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  1. Trailer Hitch Ball
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  3. Trailer Hitch Ball
  4. 1-7/8 Inch Diameter Ball
  5. 1 Inch Diameter Shank
  6. Standard Ball
1-7/8" Hitch Ball - 1" Diameter x 2-1/8" Long Shank - Chrome - 3,500 lbs

1-7/8" Hitch Ball - 1" Diameter x 2-1/8" Long Shank - Chrome - 3,500 lbs

Part Number: C40002
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Durable chrome ball has a 1" diameter x 2-1/8" long shank with fine threads for a superior grip. The nickel chrome finish provides corrosion-resistance. Great Prices for the best trailer hitch ball from CURT. 1-7/8" Hitch Ball - 1" Diameter x 2-1/8" Long Shank - Chrome - 3,500 lbs part number C40002 can be ordered online at or call 1-800-940-8924 for expert service.
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CURT Trailer Hitch Ball - C40002

  • Trailer Hitch Ball
  • 1-7/8 Inch Diameter Ball
  • 1 Inch Diameter Shank
  • Standard Ball
  • 3500 lbs GTW
  • Class III
  • Chrome-Plated Steel
  • 2-1/8 Inch Shank Length
  • CURT

Durable chrome ball has a 1" diameter x 2-1/8" long shank with fine threads for a superior grip. The nickel chrome finish provides corrosion-resistance.


  • Hitch ball provides a connection point for your trailer's coupler
  • Durable, corrosion-resistant nickel chrome finish
  • Fine threads provide tight, strong grip
  • Wrench flats allow for easy installation


  • Ball diameter: 1-7/8"
  • Shank dimensions: 1" diameter x 2-1/8" long
  • Fits ball mount platforms that are at least 3/8" thick
  • Weight capacity: 3,500 lbs
  • 1-Year limited warranty

40002 Curt Trailer Hitch Ball for 1-7/8 Inch Couplers - Chrome

Video of 1-7/8" Hitch Ball - 1" Diameter x 2-1/8" Long Shank - Chrome - 3,500 lbs

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

Video Transcript for Curt 3500lb Chrome Hitch Ball Review

Hello neighbors, it's Brad here at etrailer. And today we're taking a look at the Curt 1 7/8 Inch Ball. Now this is with a One Inch Diameter Shank. Now this steel ball is gonna be a sturdy, great option for a trailer with a 1 7/8 inch coupler. Now it also has the one inch diameter. So when shopping for your ball mount, make sure that you are getting one with a one inch opening so it matches the diameter of the shank.

The shank length on this is 2 1/8 inch. So you also wanna make sure that it's going to have threads sticking out when you tighten up your ball to your ball mount. Speaking of tightening up the ball mount, it's gonna be important when you install this, which is pretty easy, to torque this to the proper specs. Now you can see this does include the nut and the lock washer here. You're simply going to put a wrench on this nice flat slotted part, and then tighten this down with a torque wrench to the proper specifications that the manufacturer recommends.

Now, it's very important to torque this down with the torque wrench. That way it's not too tight or too loose when towing. So if you don't have a torque wrench, we'll sell those here at etrailer, or you can rent one at an auto parts store, generally. But it's very important that you have this torqued properly And that way you know, that this isn't going to wobble loose when you're towing something. Now the steel construction has a nice chrome finish on it.

So it looks really good. Now, sometimes when you hook up to your trailer, it's good to put a little bit of grease here, and that's going to maintain that chrome appearance for a long time. Now, as far as the weight rating goes, this is good for 3,500 pounds, which is a decent amount of weight. So before hooking up to your trailer and towing, you're also gonna wanna make sure that the rest of components are up to snuff with that weight rating. And that includes your ball mount, your hitch, and also your vehicle.

Now you wanna take the lowest number out of all of those and stick with that when towing and that way you're not overdoing it. And that was a look at the Curt 1 7/8 Inch Ball with the One Inch Diameter Shank. Thanks for watching..

Customer Satisfaction Score:

Customer Reviews

1-7/8" Hitch Ball - 1" Diameter x 2-1/8" Long Shank - Chrome - 3,500 lbs - C40002

Average Customer Rating:  4.9 out of 5 stars   (3608 Customer Reviews)

Durable chrome ball has a 1" diameter x 2-1/8" long shank with fine threads for a superior grip. The nickel chrome finish provides corrosion-resistance.


This fits our needs perfectly. My husband said it was easy to install. He is very happy.


Made in China. Chrome plating wore off after 3rd trip to dump. Now looking for US made ball.


Well built and functions as expected

Matt D.


Amazing customer service as usual!I love your products, they are heavily road tested and working excellently! I got a friend to buy a trailer hitch too, since it was so easy!


Trailer ball and wiring harness fit perfect...
out of the 5 holes in the trailer hitch did not line up. One was about an 1/8" off and the other was over a 1/4" off. I went to my local Fastenal store and bought a carbide burr $28 and about an hour of elongating the holes, finely got the them to fit
Bought the Nissan Murano brand new about 8 months ago.
Not happy about the extra work it took to make it fit...


Hitch is great, easy install. Rusts a bit but that comes with the territory. I bought this because it was so helpful to have all solutions needed from the same company. I purchased with an after market hitch assembly for Ford Explorer.


The Hitch is great. Unfortunately the locking device I purchased with the hitch will not work on the inside due to restrictions of barriers within the area that the pin is inserted. This should be noted for sales people when being ordered with a Tesla Y. I will use the locking device on the side of the hitch and a small lock through the pin in the inside area of the hitch.


Very happy with so far ( I haven't installed my hitch yet). Their service to date has been excellent. I am a trailer newbie, so needed help choosing the towing components. The 2 folks I spoke to at could not have been more helpful. They answered all my questions and help select the correct components I needed. Would definitely recommend!!!


Love my hitch! Gets me and my gear where I wanna go! Dylan really helped me get the perfect equipment for my 2012 Xterra. I am not super car smart but etrailer always gives me expert assistance.


Great product! Fast delivery! Great customer service!


I have a 2015 Rav 4 and I ordered the wiring harness with the hitch, ball and receiver and it arrived the next day undamaged. I am happy with the quality of this product.


Will buy again.

I called the customer
service line to ask questions about fitment and confirm I will receive the right products (ball mount, ball, and lock). They were EXCELLENT and if they weren't sure, they did the right research to confirm. Definitely worth buying from them.


Perfect for my needs


The product was perfect. My compliment is for etrailer. Awesome people. Advice to users: watch the videos first. Also, I had to get a different drawbar because [rental trailer] needs the ball to be 18" off the ground and I only had 9". I installed this by myself on my sedan in about an hour; car was on the street, not elevated, and in the rain. Glad THAT is over.


Nice hitch ball. Fits the trailer tongue hitch perfectly. Delivery in only 3 days.


Exactly what I needed


I was told about etrailer from an acquaintance. He said your prices were the best and your customer service was outstanding. After placing my order and receiving my products I have to say, I agree with him 100%! Ordered my items on Friday receive them on Monday... Good quality, fast delivery, fair price what else can I say! I will definitely refer etrailer and use your company in the future.


Not too often you need a 1-7/8 ball in the fatter 1" diameter shank, but I did and it works as expected!


I've always been happy with Curt products, this new ball seems to be no exception. It's exactly what I needed to complete my transformation from a class II hitch to a class III.


I have purchased several of etrailer's products. There staff is very helpful and courteous. The video are very helpful for explaining how it all works and give one an insight as to what to look for when installing one of their products. I recommend e-trailer to every one who I know that needs trailer and or trailer parts. Good Job


The products are well made and I look forward to using them. I only wish etrailer fulfillment would have asked a question of "is this ball for this receiver". Because being new to all of this, I ordered the wrong size ball for the receiver and it would have been GREAT to have a second set of eyes to see this. I know it's my issue.


Smooth, no defects, wrench knotches on base of ball, awesome feature. Many don't have that. Very solid. Fits snug in a one inch hitch hole.


Fits good, chrome holds up good.

James F.


Agree towing our camper many thousands of miles the Curt ball hitch is performing great!


Item was delivered quickly, as usual. I seriously wish every company was as inexpensive and fast as these guys. As for the trailer's fine, what can you really say about it?


Nice with a flat to prevent turning when installing on hitch. Works great


I worked with Lori B. for a return and an order. She handles both very well with professionalism and we jokes a little bit which made the phone conversation very pleasant and comfortable. Two thumbs up for her. My next order, I'll ask for her again by name. Thank you.

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    I reached out to my contact at Curt and while I have a complete replacement option for you, the ball mount section of the # C45901 is not available separately. Since there is no other ball mount option of the same style that will fit your shank, you will need to purchase another # C45901. In addition you will need a hitch ball with a 1" shank, the 1-7/8" # C40002, 2" # 40083, or 2-5/16" # C40005. I included a video of the # C45901 for you to take a look at.
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Info for this part was:

Employee Lindsey S
Edited by:
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Employee Jameson C
Expert Research:
Jameson C
Employee Jacob T
Video Edited:
Jacob T
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Video by:
Dustin K
Employee Cole B
Installed by:
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Employee Chelsea B
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