Vaico V20-0884 Engine Coolant Reservoir Hose - Reservoir To Auxiliary Water Pump

Engine Coolant Reservoir Hose for BMW X5

Restore the cooling circuit connection between the expansion tank and water pipe with this Vaico engine coolant reservoir hose. Vaico V20-0884 is built for the 2000-2003 BMW X5 reservoir to auxiliary water pump application and follows the OE-style routing needed for proper coolant transfer.

Compatible with BMW X5 cooling system service, this hose is specified for the reservoir to auxiliary water pump position and matches the listed OE reference for direct application use.

Key Features

• Cooling hose from expansion tank to water pipe
• Length: 270 mm for application-specific routing
• Width: 130 mm and height: 50 mm
• Lightweight construction at 0.142 kg
• Packaged dimensions: 27 cm x 13 cm x 5 cm
• Vaico V20-0884 for BMW X5 cooling system repair

Product Details

Vaico V20-0884 is an engine coolant reservoir hose used in the BMW X5 cooling system where the expansion tank connects to the water pipe and auxiliary water pump circuit. The hose length and formed dimensions support the specified routing, helping maintain a secure coolant path in the reservoir-to-auxiliary-water-pump position. For BMW X5 owners servicing a leaking or deteriorated coolant line, this part provides a direct-fit replacement reference for the listed OE number.

Vaico’s VAICO product line focuses on application-specific replacement parts for European vehicles, and this hose follows that approach with OE-number-based fitment for the BMW X5. This part cross-references Walker Exhaust 45841 for the same application.

What It Helps Fix

• Coolant seepage at the expansion tank hose connection
• Cracked or hardened hose material from heat cycling
• Loss of coolant flow between the reservoir and water pipe
• Cooling system service needs on 2000-2003 BMW X5 models
• Fitment issues when replacing the OE-style reservoir hose

Installation Notes and Tips

Fits 2000-2003 BMW X5, reservoir to auxiliary water pump. Verify the OE number 11537500729 and compare the hose shape, length, and connection points before installation. Inspect adjoining clamps, pipes, and the expansion tank neck for wear or residue that could affect sealing. Proper cooling system bleeding should be performed after replacement to remove trapped air.

Quality Assurance

Vaico V20-0884 is cataloged as an OE-referenced replacement part for the listed BMW X5 application and is identified by the matching OE number 11537500729. The VAICO line is used for vehicle-specific cooling system components with application-based fitment control.