{"product_id":"mopar-68398739aa-differential-pinion-bearing-spacer-front-inner","title":"Mopar 68398739AA Differential Pinion Bearing Spacer - Front Inner","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMopar differential pinion bearing spacer part number 68398739AA is a driveline hardware component used in the front inner differential assembly. It is listed for specific Jeep Wrangler and Jeep Gladiator applications, making it a fitment-focused replacement for the correct axle setup.\u003c\/p\u003e\u003cp\u003eCompatible With 2021 Jeep Wrangler, front inner; 2020 Jeep Gladiator, front inner; and 2020 Jeep Wrangler, front inner. Use part number 68398739AA to confirm the exact differential hardware match for your application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Mopar differential pinion bearing spacer\u003c\/li\u003e\n\u003cli\u003eDriveline and axle hardware for differential service\u003c\/li\u003e\n\u003cli\u003eApplication-specific fitment for front inner use\u003c\/li\u003e\n\u003cli\u003ePart number 68398739AA for identification and ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis differential pinion bearing spacer is a Mopar hardware component used in the pinion bearing stack within the differential assembly. It is cataloged for 2021 Jeep Wrangler front inner applications with Dana M210 Wide Front Axle, 3.73 Rear Axle Ratio, and Tru-Lok front and rear axles, plus 2020 Jeep Gladiator and 2020 Jeep Wrangler front inner applications. For buyers servicing Jeep Wrangler or Jeep Gladiator driveline components, 68398739AA provides a direct reference point for the correct axle hardware configuration.\u003c\/p\u003e\u003cp\u003eBecause differential spacer dimensions and stack-up requirements are application-specific, matching the exact part number is important during axle service. Mopar 68398739AA is identified for the listed front inner fitments and should be verified against the vehicle's axle configuration before installation.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or incorrect pinion bearing spacer\u003c\/li\u003e\n\u003cli\u003eRestoring proper differential bearing stack-up\u003c\/li\u003e\n\u003cli\u003eSupporting correct pinion assembly setup during axle service\u003c\/li\u003e\n\u003cli\u003eAddressing differential hardware mismatch in Jeep Wrangler and Jeep Gladiator applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm axle configuration, ratio, and differential setup before ordering. This part is listed for front inner applications only, so verify the vehicle's exact driveline specification and compare the existing spacer to part number 68398739AA before installation. Differential setup should follow the service procedure for the specific axle assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eAs a Mopar part, 68398739AA is cataloged to the manufacturer's application data for the listed Jeep Wrangler and Jeep Gladiator fitments.\u003c\/p\u003e","brand":"Mopar","offers":[{"title":"Default Title","offer_id":53396523253941,"sku":"BBKR-68398739AA","price":47.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MR_68398739AA_Ang.jpg?v=1790665303","url":"https:\/\/www.partcatalog.com\/products\/mopar-68398739aa-differential-pinion-bearing-spacer-front-inner","provider":"PartCatalog","version":"1.0","type":"link"}