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

Ancor 316903 Marine Grade® Heat Shrink Disconnects, 22-18 Male, Red, 3/pk

Original price $10.63 - Original price $10.63
Original price
$10.63
$10.63 - $10.63
Current price $10.63
Item locally warehoused

Free returns on all eligible orders

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

Create clean, vibration-resistant wire connections with Ancor Marine Grade® adhesive-lined heat shrink disconnects. This 3-pack is for 22–18 AWG wire with a .250 tab size, in a red male configuration for fast, durable installations.

Key Features

  • Marine Grade® adhesive-lined heat shrink disconnects for wire-to-wire connections
  • Tinned copper construction helps support reliable current flow and corrosion resistance
  • Heat-activated adhesive in the sleeve forms a tight seal after shrink-down
  • Designed for vibration and strain relief in harsh environments
  • Color-coded red for easy circuit identification
  • .250 tab size for 22–18 AWG (22–18 male) applications

Intended Use

  • Marine and marine-adjacent wiring projects
  • Boat, RV, and trailer electrical systems
  • General 12V/24V DC wiring where vibration and moisture protection matter
  • Any application requiring an adhesive-lined heat shrink disconnect for 22–18 AWG with a .250 tab size

Product Details

  • Brand/Series: Ancor Marine Grade®
  • Product: Heat Shrink Disconnects (adhesive lined)
  • Part number/SKU: 316903 (store SKU: 639-316903)
  • Gender/terminal type: Male
  • Wire range: 22–18 AWG
  • Tab size: .250
  • Color: Red
  • Quantity: 3 per pack
  • Connection construction: Tinned copper for corrosion resistance and maximum current flow
  • Insulation/seal: Adhesive lined heat shrink tubing that shrinks to form a tight seal and provides vibration/strain relief

Parts Desk Insights

Best Use Case: Ideal for marine electrical runs where you want a sealed, strain-relieved disconnect connection that holds up to vibration and exposure.

Common Issues: For best results, make sure you crimp the disconnect correctly for the 22–18 AWG range, overlap/seat the connection fully in the sleeve, and shrink evenly so the adhesive is activated through the entire join. Also confirm the .250 tab size matches your mating terminals before assembly.

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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