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 - 85200010862 suitable for MAN D engines
Hexagon nut for MAN D enginesDiscover the hexagon nut with the comparison number 85200010862, an essential spare part specifically designed for applications in marine and stationary use. This product impresses with its excellent quality and is suitable for MAN D engines that operate in demanding environments.OEM spare parts for the highest standardsThe hexagon nut with the comparison number 85200010862 is an OEM spare part that offers perfect fit and durability. Unlike aftermarket solutions that may bring deviations in quality, our OEM spare parts provide a precise fit that is essential for the smooth operation of your MAN D engines.
NUT - 85200009361 suitable for MAN D engines
Reliable Replacement Part Suitable for MAN D EnginesThe Nut with the comparison number 85200009361 is a reliable OEM replacement part that meets high demands. This component is specifically suitable for MAN D engines and ensures the optimal functionality of your machines. Weighing only 0.02 kg, it remains lightweight and versatile, ideal for professional use in marine and stationary applications.Precision and Quality in DetailThe comparison number 85200009361 indicates an OEM replacement part designed to provide exact fit and durability. As part of the article group nuts, this product meets all the requirements that engines in intensive use demand. Trust in our many years of experience and the quality our range offers.
HEXAGON NUT - 85200009360 suitable for MAN D engines
Reliable Hexagon Nut with Comparison Number 85200009360Discover our reliable product, the hexagon nut with comparison number 85200009360. This OEM replacement part is specifically designed to meet the highest demands in application. Weighing only 0.03 kg, it provides an ideal solution for your specific needs and ensures precise fit for engines.
SPEED NUT - 85200009201 suitable for MAN D engines
Speed nut suitable for MAN D enginesDiscover the speed nut with the reference number 85200009201, which fits reliably for MAN D engines. This OEM replacement part offers you the optimal fit that is essential for safe operation in marine and stationary applications. Weighing only 0.01 kg, the speed nut is lightweight and extremely durable, ideal for long-term use.
NUT - 85200001398 suitable for MAN D engines
Reliable Solution: Nut Suitable for MAN D EnginesDiscover our nut with the comparison number 85200001398, an essential OEM spare part that is perfectly suitable for maintaining your MAN D engines. The excellent quality of this product ensures an ideal fit, which is crucial for the efficient operation of your engines. Rely on our years of experience to obtain reliable components for your needs.Precise Fit for Your ApplicationsWeighing only 0.05 kg, this nut is not only lightweight but also easy to install and handle. The product belongs to the "nuts" article group and provides an outstanding solution for repairs and maintenance in your operation. Our OEM spare parts meet the highest standards and are designed to fit perfectly for MAN D engines.
NUT - 85100003133 suitable for MAN D engines
Precise Information about Nut – Reference Number 85100003133Discover the Nut with the reference number 85100003133, specifically designed to be compatible with MAN D engines. This OEM spare part offers reliable fit and functionality and is ideal for various applications in the industry. Weighing only 0.01 kg, this product is easy to handle and perfectly suited for your operations.Quality and Trust in OEM Spare PartsThe Nut belongs to the category of Nuts and provides an excellent fit. As an OEM spare part, it ensures the quality you can expect from an original equipment manufacturer. Rely on the features that only true OEM spare parts can provide, so that your engines operate efficiently.
NOZZLE CAP NUT - 85100003075 suitable for MAN D engines
Nozzle cap nut with reference number 85100003075Discover the nozzle cap nut with the reference number 85100003075 – an essential OEM spare part, suitable for MAN D engines. Weighing only 0.04 kg, this product offers an ideal combination of robustness and efficiency, perfectly suited for use in demanding maritime as well as stationary applications.OEM spare parts for your enginesThe nozzle cap nut belongs to the category of nuts and plays a crucial role in the secure connection of your engines. As an OEM spare part, it ensures the quality and reliability that are essential for engines. Rely on top-notch components to ensure that your engines operate at their best.
NOZZLE CAP NUT - 85100002964 suitable for MAN D engines
Nozzle Cap Nut for Engine NeedsDiscover the Nozzle cap nut (comparison number: 85100002964), an essential product from our category of OEM spare parts. This Nozzle cap nut is suitable for MAN D engines and offers a perfect fit as well as reliable performance. Weighing only 0.4 kg, this product is compact and optimized for demanding operating conditions.High Quality for Your ApplicationsOur Nozzle cap nut impresses with its OEM spare part quality. Each individual product, such as the Nozzle cap nut, undergoes strict internal control to ensure the highest reliability. Benefit from original equipment manufacturer quality at attractive prices and keep your engines in optimal condition at all times.
ACORN NUT - 85100002551 suitable for MAN D engines
Acorn Nut for Reliable UseDiscover the acorn nut with the comparison number 85100002551, an essential product for your needs. This precision-crafted component is suitable for MAN D engines and belongs to the category of nuts. Weighing only 0.04 kg, it provides optimal grip and safety for your engines, which is crucial for smooth operation.Premium Quality of OEM Spare PartsIn our range, you will find a variety of over 1 million spare parts, including this outstanding OEM spare part. Our acorn nut with the comparison number 85100002551 meets the highest standards and ensures that your engines always operate efficiently. Rely on our extensive experience to optimize the performance of your diesel and gas engines.
NOZZLE CAP NUT - 85100002487 suitable for MAN D engines
Nozzle cap nut with comparison number 85100002487Discover the nozzle cap nut with comparison number 85100002487, an essential product from the category of nuts. This nozzle cap nut weighs only 0.01 kg and combines lightweight design with high functionality – ideal for use in marine and stationary engines as well as locomotives.OEM replacement part for your enginesWe offer you an OEM replacement part that stands out for its exceptional quality and fit. This nozzle cap nut is suitable for MAN D engines and ensures the reliability you seek.
HEXAGON NUT - 85100002298 suitable for MAN D engines
Reliable Hexagon Nut for Your ApplicationsDiscover our hexagon nut with the reference number 85100002298, designed for MAN D engines. As part of the article group Nuts, this product is intended to assist you in the reliable maintenance of your engines. Weighing only 0.04 kg, the hexagon nut can be installed effortlessly, making it optimal for marine and stationary use.
HEXAGON NUT - 85100002163 suitable for MAN D engines
Reliable Product: Hexagon NutDiscover the hexagon nut with the comparison number 85100002163, designed specifically to efficiently support engines. This OEM spare part belongs to the category of nuts and offers performance and durability. With a minimal weight of only 0.01 kg, the hexagon nut is an essential component for your machinery.Suitable for MAN D EnginesThis hexagon nut is suitable for MAN D engines, ensuring optimal functionality of your systems. The comparison number 85100002163 reflects the high standards you expect from OEM spare parts. Trust in the precise craftsmanship and easy installation of this key component.
KNURLED NUT - 85100001906 suitable for MAN D engines
Knurled Nut Comparison Number 85100001906 in Detail Discover the reliable knurled nut, comparison number 85100001906, perfectly tailored to meet the requirements of MAN D engines. This OEM spare part impresses with an excellent fit and ensures that your engines operate optimally. Weighing only 0.02 kg, this product offers an ideal combination of robustness and lightness.
CASTLE NUT - 85100001900 suitable for MAN D engines
Castle nut with comparison number 85100001900Discover the castle nut with the comparison number 85100001900, an essential OEM replacement part that perfectly meets your needs for engines. This replacement part is suitable for MAN D engines and offers the reliability you need for marine and stationary applications. Weighing only 0.01 kg, this product is a lightweight yet robust component.Quality and fit for various applicationsThe castle nut is an OEM replacement part specifically designed for MAN D engines, ensuring excellent functionality. Our comparison number 85100001900 stands for precise manufacturing and thoughtful design, so you receive a product that meets your requirements. We offer a wide selection of OEM replacement parts that are perfectly aligned with your engines.
NUT - 85100001886 suitable for MAN D engines
Precise OEM Replacement Part for Reliable EnginesDiscover our product, the nut with the comparison number 85100001886. This OEM replacement part is essential for the reliable operation of your MAN D engines. Weighing only 0.03 kg, the nut is ideal for use in various applications, whether in the marine sector or with stationary engines.Suitable for MAN D Engines - Quality in FocusOur nut is designed to be compatible with applications involving MAN D engines. Compared to aftermarket products, which often do not meet the same high standards, our OEM replacement parts offer perfect fit and excellent quality. Rely on the benefits of these products.
HEXAGON NUT - 85100001875 suitable for MAN D engines
Reliable Hexagon Nut for EnginesDiscover the hexagon nut with the comparison number 85100001875, the ideal OEM replacement part for your needs. This hexagon nut belongs to the category of nuts and is specifically designed for use in engines. Weighing only 0.01 kg, it offers both lightness and stability to ensure that all components are optimally connected.OEM Replacement Part Suitable for MAN D EnginesOur product, the hexagon nut 85100001875, is suitable for MAN D engines and meets the necessary standards you expect from an OEM replacement part. This top quality ensures that your engines operate reliably and efficiently. As an experienced company in the field of engine replacement parts, we focus on precision and durability.
UNION NUT - 85100001841 suitable for MAN D engines
Precise Product: Union NutDiscover the union nut with the comparison number 85100001841, a product specifically designed for MAN D engines. This union nut is an important OEM replacement part that supports the efficiency of your engines. Thanks to its precise manufacturing, it meets the highest quality standards and ensures that your system operates smoothly.
NUT - 85100001770 suitable for MAN D engines
Robust Nut Suitable for MAN D EnginesDiscover the professional nut with the comparison number 85100001770, an essential OEM replacement part for your engines. This nut is specifically designed and suitable for MAN D engines. Its lightweight of only 0.01 kg makes it ideal for use in demanding environments.Quality and Trust in OEM Replacement PartsWith the comparison number 85100001770, you receive a product that meets the highest standards. As an OEM replacement part, it ensures optimal fit and functionality to maximize the performance of your engines. MOPA Motorparts focuses on quality and reliability to meet your requirements.
NOZZLE CAP NUT - 85100001760 suitable for MAN D engines
Nozzle cap nut for MAN D enginesThe nozzle cap nut with the comparison number 85100001760 is an indispensable OEM replacement part specifically designed for engines compatible with MAN D. Weighing only 0.04 kg, this product combines functionality and reliability in one. Trust in the quality you expect from OEM replacement parts.
UNION NUT - 85100001740 suitable for MAN D engines
Union nut with comparison number 85100001740Discover the union nut with the comparison number 85100001740, an essential product for your engine maintenance. This union nut is suitable for MAN D engines and offers the quality you expect from OEM spare parts. Weighing only 0.05 kg, it is ideal for applications in marine and stationary technology.Reliable OEM spare parts for MAN D enginesAs an OEM spare part, the union nut ensures optimal fit for MAN D engines. It represents an indispensable component characterized by durability and usability. Rely on our over 25 years of experience in providing OEM spare parts for various manufacturers, including MWM, Mercedes-Benz, Deutz, and many more.
NUT - 85100000795 suitable for MAN D engines
Precise and Reliable Nut for Engine ApplicationsThe nut with the comparison number 85100000795 is an essential OEM spare part, perfectly tailored to the needs of engines. This specific product belongs to the category of nuts and impresses with its high precision. Weighing only 0.06 kg, this nut is not only lightweight but also provides excellent functionality that is crucial for the performance of your engines.Suitable for MAN D EnginesOur nut is suitable for MAN D engines. This OEM spare part ensures optimal fit and supports the efficient operation of your engine. Rely on the quality of our products to maximize the performance of your engine applications and minimize downtime.
NUT - 85000015500 suitable for MAN D engines
Reliable Component: Comparison Number 85000015500Discover the Nut with the comparison number 85000015500, a crucial OEM spare part for your engines. This product impresses with its quality and offers an excellent solution for applications in marine and stationary technology as well as in locomotives.Precision for MAN D EnginesThe Nut is suitable for MAN D engines and ensures that your machines perform optimally. Weighing only 0.04 kg, this OEM spare part is particularly lightweight yet robust enough to meet the demands of use.
NUT - 85000014825 suitable for MAN D engines
Exclusive Nut for EnginesDiscover our excellent product, the Nut with the comparison number 85000014825. This spare part not only ensures a precise fit but is also optimally adapted to the requirements of suitable for MAN D engines. Weighing only 0.05 kg, this nut is lightweight yet robust enough to withstand the demanding conditions in marine and stationary applications.Suitable for MAN D EnginesThe comparison number 85000014825 indicates that this spare part is designed for MAN D engines. Our spare parts meet high standards and ensure that your engine operates efficiently and reliably. Trust in the quality that this product can offer to avoid potential performance weaknesses.
COLLAR NUT - 85000012189 suitable for MAN D engines
COLLAR NUT with the comparison number 85000012189 suitable for MAN D engines
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.