{"product_id":"yukon-chrysler-9-25-zf-ring-pinion-gear-set-2011-3-21-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\u003ch3\u003eWhat vehicles use the 2011+ Chrysler 9.25 ZF axle?\u003c\/h3\u003e\n\u003cp\u003eThe Chrysler 9.25 ZF rear axle is commonly found in 2011-up Ram 1500 trucks. Always verify axle identification and gear ratio before ordering, as multiple axle options were available depending on model and package.\u003c\/p\u003e\n\u003ch3\u003eIs a 3.21 gear ratio good for highway driving?\u003c\/h3\u003e\n\u003cp\u003eYes. The 3.21 ratio is one of the most fuel-efficient factory gear options available in many Ram 1500 applications. It provides lower engine RPM at highway speeds and is commonly found in daily-driven trucks focused on fuel economy and cruising comfort.\u003c\/p\u003e\n\u003ch3\u003eCan I use these gears to change from a different gear ratio?\u003c\/h3\u003e\n\u003cp\u003eYes, but changing gear ratios may require additional carrier, setup, or calibration considerations depending on your axle configuration. Verify carrier compatibility and consult your vehicle specifications before ordering.\u003c\/p\u003e\n\u003ch3\u003eDo I need a master install kit when replacing ring and pinion gears?\u003c\/h3\u003e\n\u003cp\u003eYes. New bearings, races, seals, shims, and installation hardware should be installed whenever replacing ring and pinion gears. A complete overhaul kit helps ensure proper setup and long-term reliability.\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":53987191980397,"sku":"YG C9.25-321","price":586.07,"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_70ee618a-efe1-42ce-b78e-8a94705a0f62.jpg?v=1789661398","url":"https:\/\/craneaxle.com\/products\/yukon-chrysler-9-25-zf-ring-pinion-gear-set-2011-3-21-ratio","provider":"Crane Axle","version":"1.0","type":"link"}