2869 Dunbier Cable Joiner Heat Shrinks 4.8mm (100) | Marine Trailer Part

🔧 Product Description

Dunbier Heat-Shrink Cable Joiners 4.8mm – Workshop Pack of 100 – Part Number: 2869

A workshop pack of heat-shrink electrical cable joiners for sealing and insulating compatible trailer-wiring splices. The approximately 4.8mm sleeve size is suitable for common low-voltage trailer-light cable joins when the conductor and crimp barrel are correctly matched.

⚙️ Key Features

• Heat-shrink insulated cable-joiner format
• Approximately 4.8mm sleeve diameter
• Workshop pack of 100
• Helps exclude moisture from trailer wiring
• Suitable for professional loom repair and assembly

📏 Specifications

• Nominal sleeve size: 4.8mm
• Pack quantity: 100
• Conductor size and crimp specification must match the actual joiner

🔄 Cross Reference & Related Parts

• Dunbier: 2869
• Related cable ties: Dunbier 2730, 2740, 2750 and 2751
• Comparable adhesive-lined heat-shrink crimp joiners must match cable gauge

🚤 Trailer Compatibility & Application

• Suitable for 12V trailer-lighting and control wiring of the correct gauge
• Use inside additional loom protection where the joint is exposed to stone impact
• Not suitable for high-current connections unless specifically rated

🔌 Function

Provides a mechanically crimped electrical connection and a heat-shrunk moisture-resistant outer seal.

⚠️ Common Signs of Failure

• Lighting is intermittent at the splice
• Heat shrink has split or lifted
• Copper corrosion is visible
• Crimp pulls away from the conductor
• Joiner was overheated and insulation is burnt

🛠️ Installation & Safety

• Strip conductors without nicking strands
• Use the correct calibrated crimp tool
• Centre the joiner over the conductors
• Heat evenly until the sleeve fully conforms
• Support the repaired loom to prevent flexing at the splice

📦 Condition

• Genuine Dunbier Marine Products part
• Brand new
• Supplied as one workshop pack of 100 heat-shrink cable joiners
• Supplied in original or equivalent packaging