Dorman Autograde Hex Lock Nuts with Nylon Ring Grade 2 Thread Size 3/8-16 for Automotive Repair 784-758
Dorman Autograde Hex Lock Nuts with Nylon Ring Grade 2 Thread Size 3/8-16 for Automotive Repair 784-758
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Shipping & returns
Shipping details
In-stock orders are processed within 48 hours; transit time is additional.
International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.
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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.
Read the full return policyReturn 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 lock nuts with nylon ring grade 2 thread size 3/8-16 used to replace worn or missing factory fasteners on automotive assemblies.
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
- Grade 2 hex lock nut construction with integrated nylon ring
- Thread size 3/8-16 inches for standard automotive applications
- Nut height measures 29/64 inches for precise fitment
- Corrosion tested to withstand harsh environmental conditions
- Engineered by professional engineers and quality control specialists in the United States
- Sold as a 2-piece package for convenient replacement
Benefits
- Prevents loosening caused by vibration during vehicle operation
- Restores secure fastening to critical vehicle components
- Reduces risk of repeat repairs with durable material construction
- Ensures dependable performance matching OE form and function
- Provides a cost-effective solution for maintaining vehicle safety
- Offers peace of mind with trustworthy Dorman quality
Application
Ideal for mechanics and DIY enthusiasts needing reliable replacement fasteners for suspension, engine, or chassis repairs where vibration resistance is critical.
Fitment Notes
- Universal fit for applications requiring 3/8-16 thread size hex lock nuts
- Verify thread pitch and diameter against original equipment specifications before installation
Why Choose Dorman - Autograde?
- 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.
What's in the Box
- 2 Piece Hex Lock Nuts
Item Dimensions
- 1.1in x 1.6in x 4.0in, 0.1lbs
