10 Best 7 Way Round Plug Of 2022 – Review And Buying Guide

Finding the best 7 way round plug that will meet all your needs can be a bit of a challenge, even for the most seasoned expert. While many companies still create good 7 way round plugs, the market has turned its attention toward advanced models that carry higher price points.

In our quest to find the most suitable models, we focused on features like comfort, adjustability, and durability. We recommend you take a close look at each product we listed here and see the features you need for your personal use.

Keep reading to learn more…

Top 10 7 way round plug : Editor’s Pick

10 Best 7 way round plug Reviews:

1. WOFTD Trailer Plug Adapter 7 Pin Round to 4 and 5 Flat Blade Trailer Connector Trailer Adapter 7 Way to 4 Way 5 Way 2-in-1 Flat Blade Plug

Features :

  • 7-way Round to a 4-way or 5-way Flat Blade trailer connector, Designed by WOFTD, photographed by WOFTD. RV-style connector.
  • Eliminates the need for cutting or splicing. Hassle free setup, no wiring nor splicing required.
  • The WOFTD trailer plug adapter adopts the 2 in 1 design, which combines 4 way plug with 5 way plug, and can be used by most trailers, easily convert 7 way Flat Blade into 5 way and 4 way round connector.
  • The plug with copper wire link, Not easy to get hot, better electrical conductivity. With a strong casing, it is highly waterproof, wear-resistant, flame retardant and cold resistant, and extremely durable.With the two dust covers at the plug, it can prevent the plug from being infected with dust.
  • Please feel free to contact us at first if there is any problem when you receive or use our products. We are always here to support you.

2. CURT 58180 Trailer-Side 7-Pin Round Wiring Harness Socket with Spring

Features :

  • CONVENIENT ATTACHMENT. This 7-pin trailer wiring connector features an extension spring that allows you to attach the plug in a convenient location on your trailer and keep it accessible for plugging in any time
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer wiring plug. It features tabs on the sides for a better grip when plugging into the vehicle or unplugging
  • VERSATILE DESIGN. This trailer wiring connector makes a great replacement 7-way wiring plug. It connects the taillights, brake lights, turn signals, reverse lights, electric trailer brakes and an auxiliary power wire
  • RELIABLE CONNECTION. This 7-way round trailer wiring plug is equipped with a locking tab on top that secures the plug into the socket when inserted. This helps maintain a reliable wiring connection in spite of bumps and vibrations while towing
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, this die-cast metal 7-wire trailer plug features concealed terminals, keeping the wires from direct exposure to rain, dirt, road salt and other corrosive threats (wires not included)

Additional Info :

Item Dimensions
Height 9
Width 3
Length 2
Weight 0.7

3. Kohree 4 Way Flat to 7 Way Round Blade Trailer Adapter Plug End 4 pin to 7 pin Electrical Connector with Mounting Bracket for RV, Truck, Car

Features :

  • 🚚【Tight-Fitted Towing Adapter】 This adapter converts the 4-way flat socket to the 7-way round type socket, connecting tail light, reverse light, turn signals, brakes, and auxiliary power, transfer the power from the vehicle to trailer.
  • 🚚【Hassle-Free Setup】Standard round 7-way flat blade connector easily and tightly snaps into trailer’s existing socket and holds without any wiggle or loose, simple plug-and-play. Protective weatherproof cap, it’s READY for any road condition.
  • 🚚【Ultra Durability】Kohree trailer connector is made from heavy plastic for lightweight and durability. Brass terminals and tin contact offer better electrical conductivity. A well-sealed spring-loaded dust cover protects the connector from dust.
  • 🚚【WIdely Application】Kohree Heavy Duty 4 way to 7 way adapter, offers a trusted power supply for towing, well lights up running lights, tail lamps, RV camper lights or other 4-pin led accessories.
  • 🚚【Universe Plug】This 4 way trailer adapter plug works fine with any factory OEM 7-way plug, suitable for Boat, RV, ATV, Chevrolet, Ford, Dodge, RAM, Toyota, or GMC.

Additional Info :

4. POLLAK 12-706 Plastic Blade Style 7-Way Plug

Features :

  • Fit type: Universal
  • Made in China
  • Package Dimensions : 3.75 L x 1.75 H x 3.0 W (inches)
  • Package Weight : 0.1 pounds

Additional Info :

Item Dimensions
Height 1.5
Width 3
Length 3.8
Weight 0.1

5. ONLINE LED STORE 7-Way Blade to 4-Way Flat Trailer Adapter [Nickel-Plated Copper Terminals] [Rugged Nylon Housing] [Compact Design] 7-pin to 4-pin Trailer Wiring Plug Adapter

Features :

  • NO TOOLS NEEDED – Easily adapt your 7-WAY RV BLADE vehicle socket to 4-WAY FLAT connector used on lightweight trailers.
  • NO MORE UGLY DANGLING CONNECTORS – Our 7-way blade to 4-way flat adapter eliminates the need of converter wiring harnesses and is compact enough to be stored in any of the vehicle’s storage compartments.
  • RUGGED NYLON HOUSING – Water, temperature, and shock resistant to provide years of reliable service.
  • EXCEEDS OEM SPECIFICATIONS – Nickel-plated copper electrical terminals are tough against corrosions while yielding superior conductivity.
  • LOCKS SECURELY IN PLACE – Durable nylon housing designed to be latched on by the tow vehicle’s socket while finger lugs allow easy removal when needed.

Additional Info :

Item Dimensions
Height 1.9
Width 3.74
Length 6.5

6. Spurtar 7 Pin Trailer Plug 7 Way Round RV Style Flat Blade Trailer Light Wiring Harness Trailer End Towing Replacement Connector Male End Adapter 12V Towbar-New Upgraded

Features :

  • Usage: Spurtar Industry standard 7 way rv blade trailer connector plug commonly used on RV camper trailers for towing RV travel trailers
  • Good Connection: Brass terminals for better conductivity and screw strain relief clamp which keeps trailer wire from pulling out of connector
  • Safe Grip: Userfriendly & ergonomic design with safety latch to ensure safe and strong grip when plugging in or unplugging trailer wiring
  • Versatile: 7-way RV blade connector is a great replacement and interchangeable with any trailer-side 7-way RV connectors
  • RELIABLE: Spurtar 7-pin trailer wiring plug comes ready to splice into your existing trailer wiring. It can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power

7. CXTM 7 RV Blade to 6 Pole Round, 6way to 7way Adapter 7-Way Blade to 6-Way Round Trailer Adapter 7-pin to 6-pin Trailer Wiring Plug Adapter

Features :

  • EASY INSTALLATION & DISASSEMBLY: Simple plug-and-play, install or removal our trailer adapter with no tools. Lock the adapter into your 7-WAY BLADE socket, then plug in your 6-WAY ROUND trailer. Simple and easy, that’s it.
  • LONG-LASTING CONSTRUCTION: The tough nylon body and copper terminals, provide excellent water/high temperature/wear/corrosion resistance, extend the life of the product.
  • STANDARD & STRONG FIXATION: Standard plug internal design with strong fixing, this trailer hitch wiring adapter plugs into any standard 7-way RV blade, connecting the taillights/turn signals/trailer brakes and brake lights.
  • WIDE ADAPTABILITY & 1 YEAR WARRANTY: No need for multi plugs to tow various vehicles, it can be used for commercial vehicle/semi-trailer/trailer. Besides, there is 1 year warranty for the xxxx. Both are very practical for drivers.
  • PRACTICAL DESIGN: Small size for easy carrying, can be stored in a glove box or tool box, no extra space need to be taken up.

8. CARROFIX 7 Pin Round to 7 Way RV Blade Trailer Adapter Wiring Connector

Features :

  • This adapter allows to convert your 7 round vehicle side to a standard 7 RV trailer side connection
  • U.S standard, perfectly solves a mismatch between your truck and trailer connection hardware
  • Durable, 7 way connector is constructed of high-impact, weather-resistant ABS thermoplastic
  • Plug-In-Simple design for quick and easy installation, no splicing of wires needed
  • Spring-loaded, hinged door on socket to protect the interior from dirt and moisture

Additional Info :

Color black
Item Dimensions
Height 2.7
Width 5.6
Length 3.5
Weight 0.6375

9. MaxxHaul 70086 7-Way Round to 4-Way Flat Trailer Plug Adaptor with 18 Inch Flexible Cable Which Extends To 36 Inches , Red

Features :

  • Eliminates the Need for Multiple Plugs and Adapters to Tow Various Vehicles
  • 7-Way to 4-Way Adaptor Does the Job of Otherwise Multiple Plugs and Adaptors
  • Brass Connectors Enables for Solid Electrical Conductivity
  • Weatherproof Molded Construction with 18″ AWG 300 Volt Rated Flexible Cord

Additional Info :

Color Red
Item Dimensions
Height 1.77
Width 2.76
Length 3.74
Release Date 2012-06-18T00:00:01Z

10. MICTUNING 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting Bracket

Features :

  • Make the Wiring Easier – Plug and play, convert the car’s 4-pin flat socket to the 7-pin blade round socket for the trailer, synchronize the trailer’s signal light, and customize the plug-in wiring system to connect the trailer, which is very convenient and solves the trouble of rewiring every time
  • High-quality Manufacturing – Using pure copper as the inner core, greatly improves the electrical conductivity. With the high-quality PVC shell, wear-resistant, corrosion-resistant, effectively waterproof and long service life
  • Provide Extra Protection – With the spring-loaded cover, high dust-proof, to avoid the adapter damage from the external environment when it is not in use
  • Simple to Install – Equipped with mounting bracket, screws, and nuts, just find the right position to install and tighten the nut to install successfully
  • Wide Application – Applicable to all towing vehicles that don’t require electric brakes, including trailers, semi-trailers, RVs, etc

Buying Guide: What to Consider When Select 7 way round plug


How much should you expect to spend on a product like this? Is it a one-off cost, or is there some kind of recurring element?

When it comes to 7 way round plug, a great value can come in many different forms. It could be a lower price, impeccable construction, and design, or higher durability. We’ll cover all of these different factors below, where we’re sharing our top picks for the best 7 way round plug for the money. We’ll go over everything consumers should know to get a great value out of their 7 way round plug!


The phrase “people get what they pay for” is especially true when it comes to 7 way round plug. The range in durability from person to person can be pretty substantial depending on the materials used in the construction. If someone saves $100 on a 7 way round plug, but it wears out in 1 month, are they really getting a good value?

Compare that to a 7 way round plug that costs $50 more but wears out after 1 or 2 years. Most people would argue that the second option is the better deal over the long term. Before purchasing, you should consider how long you want to have the 7 way round plug and then read reviews to make sure you know how long you can expect it to last.

Consider Where You Purchase 


A vast majority of people now buy their 7 way round plug online rather than going to a brick-and-mortar physical location. That’s largely because online shopping offers greater convenience, and many brick-and-mortar stores can be confusing when it comes to their models, pricing, and types.

While people can’t try out an online 7 way round plug the way they can in a store, brands often come with generous trials. These allow people to try out the 7 way round plug for a while and return it if they’re unhappy.

In addition, many online 7 way round plug are more affordable than their in-store counterparts, because they have less overhead and have cut out the middlemen to pass savings directly to the consumer. If you purchase online, make sure to check to see if they will have to pay extra for shipping or not. A lot of the new companies offer free shipping, but not all.

Types of 7 way round plug

Before even thinking about all the different 7 way round plug available,  You should choose the product types that will be ideal for your task.


Choosing a product based on a design that people will love can be tough. Just because you might like the look and style of it, doesn’t mean it’s the best. Below are some steps you can follow that I’ve used in the past when making decisions on which product designs to choose. Today, a lot of e-commerce sites have the same products. Naturally, it means people use product photos and videos to find the best item. Some of the tips in this article will help you choose or design a successful product.

  • Dimensions. How big are these products?
  • Materials. What are they made from? Is there an advantage to choosing one material over another?
  • Generic characteristics. What sort of features do products in this category include?
  • Product-specific functionality. Do certain products have key characteristics that others don’t? 
  • “Vs.” comparisons. Wireless or wired? Portable or desktop? Metal or wood? These are the key A/B-style decisions typically made early in the buying process.

The Verdict

Finally, we hope that our reviews about these 7 way round plugs will help you to choose your ideal product available on the maker. The question remains, how many of these 7 way round plug will you use and how often? Some manufacturers come out with newer 7 way round plug every few months. This is because they know that people want the better 7 way round plug. It’s all a matter of choice and your budget. The good news is that the features of good 7 way round plug tend to trickle down in price. If you start off with a cheaper version, chances are you can afford the more advanced versions of it a few months later.