{"product_id":"sealed-power-4664m-engine-crankshaft-main-bearing-set","title":"Sealed Power 4664M Engine Crankshaft Main Bearing Set","description":"\u003ch2\u003eOverview of Sealed Power 4664M Main Bearing Set\u003c\/h2\u003e\u003cp\u003eThe Sealed Power 4664M engine crankshaft main bearing set is designed as an OE replacement for Buick V8 engines with a 455 displacement. This main set is engineered to meet the specifications required for reliable engine performance in Buick models such as Century, LeSabre, Regal, Riviera, and Skylark.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOE replacement main bearing set for Buick 455 V8 engines\u003c\/li\u003e\n\u003cli\u003eConstructed from overplated copper-lead alloy for durability\u003c\/li\u003e\n\u003cli\u003eIncludes standard and undersized bearings: Std, 10, 20, 30\u003c\/li\u003e\n\u003cli\u003eCompatible with Buick models Century, LeSabre, Regal, Riviera, Skylark\u003c\/li\u003e\n\u003cli\u003ePart number 4664M ensures precise fit and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Material Composition\u003c\/h2\u003e\u003cp\u003eThe 4664M main bearing set is manufactured using an overplated copper-lead alloy, a material known for its strength and wear resistance under high load conditions. This set includes bearings in standard size as well as undersized increments of 10, 20, and 30, allowing for precise fitting during engine rebuilds or repairs. Designed specifically for Buick’s 455 cubic inch V8 engine family, this main set supports the crankshaft by reducing friction and maintaining proper alignment within the cylinder block.\u003c\/p\u003e\u003ch2\u003eCompatible Buick Models and Engine Applications\u003c\/h2\u003e\u003cp\u003eThis main bearing set is compatible with several Buick models equipped with the 455 V8 engine, including the Century, LeSabre, Regal, Riviera, and Skylark. It is intended for use as an OE replacement part, ensuring that engine rebuilds maintain factory specifications and performance standards. The part number 4664M corresponds directly to these applications, providing a reliable option for engine maintenance and overhaul.\u003c\/p\u003e\u003ch2\u003eCommon Engine Issues Addressed by This Bearing Set\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive crankshaft end play or movement\u003c\/li\u003e\n\u003cli\u003eWear or scoring on main bearing surfaces\u003c\/li\u003e\n\u003cli\u003eEngine knocking or unusual noise from main bearings\u003c\/li\u003e\n\u003cli\u003eOil pressure loss related to bearing clearance\u003c\/li\u003e\n\u003cli\u003eOverheating or premature bearing failure due to material fatigue\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Recommendations\u003c\/h2\u003e\u003cp\u003eWhen installing the Sealed Power 4664M main bearing set, ensure that the crankshaft journals are properly measured and matched to the correct bearing size (standard or undersized). Clean all components thoroughly to remove debris and old lubricant. Use proper torque specifications for main bearing caps to maintain correct bearing clearance and alignment. It is recommended to inspect the crankshaft for wear or damage before installation to ensure optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eSealed Power manufactures the 4664M main bearing set to meet OEM standards for durability and fitment. The use of overplated copper-lead alloy provides consistent wear resistance and longevity. While specific warranty details are not provided here, Sealed Power products typically come with manufacturer-backed quality assurance to support engine rebuild reliability.\u003c\/p\u003e","brand":"Sealed Power","offers":[{"title":"Default Title","offer_id":51944048492725,"sku":"BDBR-4664M","price":161.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SE_4664M_Ang.jpg?v=1775021138","url":"https:\/\/www.partcatalog.com\/products\/sealed-power-4664m-engine-crankshaft-main-bearing-set","provider":"PartCatalog","version":"1.0","type":"link"}