Suzuki Gear Case Drain Plug | DF150-DF300

The Suzuki OEM Gear Case Drain Plug 55128-93J10 is a genuine Suzuki lower unit drain/fill plug used in the gear case assembly on select Suzuki outboard motors. This plug is commonly used as the upper vent plug or secondary drain plug during lower unit gear oil service. Properly functioning drain plugs are critical for maintaining gear oil integrity and preventing water intrusion into the lower unit. Using genuine Suzuki OEM drain plugs ensures proper sealing, correct thread fitment, and reliable performance in harsh marine environments. Key Features Genuine Suzuki OEM Part Direct replacement for 55128-93J10 Used in lower unit gear case Ensures proper sealing during gear oil service Corrosion-resistant marine-grade construction Ideal for routine maintenance and service Common Uses Lower unit gear oil service Upper vent plug replacement Preventative maintenance Lower unit rebuild or repair