{"product_id":"rein-chr0644-radiator-coolant-hose-upper-or-upper-main-radiator","title":"Rein CHR0644 Radiator Coolant Hose - Upper or Upper - Main Radiator","description":"\u003ch2\u003eOverview of Rein Radiator Coolant Hose CHR0644\u003c\/h2\u003e\u003cp\u003eThe Rein radiator coolant hose CHR0644 is designed specifically for select Audi models, including the A4 Quattro, A5, A5 Quattro, S4, and S5. Engineered to reduce installation time and prevent leaks, this hose offers a reliable cooling system solution for your vehicle.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReduces installation time with a precise fit\u003c\/li\u003e\n\u003cli\u003eNo cutting, refitting, or adjusting required\u003c\/li\u003e\n\u003cli\u003ePrevents leaks by avoiding reuse of old quick connectors\u003c\/li\u003e\n\u003cli\u003eResistant to heat, salt, road debris, oil, and contaminants\u003c\/li\u003e\n\u003cli\u003eConstructed from durable EPDM hose material\u003c\/li\u003e\n\u003cli\u003eCenterline length of 9.25 inches (23.495 cm)\u003c\/li\u003e\n\u003cli\u003eBlack color for standard OEM appearance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Rein radiator coolant hose CHR0644 is an application-specific replacement part designed to meet the exact specifications of Audi vehicles such as the A4 Quattro, A5, A5 Quattro, S4, and S5. Made from EPDM material, this single hose is engineered to withstand harsh conditions including high heat, exposure to road salt, oil, and other contaminants commonly encountered in automotive environments. Its precise dimensions—9.25 inches centerline length and carefully measured inside and outside diameters—ensure a secure, leak-free connection without the need for cutting or adjustments. The hose’s black finish maintains a clean, OEM look under the hood.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses in Audi A4 Quattro and A5 models\u003c\/li\u003e\n\u003cli\u003eEliminates coolant leaks caused by deteriorated or improperly fitted hoses\u003c\/li\u003e\n\u003cli\u003ePrevents overheating issues related to compromised coolant flow\u003c\/li\u003e\n\u003cli\u003eAddresses failures from exposure to heat and road contaminants\u003c\/li\u003e\n\u003cli\u003eImproves reliability by avoiding reuse of old quick connectors that can cause leaks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eThe Rein CHR0644 radiator coolant hose is designed for straightforward installation with no cutting, refitting, or adjusting necessary. Ensure that old quick connectors are replaced to prevent leaks and comebacks. Verify hose orientation and fitment on your Audi A4 Quattro, A5, S4, or S5 before installation. Use appropriate clamps and check for secure connections to maintain optimal coolant system performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eManufactured with durable EPDM material, the Rein radiator coolant hose CHR0644 offers resistance to heat, oil, salt, and road debris, contributing to long service life. While specific warranty details are not provided, Rein products are known for meeting OEM standards and providing reliable performance in automotive cooling systems.\u003c\/p\u003e","brand":"Rein","offers":[{"title":"Default Title","offer_id":51991358177461,"sku":"DFBS-CHR0644","price":42.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C8_CHR0644_Fro.jpg?v=1775148017","url":"https:\/\/www.partcatalog.com\/products\/rein-chr0644-radiator-coolant-hose-upper-or-upper-main-radiator","provider":"PartCatalog","version":"1.0","type":"link"}