{"product_id":"yukon-ring-pinion-set-2011-up-chrysler-9-25-zf-3-21-ratio","title":"Yukon Chrysler 9.25\" ZF Ring \u0026 Pinion Gear Set – 2011+, 3.21 Ratio","description":"\u003cp\u003eUpgrade your drivetrain with the Yukon Ring \u0026amp; Pinion Gear Set for 2011-Up Chrysler 9.25\" ZF differentials in a 3.21 ratio. Yukon produces ring and pinion sets engineered to meet exacting structural and surface finish standards and the result is smooth engagement, reduced friction, lower operating temperatures, and quiet operation.\u003c\/p\u003e\n\u003cp\u003eThe 3.21 ratio is a strong choice for highway-focused applications, factory replacement needs, and builds seeking lower cruising RPM with balanced everyday drivability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRing gear \u003cmeta charset=\"utf-8\"\u003efor 2011-Up Chrysler 9.25\" ZF differentials\u003c\/li\u003e\n\u003cli\u003eMatching pinion gear\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eInstallation kit, bearings, shims, and carrier components sold separately unless noted.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eSold as a matched gear set\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\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\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Yukon Gear \u0026amp; Axle\u003c\/li\u003e\n\u003cli\u003ePart Number: YG C9.25B-321B\u003c\/li\u003e\n\u003cli\u003eProduct Type: Ring \u0026amp; pinion gear set\u003c\/li\u003e\n\u003cli\u003eApplication: Chrysler 9.25\" ZF differential\u003c\/li\u003e\n\u003cli\u003eModel Years: 2011 and newer\u003c\/li\u003e\n\u003cli\u003eGear Ratio: 3.21\u003c\/li\u003e\n\u003cli\u003eSpline Count: 29\u003c\/li\u003e\n\u003cli\u003eConstruction: Heat-treated high-strength gear steel\u003c\/li\u003e\n\u003cli\u003eQuantity: Sold as a matched set\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 class=\"details__header\"\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\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli\u003eFits 2011-up Chrysler 9.25\" ZF axle assemblies\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVerify axle tag, differential model, and OEM ratio before ordering.\u003c\/li\u003e\n\u003c\/ul\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\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRam\u003c\/td\u003e\n\u003ctd\u003e1500\u003c\/td\u003e\n\u003ctd\u003e2011–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eTech Insight\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\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003eThe 3.21 ratio is often selected for highway efficiency and lower engine RPM at cruising speeds. It can also be an excellent factory replacement ratio when restoring drivability after differential damage.\u003c\/p\u003e\n\u003cp\u003eModern axle platforms such as the Chrysler 9.25 ZF require precise setup procedures. Proper backlash, pinion preload, and tooth pattern are essential for quiet operation and long gear life.\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":53285016437101,"sku":"YUKYG C9.25B-321B","price":447.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/1145\/3037\/files\/YGC9.25B-321B-Yukon-Ring-Pinion-Chrysler-9.25ZF-3.21-1.jpg?v=1777900247","url":"https:\/\/craneaxle.com\/products\/yukon-ring-pinion-set-2011-up-chrysler-9-25-zf-3-21-ratio","provider":"Crane Axle","version":"1.0","type":"link"}