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  1. Trailer Hitch
  2. CURT
  3. Class III
  4. 2 Inch Hitch
  5. 5000 lbs GTW
  6. Concealed Cross Tube
Curt Trailer Hitch Receiver - Custom Fit - Class III - 2"
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Curt Trailer Hitch Receiver - Custom Fit - Class III - 2"

Item # C13331
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Trailer Hitch

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This fully welded trailer hitch receiver bolts onto your vehicle's frame with no welding required. Powder coated steel is sturdy and corrosion resistant. Lowest Prices for the best trailer hitch from CURT. Curt Trailer Hitch Receiver - Custom Fit - Class III - 2" part number C13331 can be ordered online at or call 1-800-940-8924 for expert service.
  • All Info
  • Reviews (42)
  • Q & A (0)
  • Photos
  • Why etrailer?

CURT Trailer Hitch - C13331

  • Class III
  • 2 Inch Hitch
  • 5000 lbs GTW
  • CURT
  • Concealed Cross Tube
  • 750 lbs TW
  • Custom Fit Hitch

This fully welded trailer hitch receiver bolts onto your vehicle's frame with no welding required. Powder coated steel is sturdy and corrosion resistant.


  • Custom fit is designed specifically for your vehicle
  • Precision, robotic welding maximizes strength and improves fit
  • Bolt-on installation - no welding required
    • Includes installation instructions
    • Uses existing hardware from your vehicle
  • Lifetime technical support from the experts at
  • Gloss black powder coat finish over protective base coat offers superior rust resistance
  • Sturdy, square-tube design
  • Ball mount, pin and clip sold separately
  • Hitch assembled in the USA
    • Mounting hardware may be imported


  • Receiver opening: 2" x 2"
  • Rating: Class III
    • Maximum gross trailer weight: 5,000 lbs
    • Maximum tongue weight: 750 lbs
  • Limited lifetime warranty Technical Support

At we're committed to the products we sell, and to our customers. Our experienced and knowledgeable staff are available via both phone and email to address your questions and concerns for the lifetime of your hitch. The technicians at etrailer perform hitch installations on a daily basis, making them a valuable resource for do-it-yourselfers. The one-on-one, personal service you'll receive comes straight from an expert in the towing and automotive field. We've installed it, we've wired it and we've towed with it, so whatever your question, we can answer it.

13331 Curt Class 3 Trailer Hitch Receiver

Installation Details C13331 Installation instructions

This Product Fits The Following Vehicles

Weight Carrying Capacity
Gross Towing Weight (GTW):
5,000 lbs.

Tongue Weight (TW):
750 lbs.

Weight Distribution Capacity
Hitch does not allow
use of weight distribution

No drilling required Manufacturer Estimated Installation Time

Tech Tip

No drilling required for installation , Requires temporary removal of bumper/fascia during installation , Fascia trimming required for installation

Customer Reviews

Curt Trailer Hitch Receiver - Custom Fit - Class III - 2" - C13331

Average Customer Rating:  5.0 out of 5 stars   (42 Customer Reviews)

This fully welded trailer hitch receiver bolts onto your vehicle's frame with no welding required. Powder coated steel is sturdy and corrosion resistant.

2020 Audi Q5

Bought Curt hitch for 2020 Q5 and the fit was perfect. No facia trimming required! Great instructional videos. Detailed and very thorough. Great order and shipment tracking! Their expert responses to product inquiries are very useful. Will only shop here for my trailer needs.

It’s been perfect! Pretty easy install. Great fit. Quality product.
Jeff - 06/09/2022

2020 Audi Q5

The Audi dealer itself was not able to find a hitch which would fit my Audi Q5 Plug-in Hybrid, because the battery gets in the way of most hitches, apparently. Thanks to the always available etrailer experts, I was able to find a hitch which I never could have found on my own, have it delivered without cost in 3 days flat, and [other source] was able to install it without a problem. I was able to find the perfect bike rack for my needs as well (I bought it from my bike shop to give the guy the business, or else I definitely would have bought it from etrailer, not [online])because the etrailer website is probably the most informative web site I have ever experienced, for anything. Just outstanding service, all around. Thank you.


Took about an hour to install by myself and as a 25 year old woman I’d say that’s pretty good considering I’m the farthest thing from a mechanic. No drilling or cutting holes, easy installation, and curt quality is a win in my book

Audi Q5

Just ordered the Audi Q5 trailer hitch and everything was downright perfect! Never goes this way for me so I thank you for the great website and sending the exact product for my car. Telling everyone about you.

2020 Audi Q5

I purchased the trailer hitch last week for Carrying bikes on my 2020 Audi Q5. The hitch arrived Yesterday - faster than I expected. This is the fifth trailer hitch that I purchased from etrailer over the years. I am very happy with their Excellent service. While I have not yet installed it on my Audi Q5, the hitch itself looks like a sturdy product and the price was good!

I am ver happy with the hitch. We use it all the time to carry our bikes. We had it professionally installed for a fraction of the cost requested by the Audi dealer.
Rafi - 07/10/2021


Excellent price. Excellent delivery. Excellent packaging. Excellent install videos. Excellent hitch ready for adventure.


This hitch is rock solid excellent construction. It was very straightforward to install following etrailer instructions and especially the video. I was so happy the video told me to try dry fit without cutting because some customers didn’t have to cut the bumper - including me! This is my second, very satisfied purchase and now I’m a customer for life!


Very good and very easy to follow the instructions. From start to finish it took about 2 hours. Having a second person helped a lot. Great product and it looks amazing. Thanks etrailer!!

2018 Audi Q5

I recently installed trailer hitch 13331 on my 2018 Audi Q5 and I would like to share my after action report. I did the installation myself although there were a couple times I could have used an extra pair of hands. The online video was very helpful as well as the printable instructions and the instructions received with the hitch.

One thing that is not mentioned is that the 10mm socket does need to be a deep wall socket. A magnet is very helpful in removing the nut associated with this 10mm socket but replacing this nut on completion of the install I used a different method. The nut has an attached washer and will fit very neatly in the end of the socket and can be held in place with a very narrow piece of masking/painting tape for much easier placement on the screw.

Since I did this myself I used a car screw jack to hold and place the hitch in position to attach the bolts to the car frame. This is where I have a major concern. The bolts that are on the car holding the interior number are not long enough to reattach the bumper and the trailer hitch. The hitch is just wide enough that I did not feel safe or comfortable trying to reattach the bumper using the original bolts. I was able to find longer bolts at my hardware store and using this made the installation much easier. I would like to see Curt/etrailer provide longer bolts with the hitch or as an accessory to order.

The rest of the install went as designed and I am well satisfied with the finished product


Fits perfectly and was easily installed. The video that was provided was perfect


I hardly ever write reviews, but trailer and Lori are amazing and for anyone seeking equipment, especially during this Pandemic, etrailer has to be your first place to look. I have been looking for over a month for a hitch and bike rack so we could actually get a little time away from our Boston apartment. I had other orders cancelled by the dealer because the products were back ordered, with little or no communication. I happened upon etrailer and found what I was looking for. Just to make sure it really was available I called and fortunately reached Lori B. She not only helped us selected the best and most affordable product, but because she knew it was now time sensitive, had it shipped out in two hours. Then she followed up repeatedly to make sure I was happy and to assure me it was on it's way. The hitch and bike rack arrived on time and were of great quality. Had the hitch installed yesterday and the bike rack is awesome. If you need a hitch, a bike rack or any other equipment, you should check out etrailer.

Audi Q5

The hitch is very stout. I will only be using the hitch for a bike rack and it should hold up very well. Finish is very good. I only have one issue and it is not with the hitch. This is not an easy installation on an Audi Q5. I would strongly suggest getting help with the installation. If done with care not to harm the bumper cover it will take longer than the two hours suggested. The bumper cover must be removed and replaced.

2019 Audi Q5

seems to be a great product


The hitch arrived very quickly and according to my mechanic it was a perfect fit and well-made. Very satisfied with my experience with etrailer.

2018 Audi Q5

I’m very happy with this purchase. With a difficulty rating of 10/10 it may be intimidating, but the installation video was fantastic. Every step was shown and thoroughly explained. I did it completely solo and finished in under 2 hours.


Delivery was expeditious! Tracking my order was very easy and transparent! I installed it the same day I received it! It looks amazing!! Now I can buy my boat!!


I keep coming back to etrailer for dependable and truthful description of their products. This hitch for the 2019 Audi Q5 is the perfect product and the installation video from etrailer was right on target,

2020 Audi Q5

E-trailer shipped the hitch quickly. It appears to be a well built hitch. The instructions were accurate. It took my body shop two hours to install from start to finish. Perhaps if he installed several hitches on the same vehicle, it would be quicker with repetition.
Overall all, I am pleased with the purchase.


Received receiver in perfect condition - boxed very well. Will not install for a couple more weeks but shouldn’t be to difficult - will use video on etrailer as a reference.


Great price, looks good. Had a local shop install it, only took an hour so cost me $140. Way less expensive then Uhaul.

2020 Audi Q5

Fast delivery. Quality product.


Exactly what we needed and fast!


Intend to use for a bike rack. Found the video to be extremely helpful. A couple of pointers: be sure to have a deep 10 mm socket to get the nuts off from inside the vehicle; I missed that and had to borrow from a friend. To me, a magnet is essential to get the nuts off of the fascia from inside the vehicle (and to put them back on). When I sandwiched the hitch and bumper, I removed the padding off of the back of the bumper beam to be able to thread the bolts. I cut the bottom of the fascia to fit it over the new hitch, as shown in video. Saw a person said they did it without doing so and I have no idea how?

Audi Q5

I had my mechanic install my hitch and he had no issues with the installation on my Audi Q5. Looks great and functions as expected.


Great service overall

The website
is easy to use and updates were the best I have received as an avid online user

Having an installation video linked to the product made the decision to purchase easier

Show More Reviews

Ask the Experts about this CURT Trailer Hitch

  • Is Stabilizing Strap Needed for Bike Rack with Curt Trailer Hitch on 2018 Audi Q5
    The Curt Class III Trailer Hitch Receiver # C13331 referenced in your question, which is confirmed to fit your 2018 Audi Q5, does not require stabilizing staps when used with non-trailer loads like bike racks and cargo carriers. This is indeed a requirement on Class I, Class II, and some Class III hitches from Curt, but that is not the case with this particular hitch on your vehicle. As you mentioned in your question, installing the hitch will require you to trim a 3-1/4 inch section...
    view full answer...
  • Will the Curt Hitch Fit a 2021 Audi SQ5 Sportback
    Yes, the Curt Trailer Hitch Receiver part # C13331 will fit a 2021 Audi SQ5 Sportback per Curt. It features a bolt-on fit with no drilling or welding required. It will be great for towing or for use with hitch mounted accessories such as bike racks and cargo carriers.
    view full answer...
  • Hitch Recommended For Carrying Bike Rack on 2021 Audi Q5
    I'd recommend going with the Curt # C13331 Class III hitch for your 2021 Audi Q5. As you can see in the provided photo, the hitch receiver sits pretty tight to the furthest most surface of the back bumper, it doesn't stick out so far that banging your shins on it would be a huge concern. As you can see my friend Rob demonstrate beginning at the 2:05 minute mark in the linked video, the hands-free liftgate feature will still work, just not in the exact center of the bumper as shown.
    view full answer...
    Image 1 for
  • Is Bumper Cover Trimming Necessary to Install Curt C13331 Class III Hitch on 2021 Audi Q5
    According to step 9 of the installation instructions, a 3-1/4 inch section of the fascia would need to be trimmed but on some models of the Q5, we've found that no trimming is required at all which is why we recommend dry fitting the bumper cover at the end of the install to determine how everything fits together. Curt tells me that the amount of trimming definitely varies from model year to model year, and they don't have info about that specific to the 2021, so you'll absolutely want...
    view full answer...
  • Hitch Recommendation On A 2021 Audi Q5 Plug In Hybrid
    When it comes to installing a trailer hitch on your 2021 Audi Q5 Plug In Hybrid The Curt Trailer Hitch Receiver - Custom Fit - Class III - 2 inch # C13331 is the correct hitch It has a gross towing weight up to 5,000 pounds and has gross tongue weight up to 750 pounds. I will attach an instructions link and an installation video link below.
    view full answer...
  • Install Video of Trailer Hitch on a 2018 Audi Q5
    Yes, there is an install video of a trailer hitch on a 2018 Audi Q5. I have attached the video for you. The video is on the Curt Trailer Hitch Receiver part # C13331 but will be the same as the Draw-Tite Max-Frame Trailer Hitch Receiver part # 76183. They are both direct fits for your Q5 and will not require any drilling as they install using pre-drilled holes in the frame rail.
    view full answer...
  • Trailer Hitch Recommendation for 2018 Audi Q5
    The hitches we offer for your 2018 Audi Q5 like my recommendation the Draw Tite part # 76183 have been test fit on the 2018 models and determined to be a confirmed fit by Draw Tite. There may have been some changes between the 2017 and 2018 models but not enough to change the hitch fit. We had the chance to fit the Curt part # C13331 on a 2018 Q5 and we found that it fit and worked well. See install video below. So we have first hand confirmation the hitch fits as well. The reason I like...
    view full answer...
  • Trailer Hitch Recommendation for 2018 Audi Q5 with Hands-Free Liftgate
    The hands-free liftgate of your 2018 Audi Q5 can still be used with the Draw Tite Hitch part # 76183 installed. Draw Tite has tested this feature and found that it still worked but you may have to move your foot just to the side of the hitch opening. I prefer the Draw Tite over the Curt equivalent part # C13331 as the Draw Tite does not require the use of a stabilizer strap when carrying a non-supported load like a bike rack.
    view full answer...
    Image 1 for
  • Trailer Hitch Fit Recommendation for 2018 Audi Q5
    We don't have any fit info for a 2018 Q5 (as of 5-2017, but see below for updated hitch info!). As soon as we do though it will be on our site as we are pretty good at getting the fit info up quick.
    view full answer...
  • Hitch Installation and Liftgate Sensor Operation on 2018 Audi Q5
    Curt hitch # C13331 and Draw-Tite hitch # 76183 are both 2-inch Class III hitches confirmed to fit your 2018 Audi Q5. These two models install in the same manner and they share identical capacities of 750-lbs tongue weight and 5000-lbs total trailer weight. Both are shown on the linked page. Note that your car's weight ratings, if lower than the hitch ratings, still apply and determine overall capacity. On most vehicles with a rear lift gate sensor installation of any hitch tends to interfere...
    view full answer...
  • Will the Curt Trailer Hitch Receiver # C13331 Fit a 2018 Audi SQ5
    We do have a trailer hitch receiver that you can install on your 2018 Audi SQ5 but unfortunately the Curt Trailer Hitch Receiver # C13331 will not fit. Instead you want to go with the Draw-Tite Max-Frame Trailer Hitch Receiver # 76183 which is a Class III hitch with a 2" receiver. It has the same weight capacity, but it a slightly different design. Let me know what you plan on using the trailer hitch for I can make additional recommendations as necessary.
    view full answer...
  • Trailer Hitch Recommendation for 2018 Audi Q5
    We do not have a hitch fit quite yet (as of 7-2017 but look below for updated info!). I am hoping soon, but as of right now we are still waiting.
    view full answer...
  • Is Curt or Draw Tite Hitch for 2021 Audi SQ5 Sit the Most Recessed Hitch Under the Bumper
    It's only by 1/2 an inch but the Curt part # C13331 is the most recessed under the rear of the vehicle as it has 3-1/2 inches from the pin hole to the outer edge of the bumper whereas the Draw Tite # 76183 has 3 inches there. The hitch has been tested in this orientation and has proven to be safe.
    view full answer...
  • Recommended Trailer Hitch Receiver For A 2021 Audi Q5 Hybrid
    The Curt Trailer Hitch Receiver - Custom Fit - Class III - 2" # C13331 will fit the both the hybrid and non-hybrid models of the 2021 Audi Q5. It has a 5000lbs GTW and 750lbs TW capacity. This receiver hitch is a bolt on design and has a gloss black powder coat finish over protective base coat that offers superior rust resistance.
    view full answer...
  • Will the Curt or Draw-Tite Hitch Interfere with Parking or Collision Sensors on a 2018 Audi Q5
    I spoke to both of the trailer hitch manufacturers (Draw-Tite/Curt) that have listed a fit for your 2018 Audi Q5 and both of them stated that their trailer part # C13331 for Curt or part # 76183 for Draw-Tite will not interfere with the parking camera or collision sensors on the vehicle. I recommend using the hitch cover part # 22282 while the hitch is not being used which will protect the inside of the receiver tube from rust. I have attached an install video of the Curt hitch for you as well.
    view full answer...
  • Best Hitch for 2021 Audi Q5 that Allows Use of the Hands-free Sensors
    There is not a hitch that doesn't impact the hand-free sensors. The sensors will still work, you just need to use them more to the side as the hitch will block them directly in the middle. The hitch I recommend for your 2021 Audi Q5 is the Curt Trailer Hitch Receiver # C13331. This hitch will work with both the Plug-in Hybrid version and excluding the Plug-in Hybrid. This hitch is assembled in the USA and has a limited lifetime warranty as well as a no drill installation. The weight...
    view full answer...
  • Is There a Difference Between Curt Hitch C98JR and C13331 for 2021 Audi Q5 PHEV
    For all intents and purposes there is no difference between the two Curt hitches we offer for your 2021 Audi Q5 PHEV part number # C13331 and # C98JR. They are exact same basically.
    view full answer...
  • What is the Ground Clearance on the Curt Hitch for a 2020 Audi Q5
    The Curt Trailer Hitch # C13331 that fits on the 2018-2020 Audi Q5 will sit approximately 15" from the ground to the top of the receiver- so it will be around 13" from the bottom of the receiver. This will also depend on whether or not the vehicle is carrying passengers and cargo, the tire size or has a trailer connected to it- since there will be some squat in those circumstances. If you need a wiring harness to power trailer lights I recommend using the Tekonsha Zero Contact Interface...
    view full answer...
    Image 1 for
  • Can Hollywood Racks Bike Rack HR1400Z Fit in Curt Hitch for 2019 Audi Q5
    The Curt hitch part # C13331 is going to work great with the Hollywood Rack bike rack # HR1400Z that you have currently. This hitch has plenty of clearance to fit the rack and since it doesn't have a back on it there wouldn't be any reason any portion of the rack wouldn't fit properly.
    view full answer...
  • Trailer Hitch and Wiring that Fits 2021 Audi Q5 PHEV
    I checked with Curt and the part # C13331 is a confirmed fit for all models of the 2021 Audi Q5 which would include the PHEV you have. For trailer wiring the no-splice ZCI kit part # 119250KIT is a great solution that does not require cutting into the wiring at all. I attached an install video for this for you to check out as well.
    view full answer...
  • Will Curt Trailer Hitch Receiver C13331 Fit A 2021 Audi Q5 Plug In Hybrid?
    I would be happy to clear this up! I reached out to my contact at Curt and he was able to confirm that the Curt Trailer Hitch Receiver # C13331 you were looking at will fit your 2021 Audi Q5 Plug-In Hybrid just fine. There is no different installations for the plug in hybrid models due to the install being the same. If you are planning on towing a trailer with your Q5 you will also need a vehicle wiring harness # 119250KIT, and a ball mount, hitch ball, and hitch pin and clip which can...
    view full answer...
  • Recommended Trailer Hitch for 2021 Audi Q5 Plug-In Hybrid Electric Vehicle
    You are correct, the only hitch that is confirmed to fit your 2021 Audi Q5 Plug-In Hybrid Electric Vehicle is the Curt Trailer Hitch Receiver # C13331. Although the receiver tube cannot be completely removed like the Stealth Hitch, it does have a concealed cross tube so only the receiver will be visible at the back of your vehicle. It has a maximum towing weight of 5,000 lbs and maximum tongue weight of 750 lbs which will be more than enough for your bike rack. Make sure to check your...
    view full answer...
  • Do I Have Enough Bumper Clearance to Use the Thule T2 Pro XTR with the C13331 on My 2018 Audi Q5?
    As far as required bumper clearance when using the Curt Hitch # C13331 with the Thule T2 Pro XTR 4 # TH69TX, you will have plenty of bumper clearance to use and fold up the rack on your 2018 Audi Q5. If you are curious about opening the rear hatch on your vehicle when the rack is tilted with bikes mounted, it truly depends on the length of your bike's crossbars as well as what positions on your rack are being used. While opening the rear hatch has no issues on most vehicles and bikes...
    view full answer...
  • Will Curt Trailer Hitch Receiver Fit 2021 Audi Q5 Plug-In Hybrid
    Yes, the Curt Trailer Hitch Receiver # C13331 will fit your 2021 Audi Q5 PHEV. This is a Class III hitch with a 2" receiver. It features a bolt-on installation and comes with a limited lifetime warranty. It also has a concealed cross tube so only the receiver will be visible at the back of your vehicle. If you plan on doing some towing, I recommend the ZCI Circuit Protected Vehicle Wiring Harness # 119250KIT for wiring. This wiring harness uses zero-contact interface sensors to identify...
    view full answer...

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Info for this part was:

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