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:
HEX COLLAR NUT - N1011012169 suitable for MAN D engines
Hex collar nut with comparison number N1011012169 Discover the hex collar nut with the comparison number N1011012169, an essential product for your engines. This hex collar nut is specifically designed as an OEM spare part and offers optimal performance and reliable fastening properties.OEM spare parts suitable for MAN D engines Our hex collar nut is suitable for MAN D engines and ensures excellent fit accuracy. At MOPA Motorparts, we understand the importance of carefully selected spare parts. The product combines durability and precision, so you don't have to make any compromises.
NUT - N1011012168 suitable for MAN D engines
Robust Nut suitable for MAN D EnginesDiscover the nut with the comparison number N1011012168, specifically designed for MAN D engines. As an OEM spare part, this item offers the quality you can expect from a reliable product. Our range includes only spare parts for engines, so you can depend on the durability of your engine.Reliability through the Comparison NumberThis comparison number N1011012168 indicates that it is a high-quality OEM spare part. The nut is precisely fitting and provides the stability necessary to optimally operate your MAN D engines. Trust in tested quality that is specifically designed for demanding applications.
NUT - N1011011473 suitable for MAN D engines
Reliable Nut with Reference Number N1011011473Discover our nut with the reference number N1011011473, which is perfectly suited as an OEM replacement part for your applications. This product ensures a precise integration into existing systems.
NUT - N1011010726 suitable for MAN D engines
Quality Product Suitable for MAN D EnginesDiscover our product, the Nut with the comparison number N1011010726, suitable for MAN D engines. This OEM replacement part impresses with its high precision and durability and is specifically designed for diesel and gas engines. Rely on quality that pays off in your work with engines.Reliable Quality and Manufacturer Compatibility This Nut belongs to the group of Nuts and is an essential component that is perfectly tailored to the requirements of MAN D engines. The OEM replacement part is indispensable for smooth operation and supports the challenges that industry and marine applications place on engines.
NUT - N1011007439 suitable for MAN D engines
Robust Replacement Part for EnginesDiscover our OEM replacement part, the Nut with the comparison number N1011007439. This product offers you quality that you can expect from a manufacturer. With this nut, you are well equipped for the challenges in maritime or stationary applications.Suitable for MAN D EnginesThe Nut is suitable for MAN D engines and is essential for the operation of your engines. Due to its perfect fit, it enables a secure connection and supports the efficiency of your systems. Trust in the selection of over 1 million replacement parts in our range.
TENSIONING NUT - N1011001210 suitable for MAN D engines
Tensioning Nut with Comparison Number N1011001210Discover our product – the tensioning nut with the comparison number N1011001210. This OEM spare part offers maximum reliability and precision fit. Specifically designed to meet the demands of professional users, the tensioning nut is ideal for use in diesel and gas engines.Suitable for MAN D EnginesThe tensioning nut is suitable for MAN D engines and ensures optimal functionality of your systems. The comparison number N1011001210 helps you quickly identify the right part. Trust in the quality of our OEM spare parts, which provide the highest performance and durability.
SLOTTED ROUND NUT - LAZ0637501032 suitable for MTU engines
Slotted round nut for reliable enginesDiscover our slotted round nut with the comparison number LAZ0637501032, an excellent OEM replacement part that is perfectly suited for MTU engines. Thanks to precise manufacturing, this component offers outstanding functionality and supports your engines in their operation.Rely on top-notch qualityThis slotted round nut is specifically designed for engines that require matching components. As a provider of OEM replacement parts, we ensure that all products, including the comparison number LAZ0637501032, meet the highest standards and seamlessly integrate into your applications.
HEXAGON NUT - K0002247363 suitable for MAN D engines
Robust Hexagon Nut for Your Use Discover our hexagon nut with the comparison number K0002247363, setting standards in quality. This OEM spare part is indispensable for applications in marine and stationary areas as well as for locomotives.Hexagon Nut Compatible with MAN D Engines Our hexagon nut is compatible with MAN D engines and meets the highest standards of original equipment manufacturer quality. Weighing only 0.001 kg, it provides the necessary stability for long-lasting engine performance. Rely on the precision and reliability that OEM spare parts offer.
HEXAGON NUT - K0002246593 suitable for MAN D engines
Reliable Hexagon Nut with Comparison Number K0002246593The hexagon nut with comparison number K0002246593 is an essential OEM replacement part designed for optimal connection of your engine components. This hexagon nut is easy to handle and ideal for professional use in marine and stationary technology.Excellent Quality for MAN D EnginesThis product is suitable for MAN D engines and offers you the reliability you expect from an OEM replacement part. Weighing only 0.025 kg, the hexagon nut is specifically tailored to the needs of the components and impresses with its durable design.
HEXAGON NUT - K0001138551 suitable for MAN D engines
Precise Product: Hexagon Nut K0001138551Discover the hexagon nut with the reference number K0001138551, an indispensable product for your machines. This nut impresses with its high quality and functionality and is specifically designed as an OEM spare part. It belongs to the category of nuts, which ensures an optimal fit and thus the stability of engines. Its compact design with a weight of only 0.007 kg makes it ideal for use in various applications.Excellent Compatibility: Suitable for MAN DThis spare part is suitable for MAN D engines and ensures that your equipment runs smoothly. When choosing components, it is crucial to pay attention to quality. Our OEM spare parts offer you unparalleled reliability and performance compared to aftermarket solutions. By opting for products that are precisely tailored to your requirements, you secure maximum effectiveness of your engines.
NUT - 999900008000 suitable for MTU engines
Product with Reference Number 999900008000: Nut suitable for MTU EnginesThe product with reference number 999900008000 is a Nut that plays a significant role as an OEM replacement part in the maintenance of MTU engines. This Nut is suitable for various MTU engine series and types, thereby supporting the flawless function and stability of the engines used. Due to precise manufacturing, the product integrates optimally into the respective engine context.Nut as OEM Replacement Part suitable for MTU Engines and SeriesThis Nut is suitable for the manufacturer MTU and specifically designed for the series suitable for MTU 2000, suitable for MTU 183, and suitable for MTU 1163. The product fits engine types such as suitable for MTU 10V2000M93, suitable for MTU 12V183TE94, suitable for MTU 12V2000M70, suitable for MTU 12V2000M93, suitable for MTU 16V1163TB73L, suitable for MTU 16V2000M90, and suitable for MTU 20V1163TB93. With a weight of 0.0056 kg and dimensions of 1.5 cm length, 1.5 cm width, and 1.1 cm height, the Nut precisely supports the mechanical function of the MTU engines.
HEXAGON NUT - 9909908008 suitable for MTU engines
Hexagon Nut with Comparison Number 9909908008Discover the hexagon nut with the comparison number 9909908008, an important OEM spare part for your compatible MTU engines. This hexagon nut ensures a stable connection and is essential for the smooth operation of your engines.Suitable for MTU Engines – Quality that ImpressesOur product is suitable for MTU engines and meets high standards. As OEM spare parts, they offer a precise fit for your machines, allowing you to rely on the functionality of your engines.
HEXAGON NUT - 9909905919 suitable for MTU engines
Precise Hexagon Nut for Your NeedsDiscover the hexagon nut (comparison number: 9909905919), an essential OEM spare part compatible with MTU engines. With its precise design, this nut ensures a secure connection in demanding applications.
NUT - 9909905317 suitable for MTU engines
Precise Nut with Comparison Number 9909905317Discover the precise nut with the comparison number 9909905317, an essential OEM spare part for your engines. This nut is designed to fit MTU engines and offers you the reliability of optimal performance. Weighing only 0.009 kg, this product is lightweight and robust, ideal for diesel-powered applications.Optimally Sized for Various ApplicationsThe dimensions of the nut are crucial: it has a length and width of 1.8 cm each, as well as a height of 0.9 cm. This product is suitable for various applications in maritime and stationary use. Its precise measurements ensure that you can always rely on the smooth functioning of your engines.
NUT - 9909901250 suitable for MTU engines
Premium Nut with Comparison Number 9909901250Discover the nut with the comparison number 9909901250, an essential OEM spare part specifically designed for applications requiring engines suitable for MTU. This product ensures that your engine runs efficiently and reliably.Excellent Fit for Your EnginesThe comparison number 9909901250 ensures that this nut harmonizes optimally with other components and provides a durable solution. Trust our experience in distributing OEM spare parts to make the best choice for your needs.
NUT - 9909900950 suitable for MTU engines
Robust Nut suitable for MTU EnginesDiscover our Nut with the comparison number 9909900950, developed as an OEM replacement part. This Nut is suitable for MTU engines and ensures perfect installation and smooth operation.
UNION NUT - 915001013000 suitable for MTU engines
Precise Union Nut with Reference Number 915001013000Discover the union nut with reference number 915001013000, specially designed for the efficient functioning of engines. This OEM replacement part impresses with its exact fit and is essential for the reliable operation of engines in marine and stationary applications. With its compact dimensions of 3.1 cm in length and width and a height of 1.6 cm, the union nut is not only lightweight but also optimally sized for your requirements.Reliability for Your EnginesThe union nut, compatible with MTU engines, ensures long-term use without disruptions thanks to precise manufacturing. The quality of reference number 915001013000 ensures that your engines operate efficiently. In an industry where every moment counts, you can rely on the performance of our OEM replacement parts.
NUT - 8M16X1,5N15001 suitable for MTU engines
Reliable Nut for Your MachinesDiscover our nut with the reference number 8M16X1,5N15001, which has been specifically designed to meet your requirements. This high-quality product is an essential OEM spare part that ensures the mechanical integrity of your machines. Our nut is a crucial component, suitable for MTU engines of the series 331,493, thus ensuring the reliable operation of your engines.Suitable for MTU EnginesWith careful construction, this nut fits perfectly with engine types 12V331TC92 and 12V493. Using parts that are suitable for MTU engines ensures high reliability and efficiency. The use of our OEM spare parts means you can rely on the manufacturer’s quality, unlike aftermarket products that often do not provide the same fit.
NUT - 915001004005 suitable for MTU engines
Precise Nut Suitable for MTU EnginesDiscover our nut, designed as an OEM replacement part compatible with the engines of the MTU series 331, 396, and 1163. With the comparison number 915001004005, this product is a reliable choice for those who demand the highest precision in application. This nut is suitable for the engine types 12V331TC92, 12V396TE84, and 20V1163TB82, providing you with the quality needed for marine and stationary engines or locomotives.Ideal for Engines and PerformanceWeighing only 0.016 kg, the nut demonstrates both robustness and lightness. Its tailored design ensures a perfect fit and optimizes the performance of your engines. Trust our experience in the field of OEM replacement parts to ensure that your drive system remains efficient and reliable.
NUT - 4.40358 suitable for MTU engines
Premium Nut for EnginesDiscover the nut with the comparison number 4.40358, an essential OEM spare part specifically designed for engines compatible with MTU. This product offers the highest quality and reliability you can expect from an OEM spare part.
NOZZLE CAP NUT - 90816954090 suitable for MAN D engines
Nozzle cap nut with comparison number 90816954090The nozzle cap nut with the comparison number 90816954090 is a top-quality product specifically designed to meet your spare parts requirements. This OEM spare part offers an optimal fit and quality, suitable for MAN D engines. Weighing only 0.055 kg, the nozzle cap nut excels in functionality and durability across various applications, be it in marine use, stationary applications, or locomotives.Reliable OEM spare parts for your machinesHere, you will find exclusively OEM spare parts in original equipment manufacturer quality at attractive prices. The nozzle cap nut is an essential component, compatible with MAN D engines, known for its high reliability. Our customers appreciate the quality of the spare parts we offer and the assurance that they will function long-term in their machines.
HEXAGON NUT - 90801137140 suitable for MAN D engines
Robust Hexagon Nut for Diesel and Gas EnginesDiscover the hexagon nut with the reference number 90801137140, which is suitable for MAN D engines. This OEM replacement part offers you excellent compatibility and ensures that your engines can operate under optimal conditions. Each of these OEM replacement parts is designed for durability, allowing you to run your diesel and gas engines efficiently.
UNION NUT - 88981500008 suitable for MAN D engines
Optimal Engine Component: Union NutDiscover our precisely manufactured product, the Union nut with the comparison number 88981500008, compatible with MAN D engines. This Union nut belongs to the category of Nuts and offers perfect functionality for your engines. Weighing only 0.04 kg, the spare part is both lightweight and durable, simplifying replacement and making maintenance efficient.Original Equipment Quality for MAN D EnginesOur product is an OEM replacement part that meets the highest standards. The Union nut is also suitable for MAN D engines and provides excellent performance. Take advantage of OEM replacement parts that offer you the same reliability as the comparable component. This way, you benefit from quality at an attractive price.
UNION NUT - 88981380001 suitable for MAN D engines
Union nut Comparison Number 88981380001Discover the union nut with the comparison number 88981380001. This product is suitable for MAN D engines and belongs to the category of nuts. With a weight of only 0.02 kg, the union nut offers an optimal combination of lightness and stability to operate your engines more efficiently.Rely on Premium Spare PartsOur union nut is an OEM replacement part that meets the highest standards in original equipment manufacturer quality. You can trust that this product is suitable for MAN D engines and meets all requirements. It is crucial that your engines operate smoothly at all times. Therefore, we only offer you top-notch OEM replacement parts at attractive prices.
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.