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Tivnhuils

Trailer Hitch Pin, 4PCS Tivnhuils Safety Coupler Pin Trailer Coupler Pin, Zinc Plated Carbon Steel Locking Pin Trailer Pin, 5/16" x 2.75", Medium

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Condition: New
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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon
Arrives Wednesday, Jul 22
Order within 22 hours and 42 minutes
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Size: Medium


Color: 4PCS


Features

  • High-Strength: Trailer coupler pin is made of carbon stee, sturdy and durable.
  • Durable: Locking pin has a zinc-plated outer layer, rust and corrosion resistant.
  • Stable: The semicircular clip of safety coupler pin is made of spring steel, which has good toughness and not easy to fall off after locking.
  • Widely-Used: Trailer coupler pin can fit various trailer couplers, agricultural equipment, yard tools.
  • Size: 5/16 Diameter, 2-3/4 long, 2-1/5 clip radius.

Material: Carbon Steel


Size: Medium


Pin type: Coupler Pin


Brand: Tivnhuils


Item Diameter: 0.31 Inches


Brand: Tivnhuils


Number of Pieces: 4


Manufacturer: THS010


Model: THS010


Item Type Name: Shaft Locking Pin


Included Components: No component


Fastener Type: coupler


Size Name: Medium


Item Diameter: 0.31 Inches


Item Dimensions: 3 x 0.31 x 3.15 inches


Material Type: Carbon Steel


Finish Types: Zinc Plated


Pin Type: Coupler Pin


Compatible Groove Diameter: 0.31 Inches


Color: 4PCS


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Jul 22

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Nice Coupler pin
Size: Medium Color: 2PCS
Sturdy!
Reviewed in the United States on February 28, 2026 by matt s
    • If you need these, buy them.
Size: Small Color: 4PCS
Good price point and does the job. No complaints.
Reviewed in the United States on September 14, 2025 by MnBoy
    • Perfect for what you need it for
Size: Small Color: 2PCS
Works as advertised
Reviewed in the United States on March 18, 2026 by Frederick
    • Did what it said it would do
Size: Small Color: 4PCS
This was exactly what I needed worked perfect
Reviewed in the United States on December 11, 2025 by sandra craven
    • Decent
Size: Small Color: 4PCS
Seems to be good quality
Reviewed in the United States on July 9, 2025 by Steve G.
    • Secure Coupler Pin
Size: Small Color: 2PCS
These fit my trailer coupler perfectly. They are strong and lock very well. I had bought some earlier but they were too big in diameter. So, I had to send them back and get some smaller in diameter. Therefore, one should pay particular attention to the size of the coupler pin. I finally got it right and am confident of the results. ... show more
Reviewed in the United States on March 19, 2026 by Huckleberry Hound
    • Item As Described And Better Then Expected Quality
Size: Small Color: 4PCS
Surprised at the quality so cheaply priced. Exactly why I needed.
Reviewed in the United States on October 29, 2025 by Allen
    • Great fit and ease of application
Size: Medium Color: 4PCS
just a easier insert for old hands and a more secure hold.
Reviewed in the United States on February 13, 2026 by Amazon Customer

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