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:
CASTLE NUT - 602102340024 suitable for MWM & Deutz engines
Robust Castle Nut for Various ApplicationsDiscover the Castle nut with the reference number 602102340024, an essential OEM spare part for your engine unit. This usable nut is specially designed suitable for MWM & Deutz engines and ensures a stable connection within the drive system. Weighing only 0.1 kg, it combines lightness and strength, making it ideal for marine and stationary applications.
CASTLE NUT - 358/106/53 suitable for MWM & Deutz engines
Optimal Performance for Your MachinesDiscover the premium castle nut with the comparison number 358/106/53, which is suitable for MWM & Deutz engines. This significant OEM replacement part ensures that all mechanical connections of your engine function flawlessly. Whether in the marine technical field or stationary applications, this castle nut has proven to be very reliable.Quality in Every DetailOur castle nut is specially designed for the series 358 as well as the engine type RBV6M358. It impresses with top-notch manufacturing standards and an ideal fit. Weighing 0.228 kg and with compact dimensions of 5.1 cm x 5.1 cm x 3.3 cm, it offers the optimal size for a secure application. Rely on OEM replacement parts where quality comes first.
CASTLE NUT - 358/118/47 suitable for MWM & Deutz engines
Reliable Castle Nut as OEM Replacement PartDiscover our precise castle nut with the comparison number 358/118/47, which is ideally suited for applications in your engine systems. As an OEM replacement part, this product ensures that you use high-quality components that integrate seamlessly into your systems.Product Information Suitable for Deutz EnginesThis outstanding replacement part is suitable for Deutz engines and meets all necessary standards to support the operational safety of your machines. Weighing 0.118 kg, the castle nut is excellently suited for the high demands in various applications.
CASTLE NUT - 350/131/23 suitable for MWM & Deutz engines
Efficient Castle Nut – Comparison Number 350/131/23 Discover our Castle Nut with the comparison number 350/131/23, a spare part specifically designed. This nut is an essential product when it comes to optimizing the performance of engines. Weighing only 0.072 kg, it shows how the smallest details can have a significant impact on overall performance.Reliable Parts Compatible with MWM & Deutz Engines This Castle Nut is compatible with MWM & Deutz engines. Its design ensures a precise fit, providing reliable functionality for your engine. Rely on the quality of our spare parts, known for their durability and performance. They are specifically designed to enhance the efficiency of your engines.
CASTLE NUT - 602102241615 suitable for MWM & Deutz engines
Reliable OEM Replacement Part: Castle NutDiscover the Castle nut, a high-quality OEM replacement part with the reference number 602102241615, specifically designed to meet all technical requirements. Weighing only 0.035 kg, it is an optimal solution for anyone seeking high-quality engines. Our products are characterized by the highest precision and are crucial for the performance of your machines.Outstanding Quality: Suitable for MWM & DeutzThis Castle nut allows for perfect integration and is suitable for MWM & Deutz engines. In application, you benefit from proven supplier quality that supports the operation of your engines. OEM replacement parts like the Castle nut offer outstanding performance and durability.
CASTLE NUT - 602102200080 suitable for MWM & Deutz engines
Premium Castle Nut for Long-Lasting Engine PerformanceThe castle nut with the part number 602102200080 is an essential component that you need for the smooth operation of your Deutz engines. This OEM replacement part features an exact fit and is specifically suitable for engines from the renowned manufacturer Deutz. With a minimal weight of only 0.009 kg, it allows for easy installation and contributes to the overall efficiency of the machine's performance.Suitable for Deutz EnginesOur castle nut is designed as an OEM replacement part, providing quality that aftermarket alternatives cannot match. The part number 602102200080 ensures that you receive a component that is suitable for your Deutz engines. This specific development ensures that the component harmonizes optimally with all components of your machines.
CASTLE NUT - 350/117/117 suitable for MWM & Deutz engines
Robust Castle Nut for Reliable UseExperience the quality of our castle nut (reference number: 350/117/117), which is specifically designed for applications in high-performance engines. This castle nut belongs to the group of nuts and makes an important contribution to the functionality of your machines. Weighing only 0.004 kg, this castle nut offers a perfect balance between compactness and mechanical stability.
HEXAGON NUT - 602100630042 suitable for MWM & Deutz engines
Hexagon nut with comparison number 602100630042Replacement part suitable for MWM & Deutz engines: The hexagon nut with the comparison number 602100630042 is essential for the flawless operation of your machines. Weighing 0.57 kg, this product impresses with its stability and durability, making it ideal for specific applications in engines.
HEXAGON NUT - 602100630036 suitable for MWM & Deutz engines
Hexagon Nut: Essential Replacement PartDiscover the hexagon nut with the comparison number 602100630036, an essential replacement part that ensures reliable connections in engine applications. Our hexagon nut belongs to the group of nuts and weighs 0.345 kg. It is suitable for MWM & Deutz engines and provides the necessary stability in various applications.Benefits of OEM Replacement Parts in DetailThe hexagon nut is an OEM replacement part produced according to the strict requirements of the respective manufacturer. With us, you receive reliable components, unlike aftermarket products that often do not meet the same standards. Trust in OEM replacement parts for your engines that ensure optimal performance and support longevity.
HEXAGON NUT - 602100630033 suitable for MWM & Deutz engines
Robust Product: Hexagon NutDiscover our Hexagon nut with the comparison number 602100630033, an essential component for the reliable connection of your engines. Weighing 0.27 kg and with a robust design, this Hexagon nut is ideal for use in demanding environments.Suitable for Deutz EnginesOur Hexagon nut is suitable for Deutz engines and provides you with the solution for your requirements. OEM replacement parts are specifically designed to optimize the functionality and longevity of your engines. Trust in our original equipment quality that has proven itself professionally.
HEXAGON NUT - 602100630030 suitable for MWM & Deutz engines
Premium nut suitable for MWM & Deutz enginesExperience the quality of the hexagon nut with the comparison number 602100630030. This OEM spare part is specifically designed for applications where efficiency and reliability of engines are essential. Weighing 0.215 kg, the hexagon nut offers robustness and a perfect fit to ensure optimal performance.Optimal functionality of the nutThe hexagon nut ensures optimal functionality in marine and stationary applications. As OEM spare parts, suitable for MWM & Deutz engines, they meet the highest standards required in engine manufacturing. Rely on quality where it is needed most.
HEXAGON NUT - 602100630027 suitable for MWM & Deutz engines
Reliable Hexagon Nut – OEM Spare PartDiscover the Hexagon nut, a high-quality OEM spare part with the comparison number 602100630027. This product impresses with its compact design and a weight of 0.142 kg. Originally developed, this component is suitable for various applications and offers the robustness to meet the demands in marine and stationary use.Ideally Suitable for MWM & Deutz EnginesThis spare part is designed to fit MWM & Deutz engines. The precise fit of the Hexagon nut ensures that the performance of your engines remains stable. Rely on the high quality of these OEM spare parts, which have been specifically developed for efficient use in various machines.
HEXAGON NUT - 602100630024 suitable for MWM & Deutz engines
The Hexagon Nut 602100630024 in DetailDiscover the hexagon nut with the comparison number 602100630024, a high-quality product that combines precision and robustness. This hexagon nut is essential for your engine and belongs to the product group of nuts. Perfectly suited for various technical applications, it stands out due to its first-class workmanship.Suitable for Deutz EnginesThis hexagon nut is an OEM replacement part designed for Deutz engines. With its solid construction, it reliably ensures that all internal engine components are securely fastened. Its quality significantly contributes to the longevity of our engines.
HEXAGON NUT - 628/49/6/05025998 suitable for MWM & Deutz engines
Robust Hexagon Nut for Efficient ApplicationsDiscover the hexagon nut with the comparison number 628/49/6/05025998, a powerful OEM replacement part for reliable use in engines. This hexagon nut is offered as a suitable replacement part specifically for MWM & Deutz engines and impresses with its excellent fit and stability. Weighing 0.46 kg, it provides the necessary support and safety in your machine.
HEXAGON NUT - 358/149/13 suitable for MWM & Deutz engines
Strong Product: Hexagon Nut with Comparison Number 358/149/13Discover our Hexagon Nut with the comparison number 358/149/13 – an essential product for reliable connections in your applications. Weighing 0.223 kg, this precise Hexagon Nut is characterized by durability. It is specially designed to meet the demands of modern engines.
HEXAGON NUT - 628/15/9/05025952 suitable for MWM & Deutz engines
Hexagon Nut – OEM Replacement Part for Maximum PerformanceDiscover our Hexagon nut, an essential product specifically designed for engines identified by the comparison number 628/15/9/05025952. This reliable fastener is suitable for Deutz engines of the 604 DIESEL series. It offers the quality and durability you expect from OEM replacement parts.Precise Dimensions for Powerful EnginesThe Hexagon nut impresses with its compact dimensions of 4 cm in length, 4 cm in width, and 2.3 cm in height. Weighing only 0.089 kg, the product is easy to handle. These features make the replacement part ideally suited for Deutz engines, even in the smallest installation spaces, to meet high demands and ensure operational reliability.
HEXAGON NUT - 358/108/36 suitable for MWM & Deutz engines
Precision in Engineering: Hexagon Nut for EnginesDiscover the hexagon nut with the comparison number 358/108/36, an essential OEM spare part specifically designed for the requirements of MWM & Deutz engines. This component ensures a precise fit and is indispensable for the reliable operation of your engines. OEM spare parts represent the highest quality that industry professionals can trust.Suitable for MWM & Deutz EnginesThe comparison number 358/108/36 refers to our product, which is ideally suited for repairing or maintaining parts compatible with MWM & Deutz engines. Weighing 0.06 kg, this component is not only lightweight but also robust and durable. The dedicated manufacturing ensures that the spare part meets the specific demands of the industry.
HEXAGON NUT - 628/87/50/05061535 suitable for MWM & Deutz engines
Premium Hexagon Nut for Your Engine ApplicationsDiscover our premium hexagon nut, a replacement part that offers precision essential for the performance of your engines. With the comparison number 628/87/50/05061535, this product is particularly well suited to your requirements and ensures a reliable connection designed for the demands of marine and stationary use.Suitable for Deutz – Perfect Compatibility AssuredThis hexagon nut is suitable for Deutz engines of the series 528 as well as the engine type SBA8M528. It is manufactured to work seamlessly with other components, providing maximum efficiency and durability. Weighing only 0.07 kg, it simplifies installation and handling, making it an indispensable component for your machinery.
HEXAGON NUT - 628/19/4/05025974 suitable for MWM & Deutz engines
Reliable Hexagon Nut – Efficiency for Your ApplicationEnsure the reliable operation of your machines with our Hexagon nut (comparison number: 628/19/4/05025974). This robust nuts solution is essential for engines that demand maximum performance. The product is suitable for models Deutz 493, Deutz 538, and Deutz 628, as well as for engine types compatible with 12V493, 16V538TB93, BV16M628, and SBV16M628. Rely on outstanding quality with an OEM spare part that has been specifically designed to meet the industry's requirements.
HEXAGON NUT - 628/49/4/05026403 suitable for MWM & Deutz engines
User-Friendly Hexagon Nut for Various EnginesDiscover the product with the comparison number 628/49/4/05026403 – a hexagon nut that is precisely suitable for Deutz engines. This OEM replacement part belongs to the nuts product group. Trust in the precision and manufacturing accuracy that only OEM replacement parts can offer.
HEXAGON NUT - 628/32/11/05032778 suitable for MWM & Deutz engines
Efficient Hexagon Nut for EnginesDiscover the Hexagon nut with the comparison number 628/32/11/05032778, which is an essential part for your suitable for Deutz engines. This carefully crafted Hexagon nut belongs to the group of Nuts and meets the highest standards of safety and durability. Weighing only 0.034 kg, it integrates ideally into your drive systems and ensures optimal connections.
HEXAGON NUT - 2915021004 suitable for Bosch engines
Robust Hexagon Nut for High-Performance EnginesDiscover the hexagon nut with the comparison number 2915021004, an essential OEM spare part specifically designed for the highest demands in MWM & Deutz engines. This product offers you the necessary efficiency and safety to ensure the reliable function of your engines in marine and stationary applications, without compromising on quality. Weighing only 0.04 kg, this component is perfectly suited for your applications.
HEXAGON NUT - 606904550377 suitable for MWM & Deutz engines
Reliable Product: Hexagon NutDiscover our Hexagon nut, the OEM replacement part with the comparison number 606904550377, designed specifically to optimally support engines. This nut belongs to the article group of Nuts and is essential for reliable assembly in engine technology. Weighing only 0.02 kg, it is perfectly suitable for efficient use in various applications.Suitable for Deutz EnginesOur product is suitable for engines from Deutz and meets high standards. At MOPA Motorparts, we offer a massive selection of over 1 million replacement parts, ensuring you find exactly the right component to meet your specific requirements. Rely on our OEM replacement parts to enhance the performance of your machines.
HEXAGON NUT - 628/9/6/05034819 suitable for MWM & Deutz engines
Robust Hexagon Nut for High DemandsDiscover our hexagon nut (comparison number: 628/9/6/05034819), an essential replacement part that you can confidently use for your technical requirements. This product impresses with its ideal dimensions and a lightweight of only 0.023 kg, making it a practical solution for various engine configurations.
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.