Dorman 565-077 Engine Expansion Plug

Overview of Dorman 565-077 Engine Core Plug

The Dorman 565-077 engine core plug is designed specifically for Mercury Lynx models, providing a reliable seal for engine block openings. Crafted from durable brass with a gold finish, this cup-type expansion plug ensures a secure press fit to maintain engine integrity.

• Material: Brass construction for corrosion resistance
• Color: Gold finish for durability and identification
• Attachment Type: Press fit for secure installation
• Dimensions: 1.5 inch closed and open end diameter, 0.22 inch depth
• Type: Cup type expansion plug designed for engine block sealing

Detailed Product Description

The Dorman 565-077 engine core plug is engineered to meet the specifications required for Mercury Lynx vehicles. Its brass material offers excellent resistance to corrosion and wear, which is critical for engine components exposed to coolant and varying temperatures. The gold color finish not only enhances durability but also aids in quick visual inspection during maintenance. This cup-type plug features a 1.5 inch diameter on both the open and closed ends, with a depth of 0.22 inches, ensuring a precise fit within the engine block. The press fit attachment type allows for straightforward installation without the need for additional sealing compounds.

Common Applications and Problem Solving

• Sealing engine block core holes to prevent coolant leaks
• Replacing worn or corroded expansion plugs in Mercury Lynx engines
• Maintaining engine cooling system integrity
• Preventing engine block damage caused by fluid leaks
• Ensuring proper engine pressure and performance

Installation Notes and Tips

• Ensure the engine block core hole is clean and free of debris before installation
• Use a press or appropriate tool to evenly seat the plug without damaging it
• Verify the plug is flush with the engine block surface to prevent leaks
• Check for leaks after installation by running the engine and inspecting the area

Quality Assurance and Warranty

Dorman manufactures the 565-077 engine core plug to meet OEM standards for fit and function, specifically for Mercury Lynx vehicles. The brass construction and precise dimensions contribute to long-lasting performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship.