{"product_id":"bentley-continental-gt-gtc-flying-spur-coolant-expansion-tank-oe-3w0121403c-reservoir","title":"Bentley Continental GT GTC Flying Spur Coolant Expansion Tank – OE 3W0121403C Reservoir","description":"\u003ch2\u003eBentley Continental GT \/ GTC \/ Flying Spur Coolant Expansion Tank – 3W0121403C\u003c\/h2\u003e\n\u003cp\u003eReplace a cracked, stained or leaking coolant reservoir with a vehicle-specific expansion tank built around OE reference 3W0121403C. The molded chamber, integrated level-sensor location and factory-style hose ports are designed to maintain the cooling system’s reserve volume and pressure-management function.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBentley Continental GT \/ GTC applications using 3W0121403C\u003c\/li\u003e\n\u003cli\u003eBentley Flying Spur applications using 3W0121403C\u003c\/li\u003e\n\u003cli\u003eCommon superseding references include later 3W0121403-series tank revisions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeat-resistant molded automotive polymer\u003c\/li\u003e\n\u003cli\u003eIntegrated coolant level switch \/ sensor provision\u003c\/li\u003e\n\u003cli\u003eFactory-position hose connections\u003c\/li\u003e\n\u003cli\u003ePressure-cap filler neck\u003c\/li\u003e\n\u003cli\u003eVehicle-specific mounting tabs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eAllow the engine to cool completely before opening the cooling system. Drain coolant as required, disconnect the level-sensor wiring and hoses, remove the original tank and install the replacement in the factory mounting points. Reconnect all hoses and wiring, refill with the correct coolant mixture, bleed the system and inspect for leaks at operating temperature.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat OE number does this replace?\u003c\/strong\u003e\u003cbr\u003eThe primary reference is 3W0121403C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich Bentley models use this tank?\u003c\/strong\u003e\u003cbr\u003eIt is used on compatible Continental GT, GTC and Flying Spur cooling systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include the reservoir body shown?\u003c\/strong\u003e\u003cbr\u003eYes. The complete expansion tank assembly shown in the product images is included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould coolant be replaced during installation?\u003c\/strong\u003e\u003cbr\u003eRefill the system with the correct coolant specification after installation and bleed out trapped air.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering?\u003c\/strong\u003e\u003cbr\u003eMatch the original tank reference, hose-port layout and mounting tabs to 3W0121403C.\u003c\/p\u003e","brand":"ORIVOAUTO","offers":[{"title":"Coolant Expansion Tank Assembly","offer_id":45635694067735,"sku":"ORV-BEN-3W0121403C","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/1659\/3175\/files\/bentley-coolant-expansion-tank-3w0121403c-1.jpg?v=1790418903","url":"https:\/\/orivoauto.com\/products\/bentley-continental-gt-gtc-flying-spur-coolant-expansion-tank-oe-3w0121403c-reservoir","provider":"ORIVOAUTO","version":"1.0","type":"link"}