Vaico V20-1770 HVAC Heater Hose

BMW Heater Hose Replacement

The Vaico V20-1770 HVAC heater hose routes coolant from the heating cooler to the heater valve for proper cabin heat control. Built to match the OE reference 64 21 8 363 198, it is a direct-fit replacement for select BMW 325Ci, 330Ci, 325i, 325xi, 330i, and 330xi models.

• Cooling hose from heating cooler to heater valve
• OE reference: 64 21 8 363 198
• Length: 460 mm
• Height: 70 mm
• Width: 60 mm
• Brand: VAICO / Vaico
• Part number: V20-1770

Product Details

VAICO focuses on OE-style replacement parts for European vehicles, and the V20-1770 heater hose follows that approach with application-specific dimensions and routing. This HVAC heater hose is listed for BMW 325Ci and 330Ci models from 2001-2006, as well as BMW 325i, 325xi, 330i, and 330xi models from 2001-2005. The part number V20-1770 also cross-references Gates 23925 for the same application.

Common Repair Symptoms

• Coolant leakage at the heater hose connection
• Reduced or inconsistent cabin heat
• Cracked, swollen, or aging heater hose material
• Incorrect hose routing after HVAC service
• OE heater hose replacement needs for BMW cooling system repair

Installation Notes

Verify the OE number 64 21 8 363 198 and confirm the hose routing before installation. This heater hose is specified as an inlet hose and should be matched to the vehicle’s HVAC layout on BMW 325Ci, 330Ci, 325i, 325xi, 330i, and 330xi applications. Check connection points, clamp condition, and surrounding cooling system components during service.

Quality Assurance

VAICO supplies OE-replacement components for European vehicle applications, and this hose is built to align with the listed factory reference and fitment data. Part number V20-1770 is engineered for the specified BMW heater hose application and packaged with dimensions of 46 x 7 x 6 cm for catalog identification.