{"product_id":"dorman-555-030-engine-expansion-plug","title":"Dorman 555-030 Engine Expansion Plug","description":"\u003ch2\u003eDurable Steel Engine Core Plug for Select GM and Chrysler Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 555-030 engine core plug is designed to provide reliable sealing for engine block openings in a variety of Buick, Chevrolet, GMC, and Chrysler models. Constructed from steel with precise dimensions, this cup-type expansion plug ensures a secure fit and long-lasting performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMade from durable steel material for strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eCup-type design for effective sealing of engine block core holes\u003c\/li\u003e\n\u003cli\u003eMaximum diameter of 1.643 inches and minimum diameter of 1.63 inches for accurate fitment\u003c\/li\u003e\n\u003cli\u003eCompatible with a wide range of GM and Chrysler vehicles including Chevrolet Silverado, Buick LeSabre, and Jeep Wagoneer\u003c\/li\u003e\n\u003cli\u003ePackaged as a single expansion plug for easy replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 555-030 engine core plug is engineered to meet OEM specifications for sealing engine block core holes. Its steel construction provides durability under high temperature and pressure conditions commonly found in engine compartments. The cup-type design allows the plug to expand and create a tight seal, preventing coolant or oil leaks. With a maximum diameter of 1.643 inches and a minimum diameter of 1.63 inches, this plug fits precisely into the designated core hole, ensuring proper installation and function.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis engine core plug is compatible with numerous makes and models, including Buick, Cadillac, Chevrolet, Chrysler, Dodge, GMC, Jeep, Oldsmobile, Plymouth, and Pontiac. Common applications include Chevrolet Silverado 1500, Buick LeSabre, Jeep Wagoneer, Pontiac Grand Prix, and Dodge Dakota, among others. The Dorman 555-030 is suitable for engine repairs requiring replacement of worn or damaged core plugs to maintain engine integrity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSeals engine block core holes to prevent coolant leaks\u003c\/li\u003e\n\u003cli\u003eReplaces corroded or damaged expansion plugs\u003c\/li\u003e\n\u003cli\u003ePrevents engine overheating caused by fluid loss\u003c\/li\u003e\n\u003cli\u003eMaintains proper engine pressure and fluid containment\u003c\/li\u003e\n\u003cli\u003eSupports engine rebuilds and maintenance tasks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installing the Dorman 555-030 engine core plug, ensure the engine block core hole is clean and free of debris or corrosion. Use appropriate tools to press the plug evenly into place without damaging the steel material. Verify the plug is fully seated to prevent leaks. It is recommended to inspect surrounding areas for additional core plugs that may require replacement during engine service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman engine core plugs are manufactured to meet industry standards for fit and function. The steel construction and precise dimensions contribute to reliable sealing performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to provide confidence in product quality.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44007295877301,"sku":"BKKZ-555-030","price":28.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_555030_Fro_8d319084-c932-47e9-97b6-0a6e0735c9e8.jpg?v=1775008389","url":"https:\/\/www.partcatalog.com\/products\/dorman-555-030-engine-expansion-plug","provider":"PartCatalog","version":"1.0","type":"link"}