Suzuki Lower Unit (DF9.9B / DF15A / DF20A) 50010-89830-YAY

The Suzuki Lower Unit (DF9.9B / DF15A / DF20A) 50010-89830-YAY is a genuine OEM Suzuki lower unit assembly designed for select Suzuki outboard engines. The lower unit houses critical drivetrain components that transfer power from the engine to the propeller while supporting shifting and cooling water circulation.

Replacing a damaged or worn lower unit can help restore proper operation, shifting performance, and overall reliability. This OEM Suzuki assembly is manufactured to Suzuki Marine specifications for proper fit and compatibility.

Fitment

Fits select Suzuki outboards:

• DF9.9B
• DF15A
• DF20A

Always verify compatibility using your engine model and serial number before ordering. Lower units may vary by shaft length, gear ratio, and application. If you need assistance confirming fitment, our team is happy to help at (727) 596-5929.