{"product_id":"aam-ar3z4215a-8-8-31-spline-diff-spider-pinion-gear-kit-ls","title":"AAM AR3Z4215A 8.8\" 31-Spline Diff Spider \u0026 Pinion Gear Kit LS","description":"\u003cp\u003eKeep your 8.8-inch limited-slip differential turning smoothly with the American Axle \u0026amp; Manufacturing AR3Z4215A spider and pinion gear kit, built for 31-spline applications across a wide range of Ford, Lincoln, and Mercury vehicles from 1991 through 2013. This premium-grade kit is designed as a direct fit for popular platforms including the F-150, F-150 Heritage, Crown Victoria, Explorer, Expedition, Mustang, Grand Marquis, and Mark LT, among others, giving shop owners and DIY installers confidence when replacing worn internal differential components. As a new, complete gear kit with one unit per application, it simplifies your parts ordering and helps restore proper power distribution through the rear axle. Backed by American Axle \u0026amp; Manufacturing's engineering experience in driveline components, this kit is a practical choice for anyone tackling an 8.8-inch LS differential rebuild.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003eRestores proper limited-slip differential operation with a complete spider and pinion gear kit.\u003c\/li\u003e\n  \u003cli\u003eDesigned for 8.8-inch 31-spline axles, matching a broad range of Ford, Lincoln, and Mercury applications.\u003c\/li\u003e\n  \u003cli\u003ePremium-grade new component helps ensure reliable rear axle power distribution after rebuild.\u003c\/li\u003e\n  \u003cli\u003eOne kit per application simplifies parts ordering for shops and DIY installers.\u003c\/li\u003e\n  \u003cli\u003eBroad model coverage from 1991-2013 fits many F-150, Mustang, and Crown Victoria variants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Summary\u003c\/h3\u003e1991-1995 Ford Explorer 4.0L -CC 245CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1996 Ford E-150 Econoline 4.9L 4917CC 300CID L6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1996 Ford E-150 Econoline Club Wagon 4.9L 4917CC 300CID L6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1996-2001 Ford Explorer 5.0L -CC 302CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1997, 1999-2002 Ford E-150 Econoline Club Wagon 4.2L -CC 256CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1997, 2000-2002 Ford E-150 Econoline 4.2L -CC 256CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1997-2000 Ford F-150 4.2L -CC 256CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1997-2001 Mercury Mountaineer 5.0L -CC 302CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1997-2003 Ford Expedition 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS\u003cbr\u003e1998 Ford E-150 Econoline 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated BI-FUEL\u003cbr\u003e1998 Ford E-150 Econoline Club Wagon 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated BI-FUEL\u003cbr\u003e1999 Ford E-150 Econoline 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS\u003cbr\u003e1999-2004 Ford Mustang 3.8L -CC 232CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e2001-2002, 2005 Ford F-150 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS\u003cbr\u003e2002, 2004 Mercury Mountaineer 4.0L -CC 245CID V6 SOHC 12 Valve Naturally Aspirated GAS\u003cbr\u003e2002, 2005 Ford Explorer 4.0L -CC 245CID V6 SOHC 12 Valve Naturally Aspirated FLEX\u003cbr\u003e2003 Ford F-150 5.4L -CC 330CID V8 SOHC 16 Valve Supercharged GAS\u003cbr\u003e2003, 2005 Mercury Mountaineer 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS\u003cbr\u003e2003-2004 Ford Explorer 4.0L -CC 245CID V6 SOHC 12 Valve Naturally Aspirated GAS\u003cbr\u003e2003-2005 Lincoln Aviator 4.6L -CC 281CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e2004 Ford Expedition 5.4L -CC 330CID V8 SOHC 16 Valve Naturally Aspirated GAS\u003cbr\u003e2004 Ford F-150 Heritage 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS\u003cbr\u003e2004, 2006-2008 Ford F-150 5.4L -CC 330CID V8 SOHC 24 Valve Naturally Aspirated GAS\u003cbr\u003e2005-2006 Ford Expedition 5.4L -CC 330CID V8 SOHC 24 Valve Naturally Aspirated GAS\u003cbr\u003e2005-2007, 2010 Ford Mustang 4.0L -CC 245CID V6 SOHC 12 Valve Naturally Aspirated GAS\u003cbr\u003e2006-2008 Lincoln Mark LT 5.4L -CC 330CID V8 SOHC 24 Valve Naturally Aspirated GAS\u003cbr\u003e2007, 2009-2011 Ford Crown Victoria 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated FLEX\u003cbr\u003e2007-2011 Mercury Grand Marquis 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated FLEX\u003cbr\u003e2008 Ford Crown Victoria 4.6L -CC 281CID V8 SOHC 16 Valve Naturally Aspirated GAS\u003cbr\u003e2008 Ford Mustang 4.6L -CC 281CID V8 SOHC 24 Valve Naturally Aspirated GAS\u003cbr\u003e2009 Ford Mustang 5.4L -CC 330CID V8 DOHC 32 Valve Supercharged GAS\u003cbr\u003e2011-2012 Ford Mustang 3.7L 3726CC 227CID V6 DOHC 24 Valve Naturally Aspirated GAS\u003cbr\u003e2013 Ford Mustang 5.0L 4951CC 302CID V8 DOHC 32 Valve Naturally Aspirated GAS\u003cbr\u003e\n\u003cdiv class=\"-partnumber\"\u003ePart Numbers: AR3Z4215A\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 AR3Z4215A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Differential Spider and Pinion Gear Kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGTIN:\u003c\/strong\u003e 00840382503726\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e 5.0000 x 5.0000 x 5.0000 IN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight:\u003c\/strong\u003e 4.4000 PG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1 EA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade Type:\u003c\/strong\u003e Premium\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 1X 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":47835856142485,"sku":"AR3Z4215A","price":211.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/4266\/8181\/files\/AR3Z4215A_B_watermarked.jpg?v=1787718927","url":"https:\/\/mizumoauto.com\/products\/aam-ar3z4215a-8-8-31-spline-diff-spider-pinion-gear-kit-ls","provider":"Mizumo Auto","version":"1.0","type":"link"}