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  1. Hitch Pins and Clips
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  3. Fits 2 Inch Hitch
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  5. 5/8 Inch Diameter
  6. 2-3/4 Inch Long
Curt Pin and Clip for 2" Hitches - 5/8" Diameter x 2-3/4" Span

Curt Pin and Clip for 2" Hitches - 5/8" Diameter x 2-3/4" Span

Item # C21504
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This grooved, 5/8" diameter pin fits 2" square receiver hitches. Includes retaining clip. Zinc finish resists corrosion. 1-800-496-5010 to order CURT hitch pins and clips part number C21504 or order online at etrailer.com. Free expert support on all CURT products. Guaranteed Lowest Price and Fastest Shipping for Curt Pin and Clip for 2" Hitches - 5/8" Diameter x 2-3/4" Span. Hitch Pins and Clips reviews from real customers.
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  • Reviews (86)
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  • Videos (1)
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CURT Hitch Pins and Clips - C21504

  • Fits 2 Inch Hitch
  • Standard Hitch Pin
  • 5/8 Inch Diameter
  • 2-3/4 Inch Long
  • CURT

This grooved, 5/8" diameter pin fits 2" square receiver hitches. Includes retaining clip. Zinc finish resists corrosion.


Features:

  • Hitch pin secures ball mount or other hitch-mounted accessory in your trailer hitch receiver
  • Grooved end enables easy installation and removal of included clip
  • Sturdy steel construction
  • Corrosion-resistant zinc-plated finish


Specs:

  • Application: 2" x 2" trailer hitch receivers
  • Pin diameter: 5/8"
  • Usable length (span): 2-3/4"


21504 Curt Pin and Clip for 2" Class III, IV and V Trailer Hitch Receivers - Zinc





Video of Curt Pin and Clip for 2" Hitches - 5/8" Diameter x 2-3/4" 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 - C21504 Review

Today we're going to be taking a look at part number C21504. This is the Curt Pin and Clip for 2" Trailer Hitch Receivers. It's designed for Class III, Class IV, and Class V hitches. It's going to give us a diameter of 5/8 of an inch. Hitch pins are designed to secure ball mounts and accessories to the receiver of your trailer hitch. This one in particular is designed to work with 2 inch by 2 inch style trailer hitch receivers.

It's going to give us a usable pin length of 2 and 3/4 of an inch and then here on the end, it's got the grooved indention. That way, it's going to allow us to easily attach our clip. The retaining clip is included. The unit's made from a steel construction, and it's going to have a nice zinc plating on it, so it's going to resist rust and corrosion and last a long time. We're going to go ahead and use it to secure our ball mount inside of our hitch. I just want to show you how this unit works.

If we place our ball mount inside of our hitch, we're going to want to line up our pin holes, and you can see, without anything installed to hold it in the hitch, it could slide out very easily. It's also going to offer a lot of movement inside the hitch, so we can take our 5/8 inch pin and clip, slide it through the holes, and secure it with the clip on the other side. We're still going to have movement inside of our hitch when it comes to our ball mount or our accessory, but we don't have to worry about it coming out of the hitch. The pin and clip is designed to secure it to the hitch installed on our vehicle. That's going to do it for our review of part number C21504.

This is the Curt Pin and Clip for 2" Hitches. .


Customer Reviews

Curt Pin and Clip for 2" Hitches - 5/8" Diameter x 2-3/4" Span - C21504

Average Customer Rating:  4.8 out of 5 stars   (86 Customer Reviews)

This grooved, 5/8" diameter pin fits 2" square receiver hitches. Includes retaining clip. Zinc finish resists corrosion.

by:

Great products that made hauling my canoe in a pickup such an easier task!




by:

We received the items and they were exactly what we ordered.
My husband put the receiver on our RAV 4 we other ease.




by:

everything was just great, The proc=duct is well done and quality. I recommend etrailer




by:

Everything was shipped nicely and was super easy to install




by:

Everything was perfect with etrailer!!!!




by:

It works as advertised.




by:

Nice pin and clip.




by:

Works as intended




by:

Does what I needed it to do.




by:

I have used the reducer and pin twice to carry 2 bikes on a Kuat rack over a total of 800 miles without problem. I did find it cut down on the movement if I put a couple of pennies on one side where that was some slack between the receiver and the reducer (which is the step down from the 2 to 1 1/4). Overall, well pleased.




by:

This 8" Drop Ball Mount was exactly what I needed for my Honda Pilot to transition to my Camper and utility trailer. This kept both my units level for proper towing. The ball mount, ball, and pin will hold up for years of towing. I am grateful for etrailer and everything they have to offer. They will always be my go to store for my towing needs.




by:

Excellent Brake Controller ( Primus IQ - tekonsha) And etrailer.com got it right to me with no hassles. I will by all my products from etrailer from now on. Great Price Too!




by:

I usually prefer my clips to go through a pinhole but the clip grabs onto pin very well.




by:

Great




by:

I ordered a trailer hitch and accessories for a 1998 Jeep Cherokee. The product came the next day. Never expected the hitch to be here so quickly.
Thank you.




by:

Another well-made item.




by:

Simple to use and does a good job of securing the ball mount to the hitch




by:

Out of stock of the original product I ordered but etrailers reaches out to me with a substitute product that works just as well and was in stock




by:

Superb product definitely buy again but the only down side was the shipping it takes a while before i received it but all and all im happy with it thats why i give 5




by:

Prompt shipping, good quality product, would definitely order from them again




by:

Simple pin and clip that works! The groove makes it much easier to attach and remove the clip.




by:

This will fit the bill. Can't beat etrailer's shipping speed.




by:

Works great. Put on a Nissan Frontier 2000 PU so we can go for family bike rides.




by:

Great products, easy to follow videos, super helpful staff
Thank you Ashley for your help with the order.




by:

Delivered as promised.



25
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See what our Experts say about this CURT Hitch Pins and Clips



  • 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...
  • 5/8 inch Diameter Hitch Pin
    Yes we do have a similar pin that has a 5/8 inch diameter. The Curt Pin and Clip for 2" Hitches Item # C21504 is 5/8" diameter and is 2-3/4" long.
    view full answer...
  • Do You Carry Front Receiver Hitches for My 2015 Mercedes-Bens Sprinter 3500?
    I have a solution for you. Unfortunately, we do not carry a front-mounted hitch option for your 2015 Mercedes Sprinter 3500. With that being said, your best bet is to use a rear hitch receiver like the Curt Trailer Hitch Receiver # C13388 (for 144 and 177 inch wheelbases with the standard bumper) or the Draw-Tite Max-Frame Trailer Hitch Receiver # 75601 (for 144 and 177 inch wheelbases with the factory step bumper). Both of these hitches come with plenty of tongue weight capacity to...
    view full answer...
  • Dimension of Pin Hole on Curt Class III Hitch Receiver
    Good news, I can help you figure out which hitch pin you will need for your Curt Hitch # 13160. The # C21504 is the recommended hitch pin for your 2 inch Curt Class III Hitch. The pin measures 5/8 inches wide, and the diameter of the hole on the hitch is 5/8 inches as well. If you would like to get a locking hitch pin to secure the item you are transporting from theft, I would recommend the etrailer # e98882.
    view full answer...
  • Dimension of Lower Leg on Viking Solutions SwiveLift
    These lifts are not in stock at this moment otherwise I would go measure this for you. Our best estimate is that the portion of the vertical tube below the 2" horizontal tube measures between 4 to 7 inches. If you are asking about the platform - it does not have to be lower all the way down. I have attached a picture illustrating this. You will also need a hitch pin and clip to attach this to your receiver. You can use the etrailer # C21504 zinc coated pin.
    view full answer...
    Image 1 for
  • Recommended Anti-Rattle Hitch Lock for 2-Inch Class III Hitch
    There are more secure options than a standard hitch pin and clip like # C21504 for securing a ball mount or other accessory in a 2-inch hitch. I can offer you options for both stabilizing the installed item and for locking it for theft deterrence. So long as the ball mount is a hollow type like # C45036 you can use Let's Go Aero part # 63232 to both stop play and rattle in the hitch and to lock the ball mount, or any other hollow-shank item such as a bike rack like # S64400. Please...
    view full answer...
  • Availability of Just Ball Mount of Curt Ball Mount # C45036
    Yes, for just the ball mount portion of the part # C45036 you'd want the part # C45312 instead. This doesn't come with the pin and clip # C21504. If you want the smaller 1-7/8 inch ball kit use # C45034 or # C45041 for the 2-5/16 inch.
    view full answer...
  • Compatibility Of Towing Components For 2003 Chevrolet Tahoe
    The Curt Heavy Duty Forged Ball Mount, part # C45342 will work well with the Curt Trailer Hitch, part # C15324 on your 2003 Chevrolet Tahoe. This is a Class V hitch and it has a 2 inch receiver opening. The # C15324 is designed to fit 2 inch receiver openings and features a 5 inch rise or 6 inch drop. The ball mount uses a hitch ball with a shank that measures 1-1/4 inches like part # A-90 you mentioned. The # A-90 is a 2 inch hitch ball and has a 2-5/8 inch long shank. The Curt Pin And...
    view full answer...
  • What Front Hitch and Snow Plow Fits My 1997 Dodge Ram 2500?
    Yes! The Curt Front Mount Trailer Hitch Receiver - Custom Fit - 2" # 31604 is confirmed to fit your 1997 Dodge Ram 2500 4x4 with the Cummins engine. The hitch comes with all mounting hardware included. Also, you will be able to attach the Detail K2 Elite Snowplow for 2" Hitches - 88" Wide x 26" Tall # K2AVAL8826ELT to that setup. If you need a hitch pin for the plow to attach to the hitch, I recommend the # C21504.
    view full answer...
  • What Do You Recommend for Transporting My Vespa GTV 300 on My 2004 Lexus RX 330?
    I have an answer for you. As far as the aluminum MaxxTow carrier, I assume you mean the MaxxTow MaxxHaul Aluminum Motorcycle Carrier MT70101. I noticed that you discovered that your vehicle has a maximum tow rating of 3500 pounds. However, what we need to know is the maximum tongue weight rating of your 2004 Lexus RX 330. From my research, I discovered that the maximum tongue weight is 400 pounds. In order to confirm this rating, I recommend consulting with your owner's manual. With that...
    view full answer...

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Info for this part was:

Employee Lindsey S
Updated by:
Lindsey S
Employee Wilson B
Updated by:
Wilson B
Employee Kristina F
Updated by:
Kristina F
Employee Isabelle B
Updated by:
Isabelle B
Employee Adam R
Expert Research:
Adam R
Employee Laura H
Written by:
Laura H
Employee Dustin K
Video Edited:
Dustin K
Employee Cole B
Installed by:
Cole B
Employee Chris R
Installed by:
Chris R

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