Dorman Autograde Grade 5 Split Lock Washer 5/16 Inch 50 Pack for Automotive Repair 799-031

Grade 5 split lock washers 5/16 inch used to replace worn or missing fasteners in automotive and mechanical applications.

Built to meet the manufacturer's design intent for reliable service, this washer is constructed from quality materials and undergoes extensive testing to ensure a secure fit and long service life.

Key Features

• Grade 5 steel construction for high tensile strength
• 5/16 inch size matches standard fastener requirements
• Split lock design prevents loosening under vibration
• Direct replacement for original equipment washers
• Extensively quality tested for durability
• Includes 50 pieces for multiple repairs

Benefits

• Prevents bolt loosening caused by engine vibration and road shock
• Restores proper clamping force to critical connections
• Reduces the risk of repeat repairs with durable materials
• Ensures a precise fit that matches OE form and function
• Provides ample supply for bulk maintenance tasks
• Helps maintain vehicle safety and operational integrity

Application

Ideal for mechanics and DIY enthusiasts needing reliable fasteners for engine components, suspension repairs, or general automotive assembly where vibration resistance is critical.

Fitment Notes

• Universal fit for applications requiring 5/16 inch Grade 5 split lock washers
• Compatible with various makes and models using standard imperial fasteners

Why Choose Dorman?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Built with quality materials and validated through testing to stand up to daily driving demands
• Offers a smart way to restore your vehicle with confidence in fit and durability

What's in the Box

• 50 Piece Pack of Split Lock Washers

Item Dimensions

• 3.0in x 2.5in x 1.3in, 0.3lbs