Dorman 555-014 Engine Intake Manifold Expansion Plug

Overview of Dorman Engine Intake Manifold Expansion Plug 555-014

The Dorman 555-014 Engine Intake Manifold Expansion Plug is designed to provide a reliable seal for intake manifold openings. Constructed from durable steel, this cup-type expansion plug ensures a secure fit and long-lasting performance for various vehicle models including Buick, Chevrolet, and Jeep.

• Made from high-quality steel for durability
• Cup-type design for effective sealing
• Maximum diameter: 0.891 inches, minimum diameter: 0.88 inches
• Compatible with multiple makes and models including Camaro, Cherokee, and Ram 2500
• Single expansion plug included per package

Detailed Product Description and Attributes

The Dorman 555-014 expansion plug is engineered to fit precisely within the intake manifold, preventing leaks and maintaining engine efficiency. Its steel construction offers resistance to heat and corrosion, which is critical for engine components exposed to harsh conditions. The cup-type design allows the plug to expand securely within the manifold bore, with a diameter range between 0.88 and 0.891 inches to accommodate slight variations in manifold openings. This part is compatible with a wide range of vehicles such as the Buick Century, Chevrolet Camaro, Dodge Ram 3500, and Jeep Wrangler, making it a versatile choice for engine maintenance and repair.

Common Applications and Problem Solving

• Seals intake manifold openings to prevent vacuum leaks
• Replaces worn or damaged expansion plugs causing engine performance issues
• Prevents coolant or oil leaks in the intake manifold area
• Helps maintain proper engine pressure and efficiency
• Addresses issues related to manifold gasket failure or deterioration

Installation Notes and Tips

When installing the Dorman 555-014 expansion plug, ensure the manifold surface is clean and free of debris. The plug should be pressed or gently tapped into place to achieve a tight seal without damaging the steel material. Verify the diameter of the manifold opening matches the plug’s specifications (0.88 to 0.891 inches) for optimal fitment. It is recommended to inspect surrounding components such as gaskets and seals during installation to prevent future leaks.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 555-014 expansion plug undergoes quality control inspections to ensure proper dimensions and material integrity. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to support customer confidence in their products.