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Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

Attwood 65UW03B7 LightArmor™ Underwater Light 4" Blue

Sold out
Original price $369.39 - Original price $369.39
Original price
$369.39
$369.39 - $369.39
Current price $369.39
Availability: Sold out

Free returns on all eligible orders

You have 30 days to request a return. All sale items are final sale.

Illuminate the water with the Attwood LightArmor™ 4" Underwater Light in Blue, built for marine environments with a low-profile, fully-sealed design and corrosion-resistant performance.

Key Features

  • Exclusive Heat-Sync Cooling System with Active Overheat Protection
  • Resistant to corrosion, chemicals, and UV damage
  • Extreme impact-resistant lens
  • 3" sheathed wire
  • Reverse polarity protection
  • Fully-sealed waterproof electronics
  • Low-profile design for cleaner installs
  • Simple installation

Intended Use

  • Marine baitwell/courtesy underwater lighting
  • Yacht, center-console, and offshore auxiliary underwater illumination
  • General-purpose underwater LED lighting (Blue lens)

Product Details

  • Attwood LightArmor™ Underwater Light 4" Blue
  • Model/SKU: 23-65UW03B7
  • Lighting color: Blue
  • Type: Underwater LED light
  • Wiring: 3" sheathed wire
  • Protection: reverse polarity protection
  • Design: fully-sealed waterproof electronics
  • Cooling/thermal: Heat-Sync Cooling System with Active Overheat Protection
  • Lens: extreme impact-resistant lens
  • Form factor: low-profile design

Parts Desk Insights

Best Use Case: Ideal for adding a focused blue underwater glow for baitwell/courtesy-style illumination where corrosion resistance and a sealed electronics design matter.

Common Issues: If the light won’t power on, confirm correct polarity at the connection (the unit includes reverse polarity protection). During installation, ensure the mounting and mating surfaces stay clean and properly seated to maintain the sealed/waterproof performance the design is intended for.

Related Products & Accessories

Shipping information

In-stock and OEM parts: ship same or next business day.

Locally warehoused items: ship within 1-3 business days.

Special-order items: timeline confirmed after order.

Returns & warranty

Returns & Satisfaction Guarantee

We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.

If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.

To qualify for a return:


  • Item must be in new, unused condition

  • Product must be in its original packaging

  • All parts, components, hardware, manuals, and accessories must be included

  • Packaging must be undamaged and suitable for resale

Important:

Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.

We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.

For return authorization, please contact our support team before shipping anything back.

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Easy Exchanges

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