Ancor 22-18 Heatshrink Butt Connectors - 25-Pack

The Ancor 22-18 Heatshrink Butt Connectors in this 25-pack are the marine-grade electrical solution every serious angler and boater needs in their tackle box. After decades running boats from freshwater lakes to coastal marshes, I've learned that corroded or loose electrical connections are the silent killers of engine reliability and safety on the water. These butt connectors provide a waterproof, sealed splice that keeps moisture, salt spray, and vibration from degrading your boat's wiring harness—whether you're connecting gauge wires for your fishfinder, installing additional LED lighting, or repairing a frayed circuit.

What sets Ancor's design apart is the cross-linked polyolefin tubing construction, which outperforms standard PVC tubing in durability and heat resistance—it won't burn or degrade when exposed to engine compartment temperatures or direct sunlight over extended seasons. The heat-activated adhesive lining inside each connector creates an impervious seal that's resistant to corrosion, fuel, and moisture penetration, critical when your electrical system is exposed to spray and humidity. Simply strip your 22-18 gauge wires, insert both ends into the connector, and apply gentle heat with a heat gun or lighter until the tubing shrinks around the joint—the adhesive bonds chemically to create a connection that's stronger than the wire itself.

These connectors are ideal for marine electrical repairs, custom wiring installations on bass boats and center consoles, and emergency splice jobs when you're miles from the marina. The 25-pack quantity means you'll have spares for multiple projects and future repairs without running short mid-installation. Use them for instrument cluster repairs, bilge pump wiring, navigation light circuits, or any 22-18 gauge marine application where a sealed, reliable connection is non-negotiable. Professional boat electricians and DIY boaters alike trust Ancor's marine-rated components because they're engineered to survive the corrosive marine environment where standard electrical connectors fail.