Vaico V20-0724 Engine Coolant Reservoir

Engine Coolant Reservoir for BMW E39 Applications

This Vaico engine coolant reservoir is built for select BMW 5 Series models and matches OE reference 17111436381. It is a direct-fit cooling system replacement for 1999-2003 BMW 528i, 525i, and 530i applications, with dimensions that support proper underhood packaging.

Key Features

• Engine coolant reservoir for the cooling system
• Fits 1999-2000 BMW 528i and 2001-2003 BMW 525i, 530i
• OE reference: 17111436381
• Dimensions: 300 mm height, 139 mm length, 113 mm width
• Weight: 0.659 kg
• Vaico part number V20-0724

Product Details

VAICO focuses on OE-style replacement parts for European vehicles, and this reservoir follows that approach for BMW cooling system service. The V20-0724 coolant reservoir is sized at 300 mm tall, 139 mm long, and 113 mm wide, which helps ensure the correct fit in the engine bay. For shoppers searching for a BMW 525i coolant reservoir, BMW 530i expansion tank replacement, or a BMW 528i coolant reservoir with OE No. 17111436381, this part provides a direct reference point for the listed applications. This part cross-references BEHR 376731501 and Four Seasons 36403 for the same application.

What It Helps Address

• Cracked or leaking coolant reservoir housing
• Low coolant level warnings caused by reservoir failure
• Visible coolant seepage around the expansion tank
• Cooling system service on BMW E39 5 Series models
• Replacement of a reservoir matched to OE No. 17111436381

Installation Notes

Verify the OE number, dimensions, and vehicle application before installation. Confirm hose routing, mounting points, and surrounding cooling system components on the BMW 528i, 525i, or 530i to ensure the replacement reservoir matches the original layout. Inspect related cooling parts during service, including hoses, caps, and level sensors where equipped.

Quality Assurance

Vaico supplies OE-style replacement components for European vehicle maintenance, and this reservoir is cataloged for the listed BMW applications with OE reference 17111436381. Use the part number V20-0724 and the vehicle fitment details to confirm selection before installation.