Partsam 3.5" Amber LED Watermelon Marker & Turn Signal Lights — 2-Pack Low-Profile Glass Lens, Aluminum Base, IP65

Partsam 3.5-inch amber watermelon LED marker lights are low-profile, glass-lens turn signal and marker lamps built for 10–30V vehicles, offering bright visibility and corrosion-resistant aluminum bases.

These two amber LED watermelon lights combine a clear glass lens with a compact aluminum alloy housing to deliver a sharp, starburst illumination pattern for turn signals and marker use. The low-profile design fits tight mounting locations, while the IP65 rating helps protect the lights from water, dust, and road debris. They come pre-wired with three conductors for ground, low-brightness marker mode, and high-brightness turn mode for straightforward hardwired installation.

How bright are these lights and what pattern do they produce?

The built-in high-powered LEDs emit a focused, starburst-style beam that improves visibility compared with standard incandescent markers. The clear glass lens maximizes light transmission so the amber output appears intense and crisp even in daylight conditions.

• High-powered LEDs for strong lumen output
• Clear glass lens enhances light transmission
• Starburst beam pattern for improved recognition

Will they survive harsh road and weather conditions?

The housing uses an aluminum alloy base for better heat dissipation and corrosion resistance, while an IP65 rating shields internal components from rain, dust, and splashing water. This construction helps the lights hold up on trucks, pickups, and off-road rigs exposed to salt, mud, and vibration.

• Aluminum alloy base resists corrosion and aids cooling
• IP65 waterproof rating protects against rain and dust
• Durable glass lens resists scratching and yellowing

How are these lights wired and where can I mount them?

The lights come with three wires: white for ground, black for low-brightness marker operation, and red for high-brightness turn signal function. Their low-profile shape allows flexible placement on bumpers, underbeds, behind cab windows, or air cleaner housings where space is limited.

• Three-wire hardwired setup: ground, marker, turn
• Designed for tight-fit mounting locations
• Suitable for bumpers, bedsides, cabs, and trim panels

Which vehicles and applications are these compatible with?

These universal marker/turn lights work across a wide 10–30V range, making them suitable on semi trucks, pickups, classic rigs, and many heavy-duty applications. They can also serve as direct replacements on common makes and models that use similar 3.5-inch marker lights.

• Compatible with 10–30V electrical systems
• Fits semi trucks, pickups, tow rigs, and off-road vehicles
• Works as a replacement for many heavy-truck marker lamps

Who is this for: Drivers, fleet technicians, and DIY truck owners who need compact, durable amber marker and turn lights for tight mounting spaces will appreciate these Partsam watermelon LEDs. They suit anyone upgrading from incandescent markers to an LED solution for brighter visibility, longer life, and improved corrosion resistance on vehicles that demand rugged components.