Dorman 555-086 Engine Expansion Plug

Overview of Dorman Engine Core Plug 555-086 for Isuzu Trooper

The Dorman 555-086 engine core plug is designed specifically for Isuzu Trooper models, providing a reliable steel construction solution for engine block sealing. This cup type expansion plug ensures a secure fit with precise diameter specifications.

• Constructed from durable steel material for long-lasting performance
• Cup type design for effective sealing in engine block openings
• Maximum diameter of 1.202 inches and minimum diameter of 1.189 inches for accurate fitment
• Compatible with Isuzu Trooper engine hardware applications
• Sold as a single expansion plug for targeted replacement needs

Detailed Product Description

The Dorman 555-086 engine core plug is engineered to meet the exacting standards required for engine hardware, fasteners, and fittings. Made from steel, this cup type plug is designed to fit engine block openings with diameters ranging from 1.189 to 1.202 inches. Its robust construction helps maintain engine integrity by sealing coolant passages and preventing leaks. This part is specifically compatible with Isuzu Trooper vehicles, ensuring proper fit and function within the engine assembly.

Common Applications and Problem Solving

This engine core plug is used primarily to seal core holes left during the manufacturing process of engine blocks. It addresses several common issues, including:

• Preventing coolant leaks from engine block core holes
• Maintaining proper engine coolant pressure
• Protecting internal engine components from contamination
• Ensuring engine block structural integrity
• Replacing worn or damaged expansion plugs in Isuzu Trooper engines

Installation Notes and Tips

When installing the Dorman 555-086 engine core plug, ensure the engine block surface is clean and free of debris. The plug should be pressed evenly into the core hole to avoid deformation. Using the correct diameter plug is critical to prevent leaks or loosening during engine operation. It is recommended to inspect the surrounding area for corrosion or damage before installation.

Quality Assurance and Warranty

Dorman manufactures the 555-086 engine core plug to meet industry standards for durability and fitment. The steel material provides resistance to corrosion and wear under normal operating conditions. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to ensure customer confidence in product reliability.