Genuine NGK Part for Mercury Outboard Engines.

NGK: BR9HS-10-NGK (4551)

Mercury PN: 33-813418

Applications:

Mercury 2-Stroke Outboard Engines:

• 7.5 USA 5206550 and up
• 7.5 AUS 8057545 and up
• 7.5 BEL 9217756 and up
• 7.5 CAN 7125388 and up
• 9.8 USA 5206550 and up
• 9.8 AUS 8057545 and up
• 9.8 BEL 9217756 and up
• 9.8 CAN 7125388 and up 

This part will have other marine and non-marine applications, including for Yamaha Outboard motors.

Please contact us for more information or to check the application of the part.