{"product_id":"febi-40722-radiator-cap","title":"Febi 40722 Radiator Cap","description":"\u003ch2\u003eFebi 40722 Radiator Cap Overview\u003c\/h2\u003e\u003cp\u003eThe Febi 40722 radiator cap is a blue coolant expansion bottle cap built for vehicles that require a 1.5 bar opening pressure. With an 87.0 mm outside diameter and 32.0 mm filler neck height, it is specified for a range of Volkswagen, Audi, and Porsche applications where correct sealing and pressure control are critical to cooling system performance.\u003c\/p\u003e\u003cp\u003eFebi 40722 is a direct-fit cooling system cap for selected Volkswagen Crafter Van, Audi A6, and Porsche Cayenne applications, along with many other VW Group models listed below. The part number 40722 is also referenced by OE-style cross numbers for matching applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRadiator cap \/ coolant expansion bottle cap for VW Group applications\u003c\/li\u003e\n\u003cli\u003eOpening pressure: 1.5 bar\u003c\/li\u003e\n\u003cli\u003eBlue cap finish for easy identification\u003c\/li\u003e\n\u003cli\u003eFiller neck height: 32.0 mm\u003c\/li\u003e\n\u003cli\u003eFiller neck outside diameter: 87.0 mm\u003c\/li\u003e\n\u003cli\u003eFebi part number: 40722\u003c\/li\u003e\n\u003cli\u003eThis part cross-references 3B0 121 321 and 958 106 447 00 for the same application.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eFebi 40722 is engineered for coolant expansion bottle use, helping maintain the specified pressure level in the cooling system. That pressure control supports proper coolant circulation and helps the system retain the correct operating characteristics across a wide range of Volkswagen, Audi, and Porsche vehicles. If you are replacing a worn or leaking cap on a Volkswagen Golf, Audi A4, or Porsche Macan, this cap is built to match the listed neck dimensions and pressure rating.\u003c\/p\u003e\u003cp\u003eCompatible vehicle coverage includes Fits 2008-2023 Volkswagen Crafter Van, N\/A; Fits 2016-2018 Audi A6, N\/A; Fits 2011-2019 Porsche Cayenne, N\/A; Fits 2015-2018 Porsche Macan, N\/A; and Fits 2014-2020 Volkswagen Caddy, N\/A. Additional listed applications include Audi A3, A4, A5, A6 Quattro, Q5, SQ5, S4, S6, S7, TT, and Volkswagen Beetle, Golf, Jetta, Passat, Touareg, and GTI variants across the model years shown in the fitment data.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Solve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant loss from a cap that no longer seals properly\u003c\/li\u003e\n\u003cli\u003eIncorrect cooling system pressure from a weak or damaged cap\u003c\/li\u003e\n\u003cli\u003eCoolant overflow or venting caused by a worn pressure valve\u003c\/li\u003e\n\u003cli\u003eWarning signs related to cooling system cap failure on VW, Audi, and Porsche models\u003c\/li\u003e\n\u003cli\u003eReplacement needs after service on the coolant expansion bottle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the filler neck dimensions, 32.0 mm height and 87.0 mm outside diameter, before installation. Match the 1.5 bar opening pressure to the vehicle specification and verify the application by VIN where the fitment notes call for it, especially on Volkswagen Polo, Golf, Jetta, Bora, and CrossFox listings. Inspect the sealing surface on the expansion bottle for cracks, debris, or distortion before fitting the new cap.\u003c\/p\u003e\u003cp\u003eFor best results, install the cap only on a cool engine and ensure it seats fully and locks in place. If the cooling system has been losing pressure, check the expansion bottle, hoses, and surrounding components for leaks at the same time.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFebi is a recognized aftermarket brand for European vehicle components, and this cap is specified to the listed dimensions and pressure rating for the applications shown. Febi 40722 is a practical replacement choice for owners servicing compatible Volkswagen, Audi, and Porsche cooling systems.\u003c\/p\u003e","brand":"Febi","offers":[{"title":"Default Title","offer_id":52409497125045,"sku":"CJBF-40722","price":11.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FB_40722_Fro.jpg?v=1777780143","url":"https:\/\/www.partcatalog.com\/products\/febi-40722-radiator-cap","provider":"PartCatalog","version":"1.0","type":"link"}