Genuine 210-987-00-45-65 Windshield Washer Reservoir Rubber Stop Plug 19mm

The Genuine Mercedes-Benz 210-987-00-45-65 is an OEM rubber stop plug designed to seal the unused pump port on the windshield washer fluid reservoir. This plug is used on Mercedes-Benz vehicles that are not equipped with a headlamp washing system, sealing the secondary pump opening to prevent fluid leakage.

Key Features:

• 19mm diameter rubber construction for a secure, leak-free seal
• Genuine OEM Mercedes-Benz quality — engineered to factory specifications
• Seals the extra pump port on dual-pump reservoirs when no headlight washer is installed
• Direct OEM replacement for original equipment
• Sold individually — one plug per application

Alternate Part Numbers: A2109870045, 2109870045, 210987004564, 210-987-00-45, 210.987.00.45

This stop plug is a straightforward but essential component for maintaining a properly sealed washer fluid system. It is commonly needed when replacing a single-pump reservoir with a dual-pump unit on vehicles without headlamp cleaning systems (Code 600).