{"product_id":"rein-abv0256-engine-crankcase-breather-hose","title":"Rein ABV0256 Engine Crankcase Breather Hose","description":"\u003ch2\u003eOE Breather Hose for Audi Crankcase Ventilation\u003c\/h2\u003e\u003cp\u003eThe Rein ABV0256 engine crankcase breather hose is an OE-quality replacement for select Audi A4, A4 Quattro, A6, and A6 Quattro applications. It matches original equipment design specifications and is built for direct fitment, making it a practical choice for restoring crankcase ventilation performance on 2003-2004 Audi models.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMatches original equipment design specifications.\u003c\/li\u003e\n\u003cli\u003eManufactured with high quality materials.\u003c\/li\u003e\n\u003cli\u003eDirect fit for easy installation.\u003c\/li\u003e\n\u003cli\u003eResistant to heat, salt, road debris, oil, and other contaminants.\u003c\/li\u003e\n\u003cli\u003eOE-quality replacement for the original breather hose.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eRein ABV0256 is an engine crankcase breather hose engineered as a direct replacement for the OE part. It is identical to the OEM in form, fit, and function, and is built for European vehicles where precise crankcase ventilation routing matters. This breather hose is a strong match for Audi A4 and Audi A4 Quattro models from 2003, plus Audi A6, Audi A6 Quattro, and 2004 Audi A6 applications. For buyers searching for an Audi breather hose replacement or a Rein ABV0256 crankcase ventilation hose, this part provides the correct OE-style fit for the listed vehicles.\u003c\/p\u003e\u003cp\u003eThis part cross-references OE number 06C103235A for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or brittle breather hose material.\u003c\/li\u003e\n\u003cli\u003eOil vapor leaks in the crankcase ventilation system.\u003c\/li\u003e\n\u003cli\u003eVacuum loss caused by a damaged hose connection.\u003c\/li\u003e\n\u003cli\u003eContamination from heat, road debris, salt, and oil exposure.\u003c\/li\u003e\n\u003cli\u003eImproper routing or fit from a worn original hose.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle VIN before ordering, especially for 2003 Audi A4, A4 Quattro, and A6 applications with VIN breakpoints listed in fitment. Confirm the hose routing and connection points against the original part before installation. Because this is a direct-fit replacement, installation follows the OE layout on the applicable Audi crankcase ventilation system.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eRein Automotive supplies OE-quality breather hoses for European vehicles, with replacement parts built to match the original manufacturer’s design and function. ABV0256 includes a 24-month or 24,000-mile warranty.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2004 Audi A6, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2004 Audi A6 Quattro, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2003 Audi A4, N\/A, from VIN 8E3325001.\u003c\/li\u003e\n\u003cli\u003eFits 2003 Audi A4, N\/A, from VIN 8H3020001.\u003c\/li\u003e\n\u003cli\u003eFits 2003 Audi A4 Quattro, N\/A, from VIN 8E3325001.\u003c\/li\u003e\n\u003cli\u003eFits 2003 Audi A6, N\/A, from VIN 4B3075001.\u003c\/li\u003e\n\u003cli\u003eFits 2003 Audi A6 Quattro, N\/A, from VIN 4B3075001.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rein","offers":[{"title":"Default Title","offer_id":52409488703669,"sku":"DFBS-ABV0256","price":26.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C8_ABV0256_Fro.jpg?v=1777778653","url":"https:\/\/www.partcatalog.com\/products\/rein-abv0256-engine-crankcase-breather-hose","provider":"PartCatalog","version":"1.0","type":"link"}