The Volvo Penta D3-160A-B is a robust inline diesel marine engine from the D3 Series, designed to deliver 160 horsepower (118 kW). This 5-cylinder engine features a 2.4-liter displacement and a common rail injection system, providing efficient and reliable power for marine applications. Its indirect cooling system ensures optimal operating temperatures, contributing to the engine's longevity and performance. The D3-160A-B is engineered for durability and consistent operation in demanding marine environments. This comprehensive Workshop Service Manual (WSM) in English provides detailed guidance for the maintenance and repair of the Volvo Penta D3-160A-B marine engine. It covers a wide range of procedures, from routine maintenance tasks to more complex major repairs, offering step-by-step instructions accompanied by illustrations and wiring diagrams. This manual is an essential resource for owners, mechanics, and technicians seeking to ensure the optimal performance, reliability, and longevity of their Volvo Penta D3 Series engine.