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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.

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HEXAGON NUT - X00019856 suitable for MTU engines

HEXAGON NUT - X00019856 suitable for MTU engines

Hexagon nut suitable for MTU enginesOur hexagon nut with the comparison number X00019856 is a top-quality OEM spare part specifically designed to meet the requirements of engines. This hexagon nut is crucial for reliable assembly and ensures smooth operation.Quality from a reliable sourceThis product is an OEM spare part as it is designed to be suitable for MTU engines. Materials of the highest standards and precise workmanship make this product the ideal solution for your application.

Sale price: €16.16Regular price:€17.95(10% saved)
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MAGNETIC NUT - X00018307 suitable for MTU engines

MAGNETIC NUT - X00018307 suitable for MTU engines

Magnetic nut suitable for MTU enginesExperience a premium OEM replacement part with the magnetic nut and the reference number X00018307, designed for MTU engines. This precisely manufactured magnetic nut ensures a secure and reliable connection in your engine system.Rely on certified OEM replacement partsThe magnetic nut X00018307 has been manufactured to the highest standards. This OEM replacement part delivers the excellent performance you need for your engine system and is suitable for the most demanding marine and stationary applications.

Sale price: €1,902.20Regular price:€2,113.55(10% saved)
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MAGNETIC NUT - X00018306 suitable for MTU engines

MAGNETIC NUT - X00018306 suitable for MTU engines

Precise Magnetic Nut Suitable for MTU Engines Discover the magnetic nut with the reference number X00018306, an excellent choice for the reliability of your engines. This specific product is suitable for MTU engines of the series 4000, particularly for the models 20V4000M73L, ensuring that your machines remain in pristine condition.

Sale price: €1,902.20Regular price:€2,113.55(10% saved)
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NUT - X00018161 suitable for MTU engines

NUT - X00018161 suitable for MTU engines

Qualitative Nut – Comparison Number X00018161The nut with the comparison number X00018161 is an essential OEM spare part that can be seamlessly integrated into MTU engines. Weighing only 0.082 kg, this reliable product impresses with its extraordinary robustness. This nut meets the highest standards and ensures stable operation of your engine.OEM Spare Parts – Suitable for Demanding EnginesAs a second-generation family business, we specialize in OEM spare parts that are specifically designed to be suitable for demanding MTU engines. Our extensive industry experience makes our products an ideal choice for companies that value strong performance.

Sale price: €365.61Regular price:€406.24(10% saved)
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NUT - X00016617 suitable for MTU engines

NUT - X00016617 suitable for MTU engines

Precise Nut – Comparison Number X00016617 Discover the nut with comparison number X00016617, an essential component for efficient engines. This product is designed as an OEM replacement part to provide maximum durability and performance. Manufactured with the highest precision, this nut meets specific requirements and is therefore indispensable.OEM Replacement Parts Suitable for MTU Engines This OEM replacement part is suitable for MTU engines. At MOPA Motorparts, we only source parts from reputable manufacturers to offer you the best components for your engine applications. Trust our many years of experience in the industry to keep your engines running reliably.

NUT - X00012735 suitable for MTU engines

NUT - X00012735 suitable for MTU engines

Solution for Engine NeedsDiscover the Nut with the reference number X00012735 – a unique OEM spare part, perfectly suitable for your MTU engines. This product impresses with excellent fit and durability, necessary to meet the specific requirements of marine and stationary applications.

MAGNETIC NUT - X00010384 suitable for MTU engines

MAGNETIC NUT - X00010384 suitable for MTU engines

Magnetic Nut: Your Reliable Replacement PartThe magnetic nut with the comparison number X00010384 is an essential product for any maintenance project. Here, you will find this component, perfectly suited for MTU engines. Our offering includes exclusively OEM replacement parts that meet strict quality standards, ensuring you can always count on maximum performance.Flexibility and AdaptabilityThis replacement part is not only easy to install but also provides a durable connection. With the comparison number X00010384, you receive a product that has been specifically designed to meet the highest demands for performance and reliability. Trust in our expertise as a reliable provider in the engine industry.

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NUT - X00005744 suitable for MTU engines

NUT - X00005744 suitable for MTU engines

Amazing Product: Comparison Number X00005744The Nut with the comparison number X00005744 is the perfect OEM spare part, custom-made for your MTU engines. This product impresses with performance and reliability in demanding applications.

Sale price: €352.08Regular price:€391.20(10% saved)
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NUT - X00004714 suitable for MTU engines

NUT - X00004714 suitable for MTU engines

Your Solution: High-Quality Nut Compatible with MTU EnginesDiscover the product with the comparison number X00004714, an essential nut that can be perfectly combined with your MTU engines. This OEM replacement part stands for high quality and durability in demanding applications where reliability is crucial.

Sale price: €56.38Regular price:€62.65(10% saved)
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MAGNETIC NUT - X00002877 suitable for MTU engines

MAGNETIC NUT - X00002877 suitable for MTU engines

Reliable Magnetic Nut – Comparison Number X00002877The magnetic nut with the comparison number X00002877 is an essential OEM spare part that ensures flawless functionality in your engines. This precisely manufactured magnetic nut offers an optimal connection and has been designed to fit MTU engines. With a sturdy weight of 65 kg, it provides the robustness and durability required in demanding environments.

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LOCKING NUT - X00002219 suitable for MTU engines

LOCKING NUT - X00002219 suitable for MTU engines

Locking nut X00002219 for optimal engine partsDiscover our locking nut, comparison number X00002219, specially designed to ensure flawless applications in high-performance engines. This OEM replacement part meets the highest standards and is an essential product for securely fastening components that you need.

Sale price: €19.68Regular price:€21.87(10% saved)
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LOCKING NUT - VM74582 suitable for MTU engines

LOCKING NUT - VM74582 suitable for MTU engines

Robust Locking Nut for Reliable OperationSecure the Locking Nut (reference number VM74582), an essential OEM replacement part compatible with MTU engines. This precise product ensures an optimal connection of the components, keeping your machines’ performance at its best.

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BLINDNIETMUTTER - SUR1-05-00328 suitable for MTU engines

BLINDNIETMUTTER - SUR1-05-00328 suitable for MTU engines

Blind Rivet Nut SUR1-05-00328Discover the Blindnietmutter, an indispensable OEM spare part with the comparison number SUR1-05-00328. This product is specifically designed to operate optimally with MTU engines, as it is ready for use with perfect fit.Quality Work for Your EnginesThe Blindnietmutter is characterized by its top-notch craftsmanship and modern standards that enable maximum performance. These new components are suitable for major manufacturers, including MTU, so you can support the efficiency of your applications.

Sale price: €1.25Regular price:€1.39(10% saved)
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BLINDNIETMUTTER - SUR1-05-00325 suitable for MTU engines

BLINDNIETMUTTER - SUR1-05-00325 suitable for MTU engines

Quality OEM Replacement Part for Engine FailuresDiscover the Blindnietmutter with reference number SUR1-05-00325, suitable for various applications in the engine industry. As a product, it belongs to the category Holders, plates and flanges and impresses with high accuracy. Its reliability is crucial for the performance of engines used in marine and stationary applications.Efficient Solution Suitable for MTU EnginesOur Blindnietmutter is precisely designed for MTU engines, ensuring that your engine operates at its best. The reference number SUR1-05-00325 signifies a top-quality OEM replacement part that meets all performance and durability requirements. Benefit from these advantages and optimize your operations!

Sale price: €0.98Regular price:€1.09(10% saved)
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BLINDNIETMUTTER-M6-31R-SK-ST-A2F - SUR1-05-00187 suitable for MTU engines

BLINDNIETMUTTER-M6-31R-SK-ST-A2F - SUR1-05-00187 suitable for MTU engines

Premium Replacement Part for Your EnginesThe Blindnietmutter-m6-31r-sk-st-a2f is a premium product that is ideal for use in engines compatible with MTU. The comparison number SUR1-05-00187 helps you quickly identify the appropriate OEM replacement part and offers quality and reliability for your applications.Suitable for MTU with OEM Replacement PartsOur replacement part is specially designed to meet the highest standards. The Blindnietmutter-m6-31r-sk-st-a2f is perfectly compatible with leading manufacturers such as MTU. All parts provide the quality you expect from OEM replacement parts.

Sale price: €2.35Regular price:€2.61(10% saved)
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HEXAGON NUT - SUG61014-16053 suitable for MTU engines

HEXAGON NUT - SUG61014-16053 suitable for MTU engines

Hexagon nut suitable for MTU engines Discover our Hexagon nut with the comparison number SUG61014-16053, an OEM replacement part, suitable for MTU engines. With this product, you ensure the optimal performance and reliability of your engines in marine and stationary applications.Quality assurance through internal control This Hexagon nut belongs to the article group Nuts and is manufactured as an OEM replacement part. Suitable for MTU engines, each order is inspected for quality through our internal control, so you can expect long-term reliability.

HEXAGON NUT - SUG61014-08232 suitable for MTU engines

HEXAGON NUT - SUG61014-08232 suitable for MTU engines

Precise Hexagon Nut for Reliable ApplicationsThe OEM replacement part Hexagon Nut with the comparison number SUG61014-08232 is exactly what you need for your MTU engines. This product offers a precise connection and has been specifically designed to meet the high demands of marine and stationary applications.Trust in QualityOur Hexagon Nut is suitable for MTU, making it the ideal choice for professional applications. In our offering, you will find exclusively OEM replacement parts that are designed for durability and performance.

HEXAGON NUT - SUG61014-07198 suitable for MTU engines

HEXAGON NUT - SUG61014-07198 suitable for MTU engines

Versatile Hexagon Nut for Your EnginesThe hexagon nut with the comparison number SUG61014-07198 is an essential OEM replacement part that has been precisely designed for MTU engines. This nut has been produced under strict quality standards, ensuring excellent performance. The focus on precision ensures optimal functionality of your engines.Ensuring Efficiency for MTU EnginesThis OEM replacement part is specifically designed for MTU engines. By using the hexagon nut, you benefit from stable and reliable operation. The comparison number SUG61014-07198 demonstrates that we only deal in the best products to support the optimal use of your engines.

HEXAGON NUT - SUG61014-01901 suitable for MTU engines

HEXAGON NUT - SUG61014-01901 suitable for MTU engines

Exclusive Hexagon Nut for Your Application Discover our Hexagon nut with the comparison number SUG61014-01901. This excellent product is specifically required for continuous applications in diesel and gas engines and allows you to optimize the performance of your engines.Highest Quality through OEM Partner Our OEM spare part, suitable for MTU engines, provides you with the optimal solution for high-quality machine components. This Hexagon nut is specially designed to support the functionality of potential systems and ensure an ideal fit.

HEXAGON NUT - SUG61014-00398 suitable for MTU engines

HEXAGON NUT - SUG61014-00398 suitable for MTU engines

Hexagon nut for your MTU engineDiscover the hexagon nut (comparison number SUG61014-00398), an essential product for your needs. This hexagon nut is suitable for MTU and impresses with its quality and reliability.OEM spare part for impressive performanceOur hexagon nut is offered as an OEM spare part and meets the strict standards of the manufacturer. It is an optimal solution for your MTU engines, ensuring the highest precision and longevity. Rely on products specifically designed for MTU engines.

HEXAGON NUT - SUG61014-00396 suitable for MTU engines

HEXAGON NUT - SUG61014-00396 suitable for MTU engines

Hexagon Nut – the solution for your applicationsDiscover the Hexagon nut, excellently comparable with the comparison number SUG61014-00396, suitable for reliably supporting your MTU engines. This premium spare part ensures safe and durable use in your applications.Items suitable for MTU engines – Quality through OEMThis spare part is suitable for MTU engines and belongs to the nuts product group. Each component combines compatibility and quality to ensure your engines always function optimally.

HEXAGON NUT - SUG61014-00363 suitable for MTU engines

HEXAGON NUT - SUG61014-00363 suitable for MTU engines

High-Quality Hexagon Nut with Versatile ApplicationsDiscover the hexagon nut with the comparison number SUG61014-00363 – the optimal product for industrial users. This OEM replacement part is suitable for MTU engines and represents an indispensable element in various applications. Rely on the robustness and durability of this specialized nut to ensure a perfect connection.Quality for MTU EnginesOur hexagon nut is 100% compatible with MTU engines and has been designed for reliable use in marine and stationary applications. With the comparison number SUG61014-00363, you are purchasing an OEM replacement part that offers significant advantages in terms of performance and functionality. Count on top-quality products!

HEXAGON NUT - SUG61014-00305 suitable for MTU engines

HEXAGON NUT - SUG61014-00305 suitable for MTU engines

Quality Hexagon Nut in Reliable DesignDiscover our hexagon nut with the comparison number SUG61014-00305, a high-quality OEM replacement part that functions reliably in your applications. This hexagon nut is not only an essential component but also crucial for the functionality of your engines.

HEXAGON NUT - SUG61014-00301 suitable for MTU engines

HEXAGON NUT - SUG61014-00301 suitable for MTU engines

Robust OEM Replacement Part for Your Needs Discover our valuable product, the Hexagon nut with the comparison number SUG61014-00301, compatible with MTU engines. This powerful and reliable OEM replacement part belongs to the category of Nuts and offers you optimal fit and durability.Maximum Benefit for MTU Engines The Hexagon nut has been specifically designed to meet the demands of engines. As a precise OEM replacement part, it ensures that your systems operate smoothly and are ideally suited for your marine and stationary applications.

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.

Screw nuts for industrial and marine engines – engine nut, motor nut, mechanical nuts, mechanic nuts – OEM replacements

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.

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