Skip to main content Skip to search Skip to main navigation

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.

Filter products

HEXAGON NUT - 12155812 suitable for MWM & Deutz engines

HEXAGON NUT - 12155812 suitable for MWM & Deutz engines

Versatile Hexagon Nut for Your NeedsDiscover our premium product, the hexagon nut with the comparison number 12155812. This essential OEM replacement part ensures the secure fastening of various components of your machines and offers uncompromising reliability and durability. Optimally suited to enable smooth operation in industrial applications, this nut is an indispensable component in your inventory.Suitable for MWM & Deutz EnginesOur hexagon nut is specifically designed to integrate perfectly into applications supporting MWM & Deutz engines. Weighing only 0.001 kg, it is easy to handle and can be replaced without worry. If you prioritize precision, rely on our OEM replacement parts that fully meet your requirements.

Discount
HEXAGON NUT - 12155811 suitable for Deutz engines

HEXAGON NUT - 12155811 suitable for Deutz engines

Hexagon nut suitable for Deutz enginesThe hexagon nut with the comparison number 12155811 is an essential part specifically designed to optimally support engines. Weighing only 0.04 kg, this hexagon nut provides a robust solution for various requirements and ensures a reliable connection. As an important product in our category of nuts, it helps keep components securely fastened and working efficiently.

Sale price: €98.10Regular price:€109.01(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
COLLAR NUT - 12155810 suitable for MWM & Deutz engines

COLLAR NUT - 12155810 suitable for MWM & Deutz engines

High-Performance Collar Nut: Comparison Number 12155810The collar nut with the comparison number 12155810 is a state-of-the-art product developed as an OEM replacement part. This spare part offers quality and reliability for engines used in marine and stationary applications. Weighing only 0.099 kg, the collar nut impresses with its design and handling.

NUT - 12155809 suitable for MWM & Deutz engines

NUT - 12155809 suitable for MWM & Deutz engines

Precise Nut: Comparison Number 12155809The nut with the comparison number 12155809 is a top-quality OEM spare part, specifically designed to meet the demands in challenging environments. Weighing only 0.1 kg, this product is lightweight yet robust enough to ensure a reliable connection in engine operation. This nut significantly contributes to the efficiency of your machines and ensures optimal functionality.Use in MWM & Deutz EnginesThis OEM spare part is suitable for MWM & Deutz engines used in various applications. With over 25 years of experience in providing spare parts, we possess the necessary know-how to offer products that ensure high performance. Our range includes exactly the parts you need to keep your machines running reliably and for the long term.

Discount
HEXAGON NUT - 12155808 suitable for MWM & Deutz engines

HEXAGON NUT - 12155808 suitable for MWM & Deutz engines

HEXAGON NUT with the comparison number 12155808 suitable for MWM & Deutz engines

Sale price: €55.48Regular price:€61.65(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
NUT - 12155807 suitable for MWM & Deutz engines

NUT - 12155807 suitable for MWM & Deutz engines

Precise Nut with Comparison Number 12155807Discover the comprehensive product with the comparison number 12155807, a special nut that is essential for the performance of your engines. This OEM spare part is compatible with MWM & Deutz engines and helps ensure a smooth operation in your machines. Our product meets the highest standards and contributes to the efficiency of your applications.Robustness and Efficiency CombinedWeighing 1.1 kg, this engine spare part provides stability when it matters. As an OEM spare part, it helps you maintain the full performance of your systems. Choosing the right parts is critical for the optimal functionality of your systems.

TENSIONING NUT - 12155806 suitable for MWM & Deutz engines

TENSIONING NUT - 12155806 suitable for MWM & Deutz engines

Ultimate Tensioning Nut for Your ApplicationsDiscover the tensioning nut with the reference number 12155806, an essential OEM spare part. This tensioning nut excels in applications in engines used in many maritime and stationary applications, as well as locomotives. Weighing 0.925 kg, it is optimally designed and provides the necessary stability you expect. Together with other OEM spare parts in our range, it ensures the functionality of your machinery.Unmatched Precision – OEM Spare Parts for EnginesThe tensioning nut 12155806 is compatible with MWM & Deutz engines, offering the confidence that only tested parts can provide. In addition to the combination of precision and durability, it ensures that your engine runs efficiently. Unlike aftermarket parts, our products impress with quality and reliability.

NUT - 12155805 suitable for MWM & Deutz engines

NUT - 12155805 suitable for MWM & Deutz engines

Nut suitable for MWM & Deutz engines – 12155805 Discover our top-notch nut, specifically designed to optimally support your MWM & Deutz engines. This nut with the comparison number 12155805 weighs only 0.05 kg and represents the perfect solution for all maintenance and repair needs. As part of our article group "nuts," this product offers both quality and functionality.

Discount
NUT - 12155804 suitable for Deutz engines

NUT - 12155804 suitable for Deutz engines

Robust Nut as an Essential Connection ComponentDiscover the nut with the comparison number 12155804, an indispensable OEM spare part that ensures a reliable connection in engines. This nut weighs only 0.025 kg and ensures that your application functions optimally at all times.Optimal Choice: Suitable for Deutz EnginesOur nut is specifically designed and suitable for Deutz engines. With us, you will find exclusive OEM spare parts that meet the manufacturer's standards. This sustainably enhances the performance and lifespan of your equipment. Trust in the quality that only an OEM manufacturer can provide.

Sale price: €2.93Regular price:€3.25(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
ACORN NUT - 12155803 suitable for MWM & Deutz engines

ACORN NUT - 12155803 suitable for MWM & Deutz engines

Efficient Replacement Product: Acorn Nut for EnginesOur acorn nut with the comparison number 12155803 is an essential product when it comes to maintaining your engines. Weighing 0.3 kg, this OEM replacement part not only offers easy handling but also durability, which ensures smooth operation of your mechanisms. The exact fit makes this product perfect for use in the industry.Optimal Fit for MWM & Deutz EnginesThe acorn nut, suitable for MWM & Deutz engines, enables quick and efficient assembly of the components. The OEM replacement parts are made from solid materials that are tailored to the specific requirements of MWM & Deutz engines. Rely on the quality that is crucial in the demanding environment of marine drives and stationary applications.

ACORN NUT - 12155802 suitable for MWM & Deutz engines

ACORN NUT - 12155802 suitable for MWM & Deutz engines

Discover the Acorn Nut: Reference Number 12155802The Acorn nut with reference number 12155802 is an essential product for your needs. This OEM replacement part belongs to the category of Nuts and weighs only 0.021 kg. With a precise fit in your engine, you ensure the stability and longevity of your equipment.Innovative Solutions for Engines in Commercial UseThe OEM replacement part is designed to fit MWM & Deutz engines. Experience the precise compatibility that efficiently secures its use in various applications. Replacing components that are suitable for renowned manufacturers like MWM & Deutz enhances the performance and efficiency of your facility technology.

ACORN NUT - 12155801 suitable for Deutz engines

ACORN NUT - 12155801 suitable for Deutz engines

Acorn nut – Comparison number 12155801 Discover the Acorn nut with the comparison number 12155801, an essential product from the category 'Nuts', specifically designed for use with engines. This OEM spare part stands for precision and is suitable for Deutz engines. Weighing only 0.02 kg, the Acorn nut is ideal for numerous applications in marine or stationary use.Suitable for Deutz engines – Optimal performance When it comes to reliably operating your engines, choosing the right spare part is crucial. The Acorn nut provides the necessary connection and stability to ensure that your engines, suitable for Deutz, deliver consistent performance. Count on the perfect fit and high quality of our OEM spare parts.

NUT - 12155800 suitable for MWM & Deutz engines

NUT - 12155800 suitable for MWM & Deutz engines

Robust Nut for Precise ApplicationsDiscover our Nut with the comparison number 12155800, a reliable OEM spare part specifically designed for your needs. This product is suitable for MWM & Deutz engines and is therefore optimal for marine as well as stationary diesel and gas engines. Weighing 0.308 kg, this Nut meets high standards of quality and durability.

NUT - 12155798 suitable for MWM & Deutz engines

NUT - 12155798 suitable for MWM & Deutz engines

Versatile Nut for Reliable ApplicationsDiscover our replacement part, the nut with the comparison number 12155798. This essential component belongs to the group of "nuts" and has been specifically designed to ensure a reliable connection in engines. Weighing only 0.05 kg, it is ideally suited for a variety of applications.Suitable for MWM & Deutz EnginesThis nut is suitable for MWM & Deutz engines and stands for high manufacturing standards. It sets benchmarks in terms of quality and ensures that your machines run optimally. Our products as OEM replacement parts offer the reliability you expect and are designed to fit perfectly to the manufacturer's specifications.

NUT - 12155797 suitable for MWM & Deutz engines

NUT - 12155797 suitable for MWM & Deutz engines

Precise Nut Suitable for MWM & Deutz EnginesDiscover the innovative nut with the comparison number 12155797, an essential OEM spare part for robust management of your engines. This product weighs 0.105 kg and is designed to secure perfect connections in demanding applications. Rely on reliable spare parts that provide you with the necessary functionality.OEM Spare Part – Overview and DetailsThe OEM spare part with the comparison number 12155797 is suitable for MWM & Deutz engines. Its top-notch workmanship meets high industry standards and ensures that your engines operate effectively and sustainably. Trust in carefully developed solutions that are specifically tailored to your needs.

Sold out
NUT - 12155795 suitable for MWM & Deutz engines

NUT - 12155795 suitable for MWM & Deutz engines

NUT with the comparison number 12155795 suitable for MWM & Deutz engines

NUT - 12155794 suitable for MWM & Deutz engines

NUT - 12155794 suitable for MWM & Deutz engines

Versatile OEM Replacement Part: The Nut 12155794Discover our nut with the comparison number 12155794. This OEM replacement part offers superior quality to ensure the performance of your engines. Weighing 0.3 kg, this nut is not only lightweight but is specifically manufactured to optimally support applications in various areas of machine construction.Suitable for MWM & Deutz Engines: Perfect for UseThis nut is suitable for MWM & Deutz engines and plays a central role in connecting engine components. Trust that our nut will enhance the performance of your machines while extending the lifespan of your engines. For demanding tasks, this product is exactly what you need.

NUT - 12155793 suitable for MWM & Deutz engines

NUT - 12155793 suitable for MWM & Deutz engines

Robust Nut suitable for MWM & Deutz enginesDiscover the Nut with the comparison number 12155793, which serves as a fundamental component in your application. This OEM spare part provides you with the necessary quality to ensure the performance of your engines. At MOPA Motorparts, we focus solely on spare parts that meet your demands in the marine and stationary industries.

NUT - 12155792 suitable for MWM & Deutz engines

NUT - 12155792 suitable for MWM & Deutz engines

Quality Product: Nut 12155792 for EnginesDiscover the Nut with the comparison number 12155792, an essential OEM spare part that impresses with its durability. This Nut, weighing 0.61 kg, is specifically designed for reliable use in demanding applications with MWM & Deutz Engines.Suitable for High-Load ApplicationsThis OEM spare part is compatible with MWM & Deutz Engines and offers direct compatibility. The comparison number 12155792 ensures that you acquire a tested product for your requirements. Manufactured according to the strict guidelines of OEM spare parts, it ensures remarkable performance with cost-effective materials.

NUT - 12155791 suitable for MWM & Deutz engines

NUT - 12155791 suitable for MWM & Deutz engines

Reliable Nut: Your OEM Replacement PartThe nut with the comparison number 12155791 enhances the efficiency of your engines, suitable for MWM & Deutz. This precisely engineered product is the ideal choice for operators of diesel and gas engines in marine and stationary applications as well as locomotives. The fit is particularly important, which you will achieve with this OEM replacement part.Fit for MWM & Deutz EnginesWith a length of 4.5 cm, a width of 4.5 cm, and a height of 5.3 cm, this nut offers optimal functionality for your MWM & Deutz engines. It is lightweight (0.222 kg) and distinguished by its robustness. Thanks to its ideal dimensions, it proves indispensable for the reliable connection of components in various engine systems.

Discount
NUT - 12155790 suitable for MWM & Deutz engines

NUT - 12155790 suitable for MWM & Deutz engines

Precision Engineering: Nut Suitable for MWM & Deutz EnginesDiscover the nut with the comparison number 12155790 – an essential product for your engine needs. This OEM spare part is made from durable materials, making it perfectly suitable for integration as a functional component in your machines. The comparison number 12155790 ensures easy identification of our OEM spare parts for your specific applications.Optimum Application for MWM & Deutz EnginesThis product is particularly well-suited as a spare part for MWM & Deutz engines. With compact dimensions of 3.6 cm in length and width, and 3.2 cm in height, weighing only 0.077 kg, it offers the perfect combination of stability and easy installation. The design allows the nut to be effortlessly integrated into projects in marine and stationary applications, as well as locomotives.

Sale price: €56.16Regular price:€62.40(10% saved)
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
NUT - 12155789 suitable for MWM & Deutz engines

NUT - 12155789 suitable for MWM & Deutz engines

Precise Nut with Comparison Number 12155789Discover the subtle features of our nut with the comparison number 12155789. This component weighs only 0.055 kg and is selectively offered as a suitable replacement part to efficiently manage mounts and connections. This nut is compatible with MWM & Deutz engines and thus represents a thoughtful addition to your workshop supplies.Choose Premium OEM Replacement PartsOur nut is an OEM replacement part that delivers optimal performance and durability. OEM replacement parts precisely meet the manufacturer's specifications and highlight qualitative differences from aftermarket offerings. With the comparison number 12155789, you receive a suitable part that ensures your MWM & Deutz engines can operate at their best.

NUT - 12155788 suitable for MWM & Deutz engines

NUT - 12155788 suitable for MWM & Deutz engines

Precise and Reliable: Comparison Number 12155788Discover our product with comparison number 12155788 – a nut that is perfectly suited to support a busy world of motorized technology. This high-quality replacement part fits MWM & Deutz engines and ensures smooth operation of your machines. Weighing only 0.07 kg, it is efficient and easy to handle.Trust in Replacement Parts: Quality First-HandOur product is an outstanding example of OEM replacement parts, sourced directly from the manufacturer. Compatible with MWM & Deutz engines, our nut offers the quality and reliability your machines require, unlike the alternatives available in the market.

NUT - 12155787 suitable for MWM & Deutz engines

NUT - 12155787 suitable for MWM & Deutz engines

NUT with the comparison number 12155787 suitable for MWM & Deutz 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.

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.

No results.