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:
HEX COLLAR NUT - 81906850163 suitable for MAN D engines
Hex Collar Nut – Comparison Number 81906850163Discover the hex collar nut with the comparison number 81906850163, a top-quality OEM replacement part, suitable for MAN D engines. This component is meticulously crafted to meet the high demands of marine and stationary applications. Weighing 0.465 kg, it provides the necessary stability to ensure a reliable connection.
HEX COLLAR LOCK NUT - 81906850152 suitable for MAN D engines
Excellent Hex Collar Lock Nut for EnginesDiscover the Hex collar lock nut, an OEM replacement part with the comparison number 81906850152, specifically designed for MAN D engines. Weighing only 0.16 kg, this product ensures a secure and reliable connection in your engines. Every detail is designed to provide the highest precision and durability.
SLEEVE NUT - 81906850141 suitable for MAN D engines
Reliable Sleeve Nut for Various EnginesThe sleeve nut with the part number 81906850141 is a precisely manufactured OEM replacement part. It is suitable for MAN D engines and ensures a reliable connection within the engine assembly. Weighing only 0.06 kg, this product is not only lightweight but also extremely robust to meet the demands of marine and stationary use.Efficient Solution for Engine NeedsThis sleeve nut is an indispensable OEM replacement part that stands out due to its excellent fit. Suitable for MAN D engines, it offers a top-notch solution to ensure the functionality of your engines. Rely on the high quality of this product, which has been specifically designed to keep your machines running efficiently.
NOZZLE CAP NUT - 81906850139 suitable for MAN D engines
Nozzle cap nut Comparison Number 81906850139Discover the nozzle cap nut with the comparison number 81906850139 – a significant product for efficient engine performance. This OEM replacement part is perfectly suited for applications where MAN D engines are used. Weighing only 0.04 kg, this component still offers maximum stability and performance.
SLEEVE NUT - 81906850136 suitable for MAN D engines
Quality Feature: Sleeve Nut for MAN D EnginesDiscover the sleeve nut with the comparison number 81906850136, an indispensable product that is compatible with MAN D engines. This sleeve nut belongs to the category of nuts and impresses with its durability. Weighing only 0.005 kg, it is lightweight yet designed for the demanding conditions in marine and stationary applications.
HEX COLLAR NUT - 81906850133 suitable for MAN D engines
Hex collar nut compatible with MAN D enginesDiscover the hex collar nut with the reference number 81906850133. This product is specifically designed to be fully compatible with engines suitable for MAN D engines. Weighing only 0.11 kg, it allows for efficient handling and easy assembly – optimal for applications in maritime and stationary engine technology.
SLOTTED ROUND NUT - 81906850132 suitable for MAN D engines
Precision and Quality: Slotted Round Nut 81906850132Discover the slotted round nut with the part number 81906850132, a robust and reliable OEM spare part specifically designed for engines. Weighing only 0.003 kg, this product offers a precise fit and an easy-to-handle installation. The slotted round nut belongs to our product group "nuts" and is ideal for applications where high standards of quality and durability are required.Optimal Use: Suitable for MAN D EnginesThis OEM spare part is suitable for MAN D engines and provides seamless integration into your existing system. Rely on this slotted round nut to ensure a durable connection and optimal performance. The quality of OEM spare parts is characterized by their reliability, which is essential in demanding operating environments.
SLEEVE NUT - 81906850128 suitable for MAN D engines
Innovative Product: Sleeve Nut for EnginesDiscover the sleeve nut with the reference number 81906850128, an indispensable OEM spare part specifically designed to provide reliable performance. This product is compatible with MAN D engines and offers the quality you expect from OEM spare parts. Rely on the durability and precision that this component brings to your engine.Quality that Convices: Reference Number 81906850128The reference number 81906850128 corresponds to an OEM spare part and belongs to the category Nuts. Weighing only 0.04 kg, the sleeve nut is easy to handle, while its robust construction ensures it can withstand extreme conditions. If you are looking for a product that keeps your engines performing optimally, this sleeve nut is the right choice.
HEX LOCK NUT AM45X2-8-SW70 - 81906850125 suitable for MAN D engines
Optimal OEM Replacement Part for Your EnginesDiscover the Hex collar lock nut with the comparison number 81906850125, specifically designed for your requirements in the field of diesel and gas engines. This replacement part is essential for a secure and stable connection in engines.Efficient Solution Suitable for MAN D EnginesOur Hex collar lock nut is suitable for MAN D engines and provides reliable protection and stability. Weighing 0.66 kg, this product ensures durability—factors that are particularly important in marine and stationary applications.
SLEEVE NUT - 81906850122 suitable for MAN D engines
Robust Sleeve Nut for Reliable ApplicationsOur sleeve nut (comparison number: 81906850122) is an essential OEM spare part specifically developed for the requirements of suitable for MAN D engines. Weighing only 0.007 kg, this product offers optimal performance and excellent fit. With us, you will find exclusively OEM spare parts that comply with the strict specifications of the manufacturers.Quality and Reliability in Every DetailThe sleeve nut is an important component for efficient engine performance. It ensures perfect functionality in combination with suitable for MAN D engines. Trust in the high quality of OEM spare parts designed specifically for marine and stationary use. Every product in our range is carefully selected to meet your expectations for performance and safety.
HEX COLLAR NUT - 81906850121 suitable for MAN D engines
Precise Specification of the Hex Collar NutDiscover the hex collar nut with the comparison number 81906850121. This premium OEM spare part offers reliable performance across a wide range of applications. The hex collar nut weighs only 0.04 kg and is ideal for assembly and disassembly. Its robust construction ensures that it meets the demands of engines.Suitable for MAN D EnginesThis hex collar nut is specifically suitable for MAN D engines and represents the optimal solution for your maintenance needs. By using OEM spare parts, you secure the best functionality and lifespan of your machines. Rely on the high standard that our product provides when making your decision.
HEXAGON NUT - 81906850120 suitable for MAN D engines
Premium Hexagon nut for reliable engine applications Discover the hexagon nut with the comparison number 81906850120, an essential OEM spare part specifically designed for MAN D engines. This component ensures stability and is made from the finest materials, providing long-term performance in demanding applications.Comparison number 81906850120 - Quality in every detail The comparison number 81906850120 signifies a selection you can expect in your machine application. Rely on our OEM spare parts, compatible with MAN D engines, that ensure a reliable connection.
UNION NUT - 81906850119 suitable for MAN D engines
Premium Quality: Union Nut and OEM Replacement PartsDiscover the union nut with the comparison number 81906850119, developed as a reliable OEM replacement part suitable for MAN D engines. This component in the category nuts provides an optimal connection for various applications in your engine. Weighing only 0.02 kg, the union nut achieves maximum efficiency while maintaining a lightweight profile.Efficient Solutions for EnginesThe union nut is an essential component specifically designed to fit MAN D engines. These OEM replacement parts offer a precise fit, ensuring long-term stability and efficiency within the engines. Rely on these robust components to optimize the performance of your systems.
WING NUT - 81906850118 suitable for MAN D engines
Premium Wing Nut - Comparison Number 81906850118Our wing nut is an excellent OEM spare part that has been specifically designed. With the comparison number 81906850118, this product ensures that it is perfectly suited to optimize the performance of your compatible MAN D engines. Rely on our quality to increase operational safety.
SQUARE NUT - 81906850113 suitable for MAN D engines
Optimal Connection: The Square Nut 81906850113Discover the innovative square nut, comparable to the reference number 81906850113. This premium OEM replacement part is ideal for use in various engines. The precision of the design ensures that the square nut seamlessly integrates into systems compatible with MAN D engines.Trust in Our Product QualityThe square nut weighs just 0.003 kg and is designed to withstand the highest demands in challenging environments. This product is a reliable component specifically developed to ensure optimal performance in engines compatible with MAN D engines.
HEXAGON NUT - 81906850112 suitable for MAN D engines
Hexagon nut with comparison number 81906850112Discover the hexagon nut with the comparison number 81906850112, specifically developed as an OEM replacement part. This hexagon nut is an essential product for the maintenance and repair of engines. Weighing only 0.004 kg, it combines lightness with robust performance and is ideal for various applications.
SPEED NUT - 81906850104 suitable for MAN D engines
Speed nut suitable for MAN D engines: Your solution! Discover the speed nut with the comparison number 81906850104 – an essential OEM replacement part for reliable applications in the industry. This precisely manufactured speed nut weighs only 0.002 kg and offers excellent fit accuracy. Trust in products that meet the high standards of engines.Replacement part with comparison number 81906850104 for your needs Our speed nut is an OEM replacement part designed specifically for MAN D engines. With this product, you receive a durable and robust solution that performs well in demanding environments. Utilize the consistent quality of our OEM replacement parts to ensure your engine's performance.
HEXAGON NUT - 81906850099 suitable for MAN D engines
Robust Hexagon Nut for Versatile ApplicationsThe hexagon nut with the comparison number 81906850099 is an essential OEM spare part specifically designed to work in engines compatible with MAN D engines. Weighing 0.285 kg, it offers excellent stability and reliability for various industrial applications.
HEXAGON NUT - 81906850098 suitable for MAN D engines
Robust Hexagon Nut as a Reliable ChoiceDiscover our Hexagon nut (comparison number: 81906850098), an essential Nuts part that is excellently suited to support engines in stationary and maritime use. Weighing just 0.008 kg, this product offers the necessary characteristics to ensure a stable and long-lasting connection.
HEXAGON NUT - 81906850097 suitable for MAN D engines
Hexagon nut for reliable applicationsDiscover the hexagon nut with the reference number 81906850097, an essential OEM spare part for your engines. This hexagon nut is specially designed to create a perfect connection. It is suitable for MAN D engines and is ideal for use in marine and stationary applications. Weighing just 0.02 kg, it offers both stability and user-friendliness.Quality from OEM productionOur reference number 81906850097 represents OEM spare parts that come from manufacturers meeting the highest standards. This ensures high reliability, which is essential for MAN D engines. Compared to aftermarket products that often do not meet the same standards, our product offers increased durability and safety.
HEXAGON NUT - 81906850096 suitable for MAN D engines
Hexagon nut suitable for MAN D enginesDiscover the Hexagon nut with the comparison number 81906850096, which is suitable for MAN D engines. This high-quality product belongs to the group of Nuts and is ideal for the reliable operation of your engines. Weighing only 0.225 kg, it significantly simplifies installation.OEM replacement parts in first-class qualityThe Hexagon nut, suitable for MAN D, is an OEM replacement part and offers the quality you need. OEM replacement parts are manufactured to strict standards to ensure a precise fit and durability. Rely on our products to optimally support the performance of your engines.
UNION NUT - 81906850094 suitable for MAN D engines
Union nut with comparison number 81906850094Discover the union nut with the comparison number 81906850094, an essential product that reliably supports your engines. This union nut belongs to the group of nuts and is specially designed to create a secure connection in various applications. Weighing only 0.014 kg, this OEM replacement part is precisely tailored and optimally suited for your requirements.OEM replacement parts suitable for MAN D enginesThe union nut with comparison number 81906850094 is suitable for MAN D engines and offers the quality you expect from an OEM replacement part. Rely on the best original equipment manufacturer quality, which is reflected in the durability and reliability of our products. We are proud to offer you this essential component at an attractive price.
UNION NUT - 1523312000 suitable for Bosch engines
Reliable Union Nut: Comparison Number 1523312000Discover the union nut with the comparison number 1523312000, an essential component suitable for MAN D engines. This OEM spare part meets the highest quality standards necessary for the efficient operation of diesel and gas engines. Weighing only 0.014 kg, the union nut is both lightweight and robust, ideal for demanding environments in marine and stationary applications as well as in locomotives.
SLEEVE NUT - 81906850093 suitable for MAN D engines
Robust Sleeve Nut for Your ApplicationsDiscover the sleeve nut with the comparison number 81906850093, specifically designed for use in engines. This product is an essential OEM replacement part that offers optimal performance and reliability. Weighing just 0.04 kg, it is both lightweight and functional, perfect for numerous applications.Suitable for MAN D EnginesThe replacement part is compatible with MAN D engines and belongs to the group of nuts. Thanks to our high quality standards, you receive an OEM replacement part manufactured by producers that meet the highest demands.
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.