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 - 85500001115 suitable for MAN D engines
Hexagon nut suitable for MAN D enginesDiscover the hexagon nut with the comparison number 85500001115, which has been specially designed to support engines suitable for MAN D. This OEM replacement part, weighing only 0.05 kg, brings the precision and quality needed for optimal operation of your engines. As an OEM product, this hexagon nut offers exact fit and durability.
HEXAGON NUT - 85400009721 suitable for MAN D engines
Hexagon nut for reliable enginesExperience the hexagon nut with the comparison number 85400009721, which is ideally suited as an OEM replacement part. This product is compatible with MAN D engines and offers outstanding precision that is essential for the smooth operation of your diesel and gas engines.
CASTLE NUT - 85400009682 suitable for MAN D engines
Reliable Castle Nut for Your ApplicationsDiscover our product, the castle nut with the comparison number 85400009682, specifically designed for reliable use in MAN D engines. This spare part represents the highest quality and an optimal fit in your engine application.Suitable for MAN D EnginesThe castle nut, suitable for MAN D, impresses with its robust construction and long service life. In all marine and stationary environments, this spare part ensures flawless performance. Rely on our expertise – we only offer the best spare parts.
HEXAGON NUT - 85400009681 suitable for MAN D engines
Hexagon nut with reference number 85400009681The hexagon nut with reference number 85400009681 is a high-quality OEM spare part, suitable for MAN D engines. It ensures a secure and durable connection in demanding applications. This product meets the high quality standards of the industry and is ideal for use in marine and stationary engines.Experience and ExpertiseAs a family-owned business in its 2nd generation, we specialize in OEM spare parts compatible with various manufacturers, including MWM, Mercedes-Benz, and Deutz. Our hexagon nut, as well as all other engine spare parts, stands for the highest quality and reliability.
CASTLE NUT - 85400009675 suitable for MAN D engines
Quality Product: Castle Nut for Your EnginesThe castle nut with the comparison number 85400009675 is an important OEM spare part that ensures the reliability of your engines. This product provides optimal fit and functionality, which are essential for professional applications.Suitable for MAN D EnginesThis spare part is specifically designed and suitable for MAN D engines. Due to its precise manufacturing, the lifespan of your engines is significantly extended. The castle nut supports secure fastening and contributes to the efficiency of your applications.
NUT - 85400009661 suitable for MAN D engines
Efficient OEM Spare Part Suitable for MAN D EnginesOur screw with the comparison number 85400009661 is an essential OEM spare part, suitable for MAN D engines. This screw has been specifically designed to meet industry requirements and ensures a reliable connection.
NUT - 85400009540 suitable for MAN D engines
Robust Nut for Engines Discover our Nut with the comparison number 85400009540, an essential OEM replacement part specifically designed to ensure reliable performance in engines. This product is suitable for MAN D engines and offers the highest quality and precision.
NUT - 85400009537 suitable for MAN D engines
Precision Nut for the Highest DemandsDiscover the nut with the comparison number 85400009537 – a precise spare part specifically designed to meet high requirements in engine technology. This nut is optimally suitable for MAN D engines and plays an essential role in the interaction of components.Quality through OEM StandardsAs suitable for the manufacturer MAN D, this product ensures long-term performance and reliability of your engines. The comparison number 85400009537 is your key to stable and resilient engine performance, which is crucial in both marine and stationary applications.
NUT - 85400009530 suitable for MAN D engines
Reliable Nut for MAN D EnginesDiscover the nut with the comparison number 85400009530, a reliable OEM replacement part suitable for MAN D engines. Carefully selected, this product offers a perfect fit and is an essential foundation for the performance of your engines.Qualitative Internal ControlOur internal controls ensure that the quality of this nut meets the highest standards. We only distribute OEM replacement parts that have been tested for durability and performance – ideal for use in marine and stationary applications.
NUT - 85400009527 suitable for MAN D engines
Excellent OEM Replacement Part for Your EnginesDiscover our Nut with the comparison number 85400009527, a reliable OEM replacement part that offers you maximum quality in application. This product perfectly meets your requirements for engines and is suitable for MAN D engines.
NUT - 85400009521 suitable for MAN D engines
Precision Nut: Comparison Number 85400009521Discover the nut with the comparison number 85400009521, an OEM replacement part that is precisely suitable for MAN D engines. This nut provides a reliable fit and is crucial for the optimal performance of your engines.
NUT - 85400009520 suitable for MAN D engines
Quality Nut with Comparison Number 85400009520Discover the premium nut with the comparison number 85400009520, specifically designed for MAN D engines. This OEM replacement part belongs to the category "nuts" and offers excellent fit and durability.High-Quality Components Tailored to Your NeedsThis product is suitable for MAN D engines and ensures reliable functionality in diesel and gas engines. Benefit from the quality of an OEM replacement part that is optimized for marine applications and stationary use.
NUT - 85400009517 suitable for MAN D engines
Quality of the Nut for MAN D EnginesDiscover the nut with the comparison number 85400009517, specifically designed for MAN D engines. This product belongs to the group of nuts and meets the high demands in marine and stationary applications.Reliable OEM Spare PartsOur nut is an OEM spare part that meets the requirements in challenging environments. Suitable for MAN D engines, this product ensures optimal use in various applications.
NUT - 85400009513 suitable for MAN D engines
Nut suitable for MAN D enginesDiscover the nut with the comparison number 85400009513, a reliable solution for your engines. This product not only offers excellent fit but is also an essential OEM spare part specifically designed for your needs.Quality with OEM spare partsThe comparison number 85400009513 designates our OEM spare part, suitable for MAN D engines. This nut belongs to the group of nuts and ensures that your engines operate efficiently.
SLOTTED ROUND NUT - 85400009484 suitable for MAN D engines
Premium Slotted Round Nut for First-Class EnginesDiscover the slotted round nut with the comparison number 85400009484, a top-quality OEM spare part that is suitable for MAN D engines. This slotted round nut ensures the highest precision and reliability, providing the quality you can expect from products. With this slotted round nut, you are investing in the optimal performance of your engines.
SLOTTED ROUND NUT - 85400009340 suitable for MAN D engines
Slotted Round Nut: An Indispensable Spare Part Discover the slotted round nut with the comparison number 85400009340, an important component for the efficient functioning of engines. This OEM spare part is crucial for the reliability of your machines and offers an exact fit as well as optimal performance in various applications.
SLOTTED ROUND NUT - 85400009339 suitable for MAN D engines
Slotted round nut with comparison number 85400009339Discover the slotted round nut with comparison number 85400009339, an OEM replacement part specifically suitable for MAN D engines. This slotted round nut belongs to the article group Nuts and impresses with its durability and precision. With this product, you ensure the reliable functionality of your engines.Maximum precision and qualityThe slotted round nut is compatible with MAN D engines and enables an optimal connection of all components. By using this slotted round nut, you obtain an OEM replacement part that can help enhance the performance and efficiency of your machines. Rely on our commitment to offering only the best replacement parts for engines.
NUT - 85400009338 suitable for MAN D engines
Quality Nut Compatible with MAN D EnginesDiscover the OEM spare part, the nut with the reference number 85400009338, compatible with MAN D engines. This product offers first-class accuracy, which is crucial for the performance of your engines.Ideal Product for Your NeedsThe spare part is perfect for anyone looking for durable and effective solutions for their engines. As a family-owned business in its second generation, we specialize in providing you with only the best OEM spare parts.
NUT - 85400009337 suitable for MAN D engines
Quality Nut for Demanding ApplicationsDiscover the nut with the comparison number 85400009337, specially designed to optimally harmonize with MAN D engines. This product belongs to the article group of nuts and is suitable for the demanding requirements of OEM spare parts.Reliable Fit for MAN D EnginesOur nut is the ideal OEM spare part that ensures reliable performance and durability for MAN D engines. Rely on parts of original equipment quality at affordable prices, without compromising on quality.
HEXAGON NUT - 85400008657 suitable for MAN D engines
Quality Product: Hexagon Nut for MAN D EnginesDiscover the product Hexagon Nut with the comparison number 85400008657, specifically designed for MAN D engines. This OEM replacement part represents an ideal solution for applications in marine and stationary areas as well as for locomotives. With an exact fit, this OEM replacement part delivers reliable performance and a long lifespan.Robust Materials for EnginesThe Hexagon Nut weighs only 0.22 kg and combines robustness with thoughtful design. Top-quality materials have been used in its manufacturing, meeting the high standards of an OEM replacement part. From the selection of raw materials to production techniques: every detail is meticulously controlled to ensure the best properties for engines.
HEXAGON NUT - 85400008629 suitable for MAN D engines
Reliable Hexagon Nut for Various ApplicationsDiscover the hexagon nut with the comparison number 85400008629, a premium product that fits your requirements perfectly. This OEM replacement part is specifically designed for MAN D engines and is suitable for both marine and stationary applications. Weighing 0.3 kg, the hexagon nut offers an excellent combination of robustness and functionality.
BLIND RIVET NUT - 85400007438 suitable for MAN D engines
Blind Rivet Nut suitable for MAN D EnginesDiscover the blind rivet nut with the comparison number 85400007438, designed for MAN D engines. Weighing only 0.01 kg, this OEM replacement part offers outstanding precision and quality, which has been valued in the industry for over 25 years.Precise Solutions for Your EnginesThe blind rivet nut ensures an optimal connection and is suitable for demanding marine and stationary applications. High-quality OEM replacement parts ensure that your engine always functions reliably. Rely on this product to maximize the performance of your MAN D engines.
CASTLE NUT - 85400006188 suitable for MAN D engines
Robust Castle Nut for Efficient UseDiscover the castle nut with the comparison number 85400006188 – an essential OEM spare part specifically designed to deliver optimal results in engines. This castle nut, which belongs to the group of nuts, not only offers an excellent fit but also represents the highest precision in application.Precision in Detail: Comparison Number 85400006188The comparison number 85400006188 clearly identifies this OEM spare part. Weighing 0.52 kg, the castle nut is suitable for MAN D engines and ensures a secure connection that is indispensable in the challenging environment of diesel and gas engines. Rely on quality and durability with this finely tuned product.
NUT - 85400006185 suitable for MAN D engines
Robust Nut Suitable for MAN D EnginesDiscover our nut with the comparison number 85400006185, specifically designed for MAN D engines. This product from the category "nuts" ensures a reliable connection in various applications, particularly in the marine and stationary sectors, as well as in locomotives. Weighing 1.1 kg, it provides the necessary stability for your engine.Quality You Can Rely OnThis nut is an OEM replacement part that offers the same quality as the original product. As a suitable replacement part for MAN D engines, it represents the optimal solution for your needs and enhances the performance of your engine. Our OEM replacement parts are carefully manufactured and undergo strict quality controls, ensuring you can rely on their functionality.
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.