Heavy Duty Ceramic H4 Wiring Harness Headlight Socket
Premium ceramic construction ensures superior heat resistance and durability, outperforming standard plastic plugs. High-conductivity terminals provide stable power delivery for brighter, flicker-free lighting. Reinforced wiring with thick-gauge copper enhances current flow, preventing voltage drops in demanding conditions. Ideal for cars, trucks, boats, and marine fog lights—built to withstand moisture and vibrations. Precision-molded PA housing offers crack-proof insulation and a snug, waterproof fit. Direct plug-and-play installation with OEM-grade connectors—no modifications needed. Engineered for high-wattage applications, ensuring long-term reliability for off-road, towing, or extended nighttime use. Bulk pricing available for fleet upgrades or resale.