{"product_id":"dorman-555-040-engine-core-plug","title":"Dorman 555-040 Engine Core Plug","description":"\u003ch2\u003eOverview of Dorman Engine Core Plug 555-040\u003c\/h2\u003e\u003cp\u003eThe Dorman 555-040 engine core plug is designed specifically for Buick Roadmaster models, providing a reliable seal for engine block openings. Made from durable steel, this cup-type expansion plug ensures a secure fit and long-lasting performance in your vehicle's engine system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality steel for durability\u003c\/li\u003e\n\u003cli\u003eCup-type design for effective sealing\u003c\/li\u003e\n\u003cli\u003eMaximum diameter of 1.953 inches and minimum diameter of 1.94 inches for precise fit\u003c\/li\u003e\n\u003cli\u003eCompatible with Buick Roadmaster engine blocks\u003c\/li\u003e\n\u003cli\u003eSold as a single expansion plug\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 555-040 engine core plug is engineered to meet the specifications required for Buick Roadmaster engines. Its steel construction offers resistance to corrosion and wear, which is critical for maintaining engine integrity. The cup-type design allows the plug to expand and create a tight seal within the engine block, preventing coolant or oil leaks. With a maximum diameter of 1.953 inches and a minimum diameter of 1.94 inches, this plug fits precisely into the designated core hole, ensuring proper sealing and engine performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSealing core holes left after engine block casting\u003c\/li\u003e\n\u003cli\u003ePreventing coolant leaks in Buick Roadmaster engines\u003c\/li\u003e\n\u003cli\u003eReplacing worn or damaged expansion plugs to maintain engine pressure\u003c\/li\u003e\n\u003cli\u003eAddressing oil leaks caused by faulty core plugs\u003c\/li\u003e\n\u003cli\u003eRestoring engine block integrity during rebuilds or repairs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 555-040 engine core plug, ensure the engine block surface is clean and free of debris. The plug should be carefully pressed or tapped into place to avoid damage. Verify the plug’s diameter matches the core hole to prevent leaks. It is recommended to inspect surrounding areas for corrosion or damage during replacement to maintain optimal engine performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 555-040 engine core plug to meet industry standards for fit and function. The steel material provides durability and resistance to engine environment conditions. While specific warranty details are not provided, Dorman products typically undergo quality control processes to ensure reliability and compatibility with Buick Roadmaster vehicles.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51931961589941,"sku":"BKKZ-555-040","price":30.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_555040_Fro.jpg?v=1775008391","url":"https:\/\/www.partcatalog.com\/products\/dorman-555-040-engine-core-plug","provider":"PartCatalog","version":"1.0","type":"link"}