Dorman HELP Starter Mounting Bolt 3/8-16 X 4-1/2 Inch for GM 4.3L 5.0L 45643

Starter mounting bolts for GM 4.3L and 5.0L engines used to replace worn or broken factory hardware.

Built to meet the manufacturer's design intent for reliable service, this bolt is engineered from quality materials to ensure durable performance under hood conditions.

Key Features

• Type 1 starting mounting bolt design
• Thread size 3/8-16 with 4-1/2 inch length
• Compatible with GM 4.3L and 5.0L engine applications
• Constructed from quality materials for longevity
• Sold as a 2-piece set for complete replacement

Benefits

• Restores secure starter alignment and operation
• Prevents vibration-induced loosening common with worn bolts
• Ensures proper torque specifications for safe installation
• Reduces risk of starter damage due to improper mounting
• Provides a direct fit solution to minimize installation time
• Backed by over a century of automotive expertise

Application

Ideal for mechanics and DIY enthusiasts repairing starter systems on General Motors trucks and SUVs equipped with 4.3L or 5.0L V6 and V8 engines where original bolts are stripped, corroded, or missing.

Fitment Notes

• Designed specifically for GM 4.3L and 5.0L engine platforms
• Verify thread pitch and length against original equipment before installation

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.
• Supported by a team of product experts in the United States with more than a century of automotive experience.

What's in the Box

• 2 Piece Starter Mounting Bolt Set

Item Dimensions

• 8.3 inches x 1.8 inches x 1.1 inches
• Weight: 0.4 lbs