Genuine 11517507717 Engine Water Pump O-Ring

BMW Water Pump O-Ring Seal

This Genuine engine water pump O-ring, part number 11517507717, is a direct-fit sealing component for the water pipe to water pump connection on select BMW models. It is specified as a 17 x 3 mm O-ring for maintaining a secure coolant seal in the cooling system.

Key Features

• Genuine OE replacement O-ring for the engine water pump connection
• 17 x 3 mm size for the water pipe to water pump interface
• Part number 11517507717 for accurate ordering and service matching
• Fits select BMW 550i, 650i, X5, 750i, 750Li, 760Li, 760i, 545i, 645Ci, 745i, and 745Li applications
• Designed for cooling system sealing at the water pump connection

Detailed Description

Use this Genuine 11517507717 O-ring when servicing the BMW cooling system and replacing the seal at the water pipe to water pump joint. It is listed for 2002-2010 BMW applications, including 2006-2010 BMW 550i, 2006-2010 BMW 650i, 2004-2010 BMW X5, 2006-2008 BMW 750i, 2006-2008 BMW 750Li, 2003-2006 and 2008 BMW 760Li, 2004-2006 BMW 760i, 2004-2005 BMW 545i, 2004-2005 BMW 645Ci, 2002-2005 BMW 745i, and 2002-2005 BMW 745Li. If you are searching for a BMW water pump O-ring 11517507717 or a 17 x 3 mm water pipe seal, this part matches the listed applications.

Common Repair Uses

• Coolant seepage at the water pipe to water pump connection
• Sealing wear during water pump service
• Leak repair after cooling system disassembly
• Replacement of a flattened, hardened, or damaged O-ring
• BMW cooling system maintenance on V8 and V12 applications

Installation Notes and Tips

Inspect the sealing surfaces before installation and clean away old coolant residue or debris. Confirm the O-ring seats evenly in the groove and verify the water pipe and pump mating surfaces are free of nicks or corrosion. Always match the part to the vehicle application and confirm the 17 x 3 mm specification before assembly.

Quality Assurance

Genuine parts are built to OE specifications for the listed BMW applications. Part number 11517507717 is the reference to use when ordering the correct BMW water pump O-ring for the specified fitments.