Hella 7 Pole Metal Trailer Socket
Allan Davis
on
19/06/2026
Hella 7 Pole Metal Trailer Socket
$11.00
Hella 7 pole trailer socket with metal housing, securing cap, 20A at 12V and 10A at 24V rating for large round trailer plug connections.
Part number 4901Bulk.
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Description
Overview
Hella 7 pole trailer socket gives trailer wiring a metal 7 pole connection point for large round plug setups. It suits 12V and 24V towing applications where the socket needs a secure cap, metal housing and dependable circuit connection at the vehicle or trailer end.
Features
- Metal 7 pole trailer socket for large round trailer plug connections.
- Securing cap helps lock the plug into position during use.
- 20A at 12V and 10A at 24V maximum load rating.
- Removable contact set helps with wiring and service access.
Specifications and Materials
Product type: 7 pole metal trailer socket.
Connector type: large round trailer socket.
Housing: metal socket body with securing cap.
Maximum load: 20A at 12V.
Maximum load: 10A at 24V.
Part number: 4901Bulk.
Use the Hella towing and trailer connector guide for connector specifications and wiring details
Compatibility and Fitment
Match this socket to a large round 7 pole trailer plug before ordering. Also check the wiring layout, cable entry, socket mounting position and lid clearance, because flat 7 pin, small round and heavy-duty SAE connectors use different formats.
The Hella 7 pole trailer socket pairs with the matching metal trailer plug listed below. Then, after wiring, test each trailer lighting and auxiliary circuit before road use.
These cross-references show where this part replaces the part numbers and applications listed. Some installations may need minor changes. 4901, ELH4901, 4901HE, 001.941-004, 001941004
Related Parts
Check the related service parts below against the trailer setup before ordering.
| Use | Part number | Part type |
|---|---|---|
| Compatible plug | ELH4911 | 7 pole metal trailer plug |
| Compatible plug | 4911 | 7 pole round metal plug |
| Related version | 4909 | 7 pole plastic trailer socket |
Compliance and Safety
Disconnect power before fitting or rewiring the socket. After installation, confirm terminal security, plug engagement, cap closure and circuit operation so the trailer lights and auxiliary circuits work correctly.
Trailer Applications
Trailers, caravans, utes and tow vehicles use the Hella 7 pole trailer socket where a large round metal socket suits the existing wiring setup. Because the metal body and securing cap support regular coupling, it suits workshop replacement and general trailer electrical repairs.
Cross-reference and Suitability
This part cross-references to or suits the following equivalent part numbers and compatible alternatives:
| 4901 | ELH4901 | 4901HE |
| 001.941-004 | 001941004 |
Why Choose ICS Trailers
ICS Trailers can help match trailer plugs, sockets and wiring accessories to the connector type already fitted to the trailer or tow vehicle. See more parts in ICS Trailers electrical
Online prices apply to website orders only. In-store pricing may differ.






