4055902920 Genuine 3M Scotchlok UY2 Wire Connector for Electrolux Group Appliance Wiring Repairs

Electrolux part 4055902920 is a 3M Scotchlok UY2 connector, supplied as a genuine Electrolux spare. Scotchlok connectors use insulation displacement, which means the wire goes in without being stripped and the connector bites through the insulation as it's squeezed closed. Repairers use them to join small gauge appliance wiring, for example when splicing in a replacement sensor lead.

Why use a UY2 connector for appliance wiring repairs

A wiring join inside an appliance has to stay tight and insulated for years, often in cold, damp or vibrating spots. Twisting wires together and wrapping them in tape is a common cause of later faults, from erratic sensor readings to components that stop working altogether. A Scotchlok UY2 makes an insulated join in one squeeze, so it's quick to fit and doesn't rely on tape. If an earlier repair has left a loose or corroded joint, cutting it out and remaking it with a fresh connector is a sensible fix.

Part details

• Genuine Electrolux part number 4055902920
• 3M Scotchlok UY2 connector
• Insulation displacement design, no wire stripping needed
• For joining small gauge appliance wiring

Making a reliable join

Isolate the appliance at the wall before cutting or joining any wiring. Push the wire ends fully into the connector so they reach the end stop, then squeeze the cap down evenly with parallel jaw pliers until it sits flush. Give each wire a gentle tug to confirm it's held, and keep the join well clear of hot or moving parts.

Questions about this part

Do I need to strip the wires first?

No. Scotchlok connectors work by insulation displacement, so the wires go in with their insulation on. Squeezing the connector closed pierces the insulation and makes the electrical contact.