Genuine 64218378368 Engine Coolant Hose - Heater Valve To Engine

BMW Heater Valve to Engine Coolant Hose

This Genuine engine coolant hose routes coolant between the heater valve and engine on select BMW 5 Series models. Part number 64218378368 is a direct-fit replacement for the specified applications, with fitment coverage for BMW 525i, 530i, and 528i models.

Key Features

• Genuine OEM-style engine coolant hose
• Heater valve to engine coolant routing
• Direct fit for listed BMW applications
• Part number 64218378368 for identification and ordering
• Compatible with 2001-2003 BMW 525i and 530i, plus 1998-2000 BMW 528i

Detailed Description

Built for the cooling system connection between the heater valve and engine, this hose supports proper coolant flow in the BMW E39 platform applications listed below. It is a fitment-specific replacement for 2001-2003 BMW 525i and 530i models, as well as 1998-2000 BMW 528i models, including 1998 528i vehicles built from 9/1998. Use part number 64218378368 to confirm the correct hose before ordering.

What It Helps Address

• Coolant leaks at the heater valve-to-engine hose connection
• Cracked, hardened, or swollen coolant hose material
• Loss of heater circuit coolant flow
• Cooling system service on BMW 525i, 530i, and 528i models
• Incorrect hose replacement due to mismatched routing or fitment

Installation Notes and Tips

Verify the hose routing against the existing cooling system layout before installation. Drain coolant as needed, inspect adjoining fittings and clamps for wear, and replace any damaged sealing surfaces during service. Confirm the vehicle build date for 1998 BMW 528i applications, since fitment applies from 9/1998.

Quality Assurance

Genuine parts are selected to match the specified OE application requirements for the listed BMW models. Confirm fitment with part number 64218378368 and the vehicle’s year, model, and build date before installation.