{"product_id":"subaru-oem-2004-2021-sti-front-ring-and-pinion-gear-set-38100ab720","title":"Subaru OEM 2004 - 2021 STI Front Ring and Pinion gear set | 38100AB720","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Genuine Subaru OEM Front Ring and Pinion Gear Set (Part #38100AB720) is the factory-engineered differential gear set designed specifically for Subaru STI models from 2004 to 2021. Built to exact OEM tolerances, this gear set ensures precise power distribution to the front axle, maintaining the legendary symmetrical AWD performance that STI drivers demand. Whether you're rebuilding a front differential or replacing worn gears, this is the only part that guarantees a factory-correct fit and function.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Subaru OEM Quality\u003c\/strong\u003e — Manufactured to factory specifications, ensuring exact tolerances, gear mesh, and durability that aftermarket alternatives cannot match.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact-Fit Guarantee\u003c\/strong\u003e — Engineered specifically for STI front differentials; no modification or shimming adjustments beyond standard factory procedure required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory-Matched Gear Ratio\u003c\/strong\u003e — Maintains the OEM gear ratio critical to Subaru's Symmetrical AWD system, preventing drivetrain binding or premature wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Case-Hardened Steel\u003c\/strong\u003e — Factory-grade metallurgy provides superior strength and wear resistance under high-performance and track driving conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacked by Subaru Warranty\u003c\/strong\u003e — As a Genuine Subaru part, this gear set is covered under Subaru's OEM parts warranty when installed by an authorized dealer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Replacement\u003c\/strong\u003e — Ideal for differential rebuilds, gear wear replacement, or restoring a damaged front differential to factory condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Genuine Subaru OEM Front Ring Gear\u003c\/li\u003e\n\u003cli\u003e1x Genuine Subaru OEM Front Pinion Gear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSubaru Part Number\u003c\/th\u003e\n\u003ctd\u003e38100AB720\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePosition\u003c\/th\u003e\n\u003ctd\u003eFront Differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eSubaru STI (2004–2021)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive System\u003c\/th\u003e\n\u003ctd\u003eSymmetrical All-Wheel Drive (AWD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eRing and Pinion Gear Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM \/ Aftermarket\u003c\/th\u003e\n\u003ctd\u003eGenuine Subaru OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eSubaru OEM Parts Warranty (dealer-installed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis Genuine Subaru OEM Front Ring and Pinion Gear Set (38100AB720) is compatible with the following vehicles:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004–2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003ePlease verify your vehicle's specific year and differential assembly against the OEM parts diagram at parts.subaru.com using part number \u003cstrong\u003e38100AB720\u003c\/strong\u003e before ordering. Gear sets must match the existing differential carrier and final drive ratio of your vehicle.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eInstallation of a ring and pinion gear set requires disassembly of the front differential housing, proper measurement and adjustment of bearing preload and backlash, and reassembly to factory torque specifications. This is an advanced mechanical procedure — \u003cstrong\u003eprofessional installation by a qualified Subaru technician or experienced drivetrain specialist is strongly recommended.\u003c\/strong\u003e Improper installation can result in differential failure, drivetrain noise, or AWD system damage. Always use genuine Subaru differential fluid and gaskets upon reassembly.\u003c\/p\u003e","brand":"Subaru OEM","offers":[{"title":"Default Title","offer_id":43151696658528,"sku":"sub38100AB720","price":678.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1398\/9853\/files\/Subaru-OEM-2004-2021-STI-Front-Ring-and-Pinion-gear-set-38100AB720.jpg?v=1791485847","url":"https:\/\/www.importimageracing.com\/products\/subaru-oem-2004-2021-sti-front-ring-and-pinion-gear-set-38100ab720","provider":"Import Image Racing","version":"1.0","type":"link"}