Collection: Heat Shrink Connectors

Heat shrink connectors provide a reliable, sealed solution for repairing and maintaining modern automotive, marine, and fleet electrical systems. As vehicles adopt more sensitive, computer-controlled wiring systems, the need for moisture-resistant, corrosion-proof terminal connections is critical. Our collection ensures that each wire splice or crimped connection is fully insulated and protected from contaminants, vibration, and current leakage. These connectors preserve the OEM integrity of wiring harnesses in high-performance and harsh environments. Ideal for sealed electrical system repairs where reliability and protection are paramount.

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77 products

  • 22-18 AWG Red Heat Shrink Male Bullet Connector - 0.180" Tab - 10 to 500 Pack - Made in USA

    Heat Shrink Male Bullet Connectors offer a durable, sealed connection for 22-18 AWG wire in automotive, marine, and...

    Regular price $3.99 USD
    Sale price $3.99 USD Regular price
  • 16-14 to 22-18 AWG Heat Shrink Crimp & Solder Step-Down Butt Connector - 10 to 500 Pack

    This step-down butt connector combines heat shrink insulation, crimp strength, and soldered conductivity for durable electrical connections between...

    Regular price $18.99 USD
    Sale price $18.99 USD Regular price
  • 22-18 & 16-14 AWG Heat Shrink Butt Connectors - Red & Blue - 200 Piece Kit - Made in USA

    This 200-piece heat shrink butt connector kit includes both red and blue sizes for 22-18 AWG and 16-14...

    Regular price $50.99 USD
    Sale price $50.99 USD Regular price
  • Optiseal Clear Heat Shrink & Crimp Yellow Butt Connector 12-10 Gauge - 10 to 500 Pack

    Sherco Automotive & Marine Supplies Sealed Crystal Clear Connectors are designed to provide optimal visual assurance that the...

    Regular price $13.49 USD
    Sale price $13.49 USD Regular price
  • 12-10 AWG Yellow 3-Way Wire Terminal Connector - Heat Shrink & Crimp - 10 or 100 Pack - Made in USA

    This 12–10 AWG yellow 3-way wire terminal connector is designed for reliable multi-wire splices in demanding environments. The...

    Regular price $12.49 USD
    Sale price $12.49 USD Regular price
  • 210 Piece Optiseal Clear Heat Shrink & Crimp Wire Terminal Connector Assortment Kit

    OptiSeal™ connectors are designed to provide optimal visual assurance of a sealed crimp termination.OptiSeal™ offers the following visual...

    Regular price $189.95 USD
    Sale price $189.95 USD Regular price
  • Heat Shrink & Crimp Red Female Bullet Connector 22-18 Gauge .180 Tab - 10 to 500 Pack

    Female Bullet Connector 16-14 Red .180-10 pack

    Regular price $3.99 USD
    Sale price $3.99 USD Regular price
  • 12-10 to 16-14 AWG Heat Shrink Crimp & Solder Step-Down Butt Connector - 10 to 500 Pack

    This step-down butt connector combines crimp and solder sealing with heat shrink insulation for a strong, corrosion-resistant connection...

    Regular price $23.49 USD
    Sale price $23.49 USD Regular price
  • Elektralink Heat Shrink & Solder Red Butt Connector Terminal 8 Gauge - 10 to 500 Pack

    Regular price $21.99 USD
    Sale price $21.99 USD Regular price
  • 12-10 to 8 AWG Pink Step Down Butt Connector - Heat Shrink & Crimp - 10 to 500 Pack

    This 12–10 to 8 AWG pink step down butt connector provides a secure and insulated connection when transitioning...

    Regular price $19.99 USD
    Sale price $19.99 USD Regular price
  • Heat Shrink & Crimp Yellow Male Bullet Connector 12-10 Gauge .195 Tab - 10 or 100 Pack

    Male Bullet Connector 12 - 10 Yellow .195-10 pack

    Regular price $5.49 USD
    Sale price $5.49 USD Regular price
  • Optiseal Clear Heat Shrink & Crimp Step-Down Butt Connector 26-24 to 22-18 Gauge - 10 to 500 Pack

    Sherco Automotive & Marine Supplies Sealed Crystal Clear Connectors are designed to provide optimal visual assurance that the...

    Regular price $9.99 USD
    Sale price $9.99 USD Regular price
  • Optiseal Clear Heat Shrink & Crimp Step-Down Butt Connector 12-10 to 8 Gauge - 10 to 500 Pack

    Sherco Automotive & Marine Supplies Sealed Crystal Clear Connectors are designed to provide optimal visual assurance that the...

    Regular price $14.99 USD
    Sale price $14.99 USD Regular price
  • Heat Shrink & Crimp Yellow Female Bullet Connector 12-10 Gauge .195 Tab - 10 or 100 Pack

    Female Bullet Connector 12 - 10 Yellow .195-10 pack

    Regular price $5.49 USD
    Sale price $5.49 USD Regular price
  • 120 Piece Optiseal Clear Heat Shrink & Crimp Wire Terminal Connector Assortment Kit

    OptiSeal™ connectors are designed to provide optimal visual assurance of a sealed crimp termination.OptiSeal™ offers the following visual...

    Regular price $83.49 USD
    Sale price $83.49 USD Regular price
  • 60 Piece Optiseal Clear Heat Shrink & Crimp Butt Connector Assortment Kit

    OptiSeal™ connectors are designed to provide optimal visual assurance of a sealed crimp termination.OptiSeal™ offers the following visual...

    Regular price $42.99 USD
    Sale price $42.99 USD Regular price
  • 16-14 AWG Blue Heat Shrink & Crimp 4-Way Wire Terminal Connector - 10 to 500 Pack - Made in USA

    These 16-14 AWG 4-way heat shrink crimp connectors offer a high-strength, moisture-sealed solution for multi-wire electrical connections. Engineered...

    Regular price $10.49 USD
    Sale price $10.49 USD Regular price
  • 150 pcs Heat Shrink Butt Connector Assortment

    (50) HSRBS Red 22-18 AWG Heat Shrink Butt Connectors (50) HSBBS Blue 16-14  AWG Heat Shrink Butt Connectors...

    Regular price $43.99 USD
    Sale price $43.99 USD Regular price
  • 8 to 12-10 AWG Heat Shrink Crimp & Solder Step-Down Butt Connector - 10 to 500 Pack

    This heat shrink step-down butt connector combines crimp and solder functionality for a secure, vibration-resistant electrical connection across...

    Regular price $33.99 USD
    Sale price $33.99 USD Regular price
  • Multilink Heat Shrink Crimp & Solder Stepdown Butt Connector Terminal 22-18 to 26-24 AWG - 10 to 500 Pack

    Step-down Butt Connectors 18-20 AWG to 22-24 AWG-10 pack

    Regular price $18.99 USD
    Sale price $18.99 USD Regular price
  • 22-18 AWG Red Heat Shrink & Crimp 4-Way Wire Terminal Connector - 10 to 500 Pack - Made in USA

    Designed for high-performance electrical projects, this red 4-way terminal connector provides a secure, waterproof connection for 22-18 AWG...

    Regular price $9.99 USD
    Sale price $9.99 USD Regular price
  • Heat Shrink & Crimp Yellow 4-Way Wire Terminal Connector 12-10 Gauge - 10 or 100 Pack

    Sherco Automotive & Marine Supplies Heat Shrink Terminals Our heat shrink connectors provide durable long lasting electrical connections....

    Regular price $13.49 USD
    Sale price $13.49 USD Regular price
  • Heat Shrink Nylon Insulated Crimp Butt Connector Adhesive Lined White 22-24 Gauge - Pack of 25 - Made in the USA

    Heat Shrink Nylon Insulated Crimp Butt Connector Adhesive Lined White 22-24 Gauge - Pack of 25 - Made...

    Regular price $11.99 USD
    Sale price $11.99 USD Regular price
  • Heat Shrink Gauge Butt Connector Insulated Butt Splice Waterproof Electrical Wire Crimp Terminal for Automotive & Marine - 200 Pack - Made in the USA

    Heat Shrink Gauge Butt Connector Insulated Butt Splice Waterproof Electrical Wire Crimp Terminal for Automotive & Marine -...

    Regular price $50.99 USD
    Sale price $50.99 USD Regular price