Standard Motor Products STP351 Self-Solder Heat Shrink Butt Connector 20-18 Gauge

The Standard Motor Products STP351 is a professional-grade self-solder heat shrink butt connector designed for reliable electrical connections in automotive, marine, and industrial applications. This innovative connector eliminates the need for traditional crimping tools, making wire splicing faster and more efficient.

Key Features:

• Self-solder design with integrated solder ring that melts when heated - no crimping tools required
• Constructed with tough multiple-wall polyolefin tubing for superior durability
• Solder and seals each connection in one simple step
• Accommodates 20-18 gauge wire
• Water resistant and weather resistant for outdoor and underhood applications
• Red color-coded for easy wire gauge identification
• Overall length: 1-1/2 inches
• Package quantity: 25 connectors per pack

To use, simply insert the stripped wires into each end of the connector, then apply heat using a standard heat gun. The internal solder ring melts to create a solid electrical connection while the heat shrink tubing contracts to form a waterproof seal. Ideal for automotive wiring repairs, trailer wiring, marine electronics, and any application requiring permanent, sealed wire connections.