The Volvo Penta D3-190i-B is a robust 190 hp inboard diesel marine engine featuring a common rail fuel injection system and seawater cooling. Engineered for reliability and performance, this engine is designed to meet the demanding requirements of marine applications. Its advanced technology ensures efficient operation and durability, making it a trusted choice for boat owners and operators seeking dependable power on the water. This comprehensive service repair manual provides detailed information for the Volvo Penta D3-190i-B marine engine. It covers essential maintenance procedures, including general upkeep and periodic lubrication, as well as in-depth repair guidance for the engine, transmission, electrical systems, fuel injection, and emission systems. The manual also includes troubleshooting assistance and information on chassis, body, steering, suspension, and brake systems, serving as an indispensable resource for owners and technicians to ensure optimal performance and longevity.