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

Ancor 311499 Marine Grade™ Heat Shrink Ring Terminals, 1/4" Fastener, 16-14 Wire, Blue, 100/Pk

Original price $91.48 - Original price $91.48
Original price
$91.48
$91.48 - $91.48
Current price $91.48
Item locally warehoused

Free returns on all eligible orders

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

Secure, marine-ready ring terminals with adhesive-lined heat shrink insulation designed to seal out moisture and provide strong strain relief for 16–14 AWG wiring.

Key Features

  • Tinned copper conductor for corrosion resistance and reliable electrical contact
  • Adhesive-lined heat shrink tubing shrinks to form a tight seal
  • Helps provide vibration and strain relief for harsh marine environments
  • Blue insulation color for fast wire identification

Intended Use

  • Marine electrical wiring and repairs
  • Boat and accessory wiring connections requiring sealed ring terminals
  • General DC/AC wiring where adhesive-lined heat shrink ring terminals are appropriate

Product Details

  • Product: Ancor 311499 Marine Grade™ Heat Shrink Ring Terminals
  • Fastener size: 1/4"
  • Wire range: 16–14
  • Color: Blue
  • Pack size: 100/Pk
  • SKU/Part number: 639-311499
  • Barcode: 091887313130
  • Note: Heat-activated adhesive flows under pressure when the tubing shrinks to help form a sealed connection.

Parts Desk Insights

Best Use Case: Ideal for making ring-terminal connections on marine wiring runs where you want the insulation sleeve to shrink snugly over the conductor and create a moisture-resistant seal at the connection.

Common Issues: For best results, ensure the wire is properly stripped and fully inserted before heating; apply heat evenly so the adhesive-lined sleeve shrinks uniformly. If the sleeve doesn’t fully seal, moisture intrusion and reduced strain relief can occur.

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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