Dorman Autograde Square Head Pipe Plug 1/2-14 NPT with 9/16 In Head for Leak Free Repair 090-002

Square head pipe plug 1/2-14 NPT with 9/16 inch head size used to replace worn or leaking factory plugs in automotive fluid systems.

Built to meet the manufacturer's design intent for reliable service, this plug is constructed from corrosion-resistant material and engineered for leak-free performance. It matches original equipment specifications for diameter, thread pitch, and head type to ensure a secure fit and long service life.

Key Features

• Square head design allows for easy installation and removal with standard tools
• Thread size 1/2-14 NPT ensures precise matching to factory ports
• Head size measures 9/16 inch for proper wrench engagement
• Constructed from durable corrosion-resistant materials
• Quality tested to validate proper fit and function
• Sold as a 5-piece pack for multiple repairs or future maintenance

Benefits

• Stops fluid leaks effectively to prevent system damage
• Direct fit replacement eliminates the need for modifications
• Corrosion resistance extends the lifespan of the repair
• Validated testing reduces the risk of repeat failures
• Multi-pack value provides spares for ongoing maintenance needs

Application

Ideal for mechanics and DIY enthusiasts repairing leaking ports in engine blocks, transmissions, or hydraulic lines where a 1/2-14 NPT square plug is required.

Fitment Notes

• Universal automotive application for 1/2-14 NPT threaded ports
• Compatible with General Motors part number 444746
• Replaces Papco 260-904 and Needa Parts 400814

Why Choose Dorman - Autograde?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Strong focus on durability and dependable performance helps reduce the risk of repeat repairs
• Built with quality materials and validated through testing to stand up to daily driving demands

What's in the Box

• 5 Piece Pack of Square Head Pipe Plugs

Item Dimensions

• Package Length: 3.2 inches
• Package Width: 2.4 inches
• Package Height: 1.5 inches
• Weight: 0.6 lbs