77212-965-000 Seat Side Rubber - Overview. The 77212-965-000 Seat Side Rubber is a specialized rubber component designed to support the seating system in Honda marine engine applications. It serves as a cushioning and protective part positioned on the side of the seat, providing enhanced comfort and protection while maintaining the structural integrity of the seating assembly. This part is crucial for safeguarding the seat's edges against wear, vibration, and environmental factors, ensuring the