Dorman Autograde Hex Head Pipe Plug 1/4 In MNPT for Buick Chevrolet GMC Oldsmobile Pontiac 785-422

Hex head pipe plug 1/4 in MNPT for Buick Chevrolet GMC Oldsmobile and Pontiac used to replace worn or leaking factory drain plugs.

Built to meet the manufacturer's design intent for reliable service. This pipe plug matches original equipment specifications for diameter thread pitch and head type to ensure a secure fit. Made of corrosion-resistant material it is engineered for leak-free performance and long service life.

Key Features

• Hex head design allows for easy installation and removal with standard tools
• 1/4 inch MNPT thread size matches specific vehicle applications
• Constructed from corrosion-resistant materials for durability
• Quality tested to ensure proper fit and function
• Direct replacement for original equipment part numbers

Benefits

• Stops fluid leaks caused by damaged or stripped drain plugs
• Restores engine or transmission system integrity
• Prevents costly fluid loss and potential mechanical damage
• Ensures a tight seal that lasts through multiple oil changes
• Provides a cost-effective solution compared to dealer parts

Application

Ideal for vehicle owners and mechanics needing a reliable replacement for stripped cracked or missing pipe plugs in engine blocks transmissions or differentials on compatible GM vehicles.

Fitment Notes

• Compatible with Buick models from 1975 to 1993
• Compatible with Chevrolet models from 1978 to 1992
• Compatible with GMC models from 1978 to 1984
• Compatible with Oldsmobile models from 1975 to 1993
• Compatible with Pontiac models from 1976 to 1993

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

What's in the Box

• 1 Pipe Plug

Item Dimensions

• 4.0in x 2.7in x 1.0in
• Weight: 0.1lbs