Dorman Autograde Grade 8 Hex Head Cap Screw 9/16-12 x 4-1/2 Inch for Automotive Repair 197-545

Grade 8 hex head cap screws sized 9/16-12 x 4-1/2 inch used to replace worn or broken fasteners in automotive and heavy equipment applications.

Built to meet the manufacturer's design intent for reliable service, these bolts are manufactured using durable materials and corrosion-tested to ensure required strength and longevity. They are engineered by a team of professional engineers and quality control specialists in the United States to deliver trustworthy performance.

Key Features

• Constructed from high-strength Grade 8 steel for maximum durability
• Features a hex head design for easy installation with standard tools
• Corrosion-tested to withstand harsh environmental conditions
• Precise thread specification of 9/16-12 ensures proper fitment
• Total length of 4-1/2 inches suits deep mounting applications
• Validated by US-based engineering and quality control teams

Benefits

• Restores structural integrity to critical vehicle assemblies
• Reduces the risk of repeat repairs caused by fastener failure
• Provides confidence through rigorous strength and corrosion testing
• Ensures smooth installation with direct-fit OE form and function
• Offers a cost-effective solution compared to dealer-only parts
• Supports long-term vehicle reliability under daily driving demands

Application

Ideal for mechanics and DIY enthusiasts needing high-strength replacement fasteners for suspension components, engine mounts, frame repairs, or heavy-duty equipment assembly where standard hardware is insufficient.

Fitment Notes

• Universal automotive application based on thread size and length requirements
• Verify specific thread pitch and length needs against original equipment specifications before installation

Why Choose Dorman?

• 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

• 10 Piece Pack of Grade 8 Hex Head Cap Screws

Item Dimensions

• Package Length: 5.5 inches
• Package Width: 4.0 inches
• Package Height: 2.3 inches
• Package Weight: 3.6 lbs