{"product_id":"dorman-938-521-drive-shaft","title":"Dorman 938-521 Drive Shaft - Front","description":"\u003ch2\u003eReliable Drive Shaft for Infiniti QX56\u003c\/h2\u003e\u003cp\u003eThe Dorman 938-521 drive shaft is engineered to provide dependable driveline performance for your Infiniti QX56. Designed with precision and durability in mind, this steel drive shaft offers adjustable length to ensure a proper fit and smooth operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable steel shaft material\u003c\/li\u003e\n\u003cli\u003eRegular grade type for standard driveline applications\u003c\/li\u003e\n\u003cli\u003e2.5-inch shaft diameter for strength and stability\u003c\/li\u003e\n\u003cli\u003e31.875-inch drive shaft length with adjustable overall length\u003c\/li\u003e\n\u003cli\u003e0.083-inch wall thickness for balanced weight and durability\u003c\/li\u003e\n\u003cli\u003eNon-greaseable design for low maintenance\u003c\/li\u003e\n\u003cli\u003eIncludes one complete drive shaft unit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Drive Shaft Specifications\u003c\/h2\u003e\u003cp\u003eThis Dorman drive shaft (part number 938-521) is specifically designed for the Infiniti QX56, ensuring compatibility and reliable performance. The steel shaft material provides the necessary strength to handle torque and rotational forces, while the 2.5-inch diameter and 0.083-inch wall thickness balance durability with weight considerations. The adjustable overall length feature allows for precise installation, accommodating slight variations in vehicle setup or replacement needs. Although this drive shaft is not greaseable, its design minimizes maintenance requirements without compromising functionality.\u003c\/p\u003e\u003ch2\u003eCompatible Applications and Common Issues Addressed\u003c\/h2\u003e\u003cp\u003eThis drive shaft is compatible with Infiniti QX56 models requiring a 31.875-inch length shaft. It is intended to replace worn or damaged drive shafts that may cause:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVibrations or shuddering during acceleration\u003c\/li\u003e\n\u003cli\u003eUnusual noises from the driveline area\u003c\/li\u003e\n\u003cli\u003eDifficulty in power transfer to the wheels\u003c\/li\u003e\n\u003cli\u003eExcessive wear on related driveline components\u003c\/li\u003e\n\u003cli\u003eImbalanced or bent shaft affecting vehicle handling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 938-521 drive shaft on your Infiniti QX56, ensure the adjustable length is set correctly to match the original shaft dimensions. Use proper torque specifications on all fasteners and inspect related components such as U-joints and center bearings for wear. Since this drive shaft is non-greaseable, verify that seals and joints are intact to prevent premature failure.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures this drive shaft to meet or exceed OEM standards for fit, form, and function. The 938-521 part number undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44340500955317,"sku":"BKKY-938-521","price":521.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_938521_Fro.jpg?v=1775013184","url":"https:\/\/www.partcatalog.com\/products\/dorman-938-521-drive-shaft","provider":"PartCatalog","version":"1.0","type":"link"}