Rein 64-21-9-178-427 HVAC Heater Hose Engine Inlet to Heater Core

The Rein 64-21-9-178-427 is a high-quality replacement heater hose designed to connect the engine inlet to the heater core in BMW vehicles. Manufactured by Rein Automotive, this hose is engineered to meet or exceed OEM specifications, ensuring reliable performance and proper fit.

Key Features:

• Constructed from reinforced rubber for durability and heat resistance
• Precision-engineered with proper diameter, bends, and lengths for exact fitment
• Direct replacement for BMW OEM part number 64219178427
• Also replaces previous BMW part number 64-21-6-960-026
• Rein Automotive manufacturer part number CHH0812

Heater hoses are subject to extreme temperature fluctuations and constant pressure, which can cause them to crack, swell, split at clamps, or develop leaks over time. This Rein heater hose provides a cost-effective OEM-quality replacement to restore your vehicle's heating and cooling system integrity. Regular inspection and timely replacement of worn heater hoses helps prevent coolant loss and potential engine overheating.