{"product_id":"aam-115373gsk-3-73-ratio-ring-pinion-kit-ram-11-5-rear-axle","title":"AAM 115373GSK 3.73 Ratio Ring \u0026 Pinion Kit, Ram 11.5\" Rear Axle","description":"\u003cp\u003eRebuilding or re-gearing your Ram 2500 or 3500's 11.5\" rear axle? The American Axle \u0026amp; Manufacturing 115373GSK delivers a complete 3.73 ratio ring and pinion set engineered specifically for the 11.5-inch 14-bolt rear axle found on 2019-2024 Ram 2500 and 3500 trucks equipped with the 6.4L V8 or 6.7L Cummins diesel. This premium-grade kit pairs a 41-tooth ring gear with an 11-tooth, 32-spline pinion, and comes packaged with the crush collar, pinion seal, and pinion nut needed to complete the install without hunting down separate small parts. As a direct-fit gear set for this specific axle and ratio, it's built to restore proper drivetrain geometry and gear mesh after wear, an axle swap, or a ratio change. Backed by AAM's stated limited warranty, this kit gives Ram truck owners a straightforward path to a properly matched rear differential setup.\u003c\/p\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003e3.73 Ratio Gear Kit, 19-24 Ram 2500 and 3500 with 11.5 Inch Axle. Includes crush collar, pinion seal and nut.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003eIncludes crush collar, pinion seal, and nut so you're not sourcing extra install parts separately\u003c\/li\u003e\n  \u003cli\u003e3.73 ratio matches OE-style gearing for 2019-2024 Ram 2500\/3500 11.5\" rear axles\u003c\/li\u003e\n  \u003cli\u003e41-tooth ring gear and 11-tooth, 32-spline pinion sized for correct gear mesh and fitment\u003c\/li\u003e\n  \u003cli\u003ePremium-grade construction intended for durable, long-term rear axle service\u003c\/li\u003e\n  \u003cli\u003eSingle-box packaging simplifies ordering one complete gear set per axle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Summary\u003c\/h3\u003e2019 Ram 2500 6.7L -CC 408CID L6 OHV 24 Valve Turbocharged DIESEL\u003cbr\u003e2019 Ram 3500 6.7L -CC 408CID L6 OHV 24 Valve Turbocharged DIESEL\u003cbr\u003e2020-2024 Ram 2500 6.4L 6424CC 392CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e2020-2024 Ram 3500 6.4L 6424CC 392CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e\n\u003cdiv class=\"-partnumber\"\u003ePart Numbers: 115373GSK\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 115373GSK\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 00840382500428\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 36.8500 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 3.73\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade Type:\u003c\/strong\u003e Premium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePinion Gear Tooth Quantity:\u003c\/strong\u003e 11\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":47835678376085,"sku":"115373GSK","price":637.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/4266\/8181\/files\/115373GSK_B.jpg?v=1787718756","url":"https:\/\/mizumoauto.com\/products\/aam-115373gsk-3-73-ratio-ring-pinion-kit-ram-11-5-rear-axle","provider":"Mizumo Auto","version":"1.0","type":"link"}