United Pacific– Ultralit 5 3/4 Inch Crystal Headlight Glass Lens

Ultralit 5 3/4 Inch Crystal Headlight with Glass Lens

Upgrade your lighting with the Ultralit 5 3/4 Inch Crystal Headlight from United Pacific. Designed for improved clarity and durability, this headlight features a crystal clear glass lens paired with an aluminum reflector for focused, reliable illumination. Built with anti-vibration construction, it stands up to demanding road conditions while providing a sharp, consistent beam.

A Sylvania 12V 65/55W halogen bulb comes pre-installed, and the included 9007 to H4/9003 adapter plug makes installation simple. This Ultralit headlight is a direct replacement for sealed beam units and meets DOT/SAE and FMVSS 108 standards for legal on-road use. For maximum brightness, the use of a headlight relay harness is recommended.

Product Features

• Manufacturer: United Pacific
  
• Series: Ultralit
  
• Item Number: 31386
  
• Lens Material: Crystal clear glass
• Reflector: Durable aluminum reflector
• Light Output: High and low beam
• Bulb Type: Pre-installed Sylvania 12V 65/55W halogen
• Construction: Anti-vibration, heavy-duty design
• Compliance: DOT/SAE approved, FMVSS 108 certified
• Compatibility:
  
  Direct replacement for 5-3/4 inch sealed beam headlights
  Works with H4/9003 style connections via included adapter
  
  
• Includes: 9007 to H4/9003 adapter plug
• Recommendation: Use with headlight relay harness for optimal brightness
• Sold individually

Performance and Fit

This Ultralit headlight provides bright, crisp road illumination with a clear glass lens that resists yellowing. The aluminum reflector enhances beam precision, while the anti-vibration construction protects the bulb and internal components. Ideal for classic trucks, custom builds, or sealed beam conversions.

Installation

1. Remove the existing sealed beam headlight.
2. Attach the included 9007 to H4/9003 adapter plug.
3. Install the headlight into the factory housing.
4. Secure the mounting ring and test both high and low beams.

Why You Will Love It

• Crystal glass lens improves clarity and light output
• Reinforced aluminum reflector for durability
• Direct replacement for sealed beam headlights
• DOT/SAE and FMVSS 108 certified
• Pre-installed Sylvania bulb for convenience
• Compatible with relay harness for even greater brightness

Common Questions

• 
  Is the bulb included? Yes, a Sylvania 65/55W halogen bulb is pre-installed.
• 
  Does it replace sealed beams? Yes, it is a direct-fit replacement.
• 
  Is a relay harness required? Not required, but recommended for best output.

⚠️ California Proposition 65 Warning:
This product can expose you to chemicals found in glass, metal, and electrical components, which are known to the State of California to cause cancer and reproductive harm.