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:
NUT - 20542497 suitable for Volvo/Volvo Penta engines
Quality Product: Nut suitable for Volvo/Volvo PentaDiscover the nut (comparison number: 20542497), specially designed to create a reliable connection for engines. This OEM spare part impresses with its high compatibility with engines and meets the highest quality standards. Weighing only 0.015 kg, this product is perfectly suited for numerous applications.
NUT - 20517048 suitable for Volvo/Volvo Penta engines
Precision Nut for Your EnginesDiscover the nut with the comparison number 20517048, which is optimally designed for the requirements of engines. This OEM spare part weighs only 0.006 kg and ensures the highest quality and reliability. It is suitable for Volvo/Volvo Penta engines and offers an excellent fit.High-Quality Manufacturing to OEM StandardsThis product belongs to the category of nuts and ensures a problem-free fit in all engines, suitable for Volvo/Volvo Penta. Rely on the top-notch craftsmanship of our OEM spare parts to enhance the efficiency and longevity of your engines.
NUT - 20505959 suitable for Volvo/Volvo Penta engines
Trust in Quality: Reference Number 20505959 The reference number 20505959 designates a precisely manufactured Nut that has been developed as suitable for Volvo/Volvo Penta engines. Weighing only 0.004 kg, this OEM spare part combines lightness and stability, which are essential for reliable applications in marine and stationary technology.
LOCKING NUT - 20501349 suitable for Volvo/Volvo Penta engines
Rely on the comparison number 20501349Discover our locking nut, listed under the comparison number 20501349. This product is an essential component for anyone relying on powerful and reliable engines. Our locking nut is specially designed to provide a secure connection within your engines, enabling you to achieve optimal performance.
NUT - 20464472 suitable for Volvo/Volvo Penta engines
OEM Replacement Part Suitable for Volvo/Volvo PentaDiscover our OEM replacement part, the Nut with the comparison number 20464472, suitable for Volvo/Volvo Penta engines. Weighing only 0.048 kg, this product combines lightweight design with robust durability. Our Nut provides a reliable connection and optimizes the performance of your engines.
NUT - 20460512 suitable for Volvo/Volvo Penta engines
Premium Nut suitable for Volvo/Volvo Penta EnginesDiscover the nut with the comparison number 20460512, which is an essential OEM spare part for your technical requirements. Weighing 0.016 kg, it is a lightweight yet highly powerful component that meets precise quality standards. This product is specifically designed to be optimally integrated into engines suitable for Volvo and Volvo Penta.Precision based on comparison number 20460512The comparison number 20460512 identifies this essential nut as an OEM spare part that can be easily installed in your projects. Furthermore, using this nut means you are utilizing a high-quality component to maximize the performance of your engines.
NUT - 20460506 suitable for Volvo/Volvo Penta engines
First-Class Nut Suitable for Volvo/Volvo Penta EnginesDiscover the reliable nut with the comparison number 20460506, which is suitable for Volvo/Volvo Penta engines. This OEM spare part impresses with its high quality and unique fit, ensuring effective functionality in your applications. Weighing just 0.026 kg, this thoughtfully designed product offers both stability and lightness.Optimal Fit for Your RequirementsThe comparison number 20460506 represents a spare part that has been specifically developed to harmonize optimally with components of many Volvo/Volvo Penta engines. This nut is crucial for the secure connection of engine parts and provides long-term use even under challenging conditions.
NUT - 20460474 suitable for Volvo/Volvo Penta engines
Reliable Nut for Your ApplicationThe nut with the comparison number 20460474 is an indispensable product in the world of OEM spare parts. This OEM spare part is specifically designed to optimize the functionality and safety of engines. Weighing only 0.062 kg, this nut ensures an effective connection and long-term performance.Suitable for Volvo/Volvo Penta EnginesThis item is suitable for Volvo/Volvo Penta, making it the ideal choice for users who require top-quality spare parts. The comparison number 20460474 allows for a precise fit that is essential for various applications. Take advantage of it in marine and stationary applications where high-quality components are needed.
NUT - 20460422 suitable for Volvo/Volvo Penta engines
Exact Fit: Comparison Number 20460422Discover the OEM spare part suitable for Volvo/Volvo Penta engines with the comparison number 20460422. This nut ensures an exact fit and allows for a secure connection of all engine components. Weighing only 0.002 kg, this product can be effortlessly integrated into your maintenance routine while providing the necessary stability and durability.
NUT - 20460368 suitable for Volvo/Volvo Penta engines
Efficient Spare Part for Your ApplicationsDiscover our OEM spare part, the Nut with the comparison number 20460368, which can be reliably used in various applications suitable for Volvo/Volvo Penta engines. This Nut is an essential element within the category of spare parts and provides the perfect solution to ensure the functionality of your engines.Ideally Suitable for Volvo EnginesThe Nut with the comparison number 20460368 is suitable for Volvo/Volvo Penta engines. Weighing only 0.08 kg, it combines lightness and robustness, making it ideal for stationary and marine use. To meet high quality standards, it is essential to use high-quality OEM spare parts.
NUT - 20460364 suitable for Volvo/Volvo Penta engines
Durable Nut for Versatile ApplicationsDiscover the Nut with the part number 20460364, specifically designed and suitable for Volvo/Volvo Penta engines. This nut belongs to the group of nuts and offers precise fit, ensuring durability and reliability. Weighing only 0.01 kg, our product provides user-friendly handling and is suitable for numerous applications in the marine and stationary sectors.Reliability through OEM Replacement PartsOur Nut meets the highest standards and is an essential OEM replacement part to support the efficiency of your engines. The part number 20460364 reflects the high quality of our product, which is designed for the demands of engine technology. Rely on our expertise to ensure the smooth operation of your machines.
NUT - 20460344 suitable for Volvo/Volvo Penta engines
Essential Spare Part for Your EnginesDiscover our Nut, a high-quality OEM spare part with the comparison number 20460344. This product is compatible with Volvo/Volvo Penta engines and plays a crucial role in the connection in engine operation. Weighing only 0.003 kg, the Nut combines lightness and stability, making it an essential component of your machines.Reliability for Volvo/Volvo Penta EnginesThe Nut with the comparison number 20460344 belongs to the group of OEM spare parts. Each part is designed to the highest quality standards and is sure to be compatible with your Volvo/Volvo Penta engines. This way, you can ensure flawless functionality and safety of your engines.
NUT - 20460192 suitable for Volvo/Volvo Penta engines
Excellent Nut Replacement Part for Engines Discover the Nut with comparison number 20460192, an essential replacement part specifically designed for Volvo/Volvo Penta engines. Weighing only 0.012 kg, this Nut features important design elements that ensure precision and durability for your engines. Its exact fit secures optimal connection technology, enabling peak performance.
NUT - 20460118 suitable for Volvo/Volvo Penta engines
Secure Spare Part for Your ApplicationsDiscover our OEM spare part, the Nut with the comparison number 20460118, suitable for Volvo/Volvo Penta engines. Weighing only 0.007 kg, this product impresses with its optimal fit to the manufacturer's specifications. Ideal for the maintenance and repair of marine and stationary engines.
NUT - 20459883 suitable for Volvo/Volvo Penta engines
Reliable Nut with Comparison Number 20459883Discover our Nut with the comparison number 20459883, which is an essential product suitable for Volvo/Volvo Penta engines. This Nut belongs to the group of Nuts and weighs only 0.008 kg. It ensures a stable connection and contributes to the longevity of your engines.Ideal for the Requirements of Marine and Stationary EnginesThese OEM spare parts are specially designed to enable optimal functionality. Our Nut is compatible with engines developed by Volvo/Volvo Penta, contributing to increased efficiency in the long run. The processing of OEM spare parts stands for quality you can rely on.
NUT - 20459022 suitable for Volvo/Volvo Penta engines
Reliable Nut: Comparison Number 20459022Discover the tested Nut with the comparison number 20459022, an indispensable OEM spare part suitable for Volvo/Volvo Penta engines. This product in the category "Nuts" not only offers outstanding compatibility but also the reliability you need for your engines. Weighing only 0.006 kg, this Nut ensures a precise solution for your requirements and allows you to rely on the performance of your engines.Quality That Sets Us Apart: OEM Spare Parts for EnginesOur Nut is meticulously designed and manufactured to fit Volvo/Volvo Penta engines. With a focus on high standards and rigorous controls, we ensure that this OEM spare part not only fits but also provides the necessary stability. Trust our expertise as a reliable provider of spare parts, as we have been established for over 25 years.
NUT - 20441521 suitable for Volvo/Volvo Penta engines
Optimal Connection Technology for Your EnginesDiscover the OEM spare part in top quality with the comparison number 20441521. This Nut is seamlessly compatible with Volvo/Volvo Penta engines and provides a reliable connection technology that is essential for the performance of your engines. Weighing only 0.018 kg, this product offers the ideal solution for various applications in the maritime and stationary sectors.Components that ConvinceThis Nut is part of our quality-tested OEM spare parts and ensures optimal fit. The comparison number 20441521 stands for a product that is widely recognized in the industry to enhance the efficiency of your Volvo/Volvo Penta engines. Always rely on precision and reliability when it comes to new parts.
NUT - 20412446 suitable for Volvo/Volvo Penta engines
Quality and Functionality of Nut 20412446 Discover the nut with the comparison number 20412446, an essential OEM replacement part specifically designed for Volvo/Volvo Penta engines. This nut plays a central role in the stability of your marine or stationary engine and ensures a reliable connection. Weighing just 0.012 kg, it is easy to install and provides the necessary durability.Specifically Suitable for Volvo/Volvo Penta Engines Our nut is an important product, specially designed for use in engines compatible with Volvo/Volvo Penta. In the extensive article group “nuts,” we offer OEM replacement parts of the highest quality, ideal for the maintenance and upkeep of your machinery. Benefit from our great selection of over 1 million spare parts.
NUT - 20412308 suitable for Volvo/Volvo Penta engines
Essential Product: Nut 20412308Discover the nut with the comparison number 20412308 – an essential OEM replacement part that is perfect for Volvo/Volvo Penta engines. This precise nut ensures that all components work together optimally and that the performance of your engines remains reliably maintained. Weighing only 0.01 kg, this product is also extremely light and easy to handle.Robust Quality for EnginesOur nut, suitable for Volvo/Volvo Penta, is designed to meet the high demands of marine and stationary applications. By using the best materials, this product ensures exceptional durability and stability. Trust in OEM replacement parts that meet the manufacturer's high standards.
NUT - 20405768 suitable for Volvo/Volvo Penta engines
Precise Component for Demanding ApplicationsDiscover the Nut with the comparison number 20405768, which is suitable for Volvo/Volvo Penta engines. This product is an indispensable OEM spare part that meets the strict requirements of the industry and ensures the highest quality. It is a direct counterpart that has been carefully designed to provide optimal performance.Reliability Through Excellent WorkmanshipWeighing only 0.006 kg, the Nut is ideal for a variety of applications in engine technology. The OEM spare part ensures a reliable fit, particularly for your engines. Trust that all components will meet your heightened demands and enhance the performance of your machines.
LOCKING NUT - 20405765 suitable for Volvo/Volvo Penta engines
Locking nut with comparison number 20405765Discover the locking nut with the comparison number 20405765 – an indispensable OEM spare part designed to fit Volvo/Volvo Penta engines. This precise product ensures the required fit and functionality needed to meet every challenge. Users who rely on the quality of OEM spare parts will appreciate the benefits of this product.Reliable fit for various applicationsThe locking nut is specially designed and weighs only 0.012 kg, allowing for uncomplicated installation. With this, you can depend on its functionalities. Trust in products from our range, as we at MOPA Motorparts prioritize the performance of proven OEM spare parts.
NUT - 20405762 suitable for Volvo/Volvo Penta engines
Precision Nut - Your OEM Replacement Part for EnginesDiscover the Nut (Comparison Number 20405762), a quality-assured OEM replacement part specifically designed to be suitable for Volvo/Volvo Penta engines. This Comparison Number 20405762 ensures that you won't have to make any compromises during installation. With a lightweight of only 0.012 kg, this product stands out for its ease of handling and reliability in stationary engine applications.Functionality and Reliability for Your EnginesOur OEM replacement parts are known for their perfect fit and robust construction. The Nut combines quality with durability, enabling your engines to achieve their full performance. Each component is suitable for Volvo/Volvo Penta and has been manufactured under strict standards to ensure optimal functionality and allow for long maintenance intervals.
NUT - 20405288 suitable for Volvo/Volvo Penta engines
Quality Product: Nut with Comparison Number 20405288Discover the robust nut (comparison number 20405288), a central component from our selection of products, ideal for various applications in engines. Weighing only 0.079 kg, this product is particularly lightweight yet durable, making it reliable for a wide range of uses.Compatible with Volvo/Volvo Penta EnginesThis nut is compatible with Volvo/Volvo Penta engines and contributes to efficient and error-free operation. By using OEM replacement parts of technical precision, you ensure that your system performance remains stable and is based on the highest standards.
HEXAGON NUT - 204035016000 suitable for MTU engines
1. Hexagon nut 204035016000 – Your Best ChoiceThe hexagon nut with the comparison number 204035016000 is a reliable product that has been specifically developed. This essential OEM replacement part ensures that your engines operate optimally. Its precision makes it an important component in the operation of high-performance systems.2. Suitable for MTU Engines – Trust in PrecisionThis OEM replacement part is suitable for MTU engines and offers a perfect fit. The hexagon nut is designed to meet the highest demands. Compared to aftermarket options, this product stands out for its reliability and durability.
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.