This URO Parts Windshield Washer Pump Grommet seals the washer pump connection at the washer fluid reservoir. It replaces a worn, cracked, loose, or hardened rubber seal that can allow washer fluid to leak from the reservoir.

URO part number 61-66-1-365-657 is an OE-style rubber grommet used across many European washer systems, including select Mercedes-Benz, Porsche, BMW, Audi, and Volkswagen applications.

Technical Details

• Manufacturer: URO Parts
• Manufacturer part number: 61-66-1-365-657
• OE reference: 0099970981
• Part type: Windshield Washer Pump Grommet / Reservoir Seal
• Material: Rubber
• System: Windshield washer / washer reservoir

Fitment & Compatibility

The table below condenses the full fitment into major vehicle groups. Confirm your exact year, model, trim, and washer-system layout before ordering.

Year	Make	Model	Submodel	Notes
1998–2005	Mercedes-Benz	ML320, ML350, ML430, ML500, ML55 AMG	W163	Washer pump to washer reservoir grommet
1997–2016	Porsche	Boxster, Cayman, 911	986, 987, 981, 996	Washer reservoir pump seal; confirm model year and washer setup
2003–2025	Porsche	Cayenne, Macan, Panamera, select later 718/911 applications	Select trims	Washer pump grommet; fitment varies by reservoir configuration
1977–2000	BMW	3 Series, 5 Series, 7 Series and related models	Select trims	Windshield washer pump reservoir seal
1978–2015	Audi	4000, 5000, 80/90/100, A3/A4/A5/A6/A8, Q-series, S/RS models, TT	Select trims	Washer pump grommet; some applications use upper or lower position
1990–2024	Volkswagen	Beetle, EuroVan, Golf/GTI, Jetta, Passat, Rabbit, Tiguan, Touareg	Select trims	Windshield washer reservoir seal; verify pump location before ordering

PMB Performance has worked on Porsche cars and European replacement parts for over 20 years. Send us your VIN if you want help checking fitment before you order.