{"product_id":"rein-che0802-engine-coolant-hose-expansion-tank-upper-to-flange","title":"Rein CHE0802 Engine Coolant Hose - Expansion Tank (Upper) To Flange","description":"\u003ch2\u003eOE-Style Coolant Hose for Audi A4 and A5\u003c\/h2\u003e\u003cp\u003eThe Rein CHE0802 engine coolant hose is an OE-quality replacement for European cooling systems that need a precise factory-style fit. It is built for the upper expansion tank to flange connection and matches the original hose layout for select Audi A4, Audi A4 Quattro, Audi A5, and Audi A5 Quattro applications.\u003c\/p\u003e\u003cp\u003eWith black construction and molded dimensions that follow the OE design, this hose supports a clean, direct replacement on the cooling circuit. The Rein CHE0802 is made for drivers and technicians looking for a replacement that aligns with the original hose shape and connection points.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine coolant hose for the upper expansion tank to flange connection\u003c\/li\u003e\n\u003cli\u003eOE-quality replacement for select Audi A4, A4 Quattro, A5, and A5 Quattro models\u003c\/li\u003e\n\u003cli\u003eBlack coolant hose construction\u003c\/li\u003e\n\u003cli\u003eDesigned with OE-style branch size and shape\u003c\/li\u003e\n\u003cli\u003eThermoplastic quick-connect fitting design follows the original layout\u003c\/li\u003e\n\u003cli\u003ePart number CHE0802 for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eRein CHE0802 is an engine coolant hose engineered for European vehicles that require a direct replacement at the upper expansion tank to flange location. It is listed for 2009-2012 Audi A4, 2009-2012 Audi A4 Quattro, 2010-2012 Audi A5, and 2010-2012 Audi A5 Quattro, with additional 2013-2016 Audi A4 and Audi A4 Quattro coverage for vehicles with PR Code GP1. The hose is shaped to follow the original routing and connection geometry, helping maintain the factory-style cooling system layout. This part cross-references URO 8K0121081AH for the same application.\u003c\/p\u003e\u003cp\u003eMeasured hose-end dimensions include 16.23 mm outside diameter and 8.94 mm inside diameter at one end, and 24.71 mm outside diameter with 6.60 mm inside diameter at the other end. Those dimensions support accurate fitment for the specified Audi cooling system applications. If you are replacing a worn or damaged upper coolant hose on an Audi A4 or Audi A5, CHE0802 provides a direct-fit service part reference.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant seepage at the upper expansion tank hose connection\u003c\/li\u003e\n\u003cli\u003eCracked or brittle hose material from age and heat cycling\u003c\/li\u003e\n\u003cli\u003eLoose or damaged OE-style quick-connect interface\u003c\/li\u003e\n\u003cli\u003eImproper hose routing after a previous repair\u003c\/li\u003e\n\u003cli\u003eCooling system leaks at the flange connection point\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s model year, engine configuration, and PR Code GP1 before ordering. Confirm the upper expansion tank to flange routing against the original hose on the vehicle, and inspect the mating connectors and flange surfaces for wear, residue, or damage before installation. After replacement, refill and bleed the cooling system according to factory service procedures and check for leaks at operating temperature.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eRein Automotive positions this hose as an OE-quality replacement for European vehicles, with dimensions and connector style matched to the original design. CHE0802 is built to follow the factory hose form for the listed Audi applications, supporting a direct replacement approach for cooling system service.\u003c\/p\u003e","brand":"Rein","offers":[{"title":"Default Title","offer_id":52918196306101,"sku":"DFBS-CHE0802","price":78.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C8_CHE0802_Fro.jpg?v=1785566807","url":"https:\/\/www.partcatalog.com\/products\/rein-che0802-engine-coolant-hose-expansion-tank-upper-to-flange","provider":"PartCatalog","version":"1.0","type":"link"}