Screw nuts – secure fastening for engine systems
Screw nuts are fundamental components for assembling and securing mechanical structures, especially in engine and industrial systems. Whether used in combustion engines, marine machinery or stationary equipment – high-quality screw nuts ensure reliable fastening under high loads, vibrations and temperature fluctuations. They are essential for safety, serviceability and long-term performance.
Choose from following:
HEXAGON NUT - 65905010007 suitable for MAN D-engines
Hexagon nut 65905010007: Your Spare Part for EnginesThe Hexagon nut with the comparison number 65905010007 is an essential OEM spare part that is suitable for MAN D engines. This Hexagon nut provides the necessary grip and stability required in demanding applications. At MOPA Motorparts, our focus is on offering tailored parts designed to meet observed requirements.
HEXAGON NUT - 65905010006 suitable for MAN D-engines
Quality Hexagon Nut for Your ApplicationsDiscover our hexagon nut (comparison number: 65905010006), an indispensable product that optimizes the functionality of your engines. The hexagon nut belongs to the category of nuts and offers stability for durable applications. This OEM replacement part is perfectly suited for demanding environments in marine and stationary use.
HEXAGON NUT - 65905010005 suitable for MAN D-engines
Robust Hexagon nut for reliable engine performance Discover our Hexagon nut, the OEM replacement part compatible with MAN D engines. With the comparative number 65905010005, you receive a product that offers quality and precision. This Hexagon nut ensures that your engines function optimally at all times and is an essential element for overall performance.
HEXAGON NUT - 65905010004 suitable for MAN D-engines
Reliability of the Hexagon NutDiscover the hexagon nut with the comparison number 65905010004, an essential product for your needs in the engine sector. This OEM spare part is specifically designed to meet the requirements of engines and stands for durability and precision in use.Suitable Solution for MAN D EnginesThe hexagon nut, suitable for MAN D engines, offers excellent strength and safety. This quality component meets the high standards required by professional applications in the field of diesel and gas engines. Experience the excellent performance in marine and stationary applications as well as in locomotives.
HEXAGON NUT - 65905010003 suitable for MAN D-engines
Robust Hexagon Nut – an indispensable componentDiscover our hexagon nut with the comparison number 65905010003, the ideal solution for engines that require a reliable hold. This hexagon nut is specifically compatible with MAN D engines and offers the quality you expect.Precise OEM spare parts for high-performance enginesOur OEM spare parts include only products that can be perfectly integrated into your machinery. Compared to aftermarket products, this hexagon nut compatible with MAN D ensures exact fit and optimal functionality.
HEXAGON NUT - 65905010002 suitable for MAN D-engines
Precise Hexagon Nut for Individual RequirementsDiscover our hexagon nut, comparison number 65905010002, which is ideal for your applications. This precise product is essential for smooth operations in your business and has been specifically developed to meet the demands of the industry.
- 65905010001 suitable for MAN D-engines
Blind Rivet Nut M8 – Technical PerfectionThe Blind Rivet Nut M8 (Comparison number: 65905010001) is an essential OEM spare part specifically designed to meet high demands in engine applications. This product belongs to the category of Holders, plates and flanges and impresses with its durability and reliability.Suitable for MAN D Engines – Tested QualityThis Blind Rivet Nut is suitable for MAN D engines and offers an optimal connection in the demanding operation of diesel and gas engines. With over 25 years of experience in the industry, we provide you with top-notch products, including OEM spare parts that prove themselves in every situation.
- 65905010000 suitable for MAN D-engines
Safety and Reliability: Hex Lock Nut m18x1.5Discover the hex lock nut m18x1.5 (comparison number: 65905010000), an essential OEM spare part suitable for MAN D engines. This reliable lock nut offers the quality you expect from a product in original equipment manufacturer quality.Suitable for MAN D: Engine Components for EfficiencyOur product is perfectly suited and ensures precise installation. It belongs to the category of holders, plates and flanges. This ensures that your engines operate efficiently and safely, whether used in maritime or stationary applications.
- 65455030000 suitable for MAN D-engines
Hexagon Nut a-m14x1.5-10-sw19 DiscoverDiscover the hexagon nut a-m14x1.5-10-sw19, a valuable OEM replacement part. This hexagon nut, with the reference number 65455030000, is an essential component that contributes to the longevity of your engines.Special Suitability for MAN D EnginesThis OEM replacement part is suitable for MAN D engines and provides you with the reliability of high-quality craftsmanship, allowing you to depend on the functionality of your equipment. Compared to aftermarket products, the advantages offered by authentic OEM replacement parts become evident.
Übersetzung fehlt noch! - 64906500003 suitable for MAN D-engines
Übersetzung fehlt noch! with the comparison number 64906500003 suitable for MAN D-engines
- 51981410009 suitable for MAN D-engines
Reliable Hexagonal Sealing Nut Functional Nut EO The hexagonal sealing nut functional nut EO with the comparison number 51981410009 is an essential OEM replacement part for efficient engines. This product provides optimal sealing in lines and pipes, making it a proven solution for versatile applications.Article Suitable for MAN D Engines in Use This component is suitable for MAN D engines and contributes to the stability and functionality of your machinery. Rely on OEM replacement parts that meet the highest quality standards and are specifically developed to meet the requirements of engines used in marine and stationary applications.
UNION NUT - 51981380019 suitable for MAN D-engines
Union nut: Ideal for Your Engines Discover our union nut (comparison number: 51981380019), an important product for your engines. This OEM spare part is specifically designed to ensure seamless integration into your machines. Weighing just 0.01 kg, it is easy to handle, while its reliability ensures everything works smoothly.Suitable for MAN D Engines Our union nut is perfectly suitable for MAN D engines, which means you are choosing quality with this Original Equipment Manufacturer (OEM) spare part. The precise design ensures a perfect fit and functionality. Rely on OEM spare parts that optimize the performance of your machines.
HEXAGON NUT - 51910200309 suitable for MAN D-engines
Strong Hexagon Nut for Your Engines Discover the Hexagon nut, an essential product with the comparison number 51910200309, specifically designed for use in demanding engines. This Hexagon nut is the ideal choice for your requirements as an OEM replacement part.Spare Parts Suitable for MAN D Engines This component is suitable for MAN D engines and ensures the reliable functioning of your drive technology. Your engines benefit from the precise manufacturing and high material quality of the OEM replacement part, allowing for long-term performance expectations.
TENSIONING NUT - 51906850039 suitable for MAN D engines
Precise Tensioning Nut for Efficient EnginesThe tensioning nut with the comparison number 51906850039 is an essential product specifically designed for the requirements of MAN D engines. This OEM spare part belongs to the category of nuts and offers a perfectly tailored solution for those who rely on reliable spare parts. The tensioning nut ensures optimal functionality, so nothing stands in the way of operational efficiency.
HEXAGON NUT - 51906850023 suitable for MAN D engines
Hexagon nut with comparison number 51906850023Discover the hexagon nut with comparison number 51906850023 – an essential OEM spare part tailored to the specific requirements of engines. This hexagon nut belongs to the category of nuts and is designed to fit MAN D engines. It supports the D2876 series, particularly the engine type D2876LE301. Its excellent workmanship and use of materials ensure that it can be reliably used even in demanding applications.Reliability and precision in every detailWeighing only 0.015 kg and with compact dimensions of 2.8 cm in length and width and 0.5 cm in height, this hexagon nut allows for easy handling and installation. It is crucial that such OEM spare parts fit precisely to promote maximum efficiency and a long lifespan for the engines. At MOPA Motorparts, we prioritize precision and quality in every detail.
KNURLED NUT - 51906800002 suitable for MAN D-engines
Customized Knurled Nut for PerfectionDiscover the knurled nut with the comparison number 51906800002, an essential spare part suitable for MAN D engines. This precisely manufactured knurled nut belongs to the nuts category and weighs only 0.02 kg. With this product, you invest in exact fit and durability, which is indispensable for the reliable operation of your engines.
HEX CAP NUT - 51906720013 suitable for MAN D-engines
Premium Hex Cap Nut – Excellent Comparison!Our hex cap nut with the part number 51906720013 is an essential product precisely tailored to the needs of engines. It offers outstanding reliability and ensures that your machines function optimally. In the article group "nuts," this spare part is one of the most significant components for maintenance.Suitable for MAN D Engines – Quality SelectionThis OEM spare part, suitable for MAN D engines, provides high functionality and an excellent fit. Weighing only 0.1 kg, the hex cap nut impresses with its excellent handling. Rely on precision to minimize your maintenance needs and increase the efficiency of your engines.
COLLAR NUT - 51906400039 suitable for MAN D-engines
Robust Collar Nut suitable for MAN D enginesDiscover the OEM replacement part collar nut with the comparison number 51906400039. This product is perfectly suited to maximize the performance of your engines. The collar nut is known for its reliability and is an essential component when it comes to diesel and gas engines, especially for models suitable for MAN D.Top quality in premium itemsOur collar nut is a member of the item group "Nuts" and ensures excellent fitting accuracy. This OEM replacement part ensures that your machines remain operational at all times. Rely on the comparison number 51906400039 to provide quality that lasts.
- 51906400038 suitable for MAN D-engines
Reliable Product for Optimal Engine ApplicationsDiscover the hexagonal lock nut M16x1.5mk- with the comparison number 51906400038 – an essential OEM spare part for comprehensive engine applications. Thanks to its precise manufacturing, it meets the highest standards and provides excellent sealing, specifically designed for MAN D engines.
COLLAR NUT - 51906400037 suitable for MAN D-engines
Unique Collar Nut for Your Engine NeedsDiscover the collar nut with the comparison number 51906400037 – a top-quality OEM replacement part optimized for the requirements of efficient engines. This product belongs to the group of nuts and is designed to fit MAN D engines.Precision Engineering for MAN D EnginesThe collar nut with the comparison number 51906400037 is an element specifically developed for MAN D engines. As an OEM replacement part, it offers reliable performance and is ideal for marine and stationary applications as well as for locomotives.
- 51906400036 suitable for MAN D-engines
Reliable Hexagon Nut for Your EnginesDiscover the hexagon nut M16x1.5-06-sw22-c45, a top-quality replacement part that exceeds your expectations. The comparison number 51906400036 allows for easy identification and ensures that you choose the right product. This component is suitable for MAN D engines and meets the highest quality standards in demanding applications.
HEX COLLAR NUT - 51906400032 suitable for MAN D-engines
Excellent Hex Collar Nut: A Reliable ProductDiscover the hex collar nut with comparison number 51906400032. This product is stable and an essential element in the category of OEM spare parts. With carefully selected materials, the hex collar nut meets the standards required by modern engines, particularly in critical applications.Compatible with MAN D EnginesOur hex collar nut is compatible with MAN D engines and plays a crucial role in connecting important components. Weighing 0.14 kg, this OEM spare part ensures optimal handling and a lasting performance range that you can use efficiently. Rely on the quality you are looking for!Internal Control for Highest StandardsWe place great importance on internal control to ensure that every OEM spare part exceeds your expectations. Our hex collar nut with comparison number 51906400032 meets all necessary quality criteria, as it has been designed to fit MAN D engines and offers excellent durability.
HEX COLLAR NUT - 51906400031 suitable for MAN D-engines
Hex Collar Nut: Reliable Spare PartDiscover the reliable product with the comparison number 51906400031, a hex collar nut that meets the highest demands for functionality. This OEM spare part is specifically suitable for MAN D engines. Here, the construction impresses with durability and optimally ensures the performance of your engines.
HEX COLLAR NUT - 51906400029 suitable for MAN D-engines
Unique Hex Collar Nut: Comparison Number 51906400029Discover the hex collar nut with the comparison number 51906400029, a premium OEM spare part specifically designed to meet the highest demands. This nut is characterized by its high load capacity and is used in engines where reliability is of utmost importance. With a weight of 0.084 kg and a compact size of 6 cm in width and length as well as 1 cm in height, it seamlessly integrates into your system.Optimal Performance: Suitable for MAN D EnginesThe hex collar nut 51906400029 is designed to fit MAN D engines. Its thoughtful design allows for an excellent connection and ensures the necessary stability under extreme operating conditions. During assembly, the hex shape provides precise pressure transmission, making maintenance work significantly easier.
Function and advantages
Screw nuts work in combination with bolts or studs to create strong, threaded connections. In engine systems, a proper engine nut or motor nut must withstand dynamic forces and temperature-related expansion. Key benefits include:
- Secure locking of mechanical components under stress
- Resistance to loosening under vibration
- Easy assembly and disassembly for maintenance
In high-precision systems, mechanical nuts often feature locking mechanisms, flange bases or specialized coatings to enhance grip and corrosion resistance.
Applications and types
Engine nuts are used to fasten cylinder heads, manifolds, brackets and rotating assemblies. Motor nuts are common in alternators, starters, pumps and other auxiliary components. Depending on the application, mechanic nuts can be hex nuts, locknuts, self-locking nuts or high-temperature nuts.
For industrial and marine use, mechanical nuts are often made of stainless steel or alloyed materials to withstand corrosion, vibration and thermal cycles. Our range includes all standard types and sizes suitable for MTU, MAN, Volvo Penta, Deutz and MWM engines.
Availability and sourcing
We stock a wide selection of screw nuts and related fasteners for engines, industrial equipment and marine applications. As experienced screws and nuts suppliers, we provide OEM-quality with fast delivery, technical support and high availability – ideal for overhauls, repairs or production sourcing.
FAQ
What are screw nuts used for in engines?
Screw nuts in engines are used to secure critical components such as cylinder heads, exhaust systems, brackets and rotating parts. They must withstand heat, vibration and mechanical stress without loosening.
What is the difference between mechanical nuts and mechanic nuts?
“Mechanical nuts” refers to all technical fasteners used in machines, while “mechanic nuts” is a more informal term often used in workshop contexts. Both describe the same parts but are used in different settings.
Where can I buy engine nuts and motor nuts?
Engine nuts and motor nuts are available from specialized screws and nuts suppliers like us. We offer a wide range of standard and special fasteners for diesel and gas engines, with OEM compatibility and fast shipping.