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 - 81906850305 suitable for MAN D engines
Your Solution: Nut Suitable for MAN D EnginesDiscover the Nut with the comparison number 81906850305, an indispensable OEM spare part specially designed for engines suitable for MAN D. Weighing only 0.01 kg, this nut impresses with its high quality and reliability. It is an essential component in the overall structure and ensures that all components work together optimally.Reliable OEM Spare Parts for Various ApplicationsOur OEM spare parts are essential for the efficient operation of demanding engines. With over 1 million spare parts in our inventory, we provide everything you need. The comparison number 81906850305 represents the highest standards that all nuts must meet. Rely on the expertise of MOPA Motorparts to obtain the best parts for your requirements.
12-POINT COLLAR NUT - 81906850303 suitable for MAN D engines
12-point collar nut – Efficient ComponentThe 12-point collar nut with the comparison number 81906850303 is an essential OEM replacement part specifically designed to optimally meet the demands of engines. Weighing only 0.24 kg, this product ensures effortless handling and installation. Rely on the quality that our OEM replacement parts provide to ensure the longevity of your engines.
HEXAGON NUT - 81906850291 suitable for MAN D engines
Hexagon nut with comparison number 81906850291Discover the hexagon nut with comparison number 81906850291, an essential OEM spare part needed in many applications. Weighing only 0.05 kg, the hexagon nut offers remarkable robustness and durability, which is essential for efficient use.Suitable for MAN D – Ensuring reliabilityThis product is suitable for MAN D engines and is part of our comprehensive selection of OEM spare parts. Unlike aftermarket parts that often fail to provide the required quality, our OEM spare part ensures the best possible fit and functionality. Trust in quality that has proven itself.
HEXAGON NUT - 81906850290 suitable for MAN D engines
Hexagon Nut with Comparison Number 81906850290Discover the Hexagon nut with the comparison number 81906850290, an essential product for your MAN D engines. This Hexagon nut is an OEM replacement part specifically designed for use in diesel and gas engines. Weighing only 0.06 kg, it provides an ideal and reliable solution for marine and stationary applications.Quality That ConvincsThe Hexagon nut with comparison number 81906850290 impresses with its fit and high-quality workmanship. It is suitable for MAN D engines and ensures seamless integration into your existing machinery. Safety and efficiency are the priorities here, which optimize the functionality of your engines.
SQUARE NUT - 81906850287 suitable for MAN D engines
Robust Square Nut for EnginesDiscover the square nut with the comparison number 81906850287, an essential product in the category of nuts for engines. This OEM spare part weighs only 0.03 kg and is specifically designed to fit MAN D engines. The precise fit and high manufacturing quality ensure optimal performance and longevity, which are required in marine applications and stationary uses.
HEXAGON NUT - 81906850277 suitable for MAN D engines
Hexagon nut suitable for MAN D enginesThe hexagon nut with the comparison number 81906850277 is an essential OEM spare part designed for connecting components in MAN D engines. This specific product, which is indispensable in the group of nuts, provides a precise solution for your engines to ensure maximum efficiency and safety.
SLEEVE NUT - 81906850272 suitable for MAN D engines
Quality and Function: Sleeve NutDiscover our sleeve nut, a top-quality OEM replacement part listed under the comparison number 81906850272. These nuts are specially designed to support your compatible with MAN D engines. Rely on the precision that only OEM replacement parts can provide.Compatible with MAN D EnginesThe sleeve nut is compatible with MAN D and ensures a perfect fit as well as reliability. Weighing only 0.12 kg, this replacement part can be easily installed and is the ideal addition to your engines. Quality components are crucial for the efficiency of your machines.
SPEED NUT - 81906850270 suitable for MAN D engines
Reliable Product: Speed Nut 81906850270Discover the speed nut with the comparison number 81906850270, an indispensable product in the group of nuts. This OEM spare part impresses with its precise workmanship and is suitable for MAN D engines. You can rely on the quality and durability of this component, which has been specially designed for demanding applications in marine and stationary technology.Quality and Precision for EnginesThe speed nut 81906850270 has a lightweight of only 0.001 kg, allowing for easy handling. As a suitable component for MAN D engines, it ensures optimal functionality of your engines. In combination with other OEM spare parts from our range, you can significantly enhance the performance of your machines.
SPEED NUT - 81906850269 suitable for MAN D engines
Robust Product: Speed Nut Comparison Number 81906850269 The speed nut with the comparison number 81906850269 is an essential OEM replacement part for your engines. This product is specifically designed to provide optimal performance and longevity in applications. Using parts from the manufacturer ensures you the highest quality level you need for your machines.
HEXAGON NUT - 81906850261 suitable for MAN D engines
Hexagon nut with comparison number 81906850261Discover our Hexagon nut with the comparison number 81906850261, developed as an OEM spare part. This product is ideal for professional applications where reliability and precision are crucial. This Hexagon nut is suitable for MAN D engines and represents the quality of our OEM spare parts needed in maritime and stationary applications.
HEX COLLAR LOCK NUT - 81906850259 suitable for MAN D engines
Hex Collar Lock Nut with Comparison Number 81906850259Discover the Hex collar lock nut with the comparison number 81906850259, which is essential for engines used in marine and stationary applications. This product offers the perfect solution to ensure that your engine operates reliably. Weighing only 0.19 kg, the Hex collar lock nut allows for easy handling and installation.Fastening for Marine EnginesThis Hex collar lock nut is compatible with MAN D engines and meets high standards of quality and craftsmanship. Every component undergoes strict testing to ensure durability and safety in operation. Rely on OEM replacement parts specifically designed for your engines.
KNURLED NUT - 81906850257 suitable for MAN D engines
Robust Knurled Nut for EnginesDiscover the knurled nut with the comparison number 81906850257 – an essential OEM replacement part designed specifically to support the performance of your engines. This knurled nut is an excellent product suitable for a variety of applications in the industry and weighs only 0.01 kg, making handling significantly easier.Suitable for MAN D EnginesThe knurled nut is perfectly compatible with MAN D engines and meets the high standards of OEM replacement parts. With the comparison number 81906850257, you can be assured that you are receiving a product that promotes the longevity and efficiency of your engines. Rely on quality that provides reliable performance when maintaining your engines.
HEX COLLAR NUT - 81906850244 suitable for MAN D engines
Efficient Hex Collar Nut for Your NeedsThe hex collar nut with the comparison number 81906850244 is an essential product for your engine technology. This nut belongs to the category "Nuts" and is optimally suited for use in MAN D engines. It meets all requirements to support the performance and reliability of your engines.Suitable for MAN D Engines – An OEM Replacement PartThis OEM replacement part offers maximum precision and quality. With the comparison number 81906850244, you can ensure that you are acquiring a compatible component for MAN D. The hex collar nut weighs only 0.3 kg, making it an efficient solution for various applications within engine technology.
HEX LOCK NUT - 81906850243 suitable for MAN D engines
Hex Collar Lock Nut – Your Solution for EnginesDiscover the hex collar lock nut with the comparison number 81906850243, an important OEM replacement part specifically designed for engines. This product belongs to the category of nuts and delivers excellent performance in applications such as marine and stationary use. Weighing only 0.021 kg, this component is easy to handle and assemble.Suitable for MAN D EnginesThe hex collar lock nut is suitable for MAN D engines and offers you the highest quality. These OEM replacement parts are precisely manufactured to meet the high demands of the application. Rely on the reliability of this product, which ensures that your engines operate optimally and can be used for a long time.
- 81906850230 suitable for MAN D engines
Hex collar lock nut for MAN D enginesThe hex collar lock nut with the comparison number 81906850230 is an essential OEM spare part that ensures a reliable connection in engines. This product belongs to the category of nuts and offers optimal functionality as well as durability.
HEXAGON NUT - 81906850216 suitable for MAN D engines
Robust Hexagon Nut for Every ApplicationDiscover our hexagon nut, compatible with MAN D engines and equipped with the reference number 81906850216. This product provides you with the quality essential for the operation of engines in marine and stationary applications. Rely on the tested design of these OEM spare parts that withstands the highest demands.
WING NUT - 81906850209 suitable for MAN D engines
Wing nut for MAN D enginesDiscover our wing nut, which is equipped with the comparison number 81906850209. This OEM replacement part is specifically designed to optimize the performance of engines. Suitable for MAN D engines, the wing nut provides a precise fit and ensures stable connections in your engine drive.Perfect fit for applicationsThe wing nut weighs only 0.03 kg, making it lightweight and easy to handle. As OEM replacement parts, our products meet the highest standards. Ideal for the marine and locomotive sectors, the wing nut is suitable for MAN D engines and contributes to the reliability of your system.
SLOTTED ROUND NUT - 81906850204 suitable for MAN D engines
Precise Slotted Round Nut with Comparison Number 81906850204Discover the slotted round nut with comparison number 81906850204, specifically designed for MAN D engines. This OEM replacement part is essential for maximizing the performance and stability of your engines. Weighing only 0.001 kg, it is lightweight yet robust, perfectly suited for demanding environments.
HEXAGON NUT - 81906850197 suitable for MAN D engines
Hexagon nut for reliable applicationsThe Hexagon nut with the comparison number 81906850197 is the ideal spare part, specifically designed to ensure the functionality of your engines. This product is suitable for MAN D engines and provides a reliable connection even under demanding operational conditions. Weighing only 0.005 kg, this Hexagon nut offers an optimal balance between stability and lightness.
SPEED NUT - 81906850185 suitable for MAN D engines
Speed nut: Perfect for MAN D enginesDiscover our OEM replacement part, the speed nut with the comparison number 81906850185, which offers a precise fit for MAN D engines. This high-quality component contributes to the smooth operation of your engines and meets the highest standards of durability and performance.
SLOTTED ROUND NUT - 81906850178 suitable for MAN D engines
Slotted Round Nut for Reliable Engine PerformanceDiscover our slotted round nut with the comparison number 81906850178, an essential product for applications in shipping and stationary facilities. This slotted round nut is part of the article group "nuts" and is specifically designed to ensure a reliable connection. Its robust construction meets the demands placed on engines in challenging environments.Suitable for MAN D EnginesThe product is suitable for MAN D engines and is sold as an OEM replacement part. These OEM replacement parts provide the same quality as the manufacturer's parts, which is crucial for ensuring the efficiency of your engines. Ensure that your drive system remains in top condition by relying on tested quality.
HEXAGON NUT - 81906850177 suitable for MAN D engines
Precision Hexagon Nut for Reliable EnginesDiscover our hexagon nut with the comparison number 81906850177, which plays an essential role in the maintenance of your engines. This product belongs to the category of nuts and is particularly suitable for ensuring the performance of engines. With a weight of only 0.004 kg, the hexagon nut is lightweight yet robust, making it the ideal choice for marine and stationary applications.OEM Replacement Parts for Your MAN D EnginesThis hexagon nut is compatible with MAN D engines and is supplied in original equipment manufacturer quality. When selecting our OEM replacement parts, you can be confident that you are receiving the highest standards in terms of precision and durability. Each OEM replacement part is produced to support the optimal functioning of your engines.
SLEEVE NUT - 81906850175 suitable for MAN D engines
Discover Sleeve Nut with Comparison Number 81906850175Discover the sleeve nut with the comparison number 81906850175, an essential product for the maintenance of your engines. It belongs to the group of "nuts" and plays a central role in the operation of your engine. Weighing only 0.14 kg, this sleeve nut provides the stability you need for demanding applications.Quality Products for MAN D EnginesThe sleeve nut is an OEM replacement part designed for MAN D engines, offering the highest precision and durability. Compared to aftermarket parts, which often do not meet the same standards, our OEM replacement parts provide exceptional performance and reliability across all applications of your engines.
HEX COLLAR NUT - 81906850165 suitable for MAN D engines
Hex Collar Nut: An Essential Spare PartDiscover the Hex collar nut with the comparison number 81906850165, an essential product that perfectly suits your requirements. This spare part belongs to the category "Nuts" and impresses with the quality that is crucial for the stability and longevity of your MAN D engines. Weighing 0.51 kg, this component provides the necessary reliability.Suitable for MAN D: OEM Spare Parts for EnginesOur Hex collar nut is offered as an OEM spare part, meaning you receive a product of original equipment manufacturer quality. This comparison number 81906850165 is ideal for maximizing the efficiency of your engines. The spare part suitable for MAN D engines ensures seamless integration into existing systems.
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.