{"product_id":"rjsphh-4wd-auto-locking-hub-for-ford-super-duty-full-size-suvs-2pcs-direct-fit-restores-4wd-engagement","title":"RJSPHH 4WD Auto Locking Hub for Ford Super Duty \u0026 Full-Size SUVs — 2PCS Direct-Fit, Restores 4WD Engagement","description":"\u003cp\u003e\u003cstrong\u003eRJSPHH 4WD auto locking hub replacement restores front-wheel engagement for compatible Ford and Lincoln 4WD trucks and SUVs so your drivetrain operates as intended.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Super Duty or full-size SUV has a non-engaging hub, this RJSPHH replacement unit is designed as a direct-fit swap for the common OE part numbers 1C3Z-3B396-CB and 600-203. It’s manufactured to match the original mounting and functional dimensions so installation is straightforward for a mechanic or experienced DIYer. Typical causes of hub failure include corrosion, debris, or internal wear that prevents the locking mechanism from sliding into place.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this hub fix my vehicle’s 4WD engagement problems?\u003c\/h3\u003e\n\u003cp\u003eWhen an automatic locking hub won’t engage, the internal sliding components are usually blocked or worn. Replacing the faulty hub with a new RJSPHH unit restores the mechanical movement required for the hub to lock and unlock with the axle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit replacement for OE 1C3Z-3B396-CB and 600-203 to match original specifications\u003c\/li\u003e\n  \u003cli\u003eReplaces corroded or seized components that prevent engagement\u003c\/li\u003e\n  \u003cli\u003eRestores ability to switch between 2WD and 4WD properly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat models and years does this hub fit?\u003c\/h3\u003e\n\u003cp\u003eThis replacement is specified for late‑1990s through mid‑2000s Ford Super Duty trucks and full‑size SUVs, as well as Lincoln Navigator models listed. Confirming fit by VIN or existing OE number avoids installation errors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFord F250, F350, F450, F550 4WD — 1999–2004\u003c\/li\u003e\n  \u003cli\u003eFord Excursion 4WD — 2000–2005\u003c\/li\u003e\n  \u003cli\u003eFord Expedition 4WD — 2001–2002\u003c\/li\u003e\n  \u003cli\u003eLincoln Navigator 4WD — 2001–2002\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the signs that indicate the hub needs replacing?\u003c\/h3\u003e\n\u003cp\u003eFailed locking hubs often show subtle symptoms before a complete loss of 4WD. Replacing the hub early can prevent further drivetrain stress and abnormal tire wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFront wheels do not lock into 4WD when engaged\u003c\/li\u003e\n  \u003cli\u003eHigher fuel consumption and increased engine load on highways\u003c\/li\u003e\n  \u003cli\u003eUnusual road or drivetrain noises and accelerated front tire wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and service life?\u003c\/h3\u003e\n\u003cp\u003eThe RJSPHH hub is built to install in the same mounting pattern as the original unit, and it functions like a factory part. Service life depends on driving conditions and exposure to contaminants; cleaning and inspection during routine maintenance help longevity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShips as a pair (2PCS) for axle consistency and matched wear\u003c\/li\u003e\n  \u003cli\u003eInstall requires basic mechanical tools and wheel\/axle access\u003c\/li\u003e\n  \u003cli\u003eOne-year warranty from RJSPHH with 24-hour customer response for issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This hub replacement is aimed at owners and technicians of Ford Super Duty trucks and full-size Ford\/Lincoln SUVs from the listed years who need a reliable, OE-form-fit replacement for failed automatic locking hubs. It’s appropriate for mechanics performing front-axle repairs, fleet managers seeking dependable spares, and DIY enthusiasts comfortable with wheel and axle work who want to restore proper 4WD operation without sourcing rare OEM parts.\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: Does this hub come as a single unit or a set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This product ships as a pair (2PCS) to ensure matched hub operation across the axle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this a direct replacement for OE 1C3Z-3B396-CB?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it replaces OE part numbers 1C3Z-3B396-CB and 600-203 for the listed Ford and Lincoln models.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RJSPHH","offers":[{"title":"Default Title","offer_id":48084069023902,"sku":"B09VGD3FTC","price":79.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/rjsphh-front-packaging-replacement-hub.jpg?v=1785845355","url":"https:\/\/northtrailauto.ca\/products\/rjsphh-4wd-auto-locking-hub-for-ford-super-duty-full-size-suvs-2pcs-direct-fit-restores-4wd-engagement","provider":"North Trail Auto","version":"1.0","type":"link"}