{"product_id":"sealed-power-7421m-engine-crankshaft-main-bearing-set","title":"Sealed Power 7421M Engine Crankshaft Main Bearing Set","description":"\u003ch2\u003eOverview of Sealed Power Engine Crankshaft Main Bearing Set 7421M\u003c\/h2\u003e\u003cp\u003eThe Sealed Power 7421M engine crankshaft main bearing set is designed for reliable performance in a range of GM and Saab vehicles. Engineered with steel backed overplated bronze alloy, this standard size full set provides durable support for crankshaft operation in models like the Chevrolet Malibu, Buick LaCrosse, and Saab 9-3.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull set of main bearings for complete crankshaft support\u003c\/li\u003e\n\u003cli\u003eConstructed from steel backed overplated bronze alloy for strength and wear resistance\u003c\/li\u003e\n\u003cli\u003eStandard size bearings ensuring precise fitment and performance\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple makes including Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Saab, and Saturn\u003c\/li\u003e\n\u003cli\u003ePart number 7421M for accurate identification and replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Sealed Power 7421M main bearing set is manufactured using a steel backed overplated bronze alloy, providing a balance of durability and smooth operation. This material combination helps reduce friction and wear on the crankshaft journals, contributing to engine longevity. The bearings are standard size, ensuring they meet OEM specifications for proper clearance and fit. This set is intended for use in various GM and Saab vehicles, including the Chevrolet Impala, Pontiac G6, Buick Regal, and Saab 9-5, among others. The full set package allows for comprehensive crankshaft bearing replacement during engine rebuilds or repairs.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick LaCrosse, Regal, Verano\u003c\/li\u003e\n\u003cli\u003eChevrolet Malibu, Impala, Cobalt, Equinox\u003c\/li\u003e\n\u003cli\u003eGMC Terrain\u003c\/li\u003e\n\u003cli\u003eOldsmobile Alero, Aurora\u003c\/li\u003e\n\u003cli\u003ePontiac G6, Grand Am, Sunfire, Solstice\u003c\/li\u003e\n\u003cli\u003eSaab 9-3, 9-3X, 9-5\u003c\/li\u003e\n\u003cli\u003eSaturn Aura, Vue\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Bearing Set\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive crankshaft end play or movement\u003c\/li\u003e\n\u003cli\u003eEngine knocking caused by worn main bearings\u003c\/li\u003e\n\u003cli\u003eOil pressure loss due to bearing clearance wear\u003c\/li\u003e\n\u003cli\u003eMetal-to-metal contact leading to crankshaft damage\u003c\/li\u003e\n\u003cli\u003eNoise and vibration from bearing failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the crankshaft journals are clean and free of debris before installation. Verify bearing clearances with plastigage or a micrometer to confirm proper fit. Replace all bearings in the set to maintain uniform wear and performance. Follow manufacturer torque specifications for main bearing caps to avoid distortion or premature wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eSealed Power manufactures this main bearing set to meet or exceed OEM standards for durability and performance. The steel backed overplated bronze alloy construction is tested for wear resistance and dimensional accuracy. While specific warranty details are not provided, Sealed Power products typically come with a limited warranty against manufacturing defects.\u003c\/p\u003e","brand":"Sealed Power","offers":[{"title":"Default Title","offer_id":51944048722101,"sku":"BDBR-7421M","price":393.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SE_7421M_Ang.jpg?v=1775021161","url":"https:\/\/www.partcatalog.com\/products\/sealed-power-7421m-engine-crankshaft-main-bearing-set","provider":"PartCatalog","version":"1.0","type":"link"}