{"product_id":"dorman-45691-engine-crankshaft-main-bearing-cap-bolt","title":"Dorman 45691 Engine Crankshaft Main Bearing Cap Bolt","description":"\u003ch2\u003eDurable Engine Crankshaft Main Bearing Cap Bolt for Select GM Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 45691 engine crankshaft main bearing cap bolt is engineered to provide reliable fastening for your engine's main bearing caps. Designed specifically for various Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, and Saab models, this carbon steel bolt ensures secure and consistent performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-strength carbon steel for durability\u003c\/li\u003e\n\u003cli\u003eThread size of 10x1.5 for precise fitment\u003c\/li\u003e\n\u003cli\u003eLength of 5.24 inches to match OEM specifications\u003c\/li\u003e\n\u003cli\u003eFinished in black for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes one complete engine bearing bolt set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Dorman 45691 crankshaft main bearing cap bolt is designed to meet the exacting standards required for engine hardware. Its 5.24-inch length and 10x1.5 thread size make it compatible with a range of GM vehicles, including Buick Rainier, Cadillac STS, Chevrolet Trailblazer and Trailblazer EXT, GMC Canyon and Envoy series, Hummer H3 and H3T, Oldsmobile Bravada, and Saab 9-7x. The black carbon steel construction offers strength and resistance to wear, ensuring the bolt maintains proper clamping force under engine operating conditions.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSecures main bearing caps to maintain crankshaft alignment\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged bearing cap bolts to prevent engine vibration\u003c\/li\u003e\n\u003cli\u003eAddresses issues related to engine noise caused by loose or failing bolts\u003c\/li\u003e\n\u003cli\u003ePrevents potential engine damage from improper bearing cap torque\u003c\/li\u003e\n\u003cli\u003eSupports engine rebuilds and maintenance on compatible GM models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure bolts are torqued to manufacturer specifications to avoid over-tightening\u003c\/li\u003e\n\u003cli\u003eUse proper thread lubricant or anti-seize compound as recommended\u003c\/li\u003e\n\u003cli\u003eInspect mating surfaces for cleanliness before installation\u003c\/li\u003e\n\u003cli\u003eReplace all main bearing cap bolts as a set to maintain uniform clamping force\u003c\/li\u003e\n\u003cli\u003eConsult vehicle service manual for detailed torque sequence and specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 45691 crankshaft main bearing cap bolt to meet or exceed OEM standards for material and dimensional accuracy. The carbon steel construction undergoes quality checks to ensure durability and fitment. While specific warranty details are not provided, Dorman parts typically come with a limited warranty against defects in material and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44676735959221,"sku":"BCZF-45691","price":71.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MM_45691_Fro.jpg?v=1775078817","url":"https:\/\/www.partcatalog.com\/products\/dorman-45691-engine-crankshaft-main-bearing-cap-bolt","provider":"PartCatalog","version":"1.0","type":"link"}