Sierra 118-9076 Water Pump Drive Shaft Collar for Mercury and Yamaha Outboards

The Sierra 118-9076 (also known as 18-9076) is a precision-engineered water pump drive shaft collar designed for Mercury and Yamaha outboard engines. This critical lower unit component ensures proper spacing and alignment of the water pump drive shaft assembly.

Key Features:

• Direct replacement for Mercury Marine 23-886901 and Yamaha 61A-45527-00-00
• Also replaces Mallory 9-43712 for cross-reference compatibility
• Engineered to meet or exceed OEM specifications for reliable performance
• Constructed to withstand harsh marine environments
• Backed by Sierra's limited lifetime warranty

Application:

• Mercury 225 EFI 4-Stroke engines (serial number 0T653945 and up)
• Yamaha 2-Stroke outboards 115HP-300HP (1993-current)
• Yamaha 4-Stroke outboards 115HP-225HP (2002-current)

This collar is often part of the wave washer kit (Sierra 18-9079) used during water pump service. Sierra Marine provides premium-quality aftermarket replacements designed for professional marine technicians and do-it-yourself boat owners who demand quality and reliability.