{"product_id":"aam-40009354-premium-ring-pinion-set-10-5-4-56-ratio-rear","title":"AAM 40009354 Premium Ring \u0026 Pinion Set 10.5\" 4.56 Ratio Rear","description":"\u003cp\u003eKeep your Ram or Dodge 2500's rear axle running true with the American Axle \u0026amp; Manufacturing 40009354 ring and pinion set. Engineered as a premium replacement for the 10.5-inch, 14-bolt rear axle, this new gear set delivers a 4.56 ratio with a 41-tooth ring gear and 9-tooth pinion, matched to a 30-spline pinion and 12-bolt ring gear pattern. Sourced directly from American Axle \u0026amp; Manufacturing, an OE-level driveline supplier, this set is built to restore proper gear mesh and towing performance in demanding truck applications. Covers a broad range of 2003-2013 Ram 2500 and Dodge Ram 2500 configurations, including gas V8, V10, and Cummins diesel engine options. A single-piece, ready-to-install set that simplifies your rear differential rebuild.\u003c\/p\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eRing \u0026amp; Pinion Set\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003ePremium-grade 4.56 ratio gear set restores correct rear axle gearing for towing and daily driving.\u003c\/li\u003e\n  \u003cli\u003e41x9 tooth ring and pinion combination matched for accurate, consistent gear mesh.\u003c\/li\u003e\n  \u003cli\u003e30-spline pinion and 12-bolt ring gear fit 10.5-inch, 14-bolt rear axle housings.\u003c\/li\u003e\n  \u003cli\u003eSourced from American Axle \u0026amp; Manufacturing, a recognized driveline component supplier.\u003c\/li\u003e\n  \u003cli\u003eComplete single-set packaging (qty 1) simplifies ordering for a full gear replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Summary\u003c\/h3\u003e2003-2006, 2008-2009 Dodge Ram 2500 5.7L -CC 345CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e2007 Dodge Ram 2500 5.9L -CC 359CID L6 OHV 24 Valve Turbocharged DIESEL\u003cbr\u003e2010 Dodge Ram 2500 6.7L -CC 408CID L6 OHV 24 Valve Turbocharged DIESEL\u003cbr\u003e2011-2013 Ram 2500 5.7L -CC 345CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e\n\u003cdiv class=\"-partnumber\"\u003ePart Numbers: 40009354\u003c\/div\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e American Axle \u0026amp; Manufacturing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 40009354\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Differential Ring and Pinion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGTIN:\u003c\/strong\u003e 00840382500565\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e 13.0000 x 13.0000 x 8.0000 IN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight:\u003c\/strong\u003e 26.5000 PG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1 BX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCover Bolt Quantity:\u003c\/strong\u003e 14\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGear Ratio:\u003c\/strong\u003e 4.56\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade Type:\u003c\/strong\u003e Premium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Hardware Included:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePinion Gear Tooth Quantity:\u003c\/strong\u003e 9\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty Type:\u003c\/strong\u003e Limited\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty Duration:\u003c\/strong\u003e 1 Years\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty Description:\u003c\/strong\u003e Limited, see demandaam.com\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"American Axle \u0026 Manufacturing","offers":[{"title":"Default Title","offer_id":47835727724693,"sku":"40009354","price":570.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/4266\/8181\/files\/40009354_B_watermarked.jpg?v=1787718797","url":"https:\/\/mizumoauto.com\/products\/aam-40009354-premium-ring-pinion-set-10-5-4-56-ratio-rear","provider":"Mizumo Auto","version":"1.0","type":"link"}