{"product_id":"yukon-grizzly-locker-jeep-jk-dana-44-30-spline-non-rubicon","title":"Yukon Jeep JK Dana 44 Grizzly Locker - Non-Rubicon, 30-Spline","description":"\u003cp data-end=\"625\" data-start=\"79\"\u003eBuilt specifically for non-Rubicon Jeep JK rear Dana 44 axles, this 30 spline Grizzly Locker is a major upgrade for rigs that need real traction off-road. Whether you're running larger tires, tackling technical trails, or pushing your JK beyond factory limits, this mechanical locker delivers true lockup—sending 100% of available torque to both axle shafts under load. It’s a proven solution for JK builds that have outgrown factory differentials and need consistent performance in rocks, mud, and loose terrain.\u003c\/p\u003e\n\u003cp data-end=\"1028\" data-start=\"627\"\u003eInternally, this unit is engineered to handle shock loads and aggressive trail use. The patented design features larger engagement teeth and improved gear geometry, increasing strength and reducing common failure points. Built with 8620 steel internals and assembled in the USA, this locker is designed for long-term durability while still allowing disengagement during turns for improved drivability.\u003c\/p\u003e\n\u003cp data-end=\"1041\" data-start=\"1030\"\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1183\" data-start=\"1042\"\u003e\n\u003cli data-end=\"1093\" data-start=\"1042\" data-section-id=\"kusyba\"\u003e(1) Mechanical locking differential (30 spline)\u003c\/li\u003e\n\u003cli data-end=\"1131\" data-start=\"1094\" data-section-id=\"h8cc4w\"\u003eFully assembled internal gear set\u003c\/li\u003e\n\u003cli data-end=\"1183\" data-start=\"1132\" data-section-id=\"1mrxtu3\"\u003eInstallation-ready unit for JK Dana 44 carriers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eSpecifications \u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n          \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1ohd3c9\" data-start=\"1202\" data-end=\"1248\"\u003eFits Jeep JK non-Rubicon Dana 44 rear axle\u003c\/li\u003e\n\u003cli data-section-id=\"nonbbs\" data-start=\"1249\" data-end=\"1281\"\u003e30-spline axle compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"1ukngz8\" data-start=\"1282\" data-end=\"1327\"\u003eAutomatic mechanical locking differential\u003c\/li\u003e\n\u003cli data-section-id=\"5zx975\" data-start=\"1328\" data-end=\"1363\"\u003e100% torque transfer under load\u003c\/li\u003e\n\u003cli data-section-id=\"h4xyyc\" data-start=\"1364\" data-end=\"1398\"\u003e8620 steel internal components\u003c\/li\u003e\n\u003cli data-section-id=\"1oi18hw\" data-start=\"1399\" data-end=\"1461\"\u003ePatented gear design for increased strength and durability\u003c\/li\u003e\n\u003cli data-section-id=\"pkd3uc\" data-start=\"1462\" data-end=\"1521\"\u003eLarger internal teeth to resist shock load and breakage\u003c\/li\u003e\n\u003cli data-section-id=\"4dfvvb\" data-start=\"1522\" data-end=\"1546\"\u003eAssembled in the USA\u003c\/li\u003e\n\u003cli data-section-id=\"1cotz73\" data-start=\"1547\" data-end=\"1576\"\u003eRing Gear Bolt Size: 1\/2\"\u003c\/li\u003e\n\u003cli data-section-id=\"1djdqnt\" data-start=\"1577\" data-end=\"1609\"\u003eDifferential Cover Bolts: 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cstrong\u003eFitment \u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n          \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli\u003eRequires 30-spline axle shafts\u003c\/li\u003e\n\u003cli\u003e2012+ models with stability control may require aftermarket ECU tuning to prevent codes or limp mode\u003c\/li\u003e\n\u003cli data-section-id=\"19pndcl\" data-start=\"1871\" data-end=\"1940\"\u003eVerify axle configuration and ring gear bolt size before purchase\u003cbr\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eAxle\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eJeep\u003c\/td\u003e\n\u003ctd\u003eWrangler JK Non-Rubicon\u003c\/td\u003e\n\u003ctd\u003e2007–2017\u003c\/td\u003e\n\u003ctd\u003eDana 44 Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cb id=\"docs-internal-guid-785e0e5c-7fff-2ba3-1543-a8eda468b24e\"\u003e\u003cspan\u003eTech Insight\u003c\/span\u003e\u003c\/b\u003e \u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n          \u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n          \u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\n        \u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp data-start=\"1984\" data-end=\"2262\"\u003eThe factory JK Dana 44 rear axle is capable, but traction becomes a limiting factor as tire size and terrain difficulty increase. A mechanical locker like the Grizzly ensures both wheels receive equal torque under load, dramatically improving off-road capability.\u003c\/p\u003e\n\u003cp data-start=\"2264\" data-end=\"2493\"\u003eOn 2012+ JKs equipped with stability control systems, installing a mechanical locker can trigger fault codes or limp mode. Proper ECU tuning or system recalibration is often required to ensure normal operation after installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":53285016699245,"sku":"YUKYGLD44-3-30-JK","price":927.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/1145\/3037\/files\/YGLD44-3-30-JK-jeep-jk-grizzly-locker-dana44.jpg?v=1777900248","url":"https:\/\/craneaxle.com\/products\/yukon-grizzly-locker-jeep-jk-dana-44-30-spline-non-rubicon","provider":"Crane Axle","version":"1.0","type":"link"}