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The Oyviny 7 Way to 4 Way Trailer Plug Adapter converts your vehicle’s 7-pin RV blade connector to a 4-pin flat trailer plug, enabling seamless power and lighting connections. Featuring a durable stainless steel build, weather-resistant molded plugs, and a protective nylon wire loom with a rubber dust cover, this 11.6-inch adapter ensures long-lasting, reliable performance across trucks, trailers, and RVs. Highly rated for ease of use and universal compatibility, it’s the essential accessory for professional-grade towing setups.
| ASIN | B0BPXR7RTW |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #5,248 in Automotive ( See Top 100 in Automotive ) #17 in Trailer Connectors |
| Brand | Oyviny |
| Brand Name | Oyviny |
| Compatible with Vehicle Type | Trailer, Trucks |
| Customer Reviews | 4.7 out of 5 stars 656 Reviews |
| Finish Type | Powder Coated |
| Included Components | 1* RV 7 Pin to 4 Pin Flat Trailer Wiring Adapter |
| Item Type Name | 7 blade to 4 flat trailer plug adapter |
| Item Weight | 0.22 kg |
| Manufacturer | Oyviny |
| Manufacturer Part Number | SPQ-7P-4P |
| Manufacturer Warranty Description | 1 Year |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model Number | SPQ-7P-4P |
| Unit Count | 1 Count |
| Vehicle Service Type | Trailer, Trucks |
H**.
OEM quality
Most expensive trucks come with something similar when new but never get passed along with the used truck . This fits perfectly and works great
M**L
Good quality would buy again
Works great
P**L
Works
1998 Dodge Ram Magnum 1500. Works great, fits perfect. The fact that you have the flex extension is perfect because there isn't much room between the hitch and plug.
N**R
Great Fit
Great fit, right on time and decent price.
R**T
This is a good product
Worked as advertised. I was very happy with the adapter.
J**S
Works exactly as it should. No complaints.
Plug and play, confirmed all functions worked. Off to the lake we went!
M**E
High quality product
I got a new SUV with a trailer package, but it only has a 7 pin. This works perfectly when you need to convert form a 7pin to a 3 pin for light duty trailers! Great product
C**S
Great buy for new trucks with 4 wire trailers
Works great on 2025 GMC 1500, no problems and works with the bells and whistles on the GMC Trailer towing package.
A**R
Happy with the purchase
I got what I expected. Adapter pin configurations are as described by seller. Pushed in no issues. Held fine during the drive. Pulled out when done with no issues. Nice little rubber dust cap for 4 pin end for when you're storing it. Reached fine for my purposes, not too short or too long. I've only used it lightly so far for about 200kms of driving so I can't say for sure how it would hold up over months and years of regular use but so far so good and I don't expect any issues. Seems reasonably durable. Easy and convenient online shopping and it arrived within a couple days.
T**L
Great tool
Easy to instal and covert 7 pin to 4 pin
T**K
Works Perfectly — Solid Connection and No Issues
Does exactly what it’s supposed to do. The adapter fit perfectly and the trailer lights worked flawlessly right away. Build quality feels solid, and the connection is snug — no flickering or loose fit. Simple, affordable, and reliable. Exactly what you want from a trailer plug adapter.
V**L
0000
works great
J**M
New adapter
Great quality works perfectly
Trustpilot
1 week ago
2 weeks ago