Dorman Autograde Split Lock Washer Grade 5 5/16 Inch 175 Pack 818-011

Split lock washers grade 5 5/16 inch used to replace worn or missing factory fasteners in automotive and industrial applications.

Built to meet the manufacturer's design intent for reliable service, this hardware 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 nominal size for standard fastener compatibility
• Split lock design prevents loosening under vibration
• Direct replacement for original equipment washers
• Bulk pack contains 175 pieces for multiple repairs
• Quality tested for durability and consistent performance

Benefits

• Prevents bolt and nut loosening caused by engine vibration
• Restores proper clamping force to critical assemblies
• Reduces the risk of repeat repairs with durable materials
• Cost-effective bulk quantity for shop inventory or large projects
• Ensures safe and secure fastening in demanding environments
• Matches OE form and function for seamless installation

Application

Ideal for mechanics and DIY enthusiasts needing reliable locking washers for suspension components, engine brackets, exhaust systems, and general automotive maintenance where vibration resistance is critical.

Fitment Notes

• Universal fitment for any application requiring a 5/16 inch Grade 5 split lock washer
• Compatible with various makes and models using standard imperial fasteners
• Replaces Midwest 25803, Rockford 8077-030R, Wurth 0442 516, and HiTen DXD05

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
• Helps reduce the risk of repeat repairs with a strong focus on fit and durability
• Provides proven aftermarket solutions to keep your vehicle operating the way it should

What's in the Box

• 175 Piece Split Lock Washer Assortment

Item Dimensions

• Package Length: 3.7 inches
• Package Width: 2.4 inches
• Package Height: 2.2 inches
• Weight: 0.8 lbs