Automotive, Exterior Accessories, Trailer Accessories
Oyviny 7‑to‑4 Trailer Plug Adapter – 11.6″ RV Blade to Flat Connector
$16.99 on Amazon.com (as of October 9, 2026, 9:31 PM EST) View details ↗
Upgrade your towing setup with the Oyviny 7‑to‑4 Trailer Plug Adapter, designed to seamlessly convert a standard 7‑pin RV blade connector into a robust 4‑pin flat connector for your trailer. The adapter features a 11.6″ overall length, ensuring a clear, unobstructed connection while maintaining a compact footprint.
Construction is built to last: the molded 7‑pin RV plug is weather‑resistant, and the 4‑pin trailer plug is fitted with a rubber dust cover that protects terminals from water and dust. A black nylon wire loom bundles and safeguards the internal wiring, extending the adapter’s service life even in harsh conditions.
| Length | 11.6″ |
|---|---|
| Wire Lead Length | 6.5″ |
| Material | Molded plastic with black nylon loom and rubber dust cover |
| Connector Types | 7‑pin RV blade to 4‑pin flat |
| Installation | Plug‑and‑play, no tools required |
Can this adapter be used with any 7‑pin RV blade connector?
Yes, it is designed to fit standard 7‑pin RV blade connectors found on most trucks and SUVs.
Does the adapter protect the trailer terminals from moisture?
The 4‑pin plug includes a rubber dust cover that shields terminals from water and dust.
