20 Best 4 Pin Round Trailer Connector [2024]

Are you looking for the best 4 Pin Round Trailer Connector? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 4 Pin Round Trailer Connector.

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# Preview Product
1 CURT 58060 Trailer-Side 4-Pin Round Wiring Harness Plug CURT 58060 Trailer-Side 4-Pin Round Wiring Harness Plug
2 Hopkins 48295 4 Pole Round Matched Set Hopkins 48295 4 Pole Round Matched Set
3 CURT 57224 4-Pin Round Vehicle-Side to 4-Way Trailer Wiring Adapter , Black CURT 57224 4-Pin Round Vehicle-Side to 4-Way Trailer Wiring Adapter , Black
4 CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors
5 CURT 58677 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors CURT 58677 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors
6 CURT 58071 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket CURT 58071 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket
7 CURT 58061 Trailer-Side 4-Pin Round Wiring Harness Plug CURT 58061 Trailer-Side 4-Pin Round Wiring Harness Plug
8 Hopkins 47465 4 Wire Flat Adapter Hopkins 47465 4 Wire Flat Adapter
9 Hopkins 48325 4 Pole Round Trailer Plug End Only Hopkins 48325 4 Pole Round Trailer Plug End Only
10 POLLAK - 301.1063 12-717EP 6-Way Round Pin to 4-Way Flat Adapter POLLAK - 301.1063 12-717EP 6-Way Round Pin to 4-Way Flat Adapter
11 CURT 58070 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket CURT 58070 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket
12 Lutron Pico Smart Remote Control for Caséta Smart Dimmer Switch | PJ2-3BRL-WH-L01R | White Lutron Pico Smart Remote Control for Caséta Smart Dimmer Switch | PJ2-3BRL-WH-L01R | White
13 YONHAN 4 Pin to 7 Pin Adapter Trailer Light Adapter 4-Way Flat Truck to 7-Way Blade Reverse Plug... YONHAN 4 Pin to 7 Pin Adapter Trailer Light Adapter 4-Way Flat Truck to 7-Way Blade Reverse Plug...
14 4 Flat to 7 Blade Trailer Light Adapter, Wiring Reverse Plug Connector with Mounting Bracket for Car... 4 Flat to 7 Blade Trailer Light Adapter, Wiring Reverse Plug Connector with Mounting Bracket for...
15 X AUTOHAUX 4.5ft 7 Way Round to 4 Way Pin Flat Trailer Coiled Wiring Harness Connector Adapter Plug X AUTOHAUX 4.5ft 7 Way Round to 4 Way Pin Flat Trailer Coiled Wiring Harness Connector Adapter Plug
16 MECMO Multi-Tow 4-Way Flat to 7-Way RV Blade and 4-Way Flat Female Trailer Wiring Adapter Connector... MECMO Multi-Tow 4-Way Flat to 7-Way RV Blade and 4-Way Flat Female Trailer Wiring Adapter...
17 ONLINE LED STORE 7-Way Blade to 4-Way Flat Trailer Adapter [Nickel-Plated Copper Terminals] [Rugged... ONLINE LED STORE 7-Way Blade to 4-Way Flat Trailer Adapter [Nickel-Plated Copper Terminals]...
18 CURT 57208 Vehicle-Side Trailer Wiring Harness Mounting Bracket for 4-Way or 6-Way Round CURT 57208 Vehicle-Side Trailer Wiring Harness Mounting Bracket for 4-Way or 6-Way Round
19 Miady 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting Bracket Miady 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting Bracket
20 WOFTD Trailer Plug Adapter 7 Pin Round to 4 and 5 Flat Blade Trailer Connector Trailer Adapter 7 Way... WOFTD Trailer Plug Adapter 7 Pin Round to 4 and 5 Flat Blade Trailer Connector Trailer Adapter 7...
SaleBestseller No. 1
CURT 58060 Trailer-Side 4-Pin Round Wiring Harness Plug
  • 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...
  • VERSATILE DESIGN. This trailer wiring connector makes a great replacement 4-flat wiring plug. It matches industry-standard 4-way round connectors and...
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring connector is made from strong, durable...
  • RELIABLE CONNECTION. This 4-way round trailer wiring plug is equipped with a locking tab on top that secures the plug into the socket when inserted....
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, this 4-wire trailer plug features concealed terminals, keeping the wires from...
SaleBestseller No. 2
Hopkins 48295 4 Pole Round Matched Set
  • 4 pole round set
  • Contains matched set, tow vehicle end socket and trailer end plug only
  • Die-cast zinc connectors for durability
  • Impact and corrosion resistant
  • Reliable and durable
SaleBestseller No. 3
CURT 57224 4-Pin Round Vehicle-Side to 4-Way Trailer Wiring Adapter , Black
  • VERSATILE DESIGN. This trailer wiring adapter makes it easy to connect a mismatched vehicle socket and trailer plug, adapting your 4-way round...
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer wiring adapter. It features tabs on...
  • STANDARD CONNECTION. This trailer hitch wiring adapter plugs into any standard 4-way flat and can be used to connect the taillights, brake lights and...
  • NO-SPLICE INSTALL. This 4-pin round to 4-pin flat trailer adapter wiring comes ready to plug into your vehicle or trailer wiring with zero splicing...
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this trailer harness adapter is made from tough black plastic
SaleBestseller No. 4
CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these trailer wiring connectors. The trailer plug...
  • VERSATILE DESIGN. These trailer wiring connectors make great replacement 4-flat wiring plugs and socket. They match industry-standard 4-way round...
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring connectors is made from strong,...
  • RELIABLE CONNECTION. These 4-way round trailer wiring connectors are equipped with locking tabs that secure the plug into the socket when inserted....
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, these 4-wire trailer plugs feature concealed terminals, keeping the wires from...
Bestseller No. 5
CURT 58677 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these trailer wiring connectors. The trailer plug...
  • VERSATILE DESIGN. These trailer wiring connectors make great replacement 4-flat wiring plugs and socket. They match industry-standard 4-way round...
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring connectors is made from strong,...
  • RELIABLE CONNECTION. These 4-way round trailer wiring connectors are equipped with locking tabs that secure the plug into the socket when inserted....
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, these 4-wire trailer plugs feature concealed terminals, keeping the wires from...
SaleBestseller No. 6
CURT 58071 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket
  • SPRING-LOADED COVER. To promote long-lasting use and weather resistance, this round 4-pin trailer wiring socket comes with a spring-loaded dust cover....
  • VERSATILE DESIGN. This vehicle-trailer wiring connector makes a great replacement 4-flat wiring socket. It matches industry-standard 4-way round...
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring connector is made from strong, durable...
  • RELIABLE CONNECTION. This 4-way round trailer wiring socket is equipped with a locking tab on the inside of the dust cover that secures the plug in...
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, this 4-wire vehicle socket features concealed terminals, keeping the wires from...
SaleBestseller No. 7
CURT 58061 Trailer-Side 4-Pin Round Wiring Harness Plug
  • 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...
  • VERSATILE DESIGN. This trailer wiring connector makes a great replacement 4-flat wiring plug. It matches industry-standard 4-way round connectors and...
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring connector is made from strong, durable...
  • RELIABLE CONNECTION. This 4-way round trailer wiring plug is equipped with a locking tab on top that secures the plug into the socket when inserted....
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, this 4-wire trailer plug features concealed terminals, keeping the wires from...
Bestseller No. 8
Hopkins 47465 4 Wire Flat Adapter
  • 4 pole round to 4 wire flat
  • Die-cast zinc for durability
  • Flexible wire provides extra reach
  • Corrosion resistant
  • Includes dust cover
Bestseller No. 9
Hopkins 48325 4 Pole Round Trailer Plug End Only
  • 4 pole round
  • Trailer end plug only with installation instructions with detailed step-by-step procedures and diagrams
  • Die-cast zinc connectors for durability
  • Impact and corrosion resistant
  • Reliable and durable
SaleBestseller No. 10
POLLAK - 301.1063 12-717EP 6-Way Round Pin to 4-Way Flat Adapter
  • Converts 6-way Round (Pin Style) Connectors Socket to a 4-way Flat (Pin Style) Connector Plug
  • Allows one vehicle to tow utility trailers or boat trailers
  • Adapter has non-corrosive glass-filled nylon shell and fits all 6-way sockets
  • Full-length plug shell ensures positive latching with socket
  • Eliminates makeshift jumpers
SaleBestseller No. 11
CURT 58070 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket
  • SPRING-LOADED COVER. To promote long-lasting use and weather resistance, this round 4-pin trailer wiring socket comes with a spring-loaded dust cover....
  • VERSATILE DESIGN. This vehicle-trailer wiring connector makes a great replacement 4-flat wiring socket. It matches industry-standard 4-way round...
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring connector is made from strong, durable...
  • RELIABLE CONNECTION. This 4-way round trailer wiring socket is equipped with a locking tab on the inside of the dust cover that secures the plug in...
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, this 4-wire vehicle socket features concealed terminals, keeping the wires from...
SaleBestseller No. 12
Lutron Pico Smart Remote Control for Caséta Smart Dimmer Switch | PJ2-3BRL-WH-L01R | White
  • Controls Lutron Caséta wireless dimmers and plug-in lamp dimmers (sold separately)
  • Turns lights on/off as well as brighten and darken them
  • Adjust lights from anywhere in the room
  • Coordinating tabletop pedestal and wall plate sold separately
  • 10-year battery life (battery included)
SaleBestseller No. 13
YONHAN 4 Pin to 7 Pin Adapter Trailer Light Adapter 4-Way Flat Truck to 7-Way Blade Reverse Plug...
  • Easy to Use: Converts 4 pin flat truck connector to a standard 7 pin RV blade socket, connects tail reverse turn signals, synchronizes the trailer's...
  • High Quality: The 4 7 trailer adapter uses extremely durable ABS plastic construction instead of PVC, improving the corrosion resistance, oxidation...
  • Dust & Water Proof: The trailer light adapter is Well-sealed spring-loaded keeps out dust and water when not in use, and prolongs its use life....
  • Simple Installation: The 4 way to 7 way trailer adapter comes with a mounting bracket and hardware, conveniently connect the trailer wiring adapter to...
  • What You Get: 1 * 4 Way Flat to 7 Way Blade Trailer Light Adapter with Mounting Bracket, using manual. If you have any questions, don't hesitate to...
Bestseller No. 14
4 Flat to 7 Blade Trailer Light Adapter, Wiring Reverse Plug Connector with Mounting Bracket for Car...
  • 〖4 Flat to 7 Blade Adapter〗Voltage range: 6-24 Volts, Converts 4 way flat vehicle end to 7 way blade trailer end; Connects tail reverse turn...
  • 〖Standard shape, size and capability〗Our plugs and sockets are available in all standard connector formats and are designed to give you a reliable...
  • 〖Main Features〗Our connectors are made with quality to be long-lasting and many have bonded wires to keep the connection protected and orderly....
  • 〖Easy to Install〗According to installation, different color wire lines compatible different function, you can quickly install it. Package come...
  • 〖Quality Guarantee〗Any quality problem will do full refund, Rest assured purchase.
SaleBestseller No. 15
X AUTOHAUX 4.5ft 7 Way Round to 4 Way Pin Flat Trailer Coiled Wiring Harness Connector Adapter Plug
  • Adapts a 7 way trailer hitch used for RV and boat towing to a 4 flat connection.
  • Coiled cable stretches at least 4.5ft long, which provides sufficient space for towing vehicle and trailer. Note: The designed length of this coiled...
  • With the function of connecting running lights, left turn and brake signal, right turn and brake signal. Plated terminals, abrasion resistant. The...
  • Compact design between the wire and plug, well protect the adapter from the dust and water, for long service life.
  • Easy installation and plug in use, fit for most boat, trailer and RV towing. Note: Before purchasing, please confirm whether the length of the cable...
Bestseller No. 16
MECMO Multi-Tow 4-Way Flat to 7-Way RV Blade and 4-Way Flat Female Trailer Wiring Adapter Connector...
  • DUAL OUTPUT: This dual-output trailer wiring adapter makes it easy to tow different trailers with your vehicle, for used to convert any 4-wire flat...
  • STANDARD CONNECTION: MECMO Multi-Tow trailer connector adapter provides two standard trailer connections, a 7-pin RV blade and a 4-way flat socket,...
  • APPLICATION: Dual 4 way and 7 way trailer hitch wiring adapter allows you to connect 4 poles or 7 poles trailer to your factory 4 pin socket to power...
  • RELIABLE: Both 7-way RV output socket and 4-way flat equip with a tight-fitting dust cover and a spring loaded cover to keep terminals clean when not...
  • All-IN-ONE: Full ready kit easy to install, package includes mounting bracket, screws, and nuts. All-in-one set design convenience your wiring...
Bestseller No. 17
ONLINE LED STORE 7-Way Blade to 4-Way Flat Trailer Adapter [Nickel-Plated Copper Terminals] [Rugged...
  • 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...
  • 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...
SaleBestseller No. 18
CURT 57208 Vehicle-Side Trailer Wiring Harness Mounting Bracket for 4-Way or 6-Way Round
  • STANDARD FIT. This trailer wiring mounting bracket is designed to securely mount virtually any industry-standard 4-way round connector or 6-way round...
  • FLEXIBLE MOUNTING. The bracket features multiple fastener holes to fit a variety of trailer wiring harnesses. It allows you to mount the wiring...
  • HIGH-STRENGTH. This trailer wiring harness bracket is made from solid steel to provide plenty of strength for a solid mount and to remain fixed in...
  • CORROSION-RESISTANT. To face the weather and elements with ease, this trailer wiring bracket is covered in a black powder coat finish, helping to...
  • EASY TO INSTALL. To install this mounting bracket for vehicle-trailer wiring, you can bolt it directly onto your vehicle using the top screw holes, or...
Bestseller No. 19
Miady 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting Bracket
  • 【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...
  • 【Simple installation】 - Equipped with mounting brackets, screws and nuts, just need to find the right mounting position and tighten the nuts for...
  • 【High quality manufacturing】 - ①The use of pure copper as the inner core, greatly improving the conductivity. ②Adopt high quality PVC shell,...
  • 【Perfectly Protective】 - Highly dustproof with a spring-loaded cover to prevent damage to the adapter from external environment when not in use....
  • 【What you get】 - 1x trailer adapter plug, 1x mounting bracket, 6x screws, 6x nuts. We provide 24*7 friendly customer support and also back our...
Bestseller No. 20
WOFTD Trailer Plug Adapter 7 Pin Round to 4 and 5 Flat Blade Trailer Connector Trailer Adapter 7 Way...
  • 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...
  • The plug with copper wire link, Not easy to get hot, better electrical conductivity. With a strong casing, it is highly waterproof, wear-resistant,...
  • 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.

Having trouble finding a great 4 Pin Round Trailer Connector?

This problem is well understood by us because we have gone through the entire 4 Pin Round Trailer Connector research process ourselves, which is why we have put together a comprehensive list of the best 4 Pin Round Trailer Connectors available in the market today.

After hours of searching and using all the models on the market, we have found the best 4 Pin Round Trailer Connector for 2023. See our ranking below!

How Do You Buy The Best 4 Pin Round Trailer Connector?

Do you get stressed out thinking about shopping for a great 4 Pin Round Trailer Connector? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 4 Pin Round Trailer Connector, which is why we have assembled a comprehensive list of the greatest 4 Pin Round Trailer Connector available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 4 Pin Round Trailer Connector that you consider buying. Your questions might include the following:

  • Is it worth buying an 4 Pin Round Trailer Connector?
  • What benefits are there with buying an 4 Pin Round Trailer Connector?
  • What factors deserve consideration when shopping for an effective 4 Pin Round Trailer Connector?
  • Why is it crucial to invest in any 4 Pin Round Trailer Connector, much less the best one?
  • Which 4 Pin Round Trailer Connector are good in the current market?
  • Where can you find information like this about 4 Pin Round Trailer Connector?

We’re convinced that you likely have far more questions than just these regarding 4 Pin Round Trailer Connector, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 4 Pin Round Trailer Connector, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 4 Pin Round Trailer Connector. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 4 Pin Round Trailer Connector buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 4 Pin Round Trailer Connector currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 4 Pin Round Trailer Connector has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 4 Pin Round Trailer Connector?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 4 Pin Round Trailer Connector.
  5. Customer Ratings: Number ratings grade 4 Pin Round Trailer Connector objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4 Pin Round Trailer Connector.
  7. Product Quality: You don’t always get what you pay for with an 4 Pin Round Trailer Connector, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 4 Pin Round Trailer Connector is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 4 Pin Round Trailer Connector information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 4 Pin Round Trailer Connector is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is a 7 way trailer connector?

A: The 7-Way Trailer Plug is a round 2″ diameter connector that allows an additional pin for an auxiliary 12-volt power or backup lights. It is usually used for towing a heavy-duty landscaping trailer, car trailer, boat trailer, horse trailer, travel trailer, construction trailer, and larger trailers.

Q: What is 4 pin DIN connector?

A: The 4-pin Mini Din connector is the proper name for what is commonly referenced as an S-Video connector. The connector has 4 pins arranged in 2 rows, as well as a keying block to make certain the plug cannot be inserted improperly.

Q: What is a 4 pin CPU power connector?

A: The ATX 4 pin power supply connector is a standard motherboard power connector used to provide +12 VDC to the processor voltage regulator.

Q: What is a 4 pin floppy connector?

A: The floppy drive 4 pin power supply connector is the standard floppy drive power connector in computers today. The power connector itself is a Berg connector, sometimes referred to as a Mini- Molex connector.