Sierra 18-21005 Mercruiser Gimbal Bearing

Sierra high-quality gimbal bearings are greasable and fit all Bravo, and Alpha One Gen II (1998 & up).

Interchangeable with:

• Mallory
• 9-72412
• Mercruiser Stern Drive
• 30-862540A3
• 30-879194A01
• 30-862540T1
• 30-862540A04