At yacht-supply24.com, we offer a wide range of Nanni Diesel products, including marine diesel engines, generator sets, and many related accessories such as fuel systems, control systems, filtration systems, and electrical systems. Our selection covers all power and application categories, from bobtail engines to complete power systems, providing customers with comprehensive solutions for their marine engine needs. As an ISO 9001 certified company, Nanni Diesel is dedicated to delivering top-quality products that meet rigorous international standards.
Nanni Diesel is a leading manufacturer of marine diesel engines with a product range spanning from 10 to 1900 hp, as well as power generator sets from 6 kW to 500 kW. Their innovative and unique marinization system, NANNI COMPACT COOLING®, allows for a diverse range of propulsion solutions to suit the specific needs of any vessel. Nanni Diesel is committed to creating and manufacturing innovative solutions that exceed customer expectations while prioritizing environmental sustainability.
Fast deliveries of yacht equipment, calculation, selection of analogues and spare parts. Send us your request and we will contact you ASAP with a solution. We deliver in Cyprus, throughout Europe and worldwide. More than 10 years of experience.
Email us: info@yacht-supply24.com or fill our Feedback form.
You can also fill out the "Ask a question" form on the right or at the bottom of the page.
Fast deliveries of yacht equipment, calculation, selection of analogues and spare parts. Send us your request and we will contact you ASAP with a solution. We deliver in Cyprus, throughout Europe and worldwide. More than 10 years of experience.
Email us: info@yacht-supply24.com or fill our Feedback form.
You can also fill out the "Ask a question" form on the right or at the bottom of the page.
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1-2 weeks delivery time The Nanni Diesel 970312496 oil return gasket is a sealing element used in the turbocharger and exhaust mixer assembly to help keep the turbo oil-drain circuit tight and controlled. Designed for Nanni T6.420TDI and T6.300 engines, it supports clean oil return flow and helps prevent leaks in a high-heat, high-vibration marine installation. |
$ 17.94
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1-2 weeks delivery time The Nanni Diesel 970312500 ball bearing is a precision rolling element used within the camshaft injection pump and camshaft fuel assemblies to support smooth shaft rotation and stable alignment under continuous engine load. Designed as an OEM replacement, it helps reduce friction and wear in the drive train that actuates fuel delivery on 4.190HE, 4.195HE, 4.200HE, 4.200TD, 4.220HE, 5.250TDI, 5.280HE, N4.50, and N4.60 engines. |
$ 80.81
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1-2 weeks delivery time The Nanni Diesel 970312501 feather key is a precision drive key used in the camshaft injection pump assembly to positively locate and transmit torque between the camshaft and its driven component, helping maintain correct fuel-injection timing. It is specified for a wide range of Nanni engines, including 4.190HE, 4.195HE, 4.200HE, 4.200TD, 4.220HE, 5.250TDI, 5.280HE, N4.50, N4.60, and N4.65 models. |
$ 5.79
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1-2 weeks delivery time The Nanni Diesel 970312506 sea water pump shaft is a drive element for the sea water pump assembly, helping transmit rotation through the pump to keep raw-water circulation steady for marine engine cooling. Designed for Nanni Diesel T6.420TDI and T6.300 engines, it supports dependable pump operation and is a fit-focused choice for service or rebuild work on the sea water pump system. |
$ 872.27
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1-2 weeks delivery time The Nanni Diesel 970312509 piston is a rotating-assembly engine component that works within the crankshaft and pistons assembly to convert combustion pressure into mechanical force. Designed for a proper OEM-style fit in Nanni marine diesel applications, it supports smooth power delivery and dependable operation on 4.330TDI and 4.340TDI engines. |
$ 947.52
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1-2 weeks delivery time The Nanni Diesel 970312510 piston ring set is a precision ring pack for the crankshaft and pistons assembly, designed to restore proper sealing at the piston-to-cylinder interface. By supporting strong compression control and stable oil management, it helps maintain efficient combustion and dependable performance on Nanni 4.330TDI and 4.340TDI marine diesel engines. |
$ 607.56
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1-2 weeks delivery time The Nanni Diesel 970312517 external circlip is a retaining fastener used to securely hold shafts or components in place within key engine systems. Installed in assemblies such as the sea water pump, heat exchanger, and the camshaft injection pump group, it helps prevent axial movement and keeps rotating parts correctly located on Nanni marine diesel engines including 4.200TD, N4.60, 4.330TDI, 4.340TDI, 5.250TDI, 5.280HE, and N4.65. |
$ 2.78
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1-2 weeks delivery time The Nanni Diesel 970312518 oil filler cap sub-assembly provides a secure, service-friendly sealing point for adding engine oil at the cylinder head. Used within the cylinder head assembly on T6.420TDI and T6.300 engines, it helps keep the lubrication system protected from oil splash and external contamination while supporting clean, routine maintenance. |
$ 193.13
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1-2 weeks delivery time The Nanni Diesel 970312519 cylinder head sealing gasket supports a tight, stable seal within the cylinder head assembly to help maintain compression and control fluid separation during marine engine operation. Designed as an OEM-fit replacement for Nanni Diesel T6.420TDI and T6.300 engines, it restores proper sealing performance when servicing the cylinder head. |
$ 20.31
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1-2 weeks delivery time The Nanni Diesel 970312520 cylinder head cover sub-assembly is a complete cover unit for the cylinder head assembly, built to protect the top end and support stable sealing on Nanni T6 marine diesel engines. Designed for T6.420TDI and T6.300 engines, it helps keep the cylinder head area properly enclosed for clean, reliable operation in demanding onboard conditions. |
$ 6,898.53
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1-2 weeks delivery time The Nanni Diesel 970312522 cylinder head cover fastener secures the cylinder head cover as part of the cylinder head assembly on T6.420TDI and T6.300 engines. Built for a correct OEM-style fit, this bolt helps keep the cover clamped evenly to support clean sealing, stable running conditions, and dependable protection of valvetrain components in marine service. |
$ 37.30
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1-2 weeks delivery time The Nanni Diesel 970312524 hex-head bolt with an integrated captive washer is a secure, vibration-resistant fastener used in the cylinder head assembly. Designed to clamp components evenly and maintain consistent holding force, it is the correct OEM replacement for Nanni Diesel T6.420TDI and T6.300 engines in marine duty. |
$ 20.31
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1-2 weeks delivery time The Nanni Diesel 970312525 straight pin is a precision locating element used in the cylinder head assembly to help position and align mating components during installation. Built for a secure OEM-style fit, it supports accurate assembly and consistent sealing surfaces on Nanni T6.420TDI and T6.300 marine diesel engines. |
$ 12.75
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1-2 weeks delivery time The Nanni Diesel 970312526 semicircular plug is a cylinder-head sealing element designed to close off a shaped opening in the cylinder head assembly, helping maintain proper internal sealing and protecting the engine from oil or coolant seepage in service. It is used in the cylinder head system on T6.420TDI and T6.300 engines for a secure OEM-style fit during maintenance or overhaul. |
$ 108.14
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1-2 weeks delivery time The Nanni Diesel 970312527 plate washer is a securing element used in the cylinder head set within the cylinder head assembly, helping distribute clamping load and maintain stable fastening under engine vibration and heat cycling. Built for OEM-style fit on Nanni T6.420TDI and T6.300 marine diesel engines, it supports consistent cylinder head retention during service and rebuild work. |
$ 19.36
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1-2 weeks delivery time The Nanni Diesel 970312528 cylinder head fastener bolt is designed for the cylinder head assembly and is supplied for the cylinder head set with L=133.5. It secures the cylinder head to the engine structure with dependable clamping force to help maintain a stable seal and consistent engine operation on T6.420TDI and T6.300 engines. |
$ 102
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1-2 weeks delivery time The Nanni Diesel 970312529 cylinder head fastening bolt provides secure, consistent clamping of the cylinder head set within the cylinder head assembly. Specified for a 121.5 length application, it is built to help maintain head-to-block sealing stability on Nanni T6.420TDI and T6.300 marine diesel engines under demanding thermal and load cycles. |
$ 151.58
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1-2 weeks delivery time The Nanni Diesel 970312530 cylinder head sub-assembly is a complete cylinder head unit built for the cylinder head system on Nanni marine diesel engines. Designed for T6.420TDI and T6.300 engines, it restores proper sealing and internal gas-flow control at the top end of the engine, supporting stable compression, efficient combustion, and dependable running under marine load. |
$ 49,637.42
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Where is the Nanni Diesel engine typically located on a yacht or vessel?
Nanni Diesel engines are commonly located in the engine compartment or engine room of yachts and vessels. These powerful marine engines are known for their reliability and are often installed below deck, providing propulsion and power for various onboard systems. Nanni Diesel offers a comprehensive range of engine parts and spare parts to ensure the continued performance of their engines in the demanding marine environment.
What spare parts catalog is available for Nanni Diesel engines?
Nanni Diesel provides an extensive spare parts catalog tailored to their engines, offering a wide array of genuine components. This comprehensive catalog includes parts for various engine models, such as Nanni Diesel marine engines, Nanni boat engines, Nanni generators, and heat exchangers. It covers critical components like filters, gaskets, pumps, belts, and more, making it a valuable resource for boat owners and technicians to easily identify and obtain the specific parts needed for maintenance, repairs, or replacements.
Nanni Diesel engines are strategically designed to fit within the engine compartment or dedicated engine room of yachts and vessels, optimizing space utilization while ensuring efficient performance. With a diverse lineup ranging from compact 10hp engines to powerful models, Nanni offers a comprehensive range of marine diesel engines tailored to suit varying vessel sizes and applications worldwide. Their commitment to quality extends to a full range of marine engine parts and spare parts, backed by extensive sales and customer support to assist boat owners in maintaining top-tier performance, whether at home or exploring the seas.
What types of maintenance are recommended for Nanni Marine Diesel Engines?
To ensure the optimal performance and longevity of Nanni Diesel engines, regular maintenance practices are crucial. This includes routine checks of engine components, changing filters and fluids at recommended intervals, inspecting and cleaning heat exchangers, and using genuine Nanni spare parts when replacements are needed. Following the manufacturer's guidelines outlined in the Nanni Diesel spare parts catalogue is essential for maintaining the engine's reliability and efficiency in marine applications.