• Dorman Autograde Hex Nut Nylon Ring Grade 2 Thread Size 5/8-18 for Automotive Repair 251-016
  • Dorman Autograde Hex Nut Nylon Ring Grade 2 Thread Size 5/8-18 for Automotive Repair 251-016
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Dorman - Autograde

Dorman Autograde Hex Nut Nylon Ring Grade 2 Thread Size 5/8-18 for Automotive Repair 251-016

Dorman Autograde Hex Nut Nylon Ring Grade 2 Thread Size 5/8-18 for Automotive Repair 251-016

$54.85
$54.85 $54.85
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In-stock orders are processed within 48 hours; transit time is additional.

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Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.

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Return details & how to start

Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.

Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.

Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.

After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.

Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

Hex nut with nylon ring grade 2 thread size 5/8-18 used to replace worn or missing fasteners in automotive applications.

Built to meet the manufacturer's design intent for reliable service. These nuts are manufactured using durable materials and corrosion tested to ensure required strength and longevity.

Key Features

  • Thread size 5/8-18 with 15/16 inch height
  • Grade 2 classification with nylon ring insert
  • Corrosion tested for long-term durability
  • Engineered by professional engineers in the United States
  • Sold as a 25 piece bulk pack

Benefits

  • Restores secure fastening to prevent component loosening
  • Nylon ring provides vibration resistance for critical joints
  • Direct-fit replacement matches OE form and function
  • Reduces risk of repeat repairs with quality materials
  • Cost-effective solution for multiple repair jobs

Application

Ideal for mechanics and DIY enthusiasts needing reliable replacement fasteners for suspension, engine, or chassis repairs where a 5/8-18 hex nut is specified.

Fitment Notes

  • Universal automotive part designed for various makes and models requiring 5/8-18 thread size
  • Verify thread pitch and diameter against original equipment before installation

Why Choose Dorman?

  • Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they're made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What's in the Box

  • 25 pieces of Dorman Autograde Hex Nut 251-016

Item Dimensions

  • Package measures 4.9 inches by 3.7 inches by 2.2 inches weighing 2.3 lbs
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Vehicle fitment