Skip to content
Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

Ancor 309001 Marine Grade™ Heat Shrink Butt Connectors, 22-18 AWG, Red, 250/Pk

Original price $204.03 - Original price $204.03
Original price
$204.03
$204.03 - $204.03
Current price $204.03
Item locally warehoused

Free returns on all eligible orders

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

Ancor Marine Grade™ heat shrink butt connectors provide a reliable, corrosion-resistant splice with adhesive-lined heat shrink for a tight, sealed connection.

Key Features

  • • Marine Grade™ heat shrink butt connectors for splicing 22–18 AWG wire
  • • Red color coding for quick identification
  • • Tinned copper helps support current flow and resists corrosion
  • • Adhesive-lined heat shrink tubing shrinks to form a tight seal
  • • Designed to help provide vibration and strain relief
  • • 250-piece jar with flip lid for easy dispensing and storage

Intended Use

  • • Marine and boat wiring repairs
  • • Wiring harness splices and in-line repairs
  • • Moisture-exposed electrical connections where a sealed splice is desired
  • • General electrical splicing of 22–18 AWG marine-grade wire (when used with appropriate crimping and heat-shrink technique)

Product Details

  • • Brand/Series: Ancor Marine Grade™
  • • Part Number/SKU: 309001 (SKU: 639-309001)
  • • Wire Range: 22–18 AWG
  • • Connector Color: Red
  • • Quantity: 250 pieces per pack
  • • Packaging: Reusable 250 piece clear jar with flip lid
  • • Construction/Performance Notes: Tinned copper; adhesive lined heat shrink tubing that shrinks to form a tight seal

Parts Desk Insights

Best Use Case: Use for sealed butt-splice connections on 22–18 AWG marine wire when you want a crimped splice covered by adhesive-lined heat shrink for moisture and strain/vibration relief.

Common Issues: Most common results come down to installation: make sure the wires are stripped to the correct length for a solid mechanical crimp, crimp squarely (don’t under-crimp or over-crimp), and apply heat evenly so the adhesive-lined sleeve fully shrinks and seals around both sides.

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.

Free Shipping

When you spend $150 or more

Here to Help

Get in touch with us

Store Pickup

Pick up your order yourself, for free

Easy Exchanges

Return or exchange within 30 days