{"product_id":"dorman-946-066-drive-shaft","title":"Dorman 946-066 Drive Shaft - Rear","description":"\u003ch2\u003eOverview of Dorman 946-066 Drive Shaft for Chevrolet and GMC\u003c\/h2\u003e\u003cp\u003eThe Dorman 946-066 drive shaft is engineered for reliable driveline performance in heavy-duty trucks. Designed specifically for Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD models, this aluminum drive shaft offers a precise fit and durable construction to maintain drivetrain efficiency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from lightweight aluminum for strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eRegular grade type ensuring dependable performance under standard operating conditions\u003c\/li\u003e\n\u003cli\u003eShaft diameter of 5.73 inches for optimal torque transfer\u003c\/li\u003e\n\u003cli\u003eOverall length of 88.26 inches tailored for rear driveshaft applications\u003c\/li\u003e\n\u003cli\u003eWall thickness of 0.083 inches balancing durability and weight\u003c\/li\u003e\n\u003cli\u003eNon-greaseable design reducing maintenance requirements\u003c\/li\u003e\n\u003cli\u003eIncludes one rear driveshaft per package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 946-066 drive shaft is manufactured with an aluminum shaft material that provides a balance of strength and reduced weight, which is critical for maintaining driveline efficiency in heavy-duty trucks like the Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD. The 5.73-inch shaft diameter and 0.083-inch wall thickness are engineered to handle the torque demands of these vehicles without compromising durability. This drive shaft measures 88.26 inches in length, designed specifically as a rear driveshaft replacement, ensuring proper fitment and alignment. The regular grade type indicates it meets standard performance requirements for driveline components. Additionally, this drive shaft is not greaseable and does not feature overall length adjustability, which simplifies installation and maintenance.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis drive shaft is compatible with the following models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Silverado 2500 HD (rear driveshaft)\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500 HD (rear driveshaft)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is intended for use as a direct replacement part to restore driveline function and address common issues related to worn or damaged drive shafts.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by Dorman 946-066 Drive Shaft\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVibration or shuddering during acceleration or cruising\u003c\/li\u003e\n\u003cli\u003eClunking noises from the driveline under load\u003c\/li\u003e\n\u003cli\u003eWorn or damaged shaft causing driveline imbalance\u003c\/li\u003e\n\u003cli\u003eCorrosion or material fatigue in original drive shaft\u003c\/li\u003e\n\u003cli\u003eFailure of the rear driveshaft affecting vehicle drivability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle is securely lifted and supported before removal\u003c\/li\u003e\n\u003cli\u003eVerify the part number 946-066 matches the original drive shaft specifications\u003c\/li\u003e\n\u003cli\u003eCheck for proper alignment and torque specifications during installation\u003c\/li\u003e\n\u003cli\u003eSince this drive shaft is non-greaseable, no additional lubrication is required\u003c\/li\u003e\n\u003cli\u003eInspect related driveline components such as U-joints for wear during replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 946-066 drive shaft undergoes rigorous quality control to ensure durability and performance in demanding conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in the product's reliability.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44340544209077,"sku":"BKKY-946-066","price":704.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_946066_Ang.jpg?v=1775013207","url":"https:\/\/www.partcatalog.com\/products\/dorman-946-066-drive-shaft","provider":"PartCatalog","version":"1.0","type":"link"}