Quicksilver 8M0186928 - Timing belt for Mercury 25/30hp EFI FourStrokeMade to Mercury's exact specs, this premium Quicksilver Timing Belt delivers long-lasting reliability, helping to ensure smooth, efficient performance from Mercury 25 and 30hp EFI FourStroke outboards.Key Product Features Fits Mercury 25 and 30hp EFI FourStroke outboards (serial No. 1R154758 and up); Exact replacement for the timing belt that came with your engine; Delivers long-lasting reliability; Application Information:Fits Mercury 25 and 30hp EFI FourStroke outboards (serial No. 1R154758 and up)