2018 GMC Yukon XL Towing Products

Essential 2018 GMC Yukon XL Towing Products

Hopkins – 40920, Endurance Multi Tow« GM Twist Mount 7 Blade and 4 Flat Towing Connector (Part No.40920)

40920, Endurance Multi Tow« GM Twist Mount 7 Blade and 4 Flat Towing Connector

from

$35.99
By incorporating Endurance design features that include oversized hinges, internal grommets for enhanced weather proofing and a lid that opens 180 degrees, this connector is guaranteed to last for years of trouble free use. Multi-Tow® design feature adds multiple towing options from one connector by providing sockets for towing both 7 blade and 4 flat trailers. This connector is Plug-In Simple!® with no cutting or splicing, saving you time by utilizing an OEM connector to create an exact fit for easy installation and maximum weatherproofing. Easy twist-mount installation requires no tools.

Product Features:
  • Endurance Professional Grade
  • Plug-In Simple!® Wiring Kit
  • Utilizes OEM connectors create an exact fit and maximum weatherproofing
  • Multi-Tow® provides multiple towing options from one connector
  • Weatherproof lid opens 180 degrees
  • Oversized hinge offers ultimate durability
  • Superior Ergonomics
  • For Use w/Factory Tow Package
  • Impact And Corrosion Resistant
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CURT – Trailer Brake Controller Harness (Packaged) (Part No.51452)

Trailer Brake Controller Harness (Packaged)

from

$24.99
A CURT Quick Plug brake controller wiring adapter is one of the fastest and easiest ways to plug your brake controller into your vehicle. It requires no cutting or splicing! Just insert the vehicle-specific plug end into the OEM vehicle’s factory brake controller socket. The other end plugs into your CURT trailer brake controller. Quick Plug harnesses are available for a variety of vehicles and are unique for each vehicle application to provide the easiest possible installation. This particular brake controller harness fits certain years of the Cadillac Escalade, Escalade ESV, Chevy Silverado and GMC Sierra 1500, 1500 LD, 1500 Limited, 2500HD, 3500HD Suburban, Suburban 1500, Suburban 3500HD, Tahoe, Yukon and Yukon XL (see application info to verify fitment). CURT Quick Plug harnesses are compatible with most CURT brake controls and can be used as a replacement or for a new control unit installation. They’re also great for towing all types of trailers with electric brakes. For versatile mounting of your trailer brake controller this Quick Plug wire harness measures two feet long. It also features a slit loom sleeve to keep the wires protected against crushing and abrasions. CURT Quick Plug wire plug-in adapters are made with 12-gauge wires for a reliable connection and braking, and come with zip ties to keep the harness contained and out of sight.

Product Features:
  • Allows a CURT trailer brake controller to be plugged into OEM socket
  • Quick plug harness installs with plug-and-play convenience
  • Wire colors match standard brake controller harnesses
  • Includes 24″ of 12 gauge wire for flexible installation
  • Slit-loom sleeve keeps wires contained and protected
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CURT – Replacement OE 7-Way RV Blade Socket (Plugs into USCAR) (Part No.55415)

Replacement OE 7-Way RV Blade Socket (Plugs into USCAR)

from

$20.99
Like trailer hitches and ball mounts, electrical connectors range all over the board in shape, size and capability, but no matter what your trailer’s electrical functions are, you need a solid connection to keep the power flowing and ensure safety on the road. CURT electrical connectors are designed and manufactured to give you a reliable connection every time you plug in your trailer. This 7-way RV blade connector is designed to plug into a USCAR socket and supply power for tail lights, turn signals, electric trailer brakes, a 12-volt battery, reverse lights and brake lights, as well as a ground connection. It is intended to be a replacement trailer connector, plugging into a standard USCAR socket (see application info to verify fitment with your vehicle). It features rust-free black plastic construction and comes with a spring-loaded cover to keep out dust and water. This 7-way RV blade connector is a female-end socket, specifically designed for the vehicle side of the connection.

Product Features:
  • Plugs into USCAR socket to provide 7-way RV blade trailer wiring connector
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary power
  • Spring-loaded dust cover keeps connector clean when not in use
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CURT – Replacement OE 7-Way RV Blade Socket (Twists into USCAR) (Part No.56415)

Replacement OE 7-Way RV Blade Socket (Twists into USCAR)

from

$23.29
Like trailer hitches and ball mounts, electrical connectors range all over the board in shape, size and capability, but no matter what your trailer’s electrical functions are, you need a solid connection to keep the power flowing and ensure safety on the road. CURT electrical connectors are designed and manufactured to give you a reliable connection every time you plug in your trailer. This 7-way OEM USCAR replacement connector is designed to plug into a twist-in OEM vehicle socket and supply power for tail lights, turn signals, electric trailer brakes, a 12-volt battery, reverse lights and brake lights, as well as a ground connection. It features rust-free black plastic construction and comes with a spring-loaded cover to keep out dust and water. This 7-way RV blade connector is a female-end socket, specifically designed for the vehicle side of the connection (see application info to verify fitment with your vehicle).

Product Features:
  • Plugs into USCAR socket to provide 7-way RV blade trailer wiring connector
  • Twist-in, plug-and-play design eliminates the need for cutting or splicing
  • 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary power
  • Spring-loaded dust cover keeps connector clean when not in use
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CURT – Replacement OE 4-Way Flat Socket (Plugs into USCAR) (Part No.55515)

Replacement OE 4-Way Flat Socket (Plugs into USCAR)

from

$30.99
A CURT custom wiring connector (sometimes called a T-connector) is a simple, plug-and-play electrical device that eliminates the need for cutting, splicing and soldering when installing vehicle-to-trailer wiring. Most vehicles do not come ready to tow. Unless your vehicle has a towing package, it is probably not equipped with a trailer wiring connector. This is where CURT’s custom wiring connectors come into play. A custom wiring connector uses a single original equipment plug to plug into a special socket provided by your vehicle. Though this option is not available on every vehicle, some automotive manufacturers design their vehicles to be easily equipped for towing by supplying a socket, integrated into the vehicle’s electrical system, to readily accept a custom wiring connector. With a CURT custom wiring connector, there is no need to tap into the taillight assembly because a special socket is already provided. This custom wiring connector provides a 4-way flat connector socket and is designed to be a custom wiring option for a variety of vehicles (see application info to verify fitment with your vehicle). CURT custom wiring connectors are designed to be long-lasting and simple to install. They come with dust covers to keep your connector clean when not in use.

Product Features:
  • Plugs into USCAR socket to provide 4-way flat trailer wiring connector
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 4-way flat output connects tail lights, brake lights and turn signals
  • Dust cover included to keep connector clean when not in use
  • Slit loom keeps wires contained and well protected
  • Backed by a limited one-year warranty
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CARR – Cab Mount, Multi-Fit, Set Of 2, Flat Step, Polished Aluminum, 14" L (Part No.114032)

Cab Mount, Multi-Fit, Set Of 2, Flat Step, Polished Aluminum, 14" L

from

$279.99
LD step will give the user easier access to the vehicle due to the wider and deeper stepping surface which extends further than our other steps. The LD step is available in our three durable finishes, and installation is a cinch with our mounting system.

Product Features:
  • Easier Entry And Exit From Your Vehicle
  • Wide Functional Step Area
  • Extends Further Than Our Current Steps
  • Made Of Corrosion Resistant, Durable Cast Aluminum Alloy For Extreme Longevity
  • New Aggressive And Appealing Tread Design For A Non-Slip Surface
  • Unique Design That Enhances The Looks Of Current Vehicle Body Styles
  • Resists Scratches, Peeling And Fading
  • Rocker Panel Installation Provides For The Strongest And Easiest Installation Of Any Step Products
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CARR – Cab Mount, Multi-Fit, Set Of 2, Flat Step, Non-Extendable, Stationary, Aluminum (Part No.124031)

Cab Mount, Multi-Fit, Set Of 2, Flat Step, Non-Extendable, Stationary, Aluminum

from

$268.99
The stylish and innovative design of these steps add to a vehicle rugged off road look. Available in three low maintenance, extremely durable finishes to complement your vehicle appearance. Easily installed using our new multi mount system for superior strength and rigidity. Rocker panel installation provides for the strongest and easiest installation of any step products.

Product Features:
  • Exclusive New Multi Mount System
  • Made Of Corrosion Resistant, Durable Cast Aluminum Alloy
  • Rugged Diamond Tread Pattern Provides For Safe And Attractive Non Slip Surface
  • Unique Design Gives The Vehicle A Rugged Off Road Look, While Being A Stylish Accent For Today Vehicles
  • Strong Construction To Hold Up Under Extreme Conditions
  • Black Powder Coat Finish Features A Lightly Textured Matte Finish That Resists Scratching, Peeling And Fading
  • Strongest And Easy Installation
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CARR – Cab Mount, Multi-Fit, Set Of 2, Flat Step, Non-Extendable, Stationary, Aluminum (Part No.114031)

Cab Mount, Multi-Fit, Set Of 2, Flat Step, Non-Extendable, Stationary, Aluminum

from

$279.99
LD step will give the user easier access to the vehicle due to the wider and deeper stepping surface which extends further than our other steps. The LD step is available in our three durable finishes, and installation is a cinch with our mounting system.

Product Features:
  • Easier Entry And Exit From Your Vehicle
  • Wide Functional Step Area
  • Extends Further Than Our Current Steps
  • Made Of Corrosion Resistant, Durable Cast Aluminum Alloy For Extreme Longevity
  • New Aggressive And Appealing Tread Design For A Non-Slip Surface
  • Unique Design That Enhances The Looks Of Current Vehicle Body Styles
  • Resists Scratches, Peeling And Fading
  • Rocker Panel Installation Provides For The Strongest And Easiest Installation Of Any Step Products
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Dorman – Trailer Brake Control Switch – Circuit Board – OE Fix (Part No.601-237)

Trailer Brake Control Switch - Circuit Board - OE Fix

from

$56.99
When the original trailer brake control module circuit board fails on certain General Motors vehicles, the dealer solution is to replace the entire trailer brake control module assembly. This Dorman OE FIX circuit board allows the direct replacement of only the failed circuit board, saving significant repair expense.

Product Features:
  • Trailer Brake Control Switch – Circuit Board
  • Trailer Brake Control Switch – Circuit Board – OE Fix
  • Saves money – this direct-replacement trailer brake control module circuit board reduces repair cost by eliminating the need to replace entire failed module assembly
  • Seamless installation – designed to precise specifications for an exact fit and performance that matches the original equipment circuit board
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Hopkins – 7-Way Round / 4-Way Flat Socket and Bracket (Part No.40975)

7-Way Round / 4-Way Flat Socket and Bracket

from

$42.99
Tow more than one trailer? This exact OEM replacement Multi-Tow® design features multiple towing options from one connector by providing sockets for towing both 7 blade and 4 flat trailers. This connector is Plug-In Simple!® with no cutting or splicing, saving you time by utilizing an OEM connector to create an exact fit for easy installation and maximum weatherproofing.

Product Features:
  • Multi-Tow® Provides Multiple Towing Options From One Connector
  • Plug-In Simple® Wiring Kit
  • Utilizes OEM Connectors Create An Exact Fit
  • Includes Mounting Bracket And Hardware
  • Impact And Corrosion Resistant; Weatherproof Lid
  • Pre-Greased Terminals For Added Protection
  • Includes Step-By-Step Instructions
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Husky Towing – 7-Way Blade And 4-Way Flat, Plug-In Style (Part No.33058)

7-Way Blade And 4-Way Flat, Plug-In Style

from

$53.99
Husky Towing Products offers a complete line of hitches, brake assemblies, jacks, sway control solutions, and essential towing accessories. Each Husky product is precision engineered, constructed with durable, quality materials, and is rigorously tested to industry safety standards. Hitches are what Husky does best. From Class III receivers, to 5th wheels, to weight distribution hitches, Husky hitches help keep your towables safe and secure. Husky also offers accessories to accompany your hitch including hitch balls, shanks, locks, and more Electric tongue jacks, electrical and brake products, and cargo carriers are just a few other categories that make any towing experience easier.

Product Features:
  • Connects To Your Vehicle OEM Tow Package Connector
  • Easy-Open, Weatherproof Lid With Rugged, Oversized Hinge Allows Lid To Open 180 Degrees
  • Impact And Corrosion Resistant
  • Plug-In Simple(R) , No Cutting, No Splicing, Saves Time
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Husky Towing – 4 Way Flat And 7 Way Round, Utilizes Oem Connectors, 2 Door Connector Protection (Part No.33059)

4 Way Flat And 7 Way Round, Utilizes Oem Connectors, 2 Door Connector Protection

from

$44.99
Husky Towing Products Offers Innovative Designs, High Quality, Custom Installation And Safe, Easy Operation. Husky Is Source For A Complete Line Of Hitches, Electrical Products And Towing Accessories.

Product Features:
  • Provides Multiple Towing Options From One Connector
  • Connects To Your Vehicle OEM Tow Package Connector
  • Exact OEM Replacement For Enhanced Fit And Maximum Weatherproofing
  • Applies To Over 18 Different Vehicle Makes Equipped With A Factory Tow Package
  • High Impact, ABS Plastic Construction
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Hopkins – Vehicle Wiring Kit (Part No.41155)

Vehicle Wiring Kit

from

$25.99
Dont splice onto your vehicles factory wiring harness. Simply plug in this Hopkins® vehicle wiring kit featuring exact OEM matching connectors for a perfect weather-tight fit. This kit includes the accessories needed to get you towing faster.

Product Features:
  • Plug-In Simple® Wiring Kit
  • Utilizes OEM Connectors For Enhanced Fit And Weatherproofing
  • Includes Vehicle Side 4 Flat
  • Corrosion Resistant Terminals
  • Impact And Corrosion Resistant
  • Includes Dust Cover And Grease Packet To Prevent Corrosion
  • Includes Step-By-Step Instructions
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CURT – Dual-Output 7/4-Way Connector (Plugs into USCAR) (Part No.55774)

Dual-Output 7/4-Way Connector (Plugs into USCAR)

from

$31.49
A CURT custom wiring connector (sometimes called a T-connector) is a simple, plug-and-play electrical device that eliminates the need for cutting, splicing and soldering when installing vehicle-to-trailer wiring. Most vehicles do not come ready to tow. Unless your vehicle has a towing package, it is probably not equipped with a trailer wiring connector. This is where CURT’s custom wiring connectors come into play. A custom wiring connector uses a single original equipment plug to plug into a special socket provided by your vehicle. Though this option is not available on every vehicle, some automotive manufacturers design their vehicles to be easily equipped for towing by supplying a socket, integrated into the vehicle’s electrical system, to readily accept a custom wiring connector. With a CURT custom wiring connector, there is no need to tap into the taillight assembly because a special socket is already provided. This special custom wiring connector actually provides two connector sockets for a multipurpose option. It plugs into an OEM connector and offers a 4-way flat and 7-way RV blade connector. It comes with a mounting bracket for easy installation and is designed to be a custom wiring option for a variety of vehicles (see application info to verify fitment). CURT custom wiring connectors are designed to be long-lasting and simple to install. They come with dust covers to keep your connector clean when not in use.

Product Features:
  • Plugs into USCAR socket to provide 4-way and 7-way trailer wiring connectors
  • Fits USCAR-equipped vehicles with factory tow plugs only
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 4-way flat output connects tail lights, brake lights and turn signals
  • 7-way RV blade socket adds reverse lights, electric brakes and auxiliary power
  • Dust covers included to keep connectors clean when not in use
  • Slit loom keeps wires contained and well protected
  • Metal bracket securely mounts wiring to the vehicle or trailer hitch
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Hopkins – 40955, Multi-Tow® FORD / GM 7 Blade and 4 Flat Wiring Kit (Part No.40955)

40955, Multi-Tow® FORD / GM 7 Blade and 4 Flat Wiring Kit

from

$39.99
Tow more than one trailer? Multi-Tow® design feature adds multiple towing options from one connector by providing sockets for towing both 7 blade and 4 flat trailers. This connector is Plug-In Simple!® with no cutting or splicing, saving you time by utilizing an OEM connector to create an exact fit for easy installation and maximum weatherproofing.

Product Features:
  • Multi-Tow® provides multiple towing options from one connector
  • Plug-In Simple!® Wiring Kit
  • Utilizes OEM connectors create an exact fit and maximum weatherproofing
  • Includes mounting bracket and hardware
  • Impact and corrosion resistant
  • Fits in standard 7 blade bracket
  • Includes Step-By-Step Instructions
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CURT – Dual-Output 6/4-Way Connector (Plugs into USCAR) (Part No.55664)

Dual-Output 6/4-Way Connector (Plugs into USCAR)

from

$46.49
A CURT custom wiring connector (sometimes called a T-connector) is a simple, plug-and-play electrical device that eliminates the need for cutting, splicing and soldering when installing vehicle-to-trailer wiring. Most vehicles do not come ready to tow. Unless your vehicle has a towing package, it is probably not equipped with a trailer wiring connector. This is where CURT’s custom wiring connectors come into play. A custom wiring connector uses a single original equipment plug to plug into a special socket provided by your vehicle. Though this option is not available on every vehicle, some automotive manufacturers design their vehicles to be easily equipped for towing by supplying a socket, integrated into the vehicle’s electrical system, to readily accept a custom wiring connector. With a CURT custom wiring connector, there is no need to tap into the taillight assembly because a special socket is already provided. This special custom wiring connector actually provides two connector sockets for a multipurpose option. It plugs into an OEM USCAR connector and offers a 4-way flat and 6-way round connector (see application info to verify fitment with your vehicle). It also comes with a mounting bracket for easy installation. CURT custom wiring connectors are designed to be long-lasting and simple to install. They come with dust covers to keep your connector clean when not in use.

Product Features:
  • Plugs into USCAR socket to provide 4-way and 6-way trailer wiring connectors
  • Fits USCAR-equipped vehicles with factory tow plugs only
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 4-way flat output connects tail lights, brake lights and turn signals
  • 6-way round socket adds connection for electric brakes and auxiliary power
  • Dust covers included to keep connectors clean when not in use
  • Slit loom keeps wires contained and well protected
  • Metal bracket securely mounts wiring to the vehicle or trailer hitch
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Dorman – Trailer Hitch Electrical Connector Plug (Part No.924-307)

Trailer Hitch Electrical Connector Plug

from

$32.99
This trailer hitch plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this trailer hitch plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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2018 GMC Yukon XL Towing Products

You count on your 2018 GMC Yukon XL to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Towing Products. With 21 Towing Products ranging in price from $20.99 to $279.99, you’re sure to find everything you need for your 2018 GMC Yukon XL.

Brands matter. If you want to shop a specific Towing Products brand, we stock 5 different brands like Hopkins, CURT, and Dorman. 2018 GMC Yukon XL Towing Products start as low as $20.99!

One of the best ways to find top quality OEM or aftermarket Towing Products is by asking professionals. Short of that, you can shop with confidence thanks to our 276 extensive product reviews on 2018 GMC Yukon XL Towing Products. Some of the top-rated Towing Products products we carry are 40930, Endurance GM Twist Mount 7 Blade Towing Connector with 3.5 stars.

Did we mention you can order your Towing Products from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Towing Products inventory for your 2018 GMC Yukon XL below to get started!

Top-Rated Towing Products Brands For Your 2018 GMC Yukon XL

Trusted Towing Products OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2018 GMC Yukon XL running right for years to come. In our inventory you’ll find brands like Hopkins, CURT, Dorman, and even more.

Popular Dorman Towing Products

You’ll find popular Dorman brand products across Trailer and Towing Accessories. All are waiting to get your 2018 GMC Yukon XL back on the road. Some of the top-rated Dorman products in these categories are:
Trailer Hitch Electrical Connector Plug
from $32.99
(2)
Trailer Hitch Electrical Connector Plug
Towing Accessories

Top-Rated Hopkins Towing Products


If Hopkins are what you’re looking for, our inventory holds plenty. We stock Hopkins brand Towing Products for your 2018 GMC Yukon XL, and some of our most reviewed Hopkins parts include:
40955, Multi-Tow® FORD / GM 7 Blade and 4 Flat Wiring Kit
from $39.99
(20)
40955, Multi-Tow® FORD / GM 7 Blade and 4 Flat Wiring Kit
Trailer Wiring Harness

FAQs for 2018 GMC Yukon XL Towing Products

What are the most purchased Towing Products for the 2018 GMC Yukon XL?

Out of 21 Towing Products for the 2018 GMC Yukon XL, the most popular in our inventory are:
Dual-Output 7/4-Way Connector (Plugs into USCAR)
from $31.49
This product is not rated
Dual-Output 7/4-Way Connector (Plugs into USCAR)
Trailer Wiring Harness
Replacement OE 4-Way Flat Socket (T s into USCAR)
from $33.49
This product is not rated
Replacement OE 4-Way Flat Socket (T s into USCAR)
Trailer Wiring Kits

What are the top-rated 2018 GMC Yukon XL Towing Products?

Top-rated Towing Products for your 2018 GMC Yukon XL based on customer reviews/ratings are:
40930, Endurance GM Twist Mount 7 Blade Towing Connector
from $23.99
(2)
40930, Endurance GM Twist Mount 7 Blade Towing Connector
“30 second install, good product”