For Challenger MT645D MT655D MT665D LED Headlight Combo High/Low Beam Bulbs Kits
MT645D–MT685D. Dual Beam Function: Fully replaces the original high/low halogen beam. LED Headlight Bulbs – Replace AGCO 3405186M1 / 405186M1 (12V 60/55W). Beam Type: Hi/Lo dual-beam. This product is an LED upgrade designed to replace the original AGCO part number 3405186M1 / 405186M1 used in many agricultural tractors.