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  1. Trailer Hitch Ball Mount
  2. CURT
  3. Fixed Ball Mount
  4. Fits 1-1/4 Inch Hitch
  5. Drop - 3 Inch
  6. Rise - 2 Inch
Curt Class II Drawbar - 2-5/8" Rise, 3-1/4" Drop - 7-1/4" Long - 3,500 lbs
CURT

Curt Class II Drawbar - 2-5/8" Rise, 3-1/4" Drop - 7-1/4" Long - 3,500 lbs

Part Number: C45521
$34.32
Retail:$55.37
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Trailer Hitch Ball Mount
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Corrosion-resistant ball mount is 7-1/4" long and fits 1-1/4" x 1-1/4" trailer hitch receivers. Great Prices for the best trailer hitch ball mount from CURT. Curt Class II Drawbar - 2-5/8" Rise, 3-1/4" Drop - 7-1/4" Long - 3,500 lbs part number C45521 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (2043)
  • Q & A (0)
  • Photos

CURT Trailer Hitch Ball Mount - C45521

  • Fixed Ball Mount
  • Fits 1-1/4 Inch Hitch
  • Drop - 3 Inch
  • Rise - 2 Inch
  • No Ball
  • 3500 lbs GTW
  • Class II
  • CURT
  • Steel Shank - Gloss Black
  • 3/4 Inch Ball Hole Diameter

Corrosion-resistant ball mount is 7-1/4" long and fits 1-1/4" x 1-1/4" trailer hitch receivers.


Features:

  • Sturdy, steel construction
  • Corrosion-resistant, black gloss powder coat finish
  • High-quality manufacturing process
    • CNC machined for strong, consistent cuts and welds
    • 7-Stage washing method delivers smooth, clean surface
  • Both drop and rise positions available to ensure level towing
  • Hitch pin and clip or hitch lock sold separately
  • Assembled in USA


Specs:

  • Application: 1-1/4" x 1-1/4" trailer hitch receivers
    • Compatible with Curt Class I and Class II hitches
  • Gross towing weight: 3,500 lbs
  • Tongue weight: 350 lbs
  • Ball hole diameter: 3/4"
  • Length: 7-1/4" from center of hitch pin hole to center of ball hole
  • Rise: 2-5/8" from top of inside of hitch opening
  • Drop: 3-1/4" from top of inside of hitch opening


How to Measure Drop on Standard Ball Mount

D-21 45521 Curt Ball Mount - 1-1/4" - Class II





Customer Satisfaction Score:


Customer Reviews

Curt Class II Drawbar - 2-5/8" Rise, 3-1/4" Drop - 7-1/4" Long - 3,500 lbs - C45521

Average Customer Rating:  4.8 out of 5 stars   (2043 Customer Reviews)

Corrosion-resistant ball mount is 7-1/4" long and fits 1-1/4" x 1-1/4" trailer hitch receivers.

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Exactly as needed, Smooth finish.



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great service as usual



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2036
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See what our Experts say about this CURT Trailer Hitch Ball Mount

  • How Come Only 1-1/4 inch Hitch Size is Available for 2018 Hyundai Kona
    2 inch trailer hitches are typically only made for vehicles with higher towing capacities like trucks and SUVs. Since your 2018 Hyundai Kona is a lighter duty vehicle there are only 1-1/4 inch hitches made for it like the Curt # C11529 that you referenced. Then for trailer wiring we have the zero-splice kit # 119250KIT as a fit that I recommend that easier to install and also very reliable. For a ball mount you'd then want the part # C45521 and for hitch balls # A-82 for a 2 inch ball...
    view full answer...
  • Trailer Hitch Recommendation for 2019 Toyota Camry SE Sport
    For your 2019 Toyota Camry SE Sport the best hitch option is the Curt # C11576 as it is the most hidden option available since only the hitch opening hangs below the rear bumper. For trailer wiring then you'd want the part # 118763 for the most reliable and easiest install option. For a ball mount you'd then want the part # C45521 and for balls # A-80 for a 1-7/8 inch or # A-82 for a 2 inch ball.
    view full answer...
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  • Do They Make a 2 Inch Trailer Hitch for a 2005 Volvo S80
    The only trailer hitch receiver they offer for your 2005 Volvo S80 is the Curt Trailer Hitch Receiver part # C12285 which has a 1-1/4" receiver tube opening. Therefore, no they do not offer a trailer hitch receiver with a 2" receiver tube opening on your 2005 Volvo S80. You can obtain a 2" receiver tube opening by using the Curt Trailer Hitch Receiver Adapter part # C45785 but please keep in mind that this will reduce the weight capacity of your trailer hitch by 50%. If you can tell me...
    view full answer...
  • Trailer Hitch Recommendation for 2019 Toyota Camry Hybrid
    The Curt Class II hitch part # C11576 is a confirmed fit for the 2019 Toyota Camry Hybrid models like what you have. We checked with Curt to verify this as a fit. You'll want to check your owners manual for any towing related capacities/restrictions. For trailer wiring you'd want the Tekonsha kit part # 118763 because it installs without requiring any hardwiring to your vehicle wiring and because it has our most reliable converter box. For a ball mount you'd want the part # C45521 and...
    view full answer...
  • Recommended Trailer Hitch Receiver for 2004 Mercedes-Benz E320 Wagon
    The Curt hitch # C11701 is a fit for the following models only based on the frame hole locations and vehicle capacity: 2003 - 2009 Mercedes-Benz E-Class Sedan - excluding Sport Package 2006 - 2006 Mercedes-Benz E-Class Wagon - E350 and E55 AMG 2007 - 2009 Mercedes-Benz E-Class Wagon - E350 and E63 AMG 2005 - 2005 Mercedes-Benz E-Class Wagon - E55 AMG For your 2004 Mercedes-Benz E320 Wagon, the Curt # C11820 is the only confirmed fit. It has a capacity of 200 lbs tongue weight and 2,000...
    view full answer...
  • Recommended Trailer Hitch Receiver for a 2013 Volkswagen Beetle
    You want the Curt, part # C11354, for your convertible 2013 Volkswagen Beetle. The other hitch you mentioned, part # C11260, fits the coupe model but not your convertible. If you plan to use the hitch to carry a cargo carrier, bike rack, or some other non-trailer accessory you also need to use a support strap, part # 18050, in order to be compliant with Curt's warranty. If instead you'll be towing a trailer with your Beetle, you don't need the strap but do need the recommend ball mount,...
    view full answer...
  • Curt Trailer Hitch Receiver That Fits 2016 Chevy Cruze Limited
    I checked with the manufacturer, and can verify that the only Curt trailer hitch receiver that fits your 2016 Chevy Cruze Limited is the Curt Trailer Hitch Receiver # C11425. The other option you were referring to is actually not a fit for the Limited, it is only a fit for the standard Cruze. I have added a link to the instructions as well as a video install for you to check out. If you plan on doing some light towing with your 2016 Cruze Limited, you'll need some other parts, which I'll...
    view full answer...
  • Recommended Trailer Hitch Receiver and Wiring for 2014 Audi Allroad
    For your 2014 Audi Allroad B8.5, I recommend the Curt Trailer Hitch Receiver - Custom Fit - Class I - 1-1/4" # C11195 which is a confirmed fit. Then you will need a ball mount like # C45521 and Pin and Clip # F-4. Then you'll need a hitch ball. I recommend # A-82 for a 2 inch ball or # A-80 for a 1-7/8 inch diameter hitch ball to match your trailer coupler. For your wiring, I recommend the Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector # C59236. This will allow...
    view full answer...
  • Correct Towing Capacity of Curt Hitch for 2004 Pontiac Vibe
    The correct capacity for Curt hitch # C12234 is 2000 lbs towing and 200 lbs tongue weight. I took a look at the owner's manual and it states that your 2004 Pontiac Vibe has a maximum towing capacity of 1,500 lbs, which is the weight you would need to go by. That hitch does come with a drawbar and pin and clip, though if you are looking to tow you will also need a 4-flat connector, which you can add with T-One Vehicle Wiring Harness # 118458. For a 1-7/8" hitch ball you would need # A-80...
    view full answer...
  • Towing Motorcycle Trailer with 2013 VW Beetle
    The Curt Trailer Hitch Receiver # C11260 features a 1,500 pound towing weight capacity, as you mentioned. As long as you stay under this number with the loaded weight of your trailer the hitch is absolutely up to the task. The other area you will need to look at though is the towing capacity of your 2013 VW Beetle. You will always be limited by your setup's weakest component, so if your Beetle has a lower capacity than 1,500 pound this is the number you need to follow. This information...
    view full answer...
  • Parts Needed to Flat Tow 2018 Kia Soul
    The first thing you need to flat tow your 2018 Kia Soul is a base plate kit like the Roadmaster Direct Connect part # RM-522115-5. In addition to the base plates, you will also need a compatible tow bar, safety cables, lighting, and supplemental braking to flat tow your vehicle. The most popular compatible tow bar is the Falcon All Terain, # RM-522. This has non-binding arms which makes the setup very easy to connect/disconnect. For lighting/safety cables, locks, and covers for the tow...
    view full answer...
  • Ball Mount Recommendation for Curt Hitch for 2008 BMW 335xi
    With Class I hitches like what is available for your 2008 BMW 335xi, part # C11033 you have to go with the recommended ball mount otherwise the warranty of the hitch is no longer valid. So you have to use the part # C45521 which is what Curt recommends. It has a 2-5/8 inch drop and 3-1/4 inch rise.
    view full answer...
  • Will Curt Trailer Hitch Fit 2007 Mercedes-Benz E-350 Sport
    While there are no trailer hitch fits for your 2007 Mercedes-Benz E-350 Sport, we might still have a solution for you if you can let me know what you plan on transporting. I've reached out to Curt in the past about the Trailer Hitch # C11701 not fitting the Sport model of an E-350 and he said in his notes it didn't say anything about the exhaust being an issue so it is likely that they found that the Sport model requires a lot of fascia trimming for the hitch to fit (as the exhaust and...
    view full answer...
    Image 1 for
  • Is Class III Trailer Hitch Available for a 2015 Infiniti QX50
    The only trailer hitch designed for your 2015 Infiniti QX50 is the Curt # C11510 which is a Class I rated hitch with a 1-1/4" receiver. So unfortunately there are no Class III trailer hitches that fit a 2015 QX50. If you let me know what you plan on using the trailer hitch for I can make some recommendations for you.
    view full answer...
    Image 1 for
  • Towing Bike Rack Availability with 5 Drop Ball Mount for Towing Vintage Trailer
    We do have ball mounts with a 5" drop that you can use with the Swagman Traveler XCS # S64664, but none of our towing bike racks come with a ball mount that has a 5" drop (none of them actually come with a ball mount as the pictures are for demonstration purposes). If you would like to stick with the XCS that you referenced then I recommend using the etrailer.com Ball Mount Kit # 989900 for 2" trailer hitches. This comes with a 2 different ball mounts, one of which has a 4" drop (which...
    view full answer...
  • Hitch Recommendation for a 2014 Subaru Impreza WRX Hatchback
    The only hitch we offer for your 2014 Subaru Impreza WRX hatchback is the Curt hitch part # C11120 that is a Class I 1-1/4 inch hitch. 2 inch hitches are reserved for larger vehicles like SUVs and trucks. I attached a help article on hitch sizes and classifications for you to check out as well.
    view full answer...
  • Differences Between Trailer Hitch Options for 2014 Chevy Volt
    The 100 lb figure you mention for the Curt # C11221 is actually the tongue weight capacity of the hitch, which is the maximum amount of downward force that could safely be applied to the trailer ball. Typically the tongue weight of a given trailer is between 10 and 15% of its fully loaded weight. Given that your trailer weighs a maximum of 400 lbs, the most tongue weight you'd likely see is 60 lbs, which is well within the capacity of the Curt # C11221. The EcoHitch # 306-X7180 and #...
    view full answer...
  • Trailer Hitch, Accessories, and Wiring for a 2006 Suzuki Forenza
    Curt trailer hitch # C11481 will fit a 2004 to 2008 Suzuki Forenza so it will also fit your 2006. If you plan on doing any towing with this vehicle be sure to consult the owners manual to make sure it can tow and to determine the vehicle capacity. The correct ball mount is # C45521 and you can use pin and clip # PC2. For a 1-7/8 inch ball use # 19256 and for a 2 inch ball use # 19258. For trailer wiring use # 119178KIT. I have linked instructions for the wiring and the hitch for you.
    view full answer...
  • Trailer Hitch Receiver and Bike Rack Recommendation for 2018 Audi A4 Allroad
    We can help you out with a trailer hitch receiver and bike rack for your 2018 Audi A4 Allroad, starting with the hitch. For that I recommend the Curt Trailer Hitch Receiver # C11448. I really like this hitch for your Audi because it is a fantastic value relative to other hitches that fit your vehicle, and has a nice design with a hidden crosstube. This is an installation that many people can do themselves though if you aren't comfortable with it you can absolutely get a local auto body...
    view full answer...
  • Can a 2009 Pontiac Vibe Safely Tow a 1,500 Pound Boat Trailer
    Since you would be right at capacity I do recommend taking any measures feasible in lightening the load. That will make it that much easier on the vehicle. I do believe that properly equipped, the 2009 Pontiac Vibe will be fine towing the 1,500 pounds. Since you will not constantly be towing it up a steep ramp, and that aspect is only a small part of the journey, the Vibe should be just fine. For a trailer hitch, you can use # C12221 but it is for GT models. If you have a GT model then...
    view full answer...
  • Parts Needed to Tow With 2012 Ford Fusion
    Hi Nicholas, We can get you a hitch for your 2012 Ford Fusion, but the maximum capacity for the hitch that fits is 2,000 lbs towing and 200 lbs tongue weight. You mentioned the ATV is 800 lbs and trailer is 775 lbs, so that is under 2k and would be just fine, just remember you want to stay under that weight. With that in mind, here is the hitch, wiring, and other parts you'll need to tow with your 2012 Ford Fusion: - Curt Trailer Hitch Receiver # C11390 - Vehicle Wiring Harness # 118422 -...
    view full answer...
  • Trailer Hitch & Wiring Harness For 2023 Kia Seltos to Tow Trailer
    We can set you up to tow with your 2023 Kia Seltos, and I'll go ahead and list out exactly what you need: - Curt Trailer Hitch Receiver # C65FR - T-Connector Vehicle Wiring Harness # C89KR - Curt Drawbar # C45521 - Pin and Clip # F-4 - 2" Hitch Ball # C40018 or 1-7/8" Hitch Ball # C40001
    view full answer...
  • Trailer Hitch and Wiring for a 2015 Subaru Outback with Rear Bumper Underguard Trim
    Yes, Curt trailer hitch # C12136 will fit all models of the 2015 Subaru Outback including yours. I have included a link to a video showing an example installation for you. If you plan on doing some towing you can use ball mount # C45521. For a 1-7/8 inch ball use # 19257 and for a 2 inch use # 19258. For trailer wiring you can use # 118467 to add a 4-Way flat connector to the rear of the vehicle. If you are using the hitch for accessories and not to tow then Curt also says you have to...
    view full answer...
  • Will Curt Trailer Hitch Receiver fir 2023 Honda CR-V Hybrid
    Yes, the Curt # C12169 will fit your 2023 Honda CR-V Hybrid. However, I recommend getting the Class III # C13397 instead. In addition to the higher capacity, you will have more available options when it comes to accessories and ball mounts with the 2" receiver. The # C56370 will work as long as you have the AWD model. If you have the front wheel drive model you will need the # C59236 instead. Since it sounds like you will be towing you also need a ball mount. If you stick with the 1-1/4"...
    view full answer...


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