Dorman 555-005 Engine Expansion Plug

Overview of Dorman Engine Core Plug 555-005

The Dorman 555-005 engine core plug is a steel cup-type expansion plug designed for reliable sealing in engine blocks. This part is engineered to meet the demands of various vehicle makes and models requiring precise core plug dimensions.

• Constructed from durable steel for long-lasting performance
• Cup-type design ensures a secure and tight fit
• Maximum diameter of 0.536 inches and minimum diameter of 0.464 inches for accurate fitment
• Sold as a single expansion plug for engine block sealing

Detailed Product Description

The Dorman 555-005 engine core plug is manufactured from steel, providing strength and resistance to corrosion in harsh engine environments. Its cup-type design allows it to expand and seal core holes effectively, preventing coolant and oil leaks. With a maximum diameter of 0.536 inches and a minimum diameter of 0.464 inches, this plug fits specific engine block openings, ensuring a proper seal. This expansion plug is essential for maintaining engine integrity and preventing fluid loss.

Common Applications and Issues Addressed

• Sealing core holes in engine blocks to prevent coolant leaks
• Replacing worn or corroded core plugs in older vehicles
• Preventing oil leaks from engine block openings
• Maintaining engine pressure and fluid containment
• Addressing overheating issues caused by coolant loss

Installation Notes and Tips

• Ensure the engine block core hole is clean and free of debris before installation
• Use appropriate tools to press the plug evenly into the block without damaging the cup
• Verify the plug diameter matches the engine block specifications for a secure fit
• Inspect surrounding areas for corrosion or damage prior to installation

Quality Assurance and Warranty

Dorman engine core plugs are manufactured to meet industry standards for durability and fitment. The 555-005 part number undergoes quality control to ensure consistent performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.