{"product_id":"yukon-zip-locker-for-dana-44-with-30-spline-axles-3-92-up","title":"Yukon Zip Locker for Dana 44 with 30 spline axles, 3.92 \u0026 up","description":"\u003cp data-start=\"0\" data-end=\"23\"\u003e\u003cstrong data-start=\"0\" data-end=\"23\"\u003eYukon Gear and Axle\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4 data-start=\"25\" data-end=\"105\"\u003eYukon ZIP Locker for Dana 44 Axles with 30-Spline Shafts, 3.92 Ratio and Up\u003c\/h4\u003e\n\u003cp data-start=\"107\" data-end=\"525\"\u003eThe Yukon ZIP Locker is a selectable, air-operated locking differential designed to provide on-demand traction for Dana 44 axle applications equipped with 30-spline shafts and gear ratios of 3.92 and numerically higher. When disengaged, the differential operates like an open unit for smooth street manners. When engaged, it delivers a full mechanical lock for maximum traction in off-road and low-traction conditions.\u003c\/p\u003e\n\u003cp data-start=\"527\" data-end=\"868\"\u003eBuilt from high-strength materials and engineered for durability, the ZIP Locker is ideal for trail rigs, rock crawlers, and mixed-use vehicles that require controlled traction without sacrificing drivability. Its selectable design allows the driver to engage the locker only when needed, making it a versatile upgrade for demanding terrain.\u003c\/p\u003e\n\u003cp data-start=\"870\" data-end=\"890\"\u003e\u003cstrong data-start=\"870\" data-end=\"890\"\u003eImportant Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"891\" data-end=\"981\"\u003e\n\u003cli data-start=\"891\" data-end=\"939\"\u003e\n\u003cp data-start=\"893\" data-end=\"939\"\u003eRequires an onboard air system for operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"940\" data-end=\"981\"\u003e\n\u003cp data-start=\"942\" data-end=\"981\"\u003eProfessional installation recommended\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"983\" data-end=\"1000\"\u003e\u003cstrong data-start=\"983\" data-end=\"1000\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1001\" data-end=\"1395\"\u003e\n\u003cli data-start=\"1001\" data-end=\"1049\"\u003e\n\u003cp data-start=\"1003\" data-end=\"1049\"\u003eSelectable air-operated locking differential\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1050\" data-end=\"1102\"\u003e\n\u003cp data-start=\"1052\" data-end=\"1102\"\u003eDesigned for Dana 44 axles with 30-spline shafts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1103\" data-end=\"1165\"\u003e\n\u003cp data-start=\"1105\" data-end=\"1165\"\u003eCompatible with gear ratios of 3.92 and numerically higher\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1166\" data-end=\"1213\"\u003e\n\u003cp data-start=\"1168\" data-end=\"1213\"\u003eOpen differential operation when disengaged\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1214\" data-end=\"1272\"\u003e\n\u003cp data-start=\"1216\" data-end=\"1272\"\u003eFull mechanical lock when engaged for maximum traction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1273\" data-end=\"1337\"\u003e\n\u003cp data-start=\"1275\" data-end=\"1337\"\u003eBuilt for strength, durability, and severe-duty off-road use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1338\" data-end=\"1395\"\u003e\n\u003cp data-start=\"1340\" data-end=\"1395\"\u003eIdeal for trail, rock crawling, and technical terrain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1397\" data-end=\"1417\"\u003e\u003cstrong data-start=\"1397\" data-end=\"1417\"\u003eVehicle Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1418\" data-end=\"1513\"\u003e\n\u003cli data-start=\"1418\" data-end=\"1469\"\u003e\n\u003cp data-start=\"1420\" data-end=\"1469\"\u003eDana 44 axle applications with 30-spline shafts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1470\" data-end=\"1513\"\u003e\n\u003cp data-start=\"1472\" data-end=\"1513\"\u003eGear ratios 3.92 and numerically higher\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1515\" data-end=\"1527\"\u003e\u003cstrong data-start=\"1515\" data-end=\"1523\"\u003eSKU:\u003c\/strong\u003e YZLD44-4-30\u003c\/p\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":44055945838634,"sku":"YZLD44-4-30","price":1369.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/files\/d772c1caa939599a6ed09fcd0bc04c69_3ae3b9d0-f901-41dd-adcc-3a427f41dfe9.webp?v=1770315427","url":"https:\/\/fassmotorsports.com\/products\/yukon-zip-locker-for-dana-44-with-30-spline-axles-3-92-up","provider":"FASS Motorsports","version":"1.0","type":"link"}