Reliable Connections
Pre-soldered connectors melt and seal for reliable, corrosion-resistant joints.
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- 14-day easy returns
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- Quality guaranteed
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Why customers love it
Waterproof Splices in Seconds, Built to Last
This heat shrink butt splice connector kit creates durable, waterproof wire connections in seconds, perfect for automotive, marine, and household repairs.
- Pre-soldered connectors melt and seal for reliable, corrosion-resistant joints
- Heat-shrink tubing provides a waterproof, insulated seal around each splice
- Includes assorted color-coded sizes for wire gauges from 26 to 10 AWG
- Works with standard heat guns, lighters, or torches for quick installation
- Ideal for automotive, marine, and household electrical repair projects
Why Choose This Heat Shrink Splice Kit
Waterproof Seal
Heat-shrink tubing provides a waterproof, insulated seal around each splice.
Quick Installation
Works with standard heat guns, lighters, or torches for quick installation.
Versatile Use
Ideal for automotive, marine, and household electrical repair projects.
Setup
Easy Installation in Three Steps
No electrician, no wiring, no fuss.
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Prepare the Wires
Slide the heat-shrink tubing over the wire ends before connecting them.
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Insert and Crimp
Insert the stripped wire ends into the pre-soldered connector and crimp or hold them in place.
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Heat to Seal
Apply heat with a heat gun, lighter, or torch until the solder melts and the tubing shrinks to seal the joint.
Specs
The details that matter
Built to last outdoors, season after season.
- Quantity
- 50, 600, 1200 pcs
- Wire Gauge
- 26 to 10 AWG
- Voltage/Type
- 110V US, 220V EU, 220V AU, Standard
- Product Type
- Heat Shrink Butt Wire Cable Splice Terminal Kit
Comparison
How It Compares
Not all products in this category are built the same.
Feature
SmartPicksWorld
Typical alternative
Connection Method
Pre-soldered ring melts to form a solid electrical joint
Requires separate soldering or crimping steps
Sealing
Heat-shrink tubing provides a waterproof, insulated seal
Often leaves splices exposed to moisture
Installation Tools
Works with standard heat guns, lighters, or torches
May need specialized crimping tools
Corrosion Resistance
Sealed joints resist corrosion
Unsealed connections prone to corrosion
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
How does this heat shrink splice connector create a waterproof connection?
Each connector features a pre-soldered ring that melts when heated, creating a solid electrical joint while the heat-shrink tubing provides insulation and moisture protection.
What wire gauges are supported by this kit?
The kit includes assorted color-coded sizes for wire gauges from 26 to 10 AWG, so you can match the right connector to your wire size.
What tools do I need for installation?
You can use a standard heat gun, lighter, or torch to heat the connector and activate the solder and heat-shrink seal.
Where can I use these connectors?
This kit is ideal for automotive, marine, and household electrical repair projects, including wiring in cars, boats, trailers, and home electronics.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.