{"product_id":"dorman-555-045-engine-expansion-plug","title":"Dorman 555-045 Engine Expansion Plug - Rear","description":"\u003ch2\u003eDurable Steel Engine Core Plug for GM Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 555-045 engine core plug is designed to provide a reliable seal for engine block openings in various General Motors vehicles. Crafted from steel with precise dimensions, this cup-type expansion plug ensures a secure fit and long-lasting performance in Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed 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: 2.021 inches; Minimum diameter: 2.003 inches for precise fitment\u003c\/li\u003e\n\u003cli\u003eCompatible with a wide range of GM vehicles including Chevrolet Blazer, GMC Jimmy, Pontiac Firebird, and more\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 555-045 engine core plug is engineered to meet OEM specifications for engine hardware, fasteners, and fittings. Its steel construction offers durability under high temperature and pressure conditions commonly found in engine cooling systems. The cup-type design allows the plug to expand and create a tight seal within the engine block, preventing coolant leaks and maintaining system integrity. With a maximum diameter of 2.021 inches and a minimum diameter of 2.003 inches, this plug fits precisely into core holes, ensuring compatibility with various GM models such as the Chevrolet C10 Suburban, Buick LeMans, and Pontiac Grand LeMans.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis engine core plug is compatible with multiple makes and models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick LeMans, Skylark, and Omega\u003c\/li\u003e\n\u003cli\u003eChevrolet Camaro, Impala, and C1500 Suburban\u003c\/li\u003e\n\u003cli\u003eGMC Jimmy, K1500, and Safari\u003c\/li\u003e\n\u003cli\u003eOldsmobile Cutlass Supreme and Grand LeMans\u003c\/li\u003e\n\u003cli\u003ePontiac Firebird, Tempest, and Safari\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Uses and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSealing engine block core holes after casting or repair\u003c\/li\u003e\n\u003cli\u003ePreventing coolant leaks in the engine cooling system\u003c\/li\u003e\n\u003cli\u003eReplacing corroded or damaged core plugs to maintain engine integrity\u003c\/li\u003e\n\u003cli\u003eEnsuring proper pressure containment within the engine block\u003c\/li\u003e\n\u003cli\u003eSupporting engine block maintenance and rebuilds on GM trucks and cars\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the core hole is clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to press the plug evenly into the engine block\u003c\/li\u003e\n\u003cli\u003eVerify the plug diameter matches the engine block specifications\u003c\/li\u003e\n\u003cli\u003eInspect surrounding areas for corrosion or damage during replacement\u003c\/li\u003e\n\u003cli\u003eConsult vehicle service manual for torque and installation procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 555-045 engine core plug to meet industry standards for automotive hardware and fasteners. The steel material and precise dimensions contribute to reliable performance in demanding engine environments. While specific warranty details may vary, Dorman products typically include coverage against manufacturing defects to ensure customer confidence in product quality.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44007299809461,"sku":"BKKZ-555-045","price":31.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_555045_Fro.jpg?v=1775008392","url":"https:\/\/www.partcatalog.com\/products\/dorman-555-045-engine-expansion-plug","provider":"PartCatalog","version":"1.0","type":"link"}