Dorman Autograde Hex Lock Nuts with Nylon Ring Grade 2 Thread Size 7/16-20 for Automotive Repair 251-013
Dorman Autograde Hex Lock Nuts with Nylon Ring Grade 2 Thread Size 7/16-20 for Automotive Repair 251-013
Shipping calculated at checkout.
To United StatesChange
Final options and totals are confirmed at checkout.
Low stock: 3 left
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.
Read the shipping policyReturns
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 7/16-20 used to replace worn or missing fasteners in 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
- Thread size 7/16-20 inches for precise fitting
- Grade 2 classification for standard strength applications
- Integrated nylon ring prevents loosening from vibration
- Hex head design allows for easy installation with standard tools
- Corrosion tested to withstand harsh environmental conditions
- Backed by professional engineers and quality control specialists in the United States
Benefits
- Secures critical components against vibration-induced loosening
- Restores factory-level fastener integrity to your vehicle
- Reduces the risk of repeat repairs due to failed hardware
- Ensures a smooth installation process with direct-fit design
- Provides long-lasting durability for daily driving demands
- Offers a trustworthy solution validated through rigorous testing
Application
Ideal for mechanics and DIY enthusiasts needing reliable replacement fasteners for suspension, engine, or chassis repairs where 7/16-20 locking nuts are specified.
Fitment Notes
- Universal automotive application for 7/16-20 threaded studs
- Verify thread pitch and diameter against original equipment before installation
- Compatible with various makes and models requiring Grade 2 lock nuts
Why Choose Dorman - Autograde?
- Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
- Strong focus on fit, durability, and dependable performance restores vehicle confidence
- Built with quality materials to stand up to daily driving demands
- Proven aftermarket solutions keep your vehicle operating the way it should
What's in the Box
- 50 Piece bulk pack of hex lock nuts
Item Dimensions
- Package measures 3.7 inches by 2.4 inches by 2.2 inches
- Total package weight is 1.1 lbs
