Dorman 565-025 Engine Timing Cover Plug

Overview of the Dorman Engine Timing Cover Plug

The Dorman 565-025 engine timing cover plug is designed specifically for select Pontiac models, including the Bonneville and Catalina. Crafted from durable brass, this cup-type expansion plug ensures a reliable seal within the engine timing cover assembly.

• Constructed from corrosion-resistant brass material
• Cup-type design for secure fit and sealing
• Maximum diameter of 1.392 inches and minimum diameter of 1.382 inches for precise fitment
• Compatible with Pontiac Bonneville and Catalina models
• Sold as a single expansion plug

Detailed Product Description

This engine timing cover plug by Dorman, part number 565-025, is engineered to replace worn or damaged plugs in the timing cover of Pontiac Bonneville and Catalina vehicles. The brass construction offers resistance to corrosion and wear, which is critical for maintaining the integrity of the engine timing cover seal. The cup-type design allows for easy installation and a tight fit, with diameters ranging between 1.382 and 1.392 inches to match factory specifications. This plug helps prevent oil leaks and contamination within the timing cover area, contributing to the overall engine performance and longevity.

Common Applications and Problem Solving

• Sealing oil passages in the engine timing cover
• Preventing oil leaks that can cause engine damage
• Replacing corroded or damaged expansion plugs
• Maintaining proper engine timing cover pressure
• Ensuring a secure fit to avoid contamination ingress

Installation Notes and Tips

When installing the Dorman 565-025 timing cover plug, ensure the engine timing cover surface is clean and free of debris. The cup-type plug should be pressed evenly into place using appropriate tools to avoid deformation. Verify the plug diameter matches the timing cover bore to ensure a proper seal. It is recommended to inspect the surrounding gasket and seals during installation to maintain overall engine integrity.

Quality Assurance and Warranty

Dorman manufactures this engine timing cover plug to meet or exceed OEM standards for fit, form, and function. The brass material provides durability and resistance to corrosion under typical engine operating conditions. While specific warranty details may vary, Dorman products generally come with a limited warranty against defects in material and workmanship, providing confidence in the part's reliability for Pontiac Bonneville and Catalina applications.