This blue step down heat shrink butt connector is built for secure, OEM-grade splicing between dissimilar wire gauges. Engineered to connect 2218 AWG to 1614 AWG wiring, it features a polyolefin heat shrink sleeve with adhesive lining that forms a waterproof, corrosion-resistant seal when heated. Ideal for use in automotive, marine, trailer, and equipment wiring systems where vibration and moisture protection are critical.

Specifications & Features

• Wire Range: 2218 AWG to 1614 AWG
• Connector Type: Step down butt connector
• Insulation: Heat-shrinkable polyolefin tubing with adhesive lining
• Color Code: Blue
• Clear tubing allows full visibility of wire insertion and crimp engagement
• Seals and protects against water, salt, and corrosion in high-moisture environments
• Improved tensile strength compared to vinyl or nylon connectors
• Suitable for field service, OEM harnesses, and retrofit repairs