Quicksilver 8M0184382 Upper Shift Shaft Assembly MerCruiser Sterndrive OEM

The Quicksilver 8M0184382 is a genuine OEM upper shift shaft assembly designed for MerCruiser MC-I, R, MR, and Alpha One sterndrive units. As a direct Mercury Marine factory replacement component, it restores precise gear engagement and reliable shifting performance to your sterndrive system.

The shift shaft assembly is a critical component in the sterndrive's gear-changing mechanism, transmitting shifting force from the control cable through to the gear housing. Replacing a worn or damaged shift shaft with an authentic Quicksilver OEM part ensures proper fit, function, and longevity — with no modifications required.

Key Features:

• Genuine Quicksilver OEM replacement part — manufactured to Mercury Marine factory specifications
• Direct replacement for upper shift shaft on MerCruiser MC-I, R, MR, and Alpha One sterndrives
• Cross-references: 45589A1, 45589A3, Sierra 18-2169
• Ensures accurate gear engagement and smooth, positive shifting
• No trimming, cutting, or modification required for proper fitment
• Backed by Mercury Marine's standard factory warranty against defects in materials and workmanship

Choose the Quicksilver 8M0184382 shift shaft assembly to keep your sterndrive shifting confidently and reliably season after season.