Dorman 555-017 Engine Expansion Plug

Overview of Dorman Engine Core Plug 555-017

The Dorman 555-017 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 material for long-lasting performance
• Cup type design ensures a secure and effective seal
• Maximum diameter of 1.013 inches and minimum diameter of 1.002 inches for accurate fitment
• Sold as a single expansion plug for engine block sealing

Detailed Product Description

The Dorman 555-017 engine core plug is manufactured from steel, providing strength and resistance to corrosion in harsh engine environments. Its cup type design allows it to fit securely into the engine block core holes, preventing coolant or oil leaks. With a maximum diameter of 1.013 inches and a minimum diameter of 1.002 inches, this plug is engineered to fit tightly and maintain engine integrity. This expansion plug is suitable for use in a variety of automotive applications where precise core plug dimensions are required.

Common Applications and Issues Addressed

• Sealing core holes in engine blocks to prevent coolant leaks
• Replacing worn or corroded engine core plugs in vehicles such as Ford F-150, Chevrolet Silverado, and Dodge Ram
• Preventing engine overheating caused by coolant loss
• Maintaining engine block pressure and fluid containment
• Addressing oil leaks related to faulty core plugs

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 place without damaging the cup type edges
• Verify the plug diameter matches the engine block specifications to avoid leaks
• Inspect surrounding areas for corrosion or damage that may affect sealing

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance. The 555-017 engine core plug undergoes quality checks to maintain dimensional accuracy and material integrity. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.