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CURT Trailer Hitch Pin: 2 in Compatible Hitch Size, 5/8 in Pin Dia, III/IV/V - Pin & Clips
CURTPin & Clips

CURT Trailer Hitch Pin: 2 in Compatible Hitch Size, 5/8 in Pin Dia, III/IV/V

The CURT Trailer Hitch Pin (MPN 21579) is a Class III/IV/V steel pin with a 5/8 in diameter and 5 7/8 in overall length, designed for 2 in compatible hitch sizes. It includes a hitch clip and features a zinc-plated…

SKU 3G-OTH-485388

Brand
CURT
Item
Trailer Hitch Pin: 2 in Compatible Hitch Size, 5/8 in Pin Dia, III/IV/V
Category
Pin & Clips
Available to Order
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Technical Specifications

CURT
Manufacturer Part Number
21579
Type
III/IV/V
Material
Steel
Overall Lg
5 7/8 in
Finish
Zinc Plated
Pin Dia
5/8 in
Includes
Hitch Clip
Vehicle Class
III
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CURT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CURT Trailer Hitch Pin (MPN 21579) is a Class III/IV/V steel pin with a 5/8 in diameter and 5 7/8 in overall length, designed for 2 in compatible hitch sizes. It includes a hitch clip and features a zinc-plated finish.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the CURT 21579 trailer hitch pin used for?

The CURT 21579 trailer hitch pin secures the coupler to the hitch receiver on Class III, IV, or V trailers. It is designed for 2 in compatible hitch sizes and includes a hitch clip for retention. Common applications include towing boat trailers, utility trailers, and equipment trailers in industrial and agricultural settings.

What are the specifications of the CURT 21579 hitch pin?

The CURT 21579 hitch pin has a 5/8 in pin diameter and a 5 7/8 in overall length. It is made of steel with a zinc-plated finish for corrosion resistance. The pin is rated for Class III, IV, and V hitches and includes a hitch clip. The manufacturer part number is 21579.

Where to buy the CURT 21579 trailer hitch pin worldwide?

3G Electric supplies the CURT 21579 trailer hitch pin to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this genuine CURT part.

How to install the CURT 21579 hitch pin?

To install the CURT 21579 hitch pin, align the trailer coupler with the 2 in hitch receiver. Insert the 5/8 in pin through the aligned holes until the clip groove is exposed. Secure the included hitch clip over the groove. Ensure the pin is fully seated and the clip is locked before towing.

Used in

Common applications for CURT
Fleet maintenance — CURT Box End Wrench (MPN 20001) for tightening hitch bolts and trailer fasteners
Construction site security — CURT Automotive Hitch Lock (MPN 23666) for securing equipment trailers and tool boxes
Warehouse operations — CURT cable locks for temporary locking of roll cages or pallet racks
Field service — CURT wrenches for on-site repair of towing equipment on service vehicles
Event logistics — CURT hitch locks for securing temporary barriers or stage equipment

CURT Products

3G Electric supplies CURT pin & clips. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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