Dorman Autograde Prevailing Torque Lock Nut 3/8-16 for Automotive Repair 784-774

Prevailing torque lock nuts 3/8-16 by Dorman used to replace worn or damaged 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

• Thread size 3/8-16 for standard automotive applications
• Prevailing torque design prevents loosening under vibration
• Corrosion tested for enhanced durability
• Manufactured with high-strength materials
• Sold as a 2-piece pack

Benefits

• Secures critical components against vibration-induced loosening
• Restores factory-level clamping force to assemblies
• Reduces risk of repeat repairs due to fastener failure
• Ensures long-term reliability in harsh driving conditions
• Provides cost-effective replacement for OEM hardware

Application

Ideal for mechanics and DIY enthusiasts needing reliable locking hardware for suspension, exhaust, or engine component repairs where vibration resistance is critical.

Fitment Notes

• Universal fit for applications requiring 3/8-16 prevailing torque lock nuts
• Verify thread pitch and diameter against original equipment before installation

Why Choose Dorman?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Backed by a team of professional engineers and quality control specialists in the United States
• Built with quality materials and validated through testing to stand up to daily driving demands

What's in the Box

• 2 Prevailing Torque Lock Nuts

Item Dimensions

• 4.0 inches x 2.7 inches x 1.0 inches
• Weight: 0.1 lbs