{"product_id":"sealed-power-7139m-engine-crankshaft-main-bearing-set","title":"Sealed Power 7139M Engine Crankshaft Main Bearing Set","description":"\u003ch2\u003eOverview of Sealed Power 7139M Main Bearing Set\u003c\/h2\u003e\u003cp\u003eThe Sealed Power 7139M engine crankshaft main bearing set is designed for reliable performance in Nissan vehicles including the 200SX, 510, 720, D21, and Pathfinder models. This full set features steel backed overplated bronze alloy bearings in a standard size to ensure proper fit and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull set package for complete main bearing replacement\u003c\/li\u003e\n\u003cli\u003eSteel backed overplated bronze alloy material for enhanced wear resistance\u003c\/li\u003e\n\u003cli\u003eStandard size bearings for precise fitment\u003c\/li\u003e\n\u003cli\u003eCompatible with Nissan 200SX, 510, 720, D21, and Pathfinder\u003c\/li\u003e\n\u003cli\u003ePart number 7139M for accurate identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Material Specifications\u003c\/h2\u003e\u003cp\u003eThe 7139M main bearing set from Sealed Power is constructed with steel backed overplated bronze alloy, a material combination that provides a balance of strength and corrosion resistance. The steel backing offers structural support while the bronze alloy surface reduces friction and wear on the crankshaft journals. These bearings are manufactured to standard size specifications, ensuring they meet OEM tolerances for Nissan engines. This makes the set suitable for engine rebuilds or repairs requiring main bearing replacement in the specified Nissan models.\u003c\/p\u003e\u003ch2\u003eCompatible Nissan Models and Applications\u003c\/h2\u003e\u003cp\u003eThis main bearing set is compatible with a range of Nissan vehicles, including the 200SX, 510, 720, D21, and Pathfinder. It is intended for use in engine rebuilds or maintenance where the crankshaft main bearings need replacement due to wear or damage. Using the correct part number 7139M ensures proper fit and function within these Nissan engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAddresses crankshaft bearing wear and scoring\u003c\/li\u003e\n\u003cli\u003eResolves engine knocking related to main bearing failure\u003c\/li\u003e\n\u003cli\u003ePrevents oil pressure loss caused by bearing clearance issues\u003c\/li\u003e\n\u003cli\u003eCorrects vibration problems linked to bearing degradation\u003c\/li\u003e\n\u003cli\u003eSupports engine longevity by maintaining proper crankshaft alignment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Sealed Power 7139M main bearing set, ensure the engine block and crankshaft journals are thoroughly cleaned and inspected for damage. Verify that the bearings are installed in the correct orientation and that clearances are checked with plastigage or a micrometer to meet Nissan specifications. Proper lubrication during installation is critical to prevent initial wear. Follow the vehicle manufacturer’s torque specifications for main bearing caps to avoid distortion.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eSealed Power manufactures the 7139M main bearing set to meet industry standards for durability and performance. The steel backed overplated bronze alloy construction undergoes quality control inspections to ensure consistency and reliability. This product is backed by Sealed Power’s warranty against manufacturing defects, providing assurance for professional engine rebuilders and technicians.\u003c\/p\u003e","brand":"Sealed Power","offers":[{"title":"Default Title","offer_id":44496001859765,"sku":"BDBR-7139M","price":70.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SE_7139M_Ang.jpg?v=1775021152","url":"https:\/\/www.partcatalog.com\/products\/sealed-power-7139m-engine-crankshaft-main-bearing-set","provider":"PartCatalog","version":"1.0","type":"link"}