Dorman 785-071 Pipe Plug

Durable Brass Pipe Plug for Ford, Lincoln, and Mercury Vehicles

The Dorman 785-071 pipe plug is designed to provide a reliable seal for various automotive applications. Crafted from brass with a square head drive, this pipe plug is compatible with multiple Ford, Lincoln, and Mercury models, ensuring a secure fit and long-lasting performance.

• Material: Brass construction for corrosion resistance
• Thread Type: Coarse outside threads with 1/4 inch MNPT size
• Head Drive: Square head with 0.35 inch tool size for easy installation
• Dimensions: 0.54 inch thread diameter, 0.75 inch overall length
• Thread Pitch: 20 threads per inch, SAE standard

Technical Details and Specifications

This pipe plug features a standard grade brass finish that is not heat hardened or zinc coated, providing a balance of durability and machinability. The outside coarse threads ensure a tight seal in SAE threaded ports, commonly found in fuel, oil, and coolant systems. The square head drive type allows for secure tightening with standard tools, minimizing the risk of stripping during installation or removal. With a thread diameter of 0.54 inches and a depth of 0.4 inches, the Dorman 785-071 fits 1/4 inch MNPT threaded ports precisely.

Compatible Vehicles and Applications

Compatible with a wide range of Ford, Lincoln, and Mercury vehicles, this pipe plug is suitable for models including the Ford Bronco, Mustang, F-150, Explorer, and Econoline series, as well as Lincoln Continental, Mark VI, and Mercury Cougar. It is ideal for sealing unused ports in hydraulic, fuel, or coolant systems on these vehicles.

• Seals unused threaded ports in fuel and oil systems
• Prevents fluid leaks in hydraulic lines
• Blocks coolant passages during repairs or modifications
• Replaces worn or damaged pipe plugs in OEM applications

Installation Notes and Tips

Before installation, ensure the threaded port is clean and free of debris to guarantee a proper seal. Use the appropriate 0.35 inch square drive tool to tighten the plug securely without over-torquing, which could damage the threads or deform the plug. Applying a thread sealant compatible with brass may improve leak resistance in high-pressure applications.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 785-071 pipe plug undergoes quality inspections to ensure thread accuracy and material integrity. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship.