The Volvo Penta D3 Series marine engines, including the D3-110i B and D3-130i B models, represent advanced in-line 5-cylinder diesel technology. These engines feature a 2.4-liter displacement and utilize Common Rail Direct Injection for efficient fuel delivery, producing 110 hp and 130 hp respectively. Engineered for reliability and performance in marine environments, they are designed to meet relevant emission standards and can be configured with various Volvo Penta sterndrives or inboard transmissions, making them a robust choice for a range of vessels. This Service Repair Workshop Manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of the Volvo Penta D3 Series marine engines. It covers all aspects of servicing, from routine maintenance procedures, including oil and filter changes, to detailed repair instructions. With hundreds of detailed photos and diagrams, this manual offers step-by-step instructions to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of their D3 Series engines.