Black Halogen Headlights Assembly Compatible With Freightliner Columbia2004-2017 Pair

When your Freightliner Columbia's headlights start to fade, yellow, or fail entirely, keeping your rig road-legal and your visibility sharp is non-negotiable. This black halogen headlight assembly pair is purpose-built for 2004-2017 Freightliner Columbia trucks, delivering a direct-fit, no-modification replacement that gets you back on the road faster. Compatibility: This headlight assembly pair is engineered specifically for the 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, and 2017 Freightliner Columbia. Both the driver-side (left) and passenger-side (right) units are included in this listing, so you can restore your full lighting system in a single purchase. Always verify your truck's year and trim before ordering. If you operate a fleet of Columbia tractors, this pair format simplifies bulk restocking and keeps spare inventory lean. Not compatible with Freightliner Cascadia, Century, or other Freightliner models — fit is Columbia-specific. Key Benefits: • Direct OEM-style replacement — mounts to factory bolt locations with no drilling, cutting, or bracket fabrication required • Black housing delivers a clean, aggressive appearance compared to faded OEM chrome or yellowed stock lenses • Halogen bulb technology provides reliable, widely available, and cost-effective illumination on long-haul night runs • Sold as a complete pair — both driver and passenger assemblies included, saving you from mismatched lighting or a second order • Plug-and-play wiring harness connectors mate directly with Columbia factory wiring for a clean, vibration-resistant connection • Sealed lens housing resists moisture intrusion and road debris, protecting bulbs and reflectors in all-weather commercial use Technical Specs: • Bulb type: Halogen (H7 or H4 — verify your specific Columbia wiring harness configuration prior to installation) • Housing color: Matte black ABS plastic • Lens material: Clear polycarbonate • Included: 1x Driver-side assembly, 1x Passenger-side assembly • Voltage: 12V DC (standard commercial truck system) • Mounting: Direct bolt-on to factory Freightliner Columbia headlight mounting points • IP rating: Weather-sealed lens-to-housing seal for moisture and dust resistance • Approximate unit dimensions: Consistent with OEM Freightliner Columbia headlight envelope (verify fitment before installation) Materials & Build Quality: The housing on these assemblies is constructed from high-impact ABS plastic, the same class of thermoplastic used across commercial truck lighting because it resists cracking under the vibration cycles and road shock that destroy lesser materials. The outer lens is formed from optical-grade polycarbonate, which transmits more usable light than standard acrylic and resists UV yellowing better than cheaper alternatives over years of sun exposure. Inside, the parabolic reflector is precision-formed and coated to maximize throw and spread from a standard halogen filament, directing light efficiently onto the road rather than scattering it uselessly. The sealed gasket between the lens and housing keeps moisture, road spray, and diesel soot from reaching the bulb and reflector interior — a common failure point on aging OEM assemblies that have seen years of highway miles. Every joint and seal point is designed to handle the thermal cycling of a commercial engine bay, where under-hood temperatures swing dramatically between cold winter mornings and fully-loaded summer hauls. Installation Guide: Installing these headlight assemblies on your Freightliner Columbia is a straightforward job that most experienced truck owner-operators or fleet mechanics can complete in under an hour per side with basic hand tools. Begin by parking the truck on a level surface, setting the parking brake, and disconnecting the negative battery terminal to eliminate any risk of electrical shorts. Open the hood and locate the headlight mounting hardware — typically three to four hex-head bolts securing each assembly to the cab mounting bracket. Using the appropriate socket, remove the bolts and carefully pull the old assembly forward to access the wiring harness connector at the rear. Depress the connector locking tab and disconnect the plug from the old assembly. Inspect the factory wiring connector for corrosion or damage — clean terminals with electrical contact cleaner if needed before proceeding. Unbox the new assembly and confirm the correct side (driver vs. passenger) before connecting. Plug the factory harness connector firmly into the new assembly until you hear or feel it click locked. Guide the assembly into the mounting pocket, aligning the bolt holes, and hand-thread the mounting bolts before torquing to snug (do not overtighten into plastic). Repeat on the opposite side. Reconnect the battery, power on the truck, and verify both low-beam and high-beam functions operate correctly. Adjust aim per FMCSA headlight aim regulations if needed using the vertical and horizontal adjustment screws on the assembly. What's in the Box: • 1x Driver-side (left) black halogen headlight assembly • 1x Passenger-side (right) black halogen headlight assembly • Hardware and mounting fasteners (verify package contents upon receipt) Why Shop With Us: We source commercial truck lighting from verified suppliers who serve the North American heavy-duty aftermarket. Every order ships with tracking so your dispatcher or fleet manager knows exactly when parts will arrive. Our 30-day defect warranty means that if an assembly arrives damaged or fails on arrival, we make it right — no runaround. We stock parts designed to meet the demands of working fleets, not weekend show trucks, so you can trust these assemblies to hold up on real miles across real roads. Ready to restore full forward visibility on your Freightliner Columbia? Add this black halogen headlight assembly pair to your cart today and get your rig running safely and legally — on the road where it belongs.