50pcs Solder Seal Wire Connector Kit

: In stock

Regular price $11.99


About this item

  • Easy to identify and operate - Different colors correspond to different sizes, easy to pick up for use. A transparent sleeve provides precise inspection when stripping and inserting wires inside.
  • More Effective Way -1 Step solder and seal process for all your connections, insulated and sealed.
  • Waterproof: Unique double-wall design, external polyolefin pipe, built-in hot melt adhesive. When heated, the polyolefin tube shrinks in size, and the adhesive flows through the insulation. Double-wall tubing ensures a watertight seal to prevent wire corrosion
  • No-Slip Wire Contact - Tubing reduces in size and solder will melt and flow through the stripped wires, ensuring strong holding --- your wire will never slip out of the connector. Can be ideally used in marine and automobile applications
  • Package include: 50 pcs Solder Seal Wire Connector, 23 pcs Red, 12pcs Blue, 10pcs White, 5 pcs Yellow

Waterproof Solder Seal Wire Connectors

Nilight solder seal wire connector kit


  • Shrinkage Ratio 2:1.
  • An Easy One-Step Wire Connections.
  • Easy Identification: Color-coded connector tubing.
  • Polyolefin heat shrink butt connectors improved pullout strength.
  • High-quality wire connectors in Seal, Strain Relief, Cable Chick, and Insulation.
  • Melted solder ensures wires are strongly connected and avoids wires slipping out from the terminal.
  • Red Connectors: 23pcs
  • Blue Connectors:12pcs
  • White Connectors: 10pcs
  • Yellow Connectors: 5 pcs
  • Item Weight: 1.6 ounces
  • Product Dimensions: 4.13 x 2.76 x 0.98 inches


NIlight Solder Seal Wire Connectors


Solder and hot melt adhesive inside can be perfectly Waterproof. The connectors can prevent wires from corrosion. The transparent sleeve of the butt connectors provides Visual Inspection. --- You can control the operating temperature and heating time.

NIlight Shrinking Ratio: 2:1 Of Solder Seal Wire Connectors

Shrinking Ratio: 2:1

Comply with all relevant European standards; Shrinking ratio: 2:1. Durable Nylon + Brass; 3 colors (Red+Blue+Yellow)make it easy to identify the right side of the connector. Prevents the wire from shorting out, a perfect connection for the wire.

Nilight Wire Connectors

Apply Heat

Apply heat while continuously rotating the wire to make the connector evenly heated.

Minimum Shrink Temperature: 80℃.

Minimum Temperature for Solder to Melt:138℃.

How to use

Electric wires

Prepare the electric wires

Put the two ends of the wire which was stripped off together and twist them.


Insert the 2 wires into the connector

Move the connector to the middle of the two-wire, align the tin ring to the uncovered wire.

Apply heat Solder Seal Wire Connectors

Apply heat

Use a heat air gun until it is melted in size and the adhesive flows, filling gaps within the terminal.


No crimping required

No crimping is needed, very easy to use!

All Orders gets free standard delivery.

  • Standard delivered 7-10 Business Days
  • Express delivered 3-7 Business Days
  • For the 2023 holiday season, eligible items purchased between November 1 and December 31, 2023 can be returned until January 31, 2024

  • Orders are processed and delivered Monday-Friday (excluding public holidays)

    all customers enjoy free returns.

    Proposition 65 Warning for California Consumers

    WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to www.P65Warnings.ca.gov/passenger-vehicle

    WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    50pcs Solder Seal Wire Connector Kit

    Regular price $11.99

    Customer Reviews

    Based on 21 reviews
    Sylvester Moen
    Good deal

    Good deal

    Doris Dibbert
    Exactly as advertised

    Very easy to use, very durable, and waterproof just like they said. I would definitely recommend this to others and i will be buying more. I use them on so many different applications. Thank you for a quality product

    Sage Christiansen
    Easy to use

    Works great and waterproof

    Destiney Barton

    very easy to use

    Angeline Eichmann
    Me parese bien util

    Me agrado para los cables del carro

    Kiera Collier
    Watch the sizes

    pay attention to the sizes, the 50piece kit is the size of a credit card, looks much bigger in the photo.

    Marisol Weber
    Good Seals

    Great to have on hand.

    Edwardo Towne
    Easy install and good quality

    I really like the product. Very easy to install with out have any instructions enclosed. Looks like it would be weatherproof but wont know due to it being installed on wiring for car stereo

    Cecilia Mante
    Easy to apply

    GREAT seller to do business with. HIGHLY recommend

    Filomena Rodriguez
    Worked as they should

    Easy to use will definitely Buy again