design for targeted 2017–2019 Impreza and Crosstrek configurations
- Uses factory halogen bulbs and connectors so no rewiring required
- ABS plastic housing with clear lens gives a factory-style appearance
- Packaged as housing and lens only which keeps cost lower than full assemblies with bulbs
- Does not include the bulb or installation manual
- Not compatible with sedan 3-door/4-door body styles
Verdict: A budget-friendly, factory-style replacement right headlight for 2017–2019 Impreza hatchback/wagon and Crosstrek owners who want to restore function while reusing their original halogen bulb.
5. JSBOYAT Headlight Assembly Pair for 2017-2022 Subaru Impreza, Black Bezel, Halogen
| Light Source | Halogen |
|---|---|
| Additional Features | Dustproof, Shockproof, Waterproof |
| Auto Part Position | Front Left |
| Lens Material | Polycarbonate |
These JSBOYAT headlight assemblies are a direct-fit halogen replacement for 2017-2022 Subaru Impreza models and arrive as a matched left/right pair. They use polycarbonate lenses and an ABS housing with an IP67 rating, so they are built to resist water, dust, and road vibration; the listing also notes lab-tested beam distribution and connector compatibility so installation is intended to be plug-and-play without wiring changes. Bulbs for high and low beam are included, and the manufacturer claims a significant brightness improvement via optimized reflectors, which should help visibility in poor weather or on dark roads. Practical benefits include easier DIY installation in about 30 minutes, tougher lenses and anti-UV coating to limit yellowing, and a factory-style fit that keeps mounting and electrical interfaces unchanged. Limitations to consider are that these are halogen assemblies only and do not fit HID systems, and some advanced lighting features found on higher trims may not be supported.
Best for: Buyers who prioritize a dependable, factory-style replacement that installs quickly and holds up to weather and road-use without electrical modifications.
Less Ideal for: Drivers seeking OEM adaptive lighting, HID or LED retrofits, or those who want factory advanced features beyond standard halogen performance.
- Direct-fit design that matches factory mounts and connectors for plug-and-play installation
- IP67-rated construction with polycarbonate lens and anti-UV coating for durability against moisture and yellowing
- Includes halogen bulbs for high and low beams so the assembly is ready to install
- Manufacturer reports lab-tested reflector optics and improved beam distribution for better nighttime visibility
- Not compatible with HID-equipped models
- Turn signal and side marker bulbs are not included
Verdict: A rugged, plug-and-play halogen headlight pair that delivers a factory-style fit and improved nighttime visibility for 2017-2022 Impreza owners focused on reliable, weather-resistant replacements.
6. Garage-Pro Headlight Assembly for Subaru Impreza 2017–2023, Driver Side
| Light Source | Halogen |
|---|---|
| Auto Part Position | Left |
| Automotive Fit Type | Vehicle Specific Fit |
| Lens Material | Polycarbonate |
This Garage-Pro headlight is a vehicle-specific replacement for the left (driver) side of Subaru Impreza models within the 2017–2023 range. It ships with halogen bulbs installed and uses a polycarbonate lens and CAD-designed housing to provide a near-factory fit and optical alignment. Typical use is a straight swap for a damaged or fogged stock headlight; installation is intended to be straightforward for DIYers or independent shops because the unit mirrors factory mounting points. The assembly lists OEM-equivalent part numbers and claims quality testing and temperature resistance, which should help with long-term durability compared with cheaper generic housings. Limitations are that it is a halogen assembly rather than LED, so you will not get the brighter, whiter output or efficiency of LED upgrades, and buyers wanting an exact factory-branded part may prefer an original factory unit. For someone seeking a reliable, tested replacement that restores proper beam pattern and fit, this offers a practical balance of performance and value.
Best for: Buyers who prioritize a tested, plug-and-play replacement that restores factory fit and beam alignment without needing upgrades or electrical modifications.
Less Ideal for: Drivers who want the increased brightness and efficiency of LED conversions or those seeking an original factory-branded unit for exact match and warranty continuity.
- Vehicle-specific direct-fit design matches factory mounting points for easier installation
- Includes halogen bulb(s) so the assembly is ready to install out of the box
- Polycarbonate lens and reported quality testing improve durability and weather resistance
- Lists OEM-equivalent part numbers for straightforward parts lookup and compatibility
- Uses halogen light source rather than more modern LED technology
Verdict: Choose this if you want a tested, direct-fit left-side halogen headlight that restores factory fit and function for 2017–2023 Subaru Impreza models.
7. TRQ 2-Piece Headlight Assembly Set for 2017–2023 Subaru Impreza (Halogen)
| Light Source | Halogen |
|---|---|
| Wattage | 110 watts |
| Bulb Type | 9005 |
| Auto Part Position | Left, Right |
| Lens Material | Polycarbonate |
This TRQ headlight assembly set replaces both driver and passenger halogen headlights on 2017–2023 Subaru Impreza sedans that came with halogen lighting. Each assembly arrives preassembled with clear polycarbonate lenses and is built as a vehicle-specific replacement to match factory mounting points, which simplifies installation and minimizes trimming or modification. The assemblies use 9005 bulbs and a 110-watt halogen light source, delivering familiar warm halogen output and beam pattern for everyday driving. TRQ highlights included installation videos and claims reduced condensation thanks to a sealed lens design, which helps long-term clarity. The practical benefits are straightforward: you get a matched pair that restores proper alignment and appearance while avoiding the guesswork of mixed-brand single replacements. Limitations are inherent to the halogen platform here — brightness and color temperature lag behind modern HID or LED options, and owners seeking whiter or brighter lighting will need an aftermarket bulb or a different assembly type. Overall, this is a conservative, factory-style replacement that prioritizes fit and ease of swap for routine repairs.
Best for: Buyers who want a conservative, low-risk replacement that restores factory-style appearance and function with minimal installation fuss and predictable compatibility.
Less Ideal for: Drivers prioritizing maximum nighttime visibility or a modern white light look should consider LED or HID upgrade options instead.
- Vehicle-specific direct-fit design for 2017–2023 Subaru Impreza sedans with halogen headlights reduces installation time
- Preassembled assemblies include clear polycarbonate lenses for durability and impact resistance
- Matched pair restores uniform appearance and alignment across both sides
- Uses common 9005 halogen bulbs so replacements are inexpensive and widely available
- Includes access to step-by-step installation videos to guide DIY fitting
- Halogen light output is noticeably dimmer and warmer than LED or HID alternatives
Verdict: A straightforward, factory-style two-piece halogen headlight replacement that restores fit, appearance, and reliable function for 2017–2023 Subaru Impreza sedans.
Choosing the Right 2017-2023 Subaru Impreza Headlight Assembly: Key Factors to Consider
Fitment and Mounting
Correct fitment ensures the assembly aligns with the Impreza's factory mounting points and bumper openings. An assembly that does not match mounting tabs or screw locations can require modifications that affect installation time and long-term stability.
Proper fitment also affects headlight aim. If the housing sits even slightly off, the beam pattern can misalign, causing glare for other drivers or reduced road illumination. Confirming the assembly is listed specifically for 2017-2023 Subaru Impreza and matches your vehicle's configuration prevents these problems.
Beam Pattern and Light Output
A headlight's beam pattern and lumen output determine how well you see at night and in poor weather. Assemblies should provide a defined cutoff and appropriate spread to illuminate road edges without blinding oncoming traffic.
Check whether the assembly is designed for the Impreza's reflector or projector setup and whether it accommodates your existing bulb type. Different lens geometry or reflector shapes change the effective output even with the same bulb, so look for assemblies that preserve or improve usable light on the road.
Bulb Compatibility and Electrical Fit
Matching bulb type and socket orientation avoids splicing or adapter use. Assemblies that accept the factory bulb type let you reuse your existing bulbs or upgraded bulbs without rewiring.
Electrical compatibility also covers integrated features like level sensors or daytime running light circuits. Assemblies that require minimal or no modification to the Impreza's wiring harness reduce installation complexity and the risk of electrical faults.
Lens and Housing Durability
Lens material and housing seals determine how the assembly weathers UV exposure, road debris, and moisture. Polycarbonate lenses are common and perform well when they include UV-resistant coatings; poor coatings can lead to yellowing and reduced light transmission over time.
Housing construction, drain paths, and gasket quality influence long-term water resistance. Assemblies with robust seals and venting reduce fogging and corrosion risk to internal components, maintaining performance for more miles.
Adjustability and Aiming
Easily adjustable aim points let you align the beam correctly after installation or after suspension changes. Assemblies with accessible adjustment screws and clearly marked aim points simplify achieving the correct vertical and horizontal alignment.
Some assemblies require a separate aiming procedure or tools; understanding what the Impreza needs for proper aim helps avoid improper alignment that could compromise safety or lead to failing vehicle inspections.
Installation Complexity and Serviceability
Consider how much of the front bumper or surrounding trim must be removed for installation. Assemblies that allow access through the engine bay reduce labor time compared with those that require bumper removal.
Serviceability includes replaceable bulbs, accessible seals, and whether the assembly can be repaired if the lens chips. Choosing an assembly that fits your comfort level for DIY work or local shop labor helps manage installation cost and future maintenance.
Understanding Factory Versus Aftermarket Assemblies
For the 2017-2023 Subaru Impreza, assemblies are offered in both factory-spec and aftermarket designs. Factory-spec style assemblies aim to mirror the original beam pattern, mounting points, and bulb interfaces, which simplifies replacement and preserves the intended performance.
Aftermarket assemblies may offer alternative lens shapes, integrated LED elements, or enhanced styling. While these can improve aesthetics or light output, confirm that any aftermarket design maintains proper beam cutoff and fits the Impreza mounting geometry to avoid legal or safety issues.
- Factory-style assemblies: close match to original performance and fit
- Aftermarket variants: potential styling or performance changes, verify beam compliance
- Always check listed compatibility for the 2017-2023 Impreza to avoid fitment surprises
Bulb Types and Upgrades for the Impreza
Know the bulb type your Impreza uses for low and high beams and whether the assembly accepts halogen, HID, or LED sources. Some assemblies are built for a particular bulb type and may not accommodate an alternate light source without new housings or wiring.
Upgrading to LED may increase efficiency and longevity, but it can change beam placement if the LED retrofit is not tailored to the headlight reflector or projector. Always prioritize assemblies that explicitly list compatible bulb types to avoid glare and meet visibility expectations.
- Confirm low/high beam socket types before purchasing
- LED retrofits should match the reflector or projector geometry
- Check if assemblies require additional resistors or adapters for daytime running lights
Common Installation Considerations
Replacing a headlight assembly on an Impreza often involves removing fasteners and, in some configurations, partial bumper or trim removal. Knowing whether the assembly can be accessed through the engine bay or requires more disassembly helps plan time and tools.
Inspect mounting tabs, wiring connectors, and aiming adjusters before finalizing an install. Test electrical connections and aim the beams on a level surface to ensure the new assembly performs correctly before completing reassembly.
- Have basic hand tools and a vehicle jack if needed for access
- Label connectors during removal to prevent wiring mistakes
- Aim beams after installation to meet road lighting standards
Maintenance and Preventing Lens Degradation
Regular maintenance keeps a headlight assembly performing longer. Clean the lens with nonabrasive cleaners and inspect seals for any sign of leakage. Parking in shade and applying UV-protective coatings can slow yellowing of polycarbonate lenses.
If condensation appears inside the housing, address seals and vents immediately to prevent corrosion of reflectors or bulb sockets. Replacing degraded assemblies sooner maintains consistent light output and reduces the chance of electrical issues.
- Clean lenses gently and periodically inspect seals
- Address condensation quickly to avoid internal damage
- Consider UV-safe coatings to extend lens clarity
Legal and Inspection Considerations
Ensure the chosen assembly meets local regulations for beam pattern, brightness, and color temperature. Assemblies that alter beam cutoff or throw can cause inspection failures or generate complaints from other drivers.
If your area requires DOT or similar certification, prefer assemblies that explicitly state compliance. Proper aiming and bulb selection are as important as the housing itself when it comes to meeting inspection standards.
- Verify DOT or regional compliance where required
- Avoid excessively blue or high-temperature bulbs that can fail inspection
- Aim lights correctly to prevent glare and meet regulations
Still looking for the perfect fit?
Select your Subaru Impreza configuration to see the most relevant Headlight Assemblies recommendations
How We Chose the Best 2017-2023 Subaru Impreza Headlight Assembly
We evaluated headlight assemblies for the 2017-2023 Subaru Impreza using criteria that matter to everyday owners and DIY installers. Primary factors included fitment accuracy and direct mounting compatibility with the Impreza's headlight mounts and electrical connectors. We prioritized assemblies that maintain correct beam aim and meet DOT standards for beam pattern and cutoff to ensure legal and safe operation.Durability was a key filter, including lens material and seal quality to resist UV yellowing, fogging, and water intrusion. Light output and bulb compatibility were assessed to ensure assemblies support the factory bulb types or common LED retrofits without causing overheating or glare. Ease of installation and whether the assembly requires major wiring changes or headlight module adaptation were also considered.We excluded units that required extensive vehicle modification, nonstandard wiring harnesses, or offered ambiguous fitment claims for Impreza model years. Units lacking clear sealing, with known lens aging issues, or without specified bulb type support were not included. The result is a focused list of well-fitting, durable assemblies that balance performance and practicality for Impreza owners.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know which headlight assembly fits my 2017-2023 Impreza?
Check the assembly listing for explicit compatibility with 2017-2023 Subaru Impreza and verify mounting points and connector types against your vehicle. Compare bulb types and any model-year trim differences to ensure a direct fit.
Can I swap to LED headlight assemblies on my Impreza?
You can switch to LED assemblies if they are designed for the Impreza's housing and provide the correct beam pattern. Retrofit LED bulbs in an incompatible housing can create glare, so use assemblies or conversion kits that specify compatibility with your Impreza.
What should I do if the new assembly has condensation inside?
Condensation usually indicates a compromised seal or blocked vent. Remove the assembly, dry it thoroughly, inspect and replace seals or vents as needed, and ensure proper reinstallation to restore water resistance.
Do I need to re-aim my headlights after replacing the assembly?
Yes. Even properly fitting assemblies can require aim adjustment to align the beam cutoff and pattern. Aim the lights on a level surface following the vehicle's aiming procedure to ensure safe and legal illumination.
Will a replacement assembly use my existing bulbs?
Many direct-replacement assemblies accept the factory bulb types and allow reuse of your existing bulbs. Confirm the listed bulb types for the assembly before assuming compatibility to avoid needing adapters.
How long do headlight assembly lenses typically last on the Impreza?
Lens longevity depends on materials and exposure, but well-made assemblies with UV protection often stay clear for several years. Regular cleaning and protection from sun exposure help extend service life.
Final Verdict
Focus your decision on fitment accuracy, beam performance, and long-term sealing when choosing a headlight assembly for a 2017-2023 Subaru Impreza. Prioritize assemblies that accept the correct bulb types and offer accessible aiming mechanisms to ensure proper alignment and legal beam patterns.Weigh the tradeoffs between a direct factory-style replacement and aftermarket options that alter styling or light output. Choose the option that minimizes modifications, preserves safe nighttime visibility, and fits your installation comfort level so you can drive confidently after the swap.
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