2003 GMC Sierra 3500 Towing Products

Essential 2003 GMC Sierra 3500 Towing Products

Milemarker – HI9000; Hydraulic Winch (Part No.75-50085C)

HI9000; Hydraulic Winch

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$1806.99
Mount to front of vehicle. Can be permanent or detachable. Free spooling and mechanical lock. Sealed against elements, can be used under water. Corrosion resistant. Stainless steel tie bars and fasteners. Reversible mounting. Limited warranty.

Product Features:
  • Mounts To Front Of Vehicle
  • Can Be Permanent Or Detachable
  • Free spooling; Mechanical Lock
  • Sealed Against Elements; Can Be Used Under Water
  • Stainless Steel Tie Bars And Fasteners
  • Reversible Mounting
  • Limited Warranty
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Milemarker – Winch Cradle (Part No.60-06495)

Winch Cradle

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$249.99
Fits a 2 inch receiver hitch. Can be used in the front, back, or on another vehicle.

Product Features:
  • Winch Cradle
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Draw-tite Hitches – Class V Hitch (Part No.41947)

Class V Hitch

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$414.99
Class I Trailer Hitch

Product Features:
  • 2″ Square Receiver Tube Opening
  • Ultra Frame receivers are designed for full size long wheelbase trucks, vans and utility vehicles with full frames and heavy-duty suspensions
  • Strong, secure heavy-duty side bracket design
  • Ideal for high tongue weight applications
  • Neat Appearance, All Frame Attachments
  • A-Coat Base with Black Powder Coat Finish
  • Rated up to 15,000 lbs. (GTW) Weight Carrying (WC)
  • Rated up to 16,000 lbs. (GTW) Weight Distributing (WD)
  • Solid All-Welded Construction for Maximum Strength and Safety
  • Custom Built According to Manufacturer & Model Year
  • Ensures Perfect Fit and Top Towing Performance
  • Computer-Aided Design and Fatigue Stress Testing
  • Designed to Withstand Road Abuse Within Specified Capacities
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Dee Zee – Dee Zee Headache Rack Mount, Rectangle, Black, Without Light, Side Mount (Part No.DZ95064)

Dee Zee Headache Rack Mount, Rectangle, Black, Without Light, Side Mount

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$46.49
Add light mounts to your Dee Zee Aluminum or Steel Headache Rack or Rear Rack. With these convenient mounts that slide into the built in channel system, mounting your auxiliary lights is quick and easy. Several size options to meet your needs.

Product Features:
  • Made From Rugged Steel
  • Protective Gloss Black Powder Coat Finish
  • Utilize The Accessory Channel On Aluminum Cab Racks
  • Several Size Options To Meet Your Needs
  • Made In USA
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CURT – Trailer Hitch: 2" Receiver, 10,000 LB Capacity, Installs as low as 60 Mins (Part No.14082)

Trailer Hitch: 2" Receiver, 10,000 LB Capacity, Installs as low as 60 Mins

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$309.99
Whatever the next item is on your to-do list — whether it’s arriving at the jobsite before dawn or getting your travel trailer set up in time to see the sunset — CURT class 4 trailer hitches offer greater towing power to let you Bring It. These custom receiver hitches are built to tackle bigger jobs and bolder adventures, all while giving you a custom fit for your vehicle. Class 4 hitches are available for a variety of makes and models, from pickup trucks and SUVs to full-size and commercial vans. This particular class 4 hitch fits certain years of the Chevy C30, C3500, C3500HD or Silverado 3500, Ford F Super Duty, F350, F350 Super Duty, F450 Super Duty or F550 Super Duty and GMC C3500, C3500HD or K3500 (to verify vehicle compatibility, see application info). It provides a weight carrying capacity of 10,000 lbs. GTW and 1,000 lbs. TW. It can also accept a weight distributing hitch, offering a maximum WD capacity of 12,000 lbs. and a WDTW of 1,200 lbs. CURT class 4 tow hitches are as much suited for work as they are for play. With their high load capacities, they are typically used for towing larger trailers, including everything from a double-axle utility trailer or livestock trailer to a full-length camper or large boat trailer (NOTE: Never exceed the lowest weight capacity of any towing component). All CURT class 4 receiver hitches come with a 2″ receiver tube opening and all the necessary hardware for a complete installation. From light-duty to heavy-duty, every CURT custom hitch is engineered to be vehicle-specific, using actual vehicles to create the optimal design. We then combine high-strength steel, precise welding and a co-cured finish of liquid A-coat and durable black powder coat to provide you with a hitch you can depend on. To prove it, we test all our hitches in accordance with SAE J684 for safety.

Product Features:
  • Rated to 10,000 lbs. gross trailer weight and 1,000 lbs. tongue weight
  • Compatible with weight distribution hitch (12,000 lbs. WD / 1,200 lbs. WDTW)
  • Engineered with a vehicle-specific design for a custom fit
  • Concealed main body for OE look and seamless integration with the vehicle
  • Tested for safety in accordance with SAE J684
  • Precisely welded for superior strength and fit
  • Protected by a durable high-gloss black powder coat finish
  • Co-cured in a rust-resistant liquid A-coat, inside and out
  • Equipped with an open-back receiver for easy cleaning
  • Made in USA (may include imported hardware)
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Dee Zee – Dee Zee Headache Rack Mount, 250 Pound Capacity, Black, Aluminum, 2 Piece (Part No.DZ95002)

Dee Zee Headache Rack Mount, 250 Pound Capacity, Black, Aluminum, 2 Piece

from

$57.99
It does not matter what you haul, you need to make sure to secure it properly in order to protect your truck, yourself and other motorists. Dee Zee Cab Rack Tie Downs offer a reliable method for securing your cargo to your cab rack. Designed to fit into your cab rack integrated channel, our Tie Downs glide along your rack accessory channel tightening into place for virtually endless possibilities.

Product Features:
  • Tie Down Anchor For Cargo
  • Cast Aluminum Finish
  • Fits Into Integrated Channel In Cab Rack
  • No Drilling Required
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Husky Towing – Fifth Wheel T-Connector (Part No.30392)

Fifth Wheel T-Connector

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$106.99
Easily route towing electrical functions into the truck bed for 5th wheel trailers, while retaining electrical functions at the rear of the vehicle.

Product Features:
  • Easily Route Towing Electrical Functions Into The Truck Bed For Fifth Wheel Trailers
  • Reinforced 90 degree angle
  • Plugs into OEM wiring system
  • Easy to install
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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

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$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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CURT – 10ft. Custom Wiring Harness Extension (Adds 7-Way RV Blade to Truck Bed) (Part No.56000)

10ft. Custom Wiring Harness Extension (Adds 7-Way RV Blade to Truck Bed)

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$131.99
There is nothing like the luxury and power that go along with heavy-duty towing. 5th wheel RVs offer a deluxe, home-away-from-home experience unlike any other, while gooseneck trailers possess a strength that far surpasses most other trailer options. As with any trailer, however, 5th wheels and goosenecks must be equipped with the proper lighting and electrical systems, and tend to require even more complex connectors than a standard receiver-type trailer setup. Make things simple with a CURT 5th wheel / gooseneck extension harness. These wiring harnesses are designed to put an extra connector socket in the bed of your pickup truck while still retaining power to the rear connector socket mounted on your bumper. This is done by plugging into the back of the existing original equipment (OEM) harness and routing through the body of the truck to a hole in the truck bed, providing a connector that is ready to accommodate your 5th wheel or gooseneck trailer. This CURT extension harness is designed to work with 7-way RV blade connectors and comes in a length of 10′. It is compatible with certain models of Chevrolet, Dodge, Ford, GMC, Nissan, Ram and Toyota (see application to verify fitment). When you need a towing electrical solution that allows you to switch back and forth between your receiver hitch and specialized trailer hitch, CURT gets you plugged in.

Product Features:
  • Routes a 7-way RV blade socket into truck bed while retaining use of rear socket
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • Allows for easy connection of 5th wheel or gooseneck wiring
  • 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary power
  • 10′ extension with right-angle plug for easy installation
  • Spring-loaded dust cover keeps connector clean when not in use
  • Slit loom keeps wires contained and well protected
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Carquest Premium – Trailer Connector Kit (Part No.TCC1255)

Trailer Connector Kit

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$62.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest Premium electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
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K-Source – Towing Mirror Assembly: Passenger Side, Power Adjustment, Heated, Foldable, 1 Pk (Part No.62075GE)

Towing Mirror Assembly: Passenger Side, Power Adjustment, Heated, Foldable, 1 Pk

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$146.99
Original Equipment Manufacturer Style Replacement Side View Towing Mirror. K Source is a unique manufacturer in that we specialize in making only automotive and motorcycle mirrors. Our experience in this category for over 71 years is exactly what our customers have come to trust and rely upon, as our manufacturing and marketing expertise has consistently led the market in replacement products.

Product Features:
  • Passenger side Mirror, tested to fit and function like the original, Meets or exceeds Original Equipment Manufacturer standards
  • Mirror glass is power adjustable and heated
  • OE-comparable wiring harness/ connection (no “pigtail” connector) for hassle-free installation
  • Manual folding for additional clearance
  • Textured Black
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K-Source – 03-07, CHEVY Avalanche , 03-06, Driver, Heated Power (Part No.62076G)

03-07, CHEVY Avalanche , 03-06, Driver, Heated Power

from

$241.99
Original Equipment Manufacturer Style Replacement Side View Towing Mirror. K Source is a unique manufacturer in that we specialize in making only automotive and motorcycle mirrors. Our experience in this category for over 71 years is exactly what our cust

Product Features:
  • Driver side Mirror, tested to fit and function like the original, Meets or exceeds Original Equipment Manufacturer standards
  • Mirror glass is power adjustable and heated, with turn signal
  • OE-comparable wiring harness/ connection (no “pigtail” connector) for hassle-free installation
  • Manual folding for additional clearance
  • Textured Black
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CARR – Cab Mount, Multi-Fit, Set Of 2, Flat Step, Textured, Matte Black, Aluminum (Part No.103991)

Cab Mount, Multi-Fit, Set Of 2, Flat Step, Textured, Matte Black, Aluminum

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$142.99
Uniquely designed diamond tread pattern provides a safe non slip surface on the flat step area. Our exclusive multi mount system is designed for precision fit and easier installation. Constructed of an extremely strong die cast aluminum alloy for the ultimate in quality and durability. 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, Single, Flat Step, Powder Coated, Black, Aluminum (Part No.103991-1)

Cab Mount, Multi-Fit, Single, Flat Step, Powder Coated, Black, Aluminum

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$76.99
Uniquely designed diamond tread pattern provides a safe non slip surface on the flat step area. Our exclusive multi mount system is designed for precision fit and easier installation. Constructed of an extremely strong die cast aluminum alloy for the ultimate in quality and durability. 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 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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Hopkins – Time Based Brake Control – Digital (Part No.47285)

Time Based Brake Control - Digital

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$84.99
The 47285 brake control utilizes time based actuation for applying braking power to the trailer brakes. The built-in digital display makes it easy for setting braking intensity. The braking force to the trailer can easily be adjusted from 5% to 99% for setting the exact percentage of brake power desired. Most states and provinces require a trailer brake controller based on the weight of the trailer.

Product Features:
  • Time-Based Braking
  • Mounts At Any Angle
  • Percentage Of Braking Power Shown
  • Fully Digital Settings
  • Intuitive Vertical Manual Slide
  • Short Proof Protected
  • Controls Up To 4 Trailer Brakes
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Hopkins – 47297, InSIGHT Plug In Simple!® Trailer Brake Control (Part No.47297)

47297, InSIGHT Plug In Simple!® Trailer Brake Control

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$124.99
New trucks are becoming more car-like every year making it almost impossible to install a traditional brake controller. With the InSIGHT brake control, you gain the flexibility needed to make a simple, no tools required installation in any vehicle. This three part system allows the driver to bring the display back in sight where they can see what is going on as well as bringing the controls within a comfortable reach whether you are right or left handed. Mount the brain of the system out of sight. So, no more banging your knee every time you get in and out of your vehicle. This proportional brake controller creates stops that are safe and smooth, making you feel like you aren’t even towing a trailer! With easy to set gain adjustments and a digital display will make setting this brake control quick and easy. Seven On-the-fly sensitivity settings allows you to adjust for trailer weights and weather at the press of a button. Most states and provinces require a trailer brake controller based on the weight of the trailer.

Product Features:
  • Proportional braking
  • No Tools Required Installation, no drilling required
  • Percentage of braking power shown
  • 7 Sensitivity Settings for Advanced Braking Control
  • Intuitive vertical manual slide
  • Short Proof Protected
  • Controls up to 8 trailer brakes
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CURT – Double Lock EZr Gooseneck Installation Brackets (Part No.60648)

Double Lock EZr Gooseneck Installation Brackets

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$383.99
They’ve made the truck said to turn the world under its tires and the trailer that moves mountains in a day. But what about the hitch powerful enough to connect the two? The CURT under-bed Double Lock EZr gooseneck hitch features a gross trailer weight capacity up to 30,000 lbs., a vertical load limit of 7,500 lbs. and easier, more secure towing for your gooseneck trailer. Providing a solid foundation for the Double Lock EZr, this set of gooseneck installation brackets is designed for a vehicle-specific fit to maximize your pickup’s towing potential and integrate with the frame seamlessly. Installation with the CURT Double Lock EZr is fast and easy. Because the installation brackets are made vehicle-specific, they use pre-existing holes in the vehicle’s frame and require less drilling. The Double Lock EZr requires only one person during installation, using retainer clips to keep bolts secure and the center section fully supported while mounting it into place. It also uses carriage bolts whenever possible for one-wrench tightening and does not require the exhaust to be lowered during installation. This particular set of gooseneck installation brackets is specifically designed to mount the CURT Double Lock EZr gooseneck hitch #60619 on certain years of the Chevy Silverado and GMC Sierra 2500HD or 3500 (see application info to verify fitment). It features a laser-cut construction for a precise fit and is rated to the vehicle’s maximum gross trailer weight capacity. With each gooseneck installation bracket sub kit, we provide the necessary hardware for an easier installation, and we coat our gooseneck brackets in a liquid A-coat to make sure rust and other potential threats are not a problem.

Product Features:
  • Mounts the Double Lock EZr gooseneck hitch on specific pickup truck models
  • Vehicle-specific design optimizes strength and installation time
  • Constructed from high-strength, laser-cut steel for a precise fit
  • Protected by a rust-resistant liquid A-coat
  • Includes grade-8 mounting hardware
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CURT – Over-Bed Fixed Ball Gooseneck Hitch (Part No.61100)

Over-Bed Fixed Ball Gooseneck Hitch

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$165.99
CURT fixed ball gooseneck hitches are built to deliver all the towing power you need to tackle the demands of the job, without breaking the bank. When your day starts the moment you climb into the seat of that full-size 4×4 pickup, your towing equipment needs to be a reliable extension of your truck. CURT fixed ball gooseneck hitches are a permanent towing solution that offer reliable strength at an economical price. This CURT fixed ball hitch features an over-bed design, installing directly on top of your truck bed using CURT over-bed gooseneck installation brackets. It offers a gross trailer weight capacity up to 30,000 lbs. to allow you to tow whatever heavy-duty trailer you need, from point A to point B, whether a livestock trailer full of horses, a flatbed piled with building materials or a car hauler carrying a backhoe. This fixed ball gooseneck hitch also comes with a standard 2-5/16″ gooseneck trailer ball welded onto a thick 12″ x 12″ steel plate. The fixed design ensures the ball can never be loosened or stolen, increasing safety on the road and preventing theft. Also, to ensure that CURT fixed ball gooseneck hitches can indeed be called CURT hitches, we finish them in a durable carbide powder coat that provides the necessary protection against rust, wear and other everyday threats you meet off the beaten path. For the best quality and durability in gooseneck towing, CURT is the obvious choice. We carefully engineer, test and manufacture our gooseneck hitches to meet today’s safety standards and exceed all expectations. For a gooseneck hitch with all the quality of a CURT hitch and the economy to keep your wallet full, there is nothing like a CURT fixed ball gooseneck hitch.

Product Features:
  • Accepts up to 30,000 lbs. GTW and 7,500 lbs. vertical load limit
  • 2-5/16″ trailer ball fits all standard gooseneck trailers
  • Permanently attached gooseneck ball eliminates theft and loss
  • Protected by a highly durable carbide powder coat finish
  • Reinforcement required to reach max gross trailer weight rating
  • Safety chain hookup loops #66113 sold separately
  • Assembled in USA
  • Limited lifetime warranty (one-year finish, one-year parts)
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Milemarker – Winch Hydraulic Fittings (Part No.35-5020-15)

Winch Hydraulic Fittings

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$124.99
For use with 75 Series and HI Series winches.

Product Features:
  • Winch Hydraulic Fittings
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CURT – Trailer Hitch: 2" Receiver, 8,000 LB Capacity, Installs as low as 40 Mins (Part No.13208)

Trailer Hitch: 2" Receiver, 8,000 LB Capacity, Installs as low as 40 Mins

from

$261.99
Whatever your task at hand — whether it’s launching that boat before daybreak, setting up your camper before the rush or getting a final load to the dump before close — CURT class 3 trailer hitches offer the strength needed for serious towing. They make it easy to hitch up and Bring It, offering a vehicle-specific fit and the weight capacity to handle a variety of trailers. Custom class 3 hitches are the most common type of receiver hitch for pickup trucks and SUVs. Because of their weight range, they are also found on full-size cars, crossovers and minivans. Each custom-fit class 3 hitch package is made for vehicle-specific mounting. This particular kit fits certain years of the Chevy Silverado 2500 HD, 2500 HD Classic, 3500, 3500 Classic or 3500 HD and GMC Sierra 2500 HD, 2500 HD Classic, 3500, 3500 Classic or 3500 HD (see application info to verify vehicle compatibility). It provides a weight carrying capacity of 8,000 lbs. GTW and 800 lbs. TW. It is also compatible with a weight distribution hitch for level towing and a rating of 12,000 lbs. WD and 1,200 lbs. WDTW. CURT class 3 trailer hitches are typically used to attach and haul utility trailers, boat trailers, campers, snowmobile or ATV haulers and more (NOTE: Never exceed the lowest-rated towing component). Each class 3 hitch has a 2″ receiver tube and is tested in accordance with SAE J684 for safety. To ensure that CURT class 3 receiver hitches have what it takes for serious trailering, they are designed using a hands-on approach and are constructed with rugged, high-strength steel and precise welding. We also protect our class 3 hitches in a co-cured finish of liquid A-coat and black powder coat for superior resistance to rust, chipping and UV damage.

Product Features:
  • Rated to 8,000 lbs. gross trailer weight and 800 lbs. tongue weight
  • Compatible with weight distribution hitch (12,000 lbs. WD / 1,200 lbs. WDTW)
  • Engineered with a vehicle-specific design for a custom fit
  • Tested for safety in accordance with SAE J684
  • Precisely welded for superior strength and fit
  • Protected by a durable high-gloss black powder coat finish
  • Co-cured in a rust-resistant liquid A-coat, inside and out
  • Equipped with an open-back receiver for easy cleaning
  • Made in USA (may include imported hardware)
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CURT – Trailer Hitch: 2" Receiver, 6,000 LB Capacity, Installs as low as 30 Mins (Part No.13211)

Trailer Hitch: 2" Receiver, 6,000 LB Capacity, Installs as low as 30 Mins

from

$372.99
Whatever your task at hand — whether it’s launching that boat before daybreak, setting up your camper before the rush or getting a final load to the dump before close — CURT class 3 trailer hitches offer the strength needed for serious towing. They make it easy to hitch up and Bring It, offering a vehicle-specific fit and the weight capacity to handle a variety of trailers. Custom class 3 hitches are the most common type of receiver hitch for pickup trucks and SUVs. Because of their weight range, they are also found on full-size cars, crossovers and minivans. Each custom-fit class 3 hitch package is made for vehicle-specific mounting. This particular kit fits certain years of the Chevy Silverado 2500 HD, 2500 HD Classic, 3500, 3500 HD or 3500 Classic and GMC Sierra 2500 HD, 2500 HD Classic, 3500, 3500 HD or 3500 Classic (see application info to verify vehicle compatibility). It provides a weight carrying capacity of 6,000 lbs. GTW and 600 lbs. TW. It is also compatible with a weight distribution hitch for level towing and a rating of 10,000 lbs. WD and 1,000 lbs. WDTW. CURT class 3 trailer hitches are typically used to attach and haul utility trailers, boat trailers, campers, snowmobile or ATV haulers and more (NOTE: Never exceed the lowest-rated towing component). Each class 3 hitch has a 2″ receiver tube and is tested in accordance with SAE J684 for safety. To ensure that CURT class 3 receiver hitches have what it takes for serious trailering, they are designed using a hands-on approach and are constructed with rugged, high-strength steel and precise welding. We also protect our class 3 hitches in a co-cured finish of liquid A-coat and black powder coat for superior resistance to rust, chipping and UV damage.

Product Features:
  • Rated to 6,000 lbs. gross trailer weight and 600 lbs. tongue weight
  • Compatible with weight distribution hitch (10,000 lbs. WD / 1,000 lbs. WDTW)
  • Engineered with a vehicle-specific design for a custom fit
  • Tested for safety in accordance with SAE J684
  • Precisely welded for superior strength and fit
  • Protected by a durable high-gloss black powder coat finish
  • Co-cured in a rust-resistant liquid A-coat, inside and out
  • Equipped with an open-back receiver for easy cleaning
  • Made in USA (may include imported hardware)
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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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CURT – Trailer Brake Controller Harness (Packaged) (Part No.51343)

Trailer Brake Controller Harness (Packaged)

from

$30.99
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 EXT, Chevy Silverado or GMC Sierra 1500, 1500HD, 2500, 2500HD, 3500, Suburban 1500, 2500, Avalanche 1500, 2500, Tahoe, GMC Yukon, Yukon XL 1500 and 2500 (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 – Trailer Brake Controller Harness (Packaged) (Part No.51353)

Trailer Brake Controller Harness (Packaged)

from

$29.49
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, Escalade EXT, Hummer H2, Chevrolet Silverado and GMC Sierra 1500, 1500HD, 1500 Classic, 1500HD Classic, 2500, 2500HD, 3500, 3500 Classic, Avalanche 1500, 2500, Suburban 1500, 2500, Tahoe, Yukon, Yukon XL 1500 and 2500 (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 – Trailer Brake Controller Harness, Select Cadillac, Chevrolet, GMC (Part No.51342)

Trailer Brake Controller Harness, Select Cadillac, Chevrolet, GMC

from

$19.49
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 EXT, Chevy Silverado or GMC Sierra 1500, 1500HD, 2500, 2500HD, 3500, Suburban 1500, 2500, Avalanche 1500, 2500, Tahoe, GMC Yukon, Yukon XL 1500 and 2500 (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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Husky Towing – Compatible With Controllers Without A Connector, Universal Plug, 1 Plug (Part No.31865)

Compatible With Controllers Without A Connector, Universal Plug, 1 Plug

from

$20.99
Husky custom wiring harnesses fits all Husky brake controls that have a similar shaped plug. Simply attach the adapter to the Husky brake control. The safest or easiest way to wire a brake control to your tow-prepped vehicle.

Product Features:
  • The Safest Or Easiest Way To Wire A Brake Control To Your Tow-Prepped Vehicle
  • Simply Attach The Adapter To The Brake Control
  • Constructed with durable, quality materials, and is rigorously tested to industry safety standards
  • Easy to install
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Husky Towing – Wire Connector Univ (Part No.31866)

Wire Connector Univ

from

$21.99
Husky custom wiring harnesses fits all Husky brake controls that have a similar shaped plug. Simply attach the adapter to the Husky brake control. The safest or easiest way to wire a brake control to your tow prepped vehicle.

Product Features:
  • The Safest Or Easiest Way To Wire A Brake Control To Your Tow Prepped Vehicle
  • Simply Attach The Adapter To The Brake Control
  • Limited 90 Day Warranty
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2003 GMC Sierra 3500 Towing Products

You count on your 2003 GMC Sierra 3500 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 64 Towing Products ranging in price from $7.99 to $1,971.99, you’re sure to find everything you need for your 2003 GMC Sierra 3500.

Brands matter. If you want to shop a specific Towing Products brand, we stock 10 different brands like Hopkins, CURT, and Dorman. 2003 GMC Sierra 3500 Towing Products start as low as $7.99!

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 504 extensive product reviews on 2003 GMC Sierra 3500 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 and Towing Mirror Assembly: Both Sides, Power Adjustment, Heated, Foldable, 2 Pk with 5.0 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 2003 GMC Sierra 3500 below to get started!

Top-Rated Towing Products Brands For Your 2003 GMC Sierra 3500

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 2003 GMC Sierra 3500 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 Hitches. All are waiting to get your 2003 GMC Sierra 3500 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
Trailer Hitch Plugs

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 2003 GMC Sierra 3500, 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
47284, Reliance Plug-In Simple!® Trailer Brake Control
from $78.99
(19)
47284, Reliance Plug-In Simple!® Trailer Brake Control
Trailer Brake Controls
48035, 4 Flat Vehicle Side Towing Connector (48")
from $7.99
(5)
48035, 4 Flat Vehicle Side Towing Connector (48")
Trailer Wiring Kits

FAQs for 2003 GMC Sierra 3500 Towing Products

What are the most purchased Towing Products for the 2003 GMC Sierra 3500?

Out of 64 Towing Products for the 2003 GMC Sierra 3500, the most popular in our inventory are:
47297, InSIGHT Plug In Simple!® Trailer Brake Control
from $124.99
This product is not rated
47297, InSIGHT Plug In Simple!® Trailer Brake Control
Trailer Brake Controls

What are the top-rated 2003 GMC Sierra 3500 Towing Products?

Top-rated Towing Products for your 2003 GMC Sierra 3500 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”
Towing Mirror Assembly: Both Sides, Power Adjustment, Heated, Foldable, 2 Pk
from $406.99
(1)
Towing Mirror Assembly: Both Sides, Power Adjustment, Heated, Foldable, 2 Pk
“Easy to install and works great”
03-07, CHEVY Avalanche , 03-06, Driver, Heated Power
from $241.99
(1)
03-07, CHEVY Avalanche , 03-06, Driver, Heated Power
“OEM number didn’t match exactly when ordered but it fit as intended and looks & works just a good as the original. Outstanding price when compared to”