Partsam Glass Watermelon Side Marker Turn Signal Lights - Bright Amber

In this review the Partsam Glass Watermelon Lights are evaluated as a heavy-duty, attention-grabbing side marker and turn signal option for semi trucks and utility vehicles. The biggest reason to consider these lights is their super bright LED output paired with a thick sealed glass lens, which creates a starburst-style glow that improves visibility and truck appearance at night. For drivers who want a durable, easily installed amber marker that doubles as a turn signal, these lights deliver a clear practical upgrade.

Key Features

• Super Bright LED: Built-in high-powered LEDs emit a strong starburst pattern to make the vehicle more noticeable in low light and traffic.
• Dual-Function Wiring: Separate ground, low-brightness and high-brightness wires let the light act as both a marker and a turn signal without extra components.
• Sealed Glass Lens: The thick glass lens and metal bezel provide IP65 protection against water, sand, dust and snow for reliable outdoor use.
• Wide Mounting Options: Compact size works on bumpers, air cleaners, marker locations or under glow lights for flexible placement on most heavy trucks.
• Universal Fit: Sold as a pair and intended as a replacement for common makes such as Freightliner, Kenworth and Peterbilt, simplifying upgrades and repairs.

Who It's For

The Partsam Watermelon Lights are best for truck owners, fleet managers and DIY mechanics who need a rugged, bright amber side marker that also functions as a turn signal. They suit drivers who value a distinct light pattern and a heavy glass housing that feels substantial when installed.

These are not aimed at someone seeking low-cost plastic lenses or a multi-color decorative light; buyers who need fully integrated multi-function LED systems with controller electronics or highly specific OEM connectors should look elsewhere.

Pros & Cons

Pros

• Very bright, diffused LED output improves visibility and road presence.
• Solid build with a thick sealed glass lens and metal bezel for durability.
• Easy to wire for combined marker and turn signal operation in common truck setups.

Cons

• Universal wiring requires basic electrical know-how; not a direct plug-in for every vehicle harness.
• Glass lens adds weight and can be less forgiving than plastic if struck.

Specifications

Our Verdict

The Partsam Glass Watermelon Lights are a solid value for truck owners who want a bright, well-built side marker that doubles as a turn signal. Their strong LED output, durable glass lens and simple wiring make them a practical upgrade for many semi trucks, offering improved visibility and a distinctive look without a complicated installation.

Frequently Asked Questions

Are these lights waterproof?
Yes, the sealed glass lens and metal bezel are rated IP65 to resist water, dust and snow in typical road conditions.

Will these replace factory marker lights on Kenworth or Peterbilt?
They are sold as a universal replacement meant to fit most semi trucks including Kenworth and Peterbilt, though basic mounting and wiring adjustments may be required.

How are low and high brightness functions wired?
White is ground, black is low brightness for marker use, and red is high brightness for turn signal operation.