Menu Icon

 4 Round Connector   x   >  

Filter Results

Custer Trailer Connector Adapter - 4-Way Round to 4-Way Flat

Our Price: $7.18


  (9)
In Stock
This adapter converts a 4-way round connector to a 4-way flat connector. The durable ABS plastic adapter is compact, and pull grips on the flat end make it easy to install and remove. Features: Adapter converts a 4-way round trailer connector to a 4-way flat connector Pull grips on flat end make plug easy to install and remove ABS plastic construction is strong and durable

 Wiring Adapters

 Single-Function Adapter

 4 Round

 4 Flat

 Custer

 4 Feet Long

 Economy

Pollak Heavy-Duty, 4-Pole, Round Pin Trailer Wiring Connector - Metal - Trailer End

Our Price: $6.09


  (44)
In Stock
Establish a secure connection between your trailer and tow vehicle with this metal, 4-pole plug. Round brass pins ensure minimum voltage drop, and pull grips enable easy insertion and removal. 11-402 Pollak Heavy-Duty, 4-Way, Round Pin Trailer Wiring Connector - Metal - Trailer End

 Trailer Connectors

 Trailer End Connector

 4 Round

 Pollak

 Economy

Pollak Heavy-Duty, 4-Pole, Round Pin Trailer Wiring Connector - Chrome - Trailer End

Our Price: $7.15


  (15)
In Stock
Establish a secure connection between your trailer and tow vehicle with this chrome-plated, 4-pole plug. Split brass pins ensure minimum voltage drop, and pull grips enable easy insertion Brown - Tail Lights Maximum size wire gauge: 12 1-Year limited warranty 11-409 Pollak Heavy-Duty, 4-Way, Round Pin Trailer Wiring Connector - Chrome - Trailer End Replaces 30102

 Trailer Connectors

 Trailer End Connector

 4 Round

 Pollak

 Economy

Trailer Connector Adapter for Land Rover - 7-Way, Round Pin, European Style to 4-Way Flat

Our Price: $22.61


  (48)
In Stock
Plug this adapter into the 7-way, round-pin, European-style trailer connector on your Land Rover to get a 4-pole, flat connector to fit your towing needs. Features: Adapter converts your Land Rover 7-way, European-style, round-pin vehicle-end trailer connector with combined turn signals and brake lights to a 4-way flat connector Fast, easy plug-in

 Wiring Adapters

 Single-Function Adapter

 7 Round

 4 Flat

 Tow Ready

 Value

Mighty Cord Trailer Connector Adapter - 4-Way Flat to 6-Way Round - 12" Harness

Our Price: $19.49


  (4)
In Stock
Convert your vehicle's 4-way flat trailer connector to a 6-way round. Plug the 4-pole connector into your vehicle and connect the wire leads to get 12V power and the electric brake function. Features: Adapter converts your 4-way flat trailer connector to a 6-way round connector Additional wire leads for electric brakes and 12V accessory wiring Spring-loaded dust cover protects connector

 Wiring Adapters

 Single-Function Adapter

 4 Flat

 6 Round

 Mighty Cord

 12 Inch Long

 Value

Custer Trailer Connector Adapter w/ Wire Pigtail and Dust Cover - 4-Way Flat to 7-Way Round

Our Price: $16.19


  (1)
In Stock
This adapter converts a 4-way flat trailer connector to a 7-way round connector. The pigtail harness hardwires into your vehicle's existing wiring. Built-in ABS plastic cover protects the 7-way Features: Adapter converts your vehicle's 4-way flat trailer connector to a 7-way round connector Pigtail harness hardwires to existing wiring for brakes, power, and accessory Built-in cover

 Wiring Adapters

 Single-Function Adapter

 4 Flat

 7 Round

 Custer

 18 Inch Long

Mighty Cord Trailer Connector Adapter - 6-Way Round to 4-Way Flat

Our Price: $8.87


  (6)
In Stock
Convert your vehicle's 6-way round trailer connector to a 4-way flat. Just plug the 6-pole connector into your vehicle to get a 4-way flat vehicle-end connector. Features: Adapter converts your 6-pole round connector to a 4-way flat connector Connects ground, left turn, right turn, and brake circuits Easy-to-grip tabs allow for simple plug in and disconnect

 Wiring Adapters

 Single-Function Adapter

 6 Round

 4 Flat

 Mighty Cord

 Economy

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 6-Way Round and 4-Flat Connectors

Our Price: $20.91


Quickly and easily install a 6-way and a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package wiring harness - no cutting, splicing Features: Provides both a 6-way round and a 4-pole flat trailer connector at the back of your vehicle to power your trailer's signal lights Designed for use with a factory tow package Compatible

 Custom Fit

 Trailer Hitch Wiring

 Curt

 4 Flat

 6 Round

 No Converter

 Economy

Adapter 4 Pole to 7 Pole and 4 Pole w/Test Lamps

Our Price: $33.71


  (171)
In Stock
This multi-function, vehicle-end connector converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet. Features: Adapts 4-way flat to both 7-way round and 4-way flat Includes integrated test lamps which display proper connections Shows if you wiring on the trailer isn't working properly - burned

 Wiring Adapters

 Multi-Function Adapter

 4 Flat

 7 Blade

 4 Flat

 Curt

 Value

Ford Replacement OEM Tow Package Wiring Harness, 6-Way (Light Duty)

Our Price: $33.36


In Stock
OEM 6-Way Trailer Connector for 1997-02 Ford F-150 Light Duty and F-250 Light Duty with OEM 4-Flat Trailer Connector Exact Replacement for Damaged OEM Wiring Harness Installs in Seconds on Vehicles

 Custom Fit

 Trailer Hitch Wiring

 Tekonsha

 6 Round

 No Converter

 Value

Pollak 7 Pole to 4 Way Connector Adapter

Our Price: $12.28


  (413)
In Stock
Quickly and easily convert a 7-pole, RV-style connector to a 4-way, flat connector with this RV connector adapter. Adapter has a non-corrosive nylon shell. Features: 7-Pole RV connector to 4-way flat adapter Promotes quick and easy conversion of 7-pole, RV-style connector to 4-way flat connector Allows 1 vehicle to tow either campers or boat trailers

 Wiring Adapters

 Single-Function Adapter

 7 Blade

 4 Flat

 Pollak

 Value

Ford Replacement OEM Tow Package Wiring Harness, 6-Way (Super Duty)

Our Price: $34.91


  (2)
In Stock
OEM 6-Way Trailer Connector for 1999-02 Ford F-250 SuperDuty and F-350 SuperDuty with OEM 4-Flat Trailer Connector Exact Replacement for Damaged OEM Wiring Harness Installs in Seconds on Vehicles

 Custom Fit

 Trailer Hitch Wiring

 Tekonsha

 6 Round

 No Converter

 Value

Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector

Our Price: $25.41


  (386)
In Stock
4-Way to 7-Way Trailer Wiring Adapter Adapter converts from 4 pole wiring on vehicle to 7 pole round plug. Additional wire leads for brake, power and accessory are 12" long. Picture

 Wiring Adapters

 Single-Function Adapter

 4 Flat

 7 Blade

 Tow Ready

 1 Foot Long

 Value

Pollak Heavy-Duty, 4-Pole, Round Pin Trailer Wiring Socket - Metal - Vehicle End

Our Price: $7.01


  (46)
In Stock
Establish a secure connection between your trailer and your towing vehicle with this 4-pole, round pin, wire-insertion style socket. Zinc die-cast socket has concealed terminals to provide easy Pollak Heavy-Duty, 4-Pole Round Pin Connector (PK11402) Does not fit Pollak Heavy-Duty, 4-Pole, Round Pin (PK11409) Mounting dimensions: 1-3/8" diameter hole Mounting screw holes: 1/4" Volt

 Trailer Connectors

 Vehicle End Connector

 4 Round

 Pollak

 Economy

RoadMaster 4-Wire Connectors - Trailer and Vehicle Ends

Our Price: $9.99


  (12)
In Stock
Create your own cord or replace the damaged ends on your RoadMaster 4-wire straight and Flexo-Coil electrical cords with these 4-pole, male and female connectors. Features: Replace lost or damaged 4-pole, round, female and male connectors Fit RoadMaster 4-wire straight and Flexo-Coil electrical cords Specs: Wire: 16 gauge 910030-4 RoadMaster 4-Way Round

 Trailer Connectors

 Trailer End Connector

 4 Round

 Roadmaster

 Value

Adapter 4-Pole to 7-Pole and 4-Pole

Our Price: $27.26


  (261)
In Stock
Adapter converts from 4 pole wiring on vehicle to 7-pole round plug and 4-pole flat. Additional wire leads for brake, power and accessory. Features: Adapter converts from 4-pole wiring on your vehicle to 7-pole round plug and 4-pole flat wiring for trailer side Adds additional wire leads for brakes, power, and accessory wiring Wire

 Wiring Adapters

 Multi-Function Adapter

 4 Flat

 7 Blade

 4 Flat

 Hopkins

 Value

6-Way Molded Connector w/ Cable - Trailer End - 4' Long Cable

Our Price: $24.44


  (7)
In Stock
Heavy-duty series molded connector Features enclosed terminals and wires Weather and corrosion resistant Wire length: 4' Individual wire gauge: 14 1-Year limited warranty

 Trailer Connectors

 Trailer End Connector

 6 Round

 Bargman

 4 Feet Long

 Value

Pollak Heavy-Duty, 4-Pole, Round Pin Socket, Concealed Terminals - Chrome - Vehicle End

Our Price: $9.34


  (22)
In Stock
Establish a secure connection between your trailer and your towing vehicle with this 4-pole, round pin, wire-insertion-style socket. Chrome-plated socket has concealed terminals to provide easy Features: Heavy-duty, chrome-plated, 4-pole socket connects trailer to towing vehicle Fits Pollak Heavy-Duty 4-Pole Round Pin Connector (PK11409) Does not fit Pollak Heavy-Duty, 4-Pole, Round Pin

 Trailer Connectors

 Vehicle End Connector

 4 Round

 Pollak

 Value

RoadMaster 4-Wire Connector - Vehicle End

Our Price: $5.09


  (12)
In Stock
Create your own cord or replace the damaged ends on your RoadMaster 4-wire straight and Flexo-Coil electrical cords with this 4-pole, male connector. Features: Replaces lost or damaged 4-pole, round, male connectors (vehicle end) 910030-1 RoadMaster 4-Way Round, Vehicle-End Connector

 Trailer Connectors

 Vehicle End Connector

 4 Round

 Roadmaster

 Economy

RoadMaster 4-Wire Connector - Trailer End

Our Price: $5.09


  (9)
In Stock
Create your own cord or replace the damaged ends on your RoadMaster 4-wire straight and Flexo-Coil electrical cords with this 4-pole, female connector. Features: Replaces lost or damaged 4-pole, round trailer-end connectors Fits RoadMaster 4-wire straight and Flexo-Coil electrical cords

 Trailer Connectors

 Trailer End Connector

 4 Round

 Roadmaster

 Economy

Replacement 4-Wire Plug for Blue Ox Coiled Electrical Cord - Vehicle End - Qty 1

Our Price: $7.32


  (4)
This 4-way round, female plug mounts to the front of your towed car's base plate for easy hookup with your Blue Ox coiled electrical cable. Features: Replaces car-end 4-way round plug from your Blue Ox coiled electrical cord (BX88254 or BX8861) Mounts to the front of your towed vehicle's base plate for easy hookup Includes (1) 4

 Trailer Connectors

 Vehicle End Connector

 4 Round

 Blue Ox

 Economy

Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way

Our Price: $22.82


  (103)
In Stock
Heavy-duty trailer adapter features a unique Quick-Change wiring plug that lets you switch between 6-way wiring codes quickly and easily. Outlet for 4-way and 5-way plugs is also built in. Terminals Features: Trailer adapter changes your vehicle's 7-blade connector to a 6-pole 4-Pole and 5-pole flat connectors also built in Quick-Change plug on 6-pole terminal accommodates both 6-pole

 Wiring Adapters

 Multi-Function Adapter

 7 Blade

 6 Round

 5 Flat

 4 Flat

 Hopkins

 Value

Pollak 6-Pole, Round Pin, Trailer Wiring Socket - Vehicle End

Our Price: $8.35


  (34)
In Stock
Establish a secure connection between your trailer and your towing vehicle with this 6-pole, round pin, wire-insertion-style socket. Zinc die-cast socket is self-grounding and includes floating pins Features: Die-cast, 6-pole socket connects trailer to towing vehicle Round, split brass pins Minimum voltage drop is ensured Dielectric (non-conducting) grease coating Protects against corrosion

 Trailer Connectors

 Vehicle End Connector

 6 Round

 Pollak

 Economy

Adapter 7-Pole to 6-Pole and 4-Pole with Cover - Universal - Center Pin Brake

Our Price: $18.36


  (5)
In Stock
Adapter converts your 7-pole plug on the vehicle down to 6-pole plug and 4-pole flat plug to fit your trailer's connector. Note: Center pin is set up as the brake but can easily be changed

 Wiring Adapters

 Multi-Function Adapter

 7 Blade

 6 Round

 4 Flat

 Hopkins

 Value




< Previous    
1   2   3    . . . 15




^
About Us
photos and videos
1,056,204

Original Photos & Videos

Produced to make sure you know what you are getting and you get exactly what you need.

installations
35,570

Installations Completed

To make sure products work and fit the way they are supposed to.

etrailer call center
2,476,511

Phone Calls & Emails Answered

1,125,924 phone calls and 1,350,587 emails to help find the right solution.

etrailer training
400+

Average Hours of Product Training

We get to know our products firsthand so experts can better help you.

etrailer service
71

Years of Quality Customer Service

Assisting our neighbors and customers, face to face at the counter.

etrailer experts
193,357

Pages of Expert Information

Created to make sure you have all the answers to your questions, from real experts.