Universal H4 Car Halogen Bulb Socket Power Adapter Plug

Premium Copper Wiring
– High-conductivity tinned copper ensures stable current flow, reducing voltage drop and overheating risks for long-term durability.
Heat-Resistant Housing
– Engineered with high-grade PBT plastic to withstand extreme engine temperatures (up to 120°C) without deformation or melting.
Precision Molded Contacts
– Gold-plated terminals prevent corrosion and maintain optimal electrical connectivity for brighter, flicker-free lighting.
OEM-Grade Compatibility
– Direct plug-and-play replacement for H4 halogen bulbs, seamlessly fitting most vehicles (cars, trucks, motorcycles).
Reinforced Strain Relief
– Dual-layer silicone insulation and crimped connectors protect against wire fraying and vibration damage.
Effortless DIY Installation
– Color-coded wires and compact design simplify upgrades or repairs—no splicing required.
Ideal for Off-Road & Daily Use
– Perfect for headlight retrofits, fog light kits, or auxiliary lighting in harsh conditions.
Bulk Order Advantage
– Wholesale pricing available for auto shops, resellers, and fleet managers. Stock up on reliable, cost-effective solutions.