Updated: 17 Feb 2025

trailer side extensions

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Updated: 17 Feb 2025

#1

Best Choice
CURT 56070 7-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension, Select Chevrolet, Dodge, Ford, GMC, Nissan, Ram, Toyota , black

9.7

CURT

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Why we love it

No wire cutting or splicing required for installation.

Durable construction with a spring-loaded dust cover.

Compatible with multiple truck brands and models.

Main highlights

Retains Rear Socket and Adds Bed Socket
This trailer wiring harness retains the use of the rear 7-way RV blade socket while adding an additional 7-way socket in the truck bed.

Ideal for 5th Wheel and Gooseneck Trailers
Perfect for connecting trailer taillights, brake lights, reverse lights, turn signals, electric trailer brakes, and auxiliary power wire, especially for 5th wheel and gooseneck trailers.

Praised for Easy Installation
Customers frequently praise the easy installation process, highlighting that no wire cutting or splicing is required and it fits various truck models.
#2

Value for Money
MirroGuard Extended Towing Mirrors, Universal Clip-On Side Mirror Extensions for Trucks, RVs, and Trailers, Tow Mirrors with Extenders (Model MG91)

9.6

MirroGuard

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Main highlights

Universal Fit - The MirroGuard mirror extenders for towing are designed to fit a wide range of vehicles. Whether you're driving a Toyota Tacoma, a Ford Ranger, or a Subaru, these rv mirror extensions for towing will fit perfectly.

Enhanced Visibility - These towing mirrors provide extended visibility for safer towing. Perfect for RVs, trailers, and trucks, they offer a clear view of the rear and sides of your vehicle, making it easier to monitor your trailer.

Easy Installation - With its clip-on design, the MirroGuard towing mirrors can be easily attached and removed as needed. There's no need for any special tools or complicated instructions. Simply clip them on your existing side mirrors and you're ready to go.
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#3
MirroGuard Extended Towing Mirrors, Universal Clip-On Side Mirror Extensions for Trucks, RVs, and Trailers, Tow Mirrors with Extenders (Model HA968)

9.5

MirroGuard

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Main highlights

Universal Fit - The MirroGuard mirror extenders for towing are designed to fit a wide range of vehicles. Whether you're driving a Toyota Tacoma, a Ford Ranger, or a Subaru, these rv mirror extensions for towing will fit perfectly.

Enhanced Visibility - These towing mirrors provide extended visibility for safer towing. Perfect for RVs, trailers, and trucks, they offer a clear view of the rear and sides of your vehicle, making it easier to monitor your trailer.

Easy Installation - With its clip-on design, the MirroGuard towing mirrors can be easily attached and removed as needed. There's no need for any special tools or complicated instructions. Simply clip them on your existing side mirrors and you're ready to go.
#4
Precision Upfit 7 Way Extension Adapter Harness Truck Side 18” USCAR for Truck Hitch Upfitter – Easy Installation for Towing & Trailer Connections 7-Way

9.2

Generic

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Main highlights

USCAR-COMPATIBLE: This adapter harness is compatible with USCAR connectors, ensuring reliable, high-performance connections for a wide range of vehicles. It meets OEM standards for quality and compatibility, making it the perfect choice for your 7-pin trailer wiring harness and trailer plug connections.

DURABLE & WEATHER-RESISTANT: Built to withstand harsh weather conditions, this harness features heavy-duty construction and premium materials to ensure long-lasting durability, even in extreme temperatures, moisture, and road vibrations. Perfect for the rugged demands of towing, with 7-way trailer wire that resists wear and tear.

7-WAY EXTENSION ADAPTER HARNESS: The Precision Upfit 7-Way Extension Adapter provides an 18" extension, designed for seamless towing and trailer connections, making it perfect for trucks and vehicles with factory-installed upfitter wiring. Ideal for use with a 7-pin trailer plug or 7-way trailer plug.
#5
MICTUNING 7 Way Trailer Plug Socket Extension Cable 7 Blade Trailer Wiring Connector Cord Wire 3ft 10 14 AWG

8.9

MICTUNING

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Main highlights

Perfect Length: With a perfect length of 3ft, it's easy to solve the problem of the trailer line is too short on the journey, easy to connect your trailer to your car

Excellent Electrical Conductivity: The socket with copper pin contacts, and the wire made of multi-strand copper core, anticorrosive and anti-rust, the electrical conductivity reaches the extreme, very durable

Easy to Install: Plug and use, no need to rewiring your trailer, install the trailer extension cable on your truck bed and insert the existing bumper hook, it is very convenient
#6
Oyviny 16AWG Vehicle-Side and Trailer-Side 4 Pin Trailer Extension Wiring Harness 8 Feet, 4 Way Flat Trailer Lights Male & Female Connector 96-Inch Pure Copper Wires with Rubber Dust Cover

8.8

Oyviny

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Why we love it

Extends trailer light wire easily.

Protects from water and dust.

Simple plug and play design.

Main highlights

Extends Trailer Lights Wire Hookup
4 pin flat trailer wire extension with male and female ends, 8ft long, supplies power for trailer taillights, brake lights, and turn signals.

Ideal for Various Trailers
Perfect for extending wire hookups for boat trailers, utility trailers, and horse trailers with 4 way flat plugs, ensuring stable and reliable connections.

Well Made and Durable
Customers praise the product for its durability and quality construction, highlighting features like rubber dust covers and nylon net tube protection.
#7
Universal Towing Mirrors - Mirror Extenders for Towing, Clip-on Towing Mirror, 360 Degree Rotation Adjustable Tow Mirrors for Vehicle Car Truck Trailer RV, Side Mirror Extensions for Towing, 2 Pack

8.7

ZMCYNG

-13%

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Why we love it

Easy to install without tools.

Reduces blind spots effectively.

Stable at high speeds.

Main highlights

Stable and Secure View
Upgraded clip-on mirrors ensure stability and wind resistance, providing a steady view while driving.

Ideal for Towing Vehicles
Perfect for SUVs, RVs, trucks, and trailers, enhancing driving safety with a broader field of vision.

Customer Praise for Durability
Praised for high-quality glass and ABS construction, offering long-lasting performance.

-13%
#8
MECMO 4 Pin Flat Trailer Extension Cable 9FT, 18AWG 4 Way Trailer Wiring Conenctor Harness Vehicle-Side Trailer-Side 4 Prong Trailer Light Plug Trailer Hitch Wire Heavy Duty Copper 108” Jacket Cable

8.6

MECMO

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Main highlights

Trailer-Side and Vehicle Side 4 Pin: - This 4 way trailer wire extension fits wide variety of vehicles and trailers with 4-way flat connctor；4pin male to female trailer light plug is perfect for marine boat trailer, horse trailer, motorcycle trailer, ATV trailer, and other cargo utility trailer hitches

Plug and Play Trailer Light Plug: - Trailer 4 wire extension cable cord require No cutting or splicing factory wire, flexible trailer 4-pin conversion cable provide plug-in simple connections for your towing projects

108" Trailer Extension 4 Prong: - The 9 feet 4-pin flat trailer wiring extension cord with male and femle connector end can be easily extend your vehicle trailer light wire; The 108-inch wire loop provides plenty of extra length for a flexible installation
#9
Universal Clip On Towing Mirrors Extensions for Towing, Side Mirror Extensions for Towing Trailer, Dual Rearview Convex Tow Mirrors for Car Truck Trailer RV SUV, 2 Pack

8.3

Ellunyo

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Main highlights

EASY TO INSTALL: Clip on towing mirrors extensions have a clip-on design, no additional tools required. Simply attach it and tighten the screws to fix it in the desired position. Featuring a robust mounting tube and an adjustable Swivel Flexible Ball Joint, effortlessly position the mirrors to achieve the perfect viewing angle.

DUAL VIEW CONVEX TOWING MIRROR: Universal clip-on towing mirror extensions with a mini mirror that complements the expansive convex mirror, these extensions ensure you never miss a thing. You can adjust the angle up or down as needed to provide the driver with a wider and clearer view.

360 DEGREE ROTATE: Extension mirrors for towing has a 360° ball swivel, you can adjust side Mirror Extenders for Towing to a horizontal or vertical position, truck mirror extensions for towing providing you with the field of vision you need.
#10
MECMO 7.5ft 4 Pin Flat Trailer Wire Extension Coiled Cable, 4 Way Vehicle-Side and Trailer-Side Trailer Wiring Harness Adapter, Heavy Duty Jacketed Cable Trailer Light Extension Cord 7.5 Feet 90 Inch

8.2

MECMO

-13%

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Main highlights

Trailer-Side and Vehicle Side 4 Pin: - This 4 way trailer wire extension fits wide variety of vehicles and trailers with 4-way flat connctor；4pin male to female trailer light plug is perfect for marine boat trailer, horse trailer, motorcycle trailer, ATV trailer, and other cargo utility trailer hitches

Stretchable Length Up to 8Ft: - Retractable 4-pin flat trailer wiring extension cord with male and femle connector end can be easily extend your vehicle trailer light wire; The 7.5 feet 4 wire trailer plug extender is about 90 inches maximum (stretchable to 8ft, comfortable stretch length 5ft-7ft) and bounce back to normal length

Coiled Design: - Flat 4-pin Coiled cable design wiring keeps wire from dragging; Stretchable coiled wire with 8' maximum length provides sufficient space and flexible for towing vehicle and trailer

-13%

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trailer side extensions

CURT 56070 7-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension, Select Chevrolet, Dodge, Ford, GMC, Nissan, Ram, Toyota , black

9.7

Why we love it

Main highlights

MirroGuard Extended Towing Mirrors, Universal Clip-On Side Mirror Extensions for Trucks, RVs, and Trailers, Tow Mirrors with Extenders (Model MG91)

9.6

Main highlights

MirroGuard Extended Towing Mirrors, Universal Clip-On Side Mirror Extensions for Trucks, RVs, and Trailers, Tow Mirrors with Extenders (Model HA968)

9.5

Main highlights

Precision Upfit 7 Way Extension Adapter Harness Truck Side 18” USCAR for Truck Hitch Upfitter – Easy Installation for Towing & Trailer Connections 7-Way

9.2

Main highlights

MICTUNING 7 Way Trailer Plug Socket Extension Cable 7 Blade Trailer Wiring Connector Cord Wire 3ft 10 14 AWG

8.9

Main highlights

Oyviny 16AWG Vehicle-Side and Trailer-Side 4 Pin Trailer Extension Wiring Harness 8 Feet, 4 Way Flat Trailer Lights Male & Female Connector 96-Inch Pure Copper Wires with Rubber Dust Cover

8.8

Why we love it

Main highlights

Universal Towing Mirrors - Mirror Extenders for Towing, Clip-on Towing Mirror, 360 Degree Rotation Adjustable Tow Mirrors for Vehicle Car Truck Trailer RV, Side Mirror Extensions for Towing, 2 Pack

8.7

Why we love it

Main highlights

MECMO 4 Pin Flat Trailer Extension Cable 9FT, 18AWG 4 Way Trailer Wiring Conenctor Harness Vehicle-Side Trailer-Side 4 Prong Trailer Light Plug Trailer Hitch Wire Heavy Duty Copper 108” Jacket Cable

8.6

Main highlights

Universal Clip On Towing Mirrors Extensions for Towing, Side Mirror Extensions for Towing Trailer, Dual Rearview Convex Tow Mirrors for Car Truck Trailer RV SUV, 2 Pack

8.3

Main highlights

MECMO 7.5ft 4 Pin Flat Trailer Wire Extension Coiled Cable, 4 Way Vehicle-Side and Trailer-Side Trailer Wiring Harness Adapter, Heavy Duty Jacketed Cable Trailer Light Extension Cord 7.5 Feet 90 Inch

8.2

Main highlights

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