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Result: 4 pin round connector

7-Way Round RV Style Trailer Connector - Trailer Side

Our Price: $14.32
In Stock
7-Way round plug lets you connect your trailer to the 7-way round blade connector of your tow vehicle. Interlock system keeps connections in place. Over-sized finger grips for secure disconnections ...
Features: 7-Way round plug lets you connect your trailer to the 7-way round blade connector of a tow vehicle Interlock system locks in place to keep connections secure Over-sized finger tabs allow
  • Trailer Connectors
  • Trailer End Connector
  • 7 Blade
  • Optronics

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way and 4-Pole Flat Connectors

Retail: $52.80
Our Price: $31.93
In Stock
Quickly and easily install a 7-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 or ...
Features: Provides both a 7-way RV-style 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
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • No Converter
  • 4 Flat
  • 7 Blade
  • CURT
  • Factory Tow Package

7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End

Retail: $55.39
Our Price: $42.48
This 7- and 4-pole trailer connector eliminates the need for an adapter and allows you to tow a trailer with either a 7- or 4-pole plug. Socket connects to your vehicle's OEM wiring system and ...
Features: 7- and 4-Pole trailer connector with mounting bracket Has high-impact, ABS plastic construction Stainless steel spring for easy cover operation Rubber gasket provides weather-resistant
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • No Converter
  • 4 Flat
  • 7 Blade
  • Hopkins
  • No Tow Package

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

Retail: $34.56
Our Price: $29.99
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
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • 7 Blade to 6 Round
  • Hopkins
  • Universal Fit

Curt Trailer Connector Adapter - 4-Way to 7-Way RV and 4-Way Flat

Retail: $54.95
Our Price: $33.85
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. power Dust covers keep connectors clean when not in use Split loom keeps wires contained and well protected Simple installation Wiring harness plugs into existing 4-way flat connector and hardwires to
  • Wiring Adapters
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • CURT
  • Universal Fit

Mighty Cord Trailer Connector Adapter - 4-Way Flat to 7-Way RV Style - 12" Long

Retail: $32.35
Our Price: $21.79
In Stock
Convert your vehicle's 4-way to a 7-way with this wiring adapter. Flat, 4-pole connector plugs into your vehicle and additional wire leads pull 12V power for accessories and send signals for the ...
Features: Adapter converts the 4-way flat trailer connector on your vehicle to a 7-way RV-style connector 4-Way flat trailer end plugs into the 4-way flat on your vehicle 7-Way RV-style connector
  • Wiring Adapters
  • 4 Flat to 7 Blade
  • Mighty Cord
  • Universal Fit

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New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

Kristin
Kristin etrailer team member
Kristin etrailer team member

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

Our Price: $59.13
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
  • 7 Blade to 4 Flat
  • Hopkins
  • Universal Fit

Curt Replacement OEM USCAR Trailer Connector - Dual Connection - 7-Way RV Style and 4-Way Flat

Retail: $47.95
Our Price: $41.18
In Stock
Replace your USCAR-equipped vehicle''s OEM trailer connector with this dual-output connector. Features 7-way outlet and 4-pole flat outlet. Plugs into USCAR socket.Features: Replaces OEM connector to provide 4-way and 7-way trailer wiring connections Fits USCAR-equipped vehicles with factory tow plugs only 4-Way flat output connects tail lights, brake lights
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 7 Blade
  • 4 Flat
  • CURT
  • Universal Fit

Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard

Retail: $52.29
Our Price: $46.90
In Stock
Replace your damaged 7-way, RV-style, trailer-end connector with this molded cable. Durable cable covering resists damage. Wiring codes are RV standard.Features: Pre-wired, 7-way, blade-style, trailer-end connector allows you to connect your trailer to your vehicle Easy-to-grip tabs allow for simple plug in and disconnect Flexible cable allows for
  • Trailer Connectors
  • Trailer End Connector
  • 7 Blade
  • Hopkins

Pollak 6-Pole, Round Pin, Plastic Wiring Socket w/ Rubber Boot - Vehicle End

Retail: $22.98
Our Price: $8.80
In Stock
Establish a secure electrical connection between your RV and towed vehicle with this 6-pole, round pin socket. Plastic socket has brass pins to ensure minimum voltage drop and a rubber boot to ...
style Corrosion-resistant, ABS plastic construction Interchangeable with other 6-pole, round pin connectors Specs: Mounting dimensions: 1-3/8"-diameter hole Mounting screw holes: 1/4" Wiring
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 6 Round
  • Pollak

Wesbar Adapter - 7-Way RV to 4-Way or 5-Way Flat - 18" Long

Retail: $49.88
Our Price: $29.75
In Stock
This 18" long adapter plugs in to your 7-way, RV-style, vehicle-end connector to convert it for use with a 4-way or 5-way flat connector on your towed vehicle or trailer.Features: Adapter converts the 7-pole, blade-style, connector on your vehicle for use with the 4-way or 5-way flat connector on your towed vehicle or trailer Overall length: 18" 1-Year limited
  • Wiring Adapters
  • 7 Blade to 5 Flat
  • 7 Blade to 4 Flat
  • Wesbar
  • Universal Fit

Pollak 7 Pole to 4 Way Connector Adapter

Retail: $20.74
Our Price: $9.36
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
  • 7 Blade to 4 Flat
  • Pollak
  • Universal Fit

Hopkins Endurance Multi-Tow 7-Way RV and 4-Way Flat Trailer Connector - Vehicle End

Retail: $39.07
Our Price: $24.16
In Stock
Quickly and easily replace a damaged 7-way RV-style trailer connector, or add a new one to your vehicle with a factory tow package. This heavy-duty trailer connector socket has an outlet for 7-way ...
Features: 7-Blade, RV-style trailer connector serves as a replacement for a damaged socket Can also be added to a vehicle with a factory tow package 4-Pole flat connector also built in Simple plug-in
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • 7 Blade
  • Hopkins

Hopkins Endurance Multi-Tow 4-Way Flat to 7-Way RV Trailer Adapter w/ 4-Way Vehicle End Plug

Retail: $52.49
Our Price: $39.72
In Stock
Adapt a 4-way flat to a 7-way RV-style socket while still retaining use of the 4-way. Or simply replace a damaged 7-way connector. Plug into tow package for 7-way, or plug into existing 4-way and ...
4-way connector to a 7-way blade-style connector 4-Pole flat plug is built in Simple installation Wiring harness plugs into existing 4-way flat connector and hardwires to existing wiring to get additional
  • Wiring Adapters
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • Hopkins
  • Universal Fit

7-Way Molded Trailer Wire Connector, 4' Long

Retail: $60.39
Our Price: $40.13
In Stock
Trailer Connector RV Style 7-Way Blade with 4' lead Pre-wired 7-Way Trailer Connector Measures 4 feet long including connector Wire gauges: 14 Gauge - red, brown, green, and yellow 12 Gauge -
  • Trailer Connectors
  • Trailer End Connector
  • 7 Blade
  • Hopkins

Curt Trailer Connector Adapter - 7-Way RV Style to 4-Way Flat - 96" Cord

Retail: $69.95
Our Price: $48.38
In Stock
This adapter lets you span 8' to connect your 7-way, RV-style, vehicle-end connector to the 4-way flat connector on your trailer. Coiled cord ensures that wires won't drag on the ground ...
Features: Adapter converts your 7-pole, blade-style, vehicle-end connector for use with a 4-pole flat connector on your trailer Perfect for running power from your vehicle - with the 7-way RV plug -
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • No Converter
  • 7 Blade
  • 4 Flat
  • CURT
  • Universal Fit

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

Retail: $24.22
Our Price: $10.63
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 ...
Specs: Fits 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
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Round
  • Pollak

Hopkins Trailer Connector Adapter - 7-Pole Round Pin to 6-Pole

Retail: $36.69
Our Price: $22.75
In Stock
This adapter plugs quickly and easily into your 7-way, round-pin, vehicle-end connector to convert it for use with a 6-way round, trailer-end connector. A built-in cover protects the terminals from ...
Features: Adapter converts your 7-pole, round-pin, vehicle-end connector to a 6-pole round connector Built-in cover protects the terminals of the 6-way side from dust and grime when you're not
  • Wiring Adapters
  • 7 Round to 6 Round
  • Hopkins
  • Universal Fit

Curt 5th Wheel/Gooseneck Custom Wiring Harness w/ 7-Pole Connector - 7' Long

Retail: $120.95
Our Price: $86.95
In Stock
Mount this 7-way, RV-style connector in your truck bed for quick, simple hookup of your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with your existing factory wiring so that you can ...
Features: Provides 7-way, blade-style connector in your truck bed for hassle-free hookup of 5th-wheel and gooseneck trailers Connector mounts in truck-bed sidewall, tailgate post or wheel well
  • Fifth Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • Plug-In
  • 7 Blade
  • CURT
  • Hidden

Adapter 7 Pole to 4 Pole with Tester and Cover

Retail: $18.96
Our Price: $11.85
In Stock
If your truck has the connector on the left, and your trailer has the connector on the right, you will want this adapter. Vehicle End Trailer End Similar to 18142 and 30702
  • Wiring Adapters
  • 7 Blade to 4 Flat
  • Hopkins
  • Universal Fit

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

Retail: $49.64
Our Price: $30.17
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
  • 7 Round to 4 Flat
  • Tow Ready
  • Universal Fit

Hopkins Endurance, Flex-Coil Trailer Connector Adapter - 7-Way to 5-Way or 4-Way Flat with Nite-Glow

Retail: $54.69
Our Price: $48.14
In Stock
This heavy-duty, coiled cable adapter is compatible with a 7-way RV blade trailer socket on the vehicle and adapts it to work with a 4-way flat or 5-way flat connector on the trailer.: 3' Cable when stretched 7-Way RV blade to 5-wire flat connector 18 Gauge wire: stop/tail/turn 16 Gauge wire: ground/reverse 3-Year limited warranty Note: Works with a 4-way flat connector plug on your
  • Wiring Adapters
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • Hopkins
  • Universal Fit

7-Pole Blade to 5-Pole Flat Connector Wired Trailer Adapter - Coiled Cable - 94-1/2" Long

Retail: $76.48
Our Price: $58.45
Trailer adapter converts a tow vehicle's 7-pole wiring connection to a 5-pole flat pin connection for towing trailers with hydraulic brakes. Coiled cord stretches and contracts for extra ...
Features: Trailer adapter converts a tow vehicle's 7-pole wiring connection to a 5-pole flat pin connection for towing a trailer Allows 1 vehicle to tow a camper or boat trailer with hydraulic
  • Wiring Adapters
  • 7 Blade to 5 Flat
  • Optronics
  • Universal Fit

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

Retail: $14.04
Our Price: $9.29
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.Features: Heavy-duty, metal, 4-pole plug connects trailer to socket on tow vehicle Fits Pollak heavy-duty, 4-pole round pin wiring socket (PK11404) Does not fit Pollak heavy-duty, 4-pole, round pin
  • Trailer Connectors
  • Trailer End Connector
  • 4 Round
  • Pollak