Curt 25328 Adjustable Sleeve-Lock Coupler

$32.47 USD
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  • EASILY ADJUSTABLE. Designed to mount onto a vertical channel bracket, this trailer hitch coupler can easily be adjusted up or down to ensure level towing across your vehicle and trailer (CURT channels #48610 and #48650 recommended, sold separately)
  • PRECISE FIT. This trailer coupler can be mounted on a wide variety of heavy-duty trailers and couple to any standard 2-5/16-inch diameter trailer ball
  • EASY OPERATION. Equipped with an easy-lock latch mechanism, this trailer hitch coupler is quick and simple to operate and offers a snug fit on the trailer ball
  • HIGH-STRENGTH. Constructed from heavy-duty cast steel, this trailer ball coupler has a capacity of 15,000 lbs. gross trailer weight and 2,250 lbs. tongue weight
  • CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this adjustable trailer coupler is finished in a durable black powder coat
Manufacturer Warranty DescriptionLimited Lifetime Warranty (One-Year Finish, One-Ye
Manufacturer Part Number25328
OEM Equivalent Part Number25328
Unit Count1 Count
ManufacturerCurt Manufacturing
UPC612314253289 786362130981
Global Trade Identification Number00612314253289
Included ComponentsChannel Coupler
Item Type NameAccepts 2-5/16-Inch Hitch Ball, 15,000 lbs.
Model Number25328
Compatible with Vehicle TypeTrailer
Pull Force15000 pounds
Automotive Fit TypeVehicle Specific Fit
Material TypeAlloy Steel
Item Weight14 pounds
Compatible With Vehicle TypeTrailer
MaterialAlloy Steel
CURT Custom Trailer Wiring

Wherever your work or play takes you

CURT offers custom trailer hitches, electrical products and a complete line of towing accessories to get you there with confidence and enjoy every mile of the journey.

4 Pin Trailer Wiring Harness Connector

CURT Custom Vehicle-Trailer Wiring Harness

Custom fit. Plug-and-play. Reliable power.

A CURT custom trailer wiring harness is the easiest way to equip your vehicle with the proper electrical connection for towing a trailer. Our custom wiring offers simple, plug-and-play convenience with no cutting or splicing required, and provides a reliable connection for powering your trailer lights.

Best of all, each CURT custom trailer wiring harness is made vehicle-specific for a unique make and model. This makes installation hassle-free and ensures optimal performance with your vehicle.

Key features of CURT trailer wiring

  • Simple, plug-and-play installation
  • Constructed with SMT circuitry
  • Provides a standard trailer wiring output, usually 4-way or 5-way flat
  • Dust cover included to keep connector clean when not in use

Installation of CURT custom vehicle trailer wiring

CURT Trailer Wiring Connector Custom Vehicle Wiring

Two types of trailer wiring

CURT offers two types of custom trailer wiring: custom wiring harnesses and custom wiring connectors. Both are made for specific vehicles, and both require zero cutting or splicing.

CURT Vehicle Trailer Wiring Installation

Custom trailer wiring harnesses

A custom trailer wiring harness (also known as a ‘T-connector’) is designed to ‘T’ into your vehicle’s taillight assembly. This simply requires access to the taillight wiring.

CURT Custom Trailer Wiring Installation Auto

Custom trailer wiring connectors

A custom wiring connector uses a single plug to plug into a designated OEM socket on the vehicle. Not all vehicles are equipped with this socket, but it does make installing very easy.

CURT Vehicle Trailer Wiring Connector Plug In

Both vehicle-specific

Each custom trailer wiring harness and connector is made for a specific make and model, featuring the necessary components to provide a standard trailer wiring output.

CURT Towing Electrical Trailer Wiring Gooseneck Farm Truck

Selecting custom wiring

Whatever your lifestyle, choosing the right CURT custom trailer wiring harness for your vehicle is easy. Simply use your vehicle's year, make, model and style.

Benefits of CURT surface mount technology (SMT)

CURT Trailer Wiring Circuitry

Minimum heat generation

The high-quality components used in our custom trailer wiring create very little resistance to reduce heat, limit voltage drop and extend the life of the circuits.

CURT Trailer Wiring Lights

Optimum light intensity

SMT is manufactured with automated processes for maximum consistency and the highly efficient circuitry promotes optimum intensity and life for the trailer light.

CURT Trailer Wiring Harness 7-Way RV Blade

Durable performance

Surface mount technology is able to better withstand shaking and vibrations, conditions that are common while towing, compared to traditional through-hole-mount tech.

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