Volvo Penta Engine Part Catalog - volvopentastore M = manual steering. I = inboard. X = exact steering. J = Jet Drive. Volvo Penta diesel engines have several naming methods. The diesel names are a combination of letters and numbers. As a guideline, the following code letters are used to name the diesel engines: AQ205A - 7742810; AQ211A, DP-A, SP-A, 290A - 7743450; Spirit V3000 | 9m | 1988 - Suffolk | Boats and Outboards Aug 13, 2022Spirit V3000, 1988, fitted with twin Volvo Penta AQ205A petrol engines. The Spirit V3000 is offers superb accommodation for a boat of its size with this particular example have had the benefit of engine rebuilds, recent covers and updated navigation equipment. Manual Bilge Pump