The Volvo Penta D3-190i-B is a marine engine from the D3 Series, renowned for its robust engineering and reliable performance. This common rail engine delivers 190 horsepower and is designed for demanding marine applications, featuring a seawater-cooled system for efficient operation. Its inherent quality and advanced technology make it a preferred choice for various watercraft, ensuring dependable power and longevity on the water. This Workshop Service Manual (WSM) in English provides comprehensive guidance for the maintenance and repair of your Volvo Penta D3-190i-B engine. It covers routine servicing, detailed repair procedures, and includes essential technical specifications, troubleshooting advice, and wiring diagrams. The manual is designed to empower owners and technicians with the knowledge needed for DIY repairs and to ensure the optimal performance and longevity of the marine engine.