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CURT
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2020 - 2024 GMC Sierra 2500 HD
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| Material | Carbon Steel |
| Mount Type Description | Not Applicable |
| Receiver Tube Size | 2 IN |
| Side Application Type Description | Not Applicable |
| Tongue Weight (TW) | 1,000 LB |
| Warranty | Limited Lifetime Warranty (One-Year Finish, One-Year Parts) |
| Weight Carrying Capacity (WC) | 10,000 LB |
| Weight Distribution (WD) | 12,000 LB |
| Weight Distribution Tongue Weight (WDTW) | 1,200 LB |
| Finish | GLOSS BLACK POWDER COAT |
| Main Body Shape | Square |
| Side Application Type Description | Blank |
| Tongue Weight (TW) | 350 LB |
| Warranty | Limited Lifetime Warranty (One-Year Finish, One-Year Parts) |
| Drop | 3-1/4 IN |
| Finish | GLOSS BLACK POWDER COAT |
| Gross Trailer Weight (GTW) | 3,500 LB |
| Material | Blank |
| Mount Type Description | Blank |

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 888-634-9494Limited Lifetime Warranty (One-Year Finish, One-Year Parts)
1 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2020 - 2024 | GMC Sierra 2500 HD | 6' bed, excluding factory receiver, Tommy Gate lift or cab & chassis |
The 20 - 24 GMC Sierra 2500 HD 6' bed, excluding factory receiver, Tommy Gate lift or cab & chassis 2in. CURT Trailer Hitch + Ball Mount + Cover + Lock Kit HWA1189 (Part #HWA1189) fits 2020-2024 GMC Sierra 2500 HD models. The 2024 model year is the last year covered by this part number. For newer models, check for an updated version.
Yes, the 20 - 24 GMC Sierra 2500 HD 6' bed, excluding factory receiver, Tommy Gate lift or cab & chassis 2in. CURT Trailer Hitch + Ball Mount + Cover + Lock Kit HWA1189 (Part #HWA1189) is designed to fit the 2020-2024 GMC Sierra 2500 HD.
The 20 - 24 GMC Sierra 2500 HD 6' bed, excluding factory receiver, Tommy Gate lift or cab & chassis 2in. CURT Trailer Hitch + Ball Mount + Cover + Lock Kit HWA1189 (Part #HWA1189) fits the following vehicles: 2020-2024 GMC Sierra 2500 HD. Always verify your specific year, make, and model before ordering.
The 20 - 24 GMC Sierra 2500 HD 6' bed, excluding factory receiver, Tommy Gate lift or cab & chassis 2in. CURT Trailer Hitch + Ball Mount + Cover + Lock Kit HWA1189 (Part #HWA1189) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The CURT 14005 has a gross trailer weight (GTW) capacity of 10,000 lbs. and a tongue weight (TW) capacity of 1,000 lbs. If using weight distribution, the capacity increases to 12,000 lbs. GTW with a weight distribution tongue weight (WDTW) of 1,200 lbs. Never exceed your vehicle manufacturer's recommended towing capacity.
No. The CURT 14005 installation requires no drilling. The hitch uses existing frame rail mounting holes and the fishwire technique to guide bolts through the frame without additional holes.
You will need: a ratchet, a torque wrench, a 13mm socket, a 21mm socket, a 3/4" socket, and a 10" socket extension. Safety glasses must be worn at all times during installation. For a full tools reference guide, visit curtmfg.com/trailer-hitch-installation.
Before installation, unhook the spare tire safety strap and lower the spare tire. Remove two bumper bolts from the bottom of each frame rail and the heat shield bolt from the bottom of the passenger-side frame rail. Read all instructions thoroughly before beginning. Proper tools will improve installation quality and reduce time required.
The fishwire is a tool included with the hitch that guides bolts and spacers through the vehicle frame rails without losing them inside the frame. Insert the coiled end of the fishwire through the hitch mounting hole and out the access hole. Pass the coiled end through a spacer and thread the bolt into the coil. Kink the wire to keep the spacer separate from the bolt, then pull the fishwire, spacer, and bolt back through the frame and out the mounting hole.
If the vehicle does not have forward-most bolts, fishwire 1/2"-13 x 1-3/4" carriage bolts (#2) and spacers (#7) into the holes using the fishwire technique described in Step 1.
The conical-toothed washers (#6) should be oriented with the conical side facing the hitch side plate, as shown in the Step 2 diagram. These washers are used with the M14 hex bolts when securing the hitch to the frame.
All M14 hardware must be torqued to 126 ft-lbs. All 1/2" hardware must be torqued to 110 ft-lbs. Use a torque wrench to ensure proper tightening and prevent damage to the product or vehicle.
Safety glasses must be worn at all times while installing the CURT 14005. Never exceed your vehicle manufacturer's recommended towing capacity. Read all instructions thoroughly before beginning installation.
Periodic inspection of the trailer hitch should be performed to ensure all mounting hardware remains tight and structural components are secure. This helps prevent damage and ensures safe towing.
The CURT 14005 includes: 2 straps, 2 carriage bolts 1/2"-13 x 1-3/4" (grade 8), 6 carriage bolts 1/2"-13 x 1-1/2" (grade 8), 4 hex bolts M14-2 x 45mm (CL 10.9), 8 serrated-flange nuts 1/2"-13, 4 conical-toothed washers 9/16", 4 spacers 1/4" x 1" x 3", and 2 fishwire tools 1/2".
1. Unhook spare tire and lower it; remove bumper and heat shield bolts. 2. Fishwire 1/2"-13 x 1-3/4" carriage bolts and spacers into forward holes. 3. Fishwire 1/2"-13 x 1-1/2" carriage bolts and spacers into rearmost holes. 4. Raise hitch into position and secure with M14 hex bolts, conical-toothed washers, and serrated-flange nuts. 5. Attach straps to side plates using 1/2"-13 x 1-1/2" carriage bolts and nuts. 6. Torque all hardware. 7. Reinstall spare tire.
The straps (#1) are attached to the side plates using 1/2"-13 x 1-1/2" carriage bolts (#3) and 1/2"-13 serrated-flange nuts (#5). The straps are then secured to the inside of the frame rails using the remaining 1/2" flange nuts and hardware that were fishwired in Step 2.
The manual does not specify which vehicle makes, models, or years the 14005 fits. Contact CURT product support at 877-287-8634 or visit curtmfg.com to confirm fitment for your specific vehicle.
You need a ratchet, torque wrench, 13mm socket, 21mm socket, 3/4" socket, and 10" socket extension. Safety glasses are required. All tools are standard and not included.
No drilling is required. The hitch uses existing frame rail holes and the included fishwire tool to guide bolts through the frame.
Torque all M14 hardware to 126 ft-lbs. and all 1/2" hardware to 110 ft-lbs. Use a torque wrench to ensure proper tightening.
Gross trailer weight capacity is 10,000 lbs. with 1,000 lbs. tongue weight. With weight distribution, capacity increases to 12,000 lbs. GTW and 1,200 lbs. tongue weight. Never exceed your vehicle manufacturer's towing capacity.
Wear safety glasses at all times during installation. Never exceed your vehicle manufacturer's recommended towing capacity. Perform periodic inspections to ensure all hardware remains tight.
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