Dorman 42089 Engine Valve Cover Bolt Kit

Dorman 42089 Valve Cover Bolt Kit

Dorman 42089 is an engine valve cover bolt kit built to match the fit and function of the original hardware on specified vehicles. It helps secure the valve cover to the cylinder head when the original bolts are missing, corroded, or damaged. Compatible With 2001-2004 Chevrolet Silverado 2500 HD, 2001-2004 Chevrolet Silverado 3500, 2001-2004 GMC Sierra 2500 HD, and 2001-2004 GMC Sierra 3500.

Key Features

• Direct-fit engine valve cover bolt kit for specified applications
• Steel construction with clear zinc finish for corrosion resistance
• 6 mm thread diameter with medium thread type
• Allen key head drive for service-friendly installation
• Engineered to match original equipment fit and function
• Fits Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, GMC Sierra 2500 HD, and GMC Sierra 3500 applications from 2001-2004

Detailed Description

This Dorman valve cover bolt kit is designed for engine service on 2001-2004 Chevrolet Silverado 2500 HD, 2001-2004 Chevrolet Silverado 3500, 2001-2004 GMC Sierra 2500 HD, and 2001-2004 GMC Sierra 3500 models. The steel hardware uses a clear zinc coating and 6 mm medium threads to match the original fastening style used on the specified vehicles. Part number 42089 is a practical OE-style replacement when the factory valve cover bolts are no longer usable. This part cross-references GM OE 97372245 for the same application.

What It Helps Solve

• Missing valve cover bolts during engine repair
• Corroded fasteners that no longer hold securely
• Damaged threads or worn bolt heads
• Valve cover sealing issues caused by improper fastening
• Service delays when original hardware is unavailable

Installation Notes and Tips

Verify thread diameter, head drive type, and application before installation. Clean the valve cover and cylinder head mating surfaces, inspect the threads in the cylinder head, and replace any damaged hardware before reassembly. Use the correct Allen key tool and tighten fasteners evenly to maintain proper valve cover seating on the engine.

Quality Assurance

Dorman designs this hardware to match original equipment fit and function on the listed vehicles. Part number 42089 is built for specified Chevrolet Silverado and GMC Sierra applications and follows the dimensions and fastening style needed for service replacement.