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Select your vehicle to confirm this part fits.
Confirmed to Fit
2001 - 2004 Chevrolet Silverado 2500
Confirmed to Fit
2001 - 2004 Chevrolet Silverado 2500
Confirmed to Fit
2001 - 2010 Chevrolet Silverado 2500 HD
Confirmed to Fit
2001 - 2010 Chevrolet Silverado 2500 HD
Confirmed to Fit
2001 - 2010 Chevrolet Silverado 2500 HD
Confirmed to Fit
2007 Chevrolet Silverado 2500 HD Classic
Confirmed to Fit
2007 Chevrolet Silverado 2500 HD Classic
Confirmed to Fit
2007 Chevrolet Silverado 2500 HD Classic
Confirmed to Fit
2001 - 2006 Chevrolet Silverado 3500
Confirmed to Fit
2001 - 2006 Chevrolet Silverado 3500
Confirmed to Fit
2001 - 2006 Chevrolet Silverado 3500
Confirmed to Fit
2007 Chevrolet Silverado 3500 Classic
Confirmed to Fit
2007 Chevrolet Silverado 3500 Classic
Confirmed to Fit
2007 Chevrolet Silverado 3500 Classic
Confirmed to Fit
2007 - 2010 Chevrolet Silverado 3500 HD
Confirmed to Fit
2007 - 2010 Chevrolet Silverado 3500 HD
Confirmed to Fit
2007 - 2010 Chevrolet Silverado 3500 HD
Confirmed to Fit
2004 GMC Sierra 2500
Confirmed to Fit
2001 - 2004 GMC Sierra 2500
Confirmed to Fit
2001 - 2004 GMC Sierra 2500
Confirmed to Fit
2001 - 2010 GMC Sierra 2500 HD
Confirmed to Fit
2001 - 2010 GMC Sierra 2500 HD
Confirmed to Fit
2001 - 2010 GMC Sierra 2500 HD
Confirmed to Fit
2007 GMC Sierra 2500 HD Classic
Confirmed to Fit
2007 GMC Sierra 2500 HD Classic
Confirmed to Fit
2007 GMC Sierra 2500 HD Classic
Confirmed to Fit
2001 - 2006 GMC Sierra 3500
Confirmed to Fit
2001 - 2006 GMC Sierra 3500
Confirmed to Fit
2001 - 2006 GMC Sierra 3500
Confirmed to Fit
Confirmed to Fit
Confirmed to Fit
Confirmed to Fit
2007 - 2010 GMC Sierra 3500 HD
Confirmed to Fit
2007 - 2010 GMC Sierra 3500 HD
Confirmed to Fit
2007 - 2010 GMC Sierra 3500 HD
Confirmed to Fit





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Select your vehicle to find the exact plug-and-play parts that fit — no cutting or splicing.
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Trailer hitch weight ratings are limited to vehicle manufacturer's stated capacities
Includes strong, grade-8 installation hardware
Includes strong, grade-8 installation hardware
Warranty: Limited Lifetime Warranty (One-Year Finish, One-Year Parts)
Main Body Shape: Square
Receiver Tube Size (Inches): 2-1/2 IN
WC / TW (Pounds): 2,700 LB / 18,000 LB
WD / WDTW (Pounds): 18,000 LB / 2,700 LB
Weight Carrying Capacity (Pounds): 18,000 LB
WC Tongue Weight (Pounds): 2,700 LB
Weight Distribution (Pounds): 18,000 LB
WD Tongue Weight (Pounds): 2,700 LB
Installation Difficulty: Novice
Installation Time Exact (Minutes): 30
In the world of commercial towing, more is expected. A job cannot be completed if the equipment cannot handle the workload. That is why CURT developed the Commercial Duty class 5 trailer hitch. Constructed from steel and engineered for power, these class 5 hitches are designed to complement the towing power of full-size, commercial pickup trucks, including diesels and chassis cabs. They can easily handle a variety of oversize trailers, including toy and car haulers, livestock trailers, dumper trailers, large flatbed trailers, large boat trailers and more (NOTE: Never exceed the lowest weight capacity of any towing component). This particular class 5 hitch features a gross trailer weight capacity of 18,000 lbs. and a tongue weight capacity of 2,700 lbs. It is designed to be a custom trailer hitch for certain years of the Chevy Silverado 2500, 2500 HD, 2500 HD Classic, 3500, 3500 HD or 3500 Classic and GMC Sierra 2500, 2500 HD, 2500 HD Classic, 3500, 3500 HD or 3500 Classic (to verify your vehicle compatibility, see application info). All CURT Commercial Duty class 5 hitches feature a 2-1/2" x 2-1/2" receiver tube opening to accept the strongest of ball mounts and towing accessories. They are perfect for mounting standard ball mounts, pintle mounts, tow hooks and weight distribution hitches as well as winch mounts and cargo carriers. CURT class 5 tow hitches are protected by a co-curing of liquid A-coat and carbide black powder coat finish. They also mount with grade-8 hardware, included with each hitch.

CURT offers a variety of high-quality trailer hitches and accessories for select vehicle models. Find the perfect fit for your towing needs at TowUniverse.
CURT, a Lippert brand, offers a complete line of towing products and is the leading manufacturer of custom-fit trailer hitches. We offer the broadest selection of custom-fit hitches, and each one is designed, welded, and coated in Wisconsin.
CURT is also a leader in flat towing products, as well as 5th wheel, gooseneck, and weight distribution hitches, ball mounts, electrical components, cargo solutions, and other towing accessories.
For everything from passenger cars and vans to full-size pickups and SUVs, CURT is 'The First Name in Towing Products®.'
Experts available to answer your questions
Call 888-634-9494Equip your vehicle for towing and hitch-mounted accessories with a dependable CURT 2" trailer hitch. Designed for a vehicle-specific fit, CURT receiver hitches provide a strong and secure connection point for towing trailers, carrying bikes, transporting cargo and using other compatible 2-inch hitch accessories.
Our selection of CURT 2-inch receiver hitches includes options for trucks, SUVs, crossovers, vans and passenger vehicles. Each hitch is engineered to match specific vehicle mounting points, helping provide a clean installation and dependable performance. Depending on the vehicle application, available options may include Class 3, Class 4 and heavy-duty receiver hitches with different gross trailer weight and tongue weight capacities.
A 2" x 2" receiver opening is one of the most common hitch sizes and works with a wide range of towing accessories, including ball mounts, bike racks, cargo carriers, hitch steps and tow hooks. When towing a trailer, you may also need a properly rated trailer ball, hitch pin, wiring harness, brake controller or weight distribution system.
CURT trailer hitches feature a durable black finish designed to help protect against rust, scratches and exposure to road conditions. Many models install using existing holes in the vehicle frame, although drilling, trimming or temporary removal of vehicle components may be required for certain applications.
Use our vehicle fitment tools to find the correct CURT 2" trailer hitch for your year, make and model. Always compare the hitch rating with your vehicle’s towing capacity and the ratings of every component in your towing setup. The maximum towing capacity is determined by the lowest-rated component.
Shop CURT 2-inch trailer hitches at TowUniverse for vehicle-specific fitment, trusted towing performance and access to the accessories needed to complete your towing setup.
Rediscover "Us" Time | Tested. Proven. Safe. Towing Products
36 compatible vehicles
| Year | Make & Model | Style | Notes |
|---|---|---|---|
| 2004 | Chevrolet Silverado 2500 | Crew Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2004 | Chevrolet Silverado 2500 | Extended Cab Pickup · 4-Door | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2004 | Chevrolet Silverado 2500 | Standard Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2010 | Chevrolet Silverado 2500 HD | Crew Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2010 | Chevrolet Silverado 2500 HD | Extended Cab Pickup · 4-Door | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2010 | Chevrolet Silverado 2500 HD | Standard Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2007 | Chevrolet Silverado 2500 HD Classic | Crew Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2007 | Chevrolet Silverado 2500 HD Classic | Extended Cab Pickup · 4-Door | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2007 | Chevrolet Silverado 2500 HD Classic | Standard Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2006 | Chevrolet Silverado 3500 | Crew Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2006 | Chevrolet Silverado 3500 | Extended Cab Pickup · 4-Door | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2006 | Chevrolet Silverado 3500 | Standard Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2007 | Chevrolet Silverado 3500 Classic | Crew Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2007 | Chevrolet Silverado 3500 Classic | Extended Cab Pickup · 4-Door | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2007 | Chevrolet Silverado 3500 Classic | Standard Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2007 - 2010 | Chevrolet Silverado 3500 HD | Crew Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2007 - 2010 | Chevrolet Silverado 3500 HD | Extended Cab Pickup · 4-Door | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2007 - 2010 | Chevrolet Silverado 3500 HD | Standard Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2004 | GMC Sierra 2500 | Crew Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2004 | GMC Sierra 2500 | Extended Cab Pickup · 4-Door | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2004 | GMC Sierra 2500 | Standard Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2010 | GMC Sierra 2500 HD | Crew Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2010 | GMC Sierra 2500 HD | Extended Cab Pickup · 4-Door | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2001 - 2010 | GMC Sierra 2500 HD | Standard Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
| 2007 | GMC Sierra 2500 HD Classic | Crew Cab Pickup | No Drilling Required Installation Time: 30-60 minutes Excluding factory receiver or Tommy Gate lift Visibility: Exposed |
The CURT Commercial Duty Class 5 Hitch, 2-1/2", Select Silverado, Sierra 2500, 3500 HD Trailer Hitch (Part #BKDK15703) fits 2001-2004 Chevrolet Silverado 2500 models. The 2010 model year is the last year covered by this part number. For newer models, check for an updated version.
The CURT Commercial Duty Class 5 Hitch, 2-1/2", Select Silverado, Sierra 2500, 3500 HD Trailer Hitch (Part #BKDK15703) fits the following vehicles: 2001-2004 Chevrolet Silverado 2500; 2001-2010 Chevrolet Silverado 2500 HD; 2007 Chevrolet Silverado 2500 HD Classic; 2001-2006 Chevrolet Silverado 3500; 2007 Chevrolet Silverado 3500 Classic; 2007-2010 Chevrolet Silverado 3500 HD; 2001-2004 GMC Sierra 2500; 2001-2010 GMC Sierra 2500 HD; 2007 GMC Sierra 2500 HD Classic; 2001-2006 GMC Sierra 3500; 2007 GMC Sierra 3500 Classic; 2007-2010 GMC Sierra 3500 HD. Always verify your specific year, make, and model before ordering.
Yes, the CURT Commercial Duty Class 5 Hitch, 2-1/2", Select Silverado, Sierra 2500, 3500 HD Trailer Hitch (Part #BKDK15703) is designed to fit the 2001-2004 Chevrolet Silverado 2500.
The CURT Commercial Duty Class 5 Hitch, 2-1/2", Select Silverado, Sierra 2500, 3500 HD Trailer Hitch (Part #BKDK15703) Drilling is not required for installation. Typical installation time is 30-60 minutes. Basic hand tools are typically all you need.
The hitch weight is 60 lbs.
Yes, the Curt 15703 is designed for Chevy Silverado and GMC Sierra 2500 and 3500 HD models.
The manual specifies 18,000 lbs. trailer weight and 2,700 lbs. tongue weight capacity when used as a weight carrying hitch. However, you must not exceed your vehicle manufacturer's recommended towing capacity.
The manual specifies 18,000 lbs. trailer weight and 2,700 lbs. tongue weight capacity when used as a weight distribution hitch. You must not exceed your vehicle manufacturer's recommended towing capacity.
The Curt 15703 is designed for Chevy Silverado and GMC Sierra 2500 and 3500 HD trucks.
You will need a ratchet wrench, torque wrench, 21mm socket, 11/16" socket, and 7/8" socket.
The kit includes: 4× 9/16-12 UNC Grade 8 serrated flange nuts (part 20-00104), 2× .313 x 1.00 x 2.50" 9/16" square hole spacers (CM-SP70), 4× 9/16-12 UNC 1-3/4" Grade 8 bolts (10-10328), 2× .313 x 1.25 x 2.00" 9/16" square hole spacers (CM-SP73), 4× 7/16-14 UNC 1-1/4" Grade 8 bolts (10-10281), 4× 7/16-14 UNC Grade 8 serrated flange nuts (20-00103), and 2× .313" mounting straps (15703-MS).
Yes. Step 1 of the installation instructions states to remove the spare tire for ease of installation. You will reinstall it in Step 8 after the hitch is mounted.
You need to locate the 14mm bolts and washers in the rear-most bottom section of each frame rail, and the existing weldnuts in the bumper brackets on both sides. The hitch will attach using these existing fastening points.
1. Remove spare tire. 2. Remove the 14mm bolts and washers from the rear-most bottom of each frame rail and save them. 3. Raise the hitch into position, align the rear-most holes with the weldnuts, and loosely attach using the 14mm hardware. 4. Place 9/16" bolts and SP-70 spacers into the forward-most mounting holes. 5. Install mounting straps to the inside of the hitch side plates using two 7/16" bolts per side, positioned to line up with frame rail holes. 6. Place SP-73 spacers and 9/16" bolts into the center mounting locations and attach to the mounting strap using 9/16" flange nuts. 7. Torque all fasteners. 8. Reinstall spare tire.
Torque all 7/16" fasteners to 70 ft-lbs, all 9/16" fasteners to 150 ft-lbs, and all 14mm fasteners to 154 ft-lbs.
7/16" fasteners: 70 ft-lbs; 9/16" fasteners: 150 ft-lbs; 14mm fasteners: 154 ft-lbs.
Yes. Step 2 instructs you to remove the 14mm bolts and washers from the rear-most bottom section of each frame rail and save them. These are then reused in Step 3 to loosely attach the hitch to the existing weldnuts.
The mounting straps should be positioned to line up with holes in the vehicle frame rail. The manual notes that positioning varies by bed configuration (short bed or long bed), as shown in the diagram. Refer to the diagram in the manual for your specific bed length.
The hitch is rated for 18,000 lbs. trailer weight and 2,700 lbs. tongue weight. However, you must not exceed your vehicle manufacturer's recommended towing capacity, which may be lower than the hitch rating.
Periodically check the receiver hitch to ensure that all fasteners are tight and that all structural components are sound. This is a routine maintenance requirement to maintain safe operation.
No. The manual explicitly states: do not exceed your vehicle manufacturer's recommended towing capacity, even if the hitch rating is higher.
Curt Manufacturing warrants the product to be free of defects in material and workmanship at the time of retail purchase by the original purchaser. If defective, Curt will repair or replace it at their option when returned prepaid with proof of purchase. Warranty is voided by alteration, misuse, or improper installation. Curt's liability is limited to repair or replacement and excludes incidental or consequential loss or damage.
The manual does not mention battery disconnection, so it is not required for this hitch installation.
The manual does not specify that professional installation is required. It provides installation times for both professional (74 minutes) and DIY/novice (30 minutes) installation, and lists only standard hand tools.
Yes, a compatible bike rack, cargo carrier or other accessory with a 2" x 2" shank can generally be used. Make sure the accessory does not exceed the hitch’s tongue weight rating, the vehicle’s limits or the accessory manufacturer’s capacity. Account for the combined weight of the carrier and everything loaded onto it.
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