Thomletha Honda Civic Headlight Assembly Pair 2016-2020 Black Housing Halogen with DRL, Direct-Fit LH+RH

Thomletha replacement headlight assemblies for the 2016–2020 Honda Civic are direct-fit halogen units with built-in DRL in a black housing, sold as a left and right pair.

These two-piece headlamp assemblies are designed to replace worn or damaged original lamps on Civic sedans and coupes from model years 2016 through 2020. Constructed with ABS housings and clear polycarbonate lenses, they recreate factory appearance while restoring reliable illumination for everyday driving. Each set corresponds to part numbers HO2503173 and HO2502173 and arrives ready for bolt-in installation without modification.

How do these headlamps fit my 2016–2020 Honda Civic?

Thomletha units are built as direct replacements for the factory assemblies on Civic models from 2016 to 2020. They match the original mounting points, electrical connector types, and overall dimensions so you can swap them in with standard tools. No cutting, splicing, or special adapters are required for most stock vehicles.

• Direct-fit for Honda Civic 2016, 2017, 2018, 2019, 2020
• Correct mounting tabs and alignment points
• Compatible with existing wiring harness and bulb types
• Pair includes left (LH) and right (RH) assemblies

What lighting performance and materials should I expect?

These assemblies use halogen bulbs for low and high beams with a daytime running light (DRL) integrated into the housing. The lamp bodies are molded from durable ABS plastic while the clear lenses are polished to deliver a clean beam pattern. The construction emphasizes weather resistance and consistent light transmission for improved visibility in normal driving conditions.

• ABS plastic housing for impact and weather resistance
• Clear, polished lens for focused light output
• Halogen beam configuration with integrated DRL
• Manufactured under quality control standards

How straightforward is installation and maintenance?

Installation is intentionally simple: these headlights are designed for manual replacement using common tools. The bolt-on design and matching connectors let most DIYers or mechanics complete the swap quickly, typically without electrical modifications. Routine maintenance is limited to keeping lenses clean and checking bulbs periodically.

• Manual, bolt-on installation—no special tools required
• Plug-and-play electrical connections for stock harnesses
• Easy access to bulbs for replacements
• Recommended: check alignment after installation

Who is this for? Drivers who need a reliable, factory-style headlight replacement for a 2016–2020 Honda Civic will find this Thomletha LH and RH set a practical option. It suits vehicle owners repairing collision damage, replacing fogged or cracked lenses, or restoring original lighting performance without aftermarket wiring or body changes. Professional installers and experienced DIYers will appreciate the match-to-original fit and straightforward swap-in process.