This is a drain plug O-ring for the 290-DP, DP-E other DP drives listed below. This is the larger option for an MS25S and some 120S-E Saildrives whereas the other option, part number 3855081 is a much smaller O-ring measuring about 6-7mm.
These are the 4 Rubber plus that holds the top engine cover on.
Volvo Penta green coolant gives vastly superior corrosion protection with special additives for aluminium protection. Suitable for both petrol and diesel engines. It also has good anti-freeze properties
Impeller pump screw kit for D2 yacht series engines and KAD300, KAD32, KAD42, KAD43, KAD44, KAD300 diesel engines