Dorman Autograde Engine Cylinder Head Plug 1/2-14 NPT Square Head for Buick Chevrolet GMC Oldsmobile Pontiac 090-092

Engine cylinder head plug 1/2-14 NPT with 3/8 inch square head for 1992 to 2003 Buick Chevrolet GMC Oldsmobile and Pontiac vehicles used to replace leaking or damaged factory pipe plugs.

Built to meet the manufacturer's design intent for reliable service using quality carbon steel materials engineered to withstand engine heat and pressure while maintaining a secure seal in the cylinder head.

Key Features

• Thread size 1/2-14 NPT matches original equipment specifications
• Square head design allows for easy installation and removal with standard tools
• Head size measures 3/8 inch for proper torque application
• Constructed from durable carbon steel for long-term reliability
• Direct fit replacement for specified General Motors engine applications
• Package includes 5 pieces for multiple repair needs

Benefits

• Stops oil or coolant leaks caused by worn or stripped factory plugs
• Restores engine integrity and prevents fluid loss during operation
• Reduces risk of repeat repairs with robust material construction
• Saves time and money compared to dealer-only parts
• Ensures proper sealing to maintain engine performance and cleanliness
• Backed by Dorman's century of automotive expertise and US-based support

Application

Ideal for DIY mechanics and professional technicians repairing engine leaks on older GM vehicles including Buick models from 1993 to 1996 Chevrolet and GMC trucks and cars from 1992 to 2003 and Oldsmobile and Pontiac vehicles from the mid-1990s to early 2000s.

Fitment Notes

• Compatible with Buick 1993-1996 Chevrolet 1992-2003 GMC 1994-2003 Oldsmobile 1993-1996 and Pontiac 1995-2002
• Replaces General Motors part number 25522466
• Verify thread pitch and head size before purchase to ensure compatibility

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 are made to stand up to daily driving demands and help reduce the risk of repeat repairs

What's in the Box

• 5 Piece Set of Engine Cylinder Head Plugs

Item Dimensions

• 3.2 inches x 2.4 inches x 1.5 inches
• Weight 0.4 lbs