Dorman Autograde Flat Washer Grade 8 5/16 In. 320-011

Flat washer for 5/16 in. Grade 8 Dorman Autograde used to replace original washers in various automotive applications.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• Flat washer design
• Grade 8 material
• Size 5/16 in.
• Direct replacement for original washers
• Quality tested for long service life

Benefits

• Ensures reliable fit and performance
• Reduces risk of leaks or failure
• Provides consistent torque maintenance
• Extends component lifespan
• Easy to install with existing hardware

Application

This washer is ideal for automotive engines, transmissions, and other mechanical assemblies requiring a flat sealing surface. Common use cases include engine block mounting, transmission housing, and hydraulic fittings.

Fitment Notes

• Compatible w/ Rockford: 8072030R | Rockford: 8073-030R | The Hillman Group: 880252 | Wurth: 14080 2516 | Fastenal: 1133006 | Salvo: 36702 | Salvo: 76512 | HiTen Fasteners Private Limited: BNA05 | HiTen Fasteners Private Limited: BXJ05C | Disco Automotive Hardware: 11837

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. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they’re made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What’s in the Box

• 50 pcs included.

Item Dimensions

• Dimensions 3.2 in × 2.4 in × 1.5 in; weight 0.3 lbs.