{"product_id":"flynsu-front-differential-intermediate-shaft-kit-for-2012-2021-dodge-ram-1500-inner-shafts-seals-oem-fit","title":"Flynsu Front Differential Intermediate Shaft Kit for 2012–2021 Dodge Ram 1500 — Inner Shafts, Seals \u0026 OEM-fit","description":"\u003cp\u003e\u003cstrong\u003eFlynsu Front Differential Axle Intermediate Shaft Kit is a complete OEM-style replacement for the 215mm front axle on 2012–2021 Dodge Ram 1500 and Ram 1500 Classic.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt to restore front-drive performance and reduce vibration, this kit replaces the inner intermediate shafts and all related seals, bearings and hardware. It matches factory fitment for vehicles with 3.21, 3.55 and 3.92 rear axle ratios and is supplied with precision components engineered for long service life and reliable operation under demanding use.\u003c\/p\u003e\n\n\u003ch3\u003eWhat parts are included and why does that matter?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains both left and right inner intermediate shafts plus the full set of installation components so you don’t have to source multiple parts separately. Having every required seal, snap ring and boot ensures proper reassembly and helps prevent early failures caused by missing or mismatched parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLeft and right inner shafts (intermediate shafts)\u003c\/li\u003e\n  \u003cli\u003eBearings, axle boots, oil slinger and O-rings\u003c\/li\u003e\n  \u003cli\u003eSnap rings, drive pinion seal and output seal\u003c\/li\u003e\n  \u003cli\u003eOE-equivalent part numbers for straightforward OEM replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this kit match OEM standards and fit my Ram 1500?\u003c\/h3\u003e\n\u003cp\u003eFlynsu supplies shafts and seals that correspond to the original equipment part numbers used on these model years, simplifying compatibility checks. Precision machining and heat-treated alloy steel construction mimic factory tolerances so the components install and perform like genuine parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes OE Part# references such as 68257420AF and 68146594AB for verification\u003c\/li\u003e\n  \u003cli\u003eHeat-treated alloy shaft for strength and durability\u003c\/li\u003e\n  \u003cli\u003ePrecision machined bearings and high-temp O-rings for reliable sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat improvements should I expect after replacing the intermediate shaft?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn intermediate shafts and worn seals restores drivetrain stability, reduces front-end vibrations, and prevents fluid leaks that can damage other differential components. Results depend on the vehicle’s condition, but most owners notice smoother operation and quieter front differential behavior.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduced vibration and drivetrain noise compared to worn components\u003c\/li\u003e\n  \u003cli\u003eRestored sealing to prevent gear oil leaks and contamination\u003c\/li\u003e\n  \u003cli\u003eImproved bearing stability during higher rotation speeds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the Flynsu shaft kit and what warranty is included?\u003c\/h3\u003e\n\u003cp\u003eComponents are made from heat-treated alloy steel with bearings machined to tight tolerances and O-rings chosen for oil and heat resistance, giving the assembly a durable service life when installed and maintained correctly. Flynsu backs the kit with a 12-month warranty for added peace of mind.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-treated alloy for increased rigidity and wear resistance\u003c\/li\u003e\n  \u003cli\u003eOil- and high-temperature-resistant O-rings to maintain seals\u003c\/li\u003e\n  \u003cli\u003e12-month limited warranty from Flynsu\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Flynsu Front Differential Axle Intermediate Shaft Kit is intended for owners or technicians working on 2012–2018 Dodge Ram 1500 and 2019–2021 Ram 1500 Classic trucks with a 215mm front axle and 3.21\/3.55\/3.92 rear ratios. It suits anyone restoring factory drivability, fixing front differential leaks, or replacing worn inner shafts and related hardware. If you want a single purchase that includes the shafts plus all necessary seals, bearings and installation hardware to match OE part numbers, this kit provides a ready-to-install solution.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this kit fit my 2015 Ram 1500 with a 3.55 rear ratio?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit is designed for 2012–2018 Ram 1500 and 2019–2021 Ram 1500 Classic with a 215mm front axle and 3.21\/3.55\/3.92 ratios.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include all seals and bearings needed for installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit provides both inner shafts plus bearings, axle boots, O-rings, snap rings, oil slinger and drive\/output seals.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Flynsu","offers":[{"title":"Default Title","offer_id":48082787303582,"sku":"B09T3DYH9D","price":120.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/flynsu-front-axle-kit-front-packaging.jpg?v=1785814175","url":"https:\/\/northtrailauto.ca\/products\/flynsu-front-differential-intermediate-shaft-kit-for-2012-2021-dodge-ram-1500-inner-shafts-seals-oem-fit","provider":"North Trail Auto","version":"1.0","type":"link"}