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This connector adapts a 7-way round vehicle socket to fit 4-way flat trailer plug. It also simple plug-and-play design eliminates the need for splicing.
| Brand | Curt |
| Connector Adapter Pattern | 4-Way Flat |
| Contents | Adaptor |
| Connector Adapter Material | 7-Way |
| Manufacturer | CURT Manufacturing |
| Manufacturer Part Number | 57040 |
| Material Type | Plastic |
| Style | 7-Way Round To 4-Way Flat Adapter |
| VMRS Code | 053017004 |
| # of Wires from Adapter to Connector | 7 |
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