Upgrade your lighting with the Fortpro F235546 4" x 6" LED Headlight. Designed for high and low beam functions, this unit delivers up to 535 lumens of crisp 6000-6500K white light. Built with a rugged aluminum housing and crystal lens, it features an IP68 waterproof rating for extreme conditions. DOT/SAE certified and compatible with various Freightliner and Kenworth models, it solves dimming issues while providing a durable, energy-efficient replacement for standard halogen bulbs. Specifications Product Line: Lighting Category Name: Freightliner Headlights Part Type: Headlight Alternate Part Name: Headlight, Headlight Assembly, Headlamp Assembly Application Type: Semi-Trucks, Heavy Duty Trucks Mounting Position: Suitable For Both Sides Housing Color: Chrome Housing Material: Aluminum Lens Color: Clear Lens Material: Crystal Bulb Qty: 5 High Beam Bulb Type: 535LM Light Source Type: LED Low Beam Bulb Type: 345LM Operating Voltage: 9 V - 32V Regulatory Compliance: DOT, SAE Socket Type: H4 Color Temperature: 6000-6500 K Lighting Function: High/Low Beam/Reflector Intended Application Compatible with various brands and models / Fits Various Freightliner, Western Star, Peterbilt & Kenworth Models. Always compare with your OEM part number prior to purchase to confirm full compatibility. Cross-references 571.LD4X6W5HL, 571LD4X6W5HL