United Pacific – Ultralit 4 x 6 Crystal Rectangular Headlight Glass Lens High Beam

Ultralit 4 x 6 Crystal Rectangular Headlight with Glass Lens – High Beam

The Ultralit 4 x 6 Crystal Rectangular High Beam Headlight from United Pacific delivers sharp illumination with a durable, crystal clear design. Built with a reinforced aluminum reflector and a premium glass front lens, this headlight provides excellent visibility and long-lasting performance. The pre-installed Sylvania 12V 65/55W 9007 halogen bulb offers bright, focused high-beam output suitable for highway and off-road use.

This Ultralit module is a direct replacement for sealed beam headlights H4651 and H4656. It is DOT/SAE approved, FMVSS 108 compliant, and includes a 9007 to H4651 adapter plug (item #34208) for easy installation.

Product Features

• Manufacturer: United Pacific
• Series: Ultralit
• Item Number: 31390
• Lens Material: Crystal clear glass
• Reflector: Reinforced aluminum reflector
• Beam Type: High beam only
• Bulb: Pre-installed Sylvania 12V 65/55W 9007 halogen
• Compatibility: Direct replacement for sealed beam H4651 / H4656 Works with OE 4 x 6 rectangular headlight housings
• Certification: DOT/SAE approved, FMVSS 108 compliant
• Adapter Included: 9007 to H4651 plug (item #34208)
• Construction: Rugged and vibration resistant
• Sold individually

Performance and Fit

The Ultralit high beam headlight is engineered to deliver crisp long-distance illumination with its upgraded reflector and glass lens. The halogen bulb is protected by a stable, vibration-resistant structure to maintain performance over time. Installation is straightforward with the included adapter plug.

• 1987-2010 Freightliner FLD
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• 1986-1997 Kenworth T600A
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• 1987-2016 Peterbilt 320
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• 1986-1988 Peterbilt 359
• 1981-2005 Peterbilt 362
• 1988-1999 Peterbilt 377
• 1986-1999 Peterbilt 378
• 1987-2007 Peterbilt 379

Installation

1. Remove the existing sealed beam high beam headlight.
2. Connect the included 9007 to H4651 adapter plug.
3. Insert the Ultralit headlight into the housing.
4. Secure the unit and test the beam for proper operation.

Why You Will Love It

• Crystal clear glass lens for enhanced clarity
• Rugged reflector and housing for long lasting performance
• Direct replacement for H4651/H4656 sealed beam headlights
• DOT/SAE and FMVSS 108 certified
• Includes adapter plug for quick installation
• High beam module delivers strong forward visibility

Common Questions

• Is this high beam only? Yes, this module is high beam only.
• Is the bulb included? Yes, a Sylvania 9007 bulb is pre-installed.
• Does it replace sealed beams? Yes, it is a direct replacement for H4651 and H4656.

⚠️ 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.