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Pin and Clip for 2" and 2-1/2" Hitches - 5/8" Diameter x 3-3/16" Span

Pin and Clip for 2" and 2-1/2" Hitches - 5/8" Diameter x 3-3/16" Span

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Use this durable hitch pin to secure your ball mount or hitch-mounted accessory to your 2" or 2-1/2" hitch receiver. Includes retaining clip. 1-800-496-5010 to order CURT hitch pins and clips part number C21500 or order online at Free expert support on all CURT products. Guaranteed Lowest Price and Fastest Shipping for Pin and Clip for 2" and 2-1/2" Hitches - 5/8" Diameter x 3-3/16" Span. Hitch Pins and Clips reviews from real customers.
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  • Reviews (787)
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  • Videos (2)
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CURT Hitch Pins and Clips

  • Fits 2 Inch Hitch
  • Fits 2-1/2 Inch Hitch
  • Standard Hitch Pin
  • 5/8 Inch Diameter
  • 3-3/16 Inch Span
  • CURT

Use this durable hitch pin to secure your ball mount or hitch-mounted accessory to your 2" or 2-1/2" hitch receiver. Includes retaining clip.


  • Hitch pin secures ball mount or other hitch-mounted accessory in your trailer hitch receiver
    • Included clip inserts into end of pin to hold pin in place
  • Sturdy steel construction
  • Corrosion-resistant zinc-plated finish


  • Application: 2" x 2" and 2-1/2" x 2-1/2" trailer hitch receivers
  • Pin diameter: 5/8"
  • Usable length (span): 3-3/16"

21500 Curt Pin and Clip - Class III, IV and V

Item # C21500

Video of Pin and Clip for 2" and 2-1/2" Hitches - 5/8" Diameter x 3-3/16" Span

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Curt Hitch Pins and Clips - Standard Hitch Pin - C21500 Review

Today we'll be reviewing part number C21500. This is the Curt pin and clip for class 3, class 4, and class 5 trailer hitch receivers. It's going to measure 5/8 of an inch in diameter. It's going to come with the retaining clip. It's designed to fit 2 inch and 2 1/2 inch square receiver hitches. The overall length is going to give us a measurement of about 5 1/4 inch.

Now the amount of usable length that we have is measuring from the pinhole here to the beginning of the curve. That's going to give us a measurement of 3 3/16 of an inch. So just to give you an idea of how this works, we have our ball mount set up inside of our hitch. We have our holes in line with each other. Now we're ready to secure it.

So we'll just take our pin, slide that through, take our clip, and secure it right here on the other side. That pin's going to stay nice and firm on there. As you can see, the pin and clip is going to hold our ball mount in place. It's not going to allow it to come out of the hitch. That's going to do it for today's review of part number C21500.

This is the Curt pin and clip for class 3, 4, and 4 trailer hitch receivers. .

Customer Reviews

Pin and Clip for 2" and 2-1/2" Hitches - 5/8" Diameter x 3-3/16" Span - C21500

Average Customer Rating:  4.9 out of 5 stars   (787 Customer Reviews)

Use this durable hitch pin to secure your ball mount or hitch-mounted accessory to your 2" or 2-1/2" hitch receiver. Includes retaining clip.


Fantastic Product. Saved me from having to buy a brand new bike holder for my new car with a different hitch size.


Meets the needs. Excellent service from etrailer.


We currently operate over 60 trucks. We purchase all our trailer needs from etrailer. They only sell quality products at fair prices. Their customer service is great! Buying anywhere else will cost you money!!!


They do the job. I even used one to replace a lost clip on my bush hog. Nice and heavy duty.


Solid item - always quality and good price from etrailer - thanx!


The products that I purchased was to complete a bigger order that I placed with eTrailer. The No-Drill Mount Bracket - Short 18140 fit as though it was dealer installed. I also purchased the trailer hitch, 4 prong wiring kit and adjustable ball mount from etrailor which installed in about an hour on my 2014 Jeep Wrangler.


Just received my 80307 Hitch Extender for 2" Trailer Hitches - 8" Long. My newly upsized spare tire had been preventing the use of my hitch rack. Was very pleased with the eTrailer service and the ease of using the website. The excellent descriptions, photos, and even videos really help shopping for these types of specialty parts. Shipping went well and expediently. I trial fit the extension with my hitch rack today, and the photos are attached. It fit well and did the trick. I drove around and heard no rattles from it at all.


Seems to work fine. It is built well so I do no envisage any problems with the pin or clip.


We had a large order and some were lost in transit. We notified etrailer of the missing items and they were EXCELLENT in communicating and helping rectify the situation. AWESOME customer service!


This bike rack is a very good value for the price. It is heavy duty and better than I expected. The threaded hitch bolt takes a bit longer to take off the car, but is worth it as the rack is rock solid because of it. It even comes with all the tools you need to assemble the thing. I’m happy!


Works very well. Easy to use and is very strong.


I was disappointed to learn after receiving the "Complete Towing Package" for my truck that it did not contain the pin necessary for connecting the ball mount to the hitch. So I had to place a second order to complete the towing apparatus. Note to self: Read fine print carefully. Now that I have it, the pin fits securely into the holes provided in hitch and ball mount. Should provide safe towing.


perfect fit


I purchased this item to use for camping. It is everything I wanted and more. Solo glamping is equipment heavy and takes quite a few trips from car to get everything moved to where it needs to go. This make short work of it. I do suggest that on the wheels to use Hair Pin cotter for easy removal and put on of wheels. Over all this is a heck of a device.


I neeed to pull a trailer with my 2019 GMC Yukon. I found and followed the instructions on determining the drop of the hitch, the instructions were spot on. I hooked up my trailer to my Yukon today, all was level and worked perfectly.

I had driven around to Napa, Lowe’s, Home Depot and Walmart, and nobody had the 9” drop hitch I needed. Came back to Etrailer, bought the 2” ball and pin, and the Curt 9” drop hitch. I received the items quickly.

Great website,






As always, your company sets the standard for quality service..
I will send photos when the rain stops

Great all items I purchased from your company have been high quality and fit perfectly...
Allen C - 09/24/2021


This is one heck of a pin. It really hangs in there.


Heavy, solid pin.


Great quality for an 'economy' item. Nice zinc finish and the pins are exactly what you would expect to retain your hitch receiver.


No complaints here definitely feels solid doesn't feel cheap at all have good weight to it and easy to install


Super fast shipping! No problems at all. Would definitely buy from again.


Just a pin. I am sure it will do the j ob.


Cotter pin arrived broken, actually missing a piece so it was definitely broken before shipping. Not impressed.


Works like a charm

Show More Reviews

See what our Experts say about this CURT Hitch Pins and Clips

  • Weight Capacity of Trailer Hitch Pins
    Trailer Hitch Pins like the Curt # C21500 do not have specific weight ratings and there is not a database available that will have this type of information. Generally speaking, a 5/8 inch diameter pin, which is designed for Class III, IV and V trailer hitches, will have a rating that exceeds what a Class V hitch will be able to handle. A 1/2 inch diameter pin for Class I and II trailer hitches will typically have a capacity of up to 3,500 pounds.
    view full answer...
  • What is the Max Weight Rating of a Class V Hitch Pin
    Hitch pin and clips like the Curt # C21500 that you referenced don't actually have weight ratings. They are able to withstand the weight ratings of the hitch class they are designed to fit. Since this fits up to Class V trailer hitch receivers it can safely be used with a Class V hitch as long as you don't exceed the weight ratings of that trailer hitch. The tongue weight on the ball mount is what keeps the pin from bearing all of the weight.
    view full answer...
  • CURT Trailer Hitch Pin Capacity and Pintle Hitch Ball Recommendation
    The CURT Hitch Pin, # C21500, does not have an official capacity because it far exceeds the ability of most anything it can be placed in. A believe I have found the perfect ball for you. Take a look at Pintle Hitch Ball, # 63019. It has a 2-5/16 inch diameter with a 1-1/4 inch threaded shank. It has a capacity of 14,000 pounds. This is the highest capacity ball with a 1-1/4 inch shank. It may be too close for comfort if you are towing exactly 14,000 pounds. If at all possible, reduce...
    view full answer...
  • Difference Between Curt Hitch Pins # C21500 and # C21504
    The difference between the two pin and clips is the length. The part # C21500 has a useable span of 3-3/16 inches and the part # C21504 has a useable span of 2-3/4 inches.
    view full answer...
  • Do Trailer Hitch Pins Bare Weight of Trailer When Towing
    A hitch pin used as a recovery point would not have the same weight capacity as the hitch of the truck when used for towing. This is due to fact that towing a vehicle would have much less resistance than moving a stuck vehicle and also there's no ball mount involved. So when towing the tongue weight of the trailer pushes down on the ball mount which pins it against the hitch tube creating a enough friction that the trailer is towed from that and now the hitch pin. So without the ball mount...
    view full answer...
  • Can a Padlock be Placed on the End of Standard Trailer Hitch Pin # C21500
    The hole in the hitch pin # C21500 or any other standard hitch pin with clip is not large enough for a useful padlock. It would take a very small lock that could be defeated easily. That is why for a more secure option we carry locking hitch pins. The most popular locking hitch pin for a 2 inch trailer hitch (5/8 inch diameter) is # e98880. I have included a link to a video review of this locking hitch pin for you to view. I have also included a link to the other locking hitch pins we...
    view full answer...
  • Recommended Hitch Pin for Trailer Hitch on 2013 Fiat 500
    Since there is not much space around the hitch pin hole for a standard elbow style pin like # C21500, I recommend looking at a straight, locking hitch pin like our # e98879. This is a straight hitch pin that will also be an upgrade over your existing unit because of its locking capability. Its chrome plating will resist rust and the covered key slot will prevent internal corrosion. This is compatible with the 1-1/4 inch receiver on your 2013 Fiat and should work great to resolve...
    view full answer...
  • Hitch Pin Weight Capacity and Sheer Strength
    We aren't manufacturers of those parts, and we don't have the testing ability in house, so I reached out to a couple of our manufacturers to see what information they could provide to try and help. I reached out to my contact at Curt regarding the pin and clip # C21500 and he said they haven't ever needed to test the sheer strength of a pin because the hitches and ball mounts will fail before the pin does every single time. They are rated for 6 figures easily. He gave an example of a...
    view full answer...
    Image 1 for
  • What Size Hitch to Install on 2014 Subaru Forester to Allow Installation of Hitch-Mounted Twiststep
    Your 2014 Subaru Forester can be fitted with two types of hitch, either a 1-1/4-inch Class II type or a 2-inch Class III. Many hitch-mount accessory items like your Twiststep (and many bike racks, for example) have the flexibility to be used with either size hitch receiver. Generally a 2-inch hitch has broader compatibility with a range of accessory items. Often a Class III hitch will have a higher tongue weight capacity than a Class II hitch. If you have any expectations for using the...
    view full answer...
    Image 1 for
  • Will Curt Cargo Carrier for 2 Inch Hitches Work on 2018 Dodge Journey?
    The 24x60 Curt Cargo Carrier for 2" Hitches - Steel - 500 lbs # C18153 does not come with a hitch pin. You can use the Anti-Rattle Trailer Hitch Receiver Lock for 2" Hitches - 2-5/8" Span # 63232 which is my recommendation or a regular hitch pin and clip like # C21500. It will absolutely work well on a 2018 Dodge Journey as long as you have a 2 inch receiver.
    view full answer...
  • How to Determine the Amount of Drop Needed on Ball Mount for Towing Trailer
    When determining the amount of rise or drop you will need on the ball mount for your towing setup, you just need to take a couple simple measurements. The first, which you have already taken, is from the ground to the top of the trailer hitch receiver when your vehicle is parked and on level ground. The second is from the ground to the bottom of the trailer coupler when it is also parked on level ground. You did state you took a measurement when the trailer was attached to a different vehicle,...
    view full answer...
  • 2013 Ford Escape Trailer Hitch and Wiring Recommendation for Small Camper
    For your 2013 Ford Escape the most popular hitch is the Draw-Tite part # 75758. This hitch would work well for you and when we installed it on a 2013 Escape just like yours we found that the top of the hitch tube from the ground measured 14 inches. That would mean you would need a ball mount with a rise of 2 inches like the # C45067. For a hitch pin you would want # C21500, for a 2 inch ball # 40038, and for a 2-5/16 ball # C40007. Then for trailer wiring you would want the part # 118566. I...
    view full answer...
  • Trailer Hitch and Ball Mount for 2007 Honda CR-V
    I can help you figure out exactly what you will need on your 2007 Honda CR-V to get your daughter home. First, Curt hitch # 13555 is a fit for your 2007 Honda CR-V and would be a good choice. This is a no-drill install that should be straightforward; I've added a link to a video of this hitch being installed on a '07 CR-V as well as the installation instructions for you to check out which should help determine if it's something you feel comfortable doing. In terms of the note that says...
    view full answer...
  • What Cargo Carrier Does Folding Basket Adapter 52015 Work With
    The cargo carrier you mentioned won't work, but we do have a carrier from Curt that is compatible with the Folding Basket Adapter for 2" Trailer Hitch Mounted Cargo Carriers # 52015. - Curt Cargo Carrier for 2" Hitches # C18150 This 59" x 20" carrier will not only allow you to use the adapter, but has other advantages over the U-Haul, with higher, 5-5/8" side rails for easier tie-down points, a rise in the shank for better ground clearance, and a longer distance from the hitch pin hole...
    view full answer...
  • Will the Carr Hitch Mounted Step Part # CARR183252 Fit a 2018 Toyota 4Runner
    As long as the trailer hitch receiver on your 2018 Toyota 4Runner has a 2"x2" receiver tube opening which it should then the Carr Hitch Mounted Step part # CARR183252 will work well for you. The hitch pin is not included but you can add one using part # C21500 for standard or part # 5201 for locking. I have also attached a review video of the step for you as well.
    view full answer...
  • What is the Diameter of the Hitch Pin Hole in the Curt Trailer Hitch Receiver # 13241
    The diameter of the hitch pin hole for the Curt # 13241 trailer hitch receiver is 5/8 of an inch. A Pin and Clip, like part # C21500, is designed to fit into the hitch pin hole. You can use part # e98882 for an option that locks.
    view full answer...
  • Weight of Erickson Big Bed Load Extender EM07600
    Good question, because tongue weight is an important consideration, and I can tell you that the overall weight is 38 lbs for the Erickson Big Bed Load Extender for 2" Hitches # EM07600. The Erickson Big Bed Load Extender # EM07600 fits 2" hitches and has a 400 lb capacity which which you'll want to keep in mind as well. The only other thing you will need is a pin and clip or hitch lock to secure the extender in your hitch, and for that you can use the Pin and Clip # C21500 or Anti-Rattle...
    view full answer...
  • Ball Mount And 2 Inch Hitch Ball With no Rise or Drop
    That's a good question because they didn't do a very good job of explaining that; what they are referring to is the bottom of the ball platform, since that is where the bottom of the coupler will be. And since the top of your hitch measures 17-3/8 inches, the best option is going to be a ball mount with no rise or drop, which is the Buyers Produts Tri-Ball mount you mentioned: - Buyers Products Tri-Ball Hitch - Tubular Shank with Chrome Balls # 3371802207 This has three hitch balls, including...
    view full answer...
  • ATV Hitch, 4 inch Rise Ball Mount and Hitch Recommendation
    What you could do is install the Curt ATV hitch part # C45006 on your ATV and then use a ball mount with a 4 inch rise like the part # C45070 and then for a 2 inch ball part # 63845. Finally for a hitch pin part # C21500.
    view full answer...
  • Recommended Trailer Hitch Receiver for 1998 GMC Pickup with 10 Inch Deep Drop Bumper
    To get the highest towing capacity available on your 1998 GMC Truck I suggest the Curt Class V Trailer Hitch Receiver # C15317. This hitch has a gross trailer weight of 16,000 pounds and maximum tongue weight of 2,400 pounds. Of course you'll want to verify your truck's towing capacity since it will be the limited factor. All of the hardware is included to bolt this to your truck's frame. If you also need a ball mount, # C45340. This will keep you around the same weight capacity as...
    view full answer...
  • Replacement Hardware Kit for Curt Trailer Hitch Receiver 13416
    For your Curt # C13416 you will need the Replacement Hardware Kit for Trailer Hitches # RHK. This does not come with the hitch pin clip so you will need # C21510 or # C21500.
    view full answer...
  • Distance From Ground To Curt Hitch C13382 On a 2018 Subaru Crosstrek
    In regards to the Curt Trailer Hitch Receiver part # C13382 which is a fit for a 2018 Subaru Crosstrek, the distance from the ground to the top inside edge of the receiver tube opening is 15". Therefore, if the distance from the ground to the bottom of the trailer coupler (while level) is 21" then you need a ball mount with a 6" rise. The Curt Ball Mount for 2" Hitches part # C45100 will work for this but you also need a Pin/Clip part # C21500 and Hitch Ball part # 40038.
    view full answer...
  • Class 5 Hitch with 20K Capacity for 2015 Ford F-550
    Sure do, as long as the distance between the outer edges of the frame members is 34 inches and the vertical distance between the bottom of the frame members and the underside of the bumper is less than 6 inches, the Curt # C15845 Class V hitch is what you'd need. The hitch has a 20K towing/2700 lb tongue weight capacity and features a 2-1/2 inch receiver tube. If you need a greater drop than that, you'll need to use a weld-on service body hitch like # C87CR which also features a 2-1/2...
    view full answer...

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