Socket-Indexed Housing Design

This LED headlight bulb series is built around OE-matched base geometries for H11/H8/H9, 9005, and H4/9003 applications. Each variant uses a keyed base that aligns with the corresponding factory socket to maintain correct orientation within the lamp housing. The body construction uses aluminum heat-sink components, with passive or active cooling depending on base type. Operating voltage is 12V, consistent with standard automotive lighting circuits.

Electrical Path and Thermal Layout

Each bulb connects directly to the vehicle wiring harness through a base-matched OE-style plug. Power is supplied by the vehicle’s 12V lighting circuit, with current draw determined by the selected base variant. Thermal management varies by design, including fanless heat-sink bodies for select bases and an internal fan layout on H4/9003 configurations. Light output is generated by a 6000K LED source across all variants.

Installation and Handling Process

Installation follows standard front lamp bulb replacement procedures. After switching off the lamp circuit, the original bulb is removed and the LED bulb is inserted by aligning the base tabs with the factory bulb interface. The bulb is rotated until seated, and rear cover clearance should be verified before closing the housing. When not installed, bulbs should be stored in the original packaging to limit exposure to dust and debris.

Product Benefits:

• Bulb Fitment: Matches factory bulb interfaces for H11/H8/H9, 9005, and H4/9003 front lighting positions.
• Electrical Supply: Operates on standard 12V vehicle lighting circuits using base-matched connectors.
• Thermal Layout: Uses passive heat-sink or internal fan cooling depending on bulb base configuration.
• Housing Clearance: Dimensions are sized to align with common headlamp and fog lamp enclosures.
• Storage Handling: Package size and component weight allow straightforward storage when not installed.

Specification:

• Material: Aluminum heat-sink housing
• Bulb Dimensions: H11/H8/H9 (3.1 × 1.6 inches); 9005 (3.3 × 1.7 inches); H4/9003 (3.4 × 1.7 inches) length × diameter
• Color Temperature: 6000K (all variants)
  
• Operating Voltage: 12V automotive system
  
• Light Output: H11/H8/H9 5,000 lumens per bulb; 9005 5,500 lumens per bulb; H4/9003 6,000 lumens per bulb.
• Operating Life: Up to 30,000–50,000 hours (usage-dependent)
• Connection Type: OE-style base-matched connector
• Placement or Use Area: Front headlamp or fog lamp housings where the specified bulb type is required