WOZOBUY Waterproof Heat-Shrink Wire Connectors SST21 AWG 22–18 Solder-Seal Butt Splice Terminals

Create reliable, sealed electrical connections with these waterproof heat-shrink wire connectors designed for automotive, marine, and general wiring projects. Featuring a tinned solder-seal core and durable heat-shrink sleeve, these connectors fuse wire ends together for strong electrical continuity and moisture resistance. Ideal for anyone working with AWG 22–18 wiring, this splice solution simplifies connections while protecting against corrosion and environmental exposure. Whether you’re tightening up a car harness or repairing outdoor electronics, these connectors deliver secure results.

Structured Product Sheet

Key Features

• Waterproof heat-shrink wire connectors with built-in solder seal for dependable joints

• Suitable for AWG 22–18 wire gauges commonly used in automotive and electronics wiring

• Tinned solder core melts to form a solid electrical bond inside the splice

• Heat-shrink sleeve shrinks tight and blocks moisture, dirt, and corrosion

• Quick, reliable splice solution for professional and DIY wiring

Why Choose Our Heat-Shrink Wire Connectors

Unlike simple crimp-only connectors, these heat-shrink connectors combine solder and shrink protection in one component to improve both electrical and environmental performance. This dual-action design beefs up connection strength and longevity, helping prevent failure in harsh conditions.

Perfect For (Occasions & Uses)

Automotive wiring repairs, marine electrics, outdoor lighting, garden equipment, motorcycles, trailers, RVs, and any wiring project where water resistance and solid joints matter.

Product Specs

• Connector Type: Butt splice

• Wire Size Range: AWG 22–18

• Seal: Waterproof heat-shrink with solder core

Strong, Sealed Connections Every Time

Achieve moisture-resistant, electrically solid splices with these versatile connectors built for performance and durability.