Selected warehouse item: 3/4" 3 LED Penny Light w/Rubber Grommet – Blue/Clear. Original item SKU: 39771. Ships from our Canadian warehouse while stock remains available.
Product Overview
When you need compact size with strong output for accent or auxiliary use, the 3 LED 3/4″ Mini Light delivers dependable performance in a tight footprint.
Unlike basic single-LED mini lights, this model provides:
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3 LED illumination for brighter output
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Sonically sealed moisture protection
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Easy 3/4″ grommet installation
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Long-term durability with 10-year warranty
If you’re searching for 3/4 blue LED marker lights, blue penny lights for trucks, or compact auxiliary LED lights, this mini light is engineered for clean installs and long service life.
Key Features & Benefits
3 High-Intensity Blue LEDs
Equipped with three blue LEDs for improved brightness:
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Bold blue illumination
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Even light distribution
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Energy-efficient LED technology
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Long operational lifespan
Ideal for auxiliary, accent, or custom lighting applications.
Sonically Sealed Polycarbonate Lens
The clear polycarbonate lens is sonically sealed to the housing to prevent:
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Moisture intrusion
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Corrosion
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Road debris damage
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Premature LED failure
Built to perform in harsh weather and vibration-heavy environments.
Compact 3/4″ Grommet Mount Design
Designed for quick and secure installation:
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Requires 3/4″ diameter opening
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Mounts with included rubber grommet
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Perfect for tight mounting areas
A true compact 3/4 mini light solution.
Performance / Compatibility / Use-Case
Auxiliary / Utility Lighting
This blue LED configuration is commonly used for:
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Custom accent lighting
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Show truck applications
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Off-road or auxiliary lighting
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Perimeter styling
⚠️ Always verify local regulations before installing blue lighting on public highways.
12V System Compatible
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Designed for 12V DC systems
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Standard wiring for simple integration
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Suitable for semi-trucks, trailers, RVs, motorcycles, and custom builds
Installation / Fitment / Technical Details
Mounting
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Requires 3/4″ mounting hole
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Includes rubber grommet
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Flush, low-profile installation
Electrical & Build Specifications
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LED Count: 3
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LED Color: Blue
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Lens: Clear Polycarbonate
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Voltage: 12V DC
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Waterproof Rating: Sonically sealed construction
Build Quality / Warranty
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3 high-output LEDs
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Durable polycarbonate lens
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Moisture-resistant housing
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Compact low-profile design
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12V DC compatible
Engineered for long-term reliability and consistent auxiliary performance.
Warranty: 10-year manufacturer warranty.
What’s Included
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1 x 3 LED 3/4″ Mini Light – Blue LED / Clear Lens
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1 x Rubber Grommet
Frequently Asked Questions
Is this light DOT compliant?
Blue lighting is typically intended for auxiliary or show use only. Always confirm local regulations before installing on public roads.
Is this light waterproof?
Yes. The lens is sonically sealed to help prevent moisture intrusion and protect internal electronics.
Will this fit a standard 3/4″ hole?
Yes. It is specifically designed for standard 3/4″ grommet-mount openings.
Can this be used on trailers?
Absolutely. It works on semi-trucks, trailers, and any 12V DC system requiring compact auxiliary lighting.
Is it suitable for bulk installs?
Yes. This model is available in both retail and bulk packaging for fleet or custom projects.

