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 - 81455030067 suitable for MAN D engines
Excellent Hex Collar Nut for EnginesThe hex collar nut with the comparison number 81455030067 is a top-quality OEM replacement part suitable for various demands in engine technology. This nut belongs to the group of nuts and impresses with its quality and durability.
HEX COLLAR NUT - 81455030066 suitable for MAN D engines
Hex Collar Nut for Your ApplicationsDiscover the Hex collar nut (comparison number: 81455030066), a top-quality product from MOPA Motorparts. These OEM replacement parts are suitable for MAN D engines and provide an excellent solution for marine and stationary use. Rely on the quality of this crucial component for reliable engine performance.
HEX COLLAR NUT - 81455030065 suitable for MAN D engines
Hex Collar Nut for EnginesDiscover the Hex collar nut, an OEM spare part with the comparison number 81455030065, specially designed for MAN D engines to meet the most demanding requirements. With this product, you can rely on the highest precision and quality essential for the efficient use of your engines.
HEX COLLAR NUT - 81455030064 suitable for MAN D engines
Reliable OEM Replacement Part: Reference Number 81455030064The Hex collar nut with the reference number 81455030064 is a useful OEM replacement part designed for MAN D engines. This robust product provides you with the precision you expect.Internal Controls Ensure QualityEvery product with the reference number 81455030064 undergoes strict internal controls to ensure it meets high standards. Trust in our quality when it comes to replacement parts for your MAN D engines.
HEX COLLAR NUT - 81455030063 suitable for MAN D engines
Precise Quality: Hex Collar Nut for EnginesThe hex collar nut with comparison number 81455030063 is an OEM replacement part, suitable for MAN D engines. This product belongs to the group of nuts and ensures a precise fit, allowing your machines to function properly.
HEX COLLAR NUT - 81455030061 suitable for MAN D engines
Precise and Reliable Hex Collar Nut The hex collar nut with the comparison number 81455030061 is a top-quality OEM replacement part. This product belongs to the group of Nuts and ensures the ideal connection for engine applications.
HEX COLLAR NUT - 81455030058 suitable for MAN D engines
Quality Hex Collar Nut for MAN D EnginesDiscover the hex collar nut with the comparison number 81455030058, an important OEM spare part designed specifically for use in diesel and gas engines. This nut provides a reliable connection and is an ideal solution for your engine needs.Suitable for MAN D EnginesThis hex collar nut is suitable for MAN D engines and belongs to the article group of nuts. By using OEM spare parts like this product, we ensure that you receive the required quality and durability for your equipment.
HEX COLLAR NUT - 81455030057 suitable for MAN D engines
Quality Product for Your EnginesDiscover the Hex collar nut with the comparison number 81455030057, a reliable product that meets the highest standards. This Hex collar nut is specifically designed to function optimally in engines needed in your industry.Suitable for MAN D EnginesThis OEM spare part is perfectly suited for MAN D engines, allowing for seamless integration into your existing system. The use of manufacturer parts ensures that you can trust in proven quality that supports the functionality of your machines in the long term.
HEX COLLAR NUT - 81455030056 suitable for MAN D engines
1. Hex collar nut for robust engines Discover the hex collar nut with the comparison number 81455030056, which provides a reliable solution for your engine needs. This product is suitable for MAN D engines and belongs to the group of Nuts. It offers optimal performance and quality.2. OEM replacement parts for best fit As an OEM replacement part, the hex collar nut ensures that you receive the highest fit accuracy for your applications. By using components from proven manufacturing, you achieve the durability and reliability you expect.
HEX COLLAR NUT - 81455030055 suitable for MAN D engines
Hex Collar Nut with Comparison Number 81455030055Discover the hex collar nut with the comparison number 81455030055, an essential component in the field of spare parts. This part is suitable for MAN D engines and offers perfect fit and reliability. Weighing just 0.28 kg, it ensures that your engines operate optimally.Quality through OEM Spare PartsThe comparison number 81455030055 identifies this hex collar nut as a component that meets the strict standards of the manufacturer. Unlike aftermarket products, which often provide inferior quality, our OEM spare part impresses with durability and consistency, allowing you to maintain the performance of your engines sustainably.
HEX COLLAR NUT - 81455030054 suitable for MAN D engines
Precise Hex Collar Nut for Your ApplicationsDiscover the hex collar nut with the comparison number 81455030054, which is ideal as a replacement part suitable for MAN D engines. This product impresses with its precise fit and careful workmanship, ensuring long-lasting performance and reliability. Weighing in at 0.223 kg, this nut is both lightweight and robust, making it perfect for use in demanding environments.
HEX COLLAR NUT - 81455030051 suitable for MAN D engines
Hex Collar Nut suitable for MAN D enginesDiscover the hex collar nut with the comparison number 81455030051, an essential product for your engines. This hex collar nut is offered as an OEM replacement part that specifically meets the requirements of MAN D engines. Its robust construction ensures reliability and a long service life, making it the ideal choice for various applications.Quality through internal controlAt MOPA Motorparts, quality and reliability are our top priorities. Every OEM replacement part, including the hex collar nut suitable for MAN D engines, undergoes thorough internal control. This ensures that all products meet the high standards you expect from a leading supplier.
HEX COLLAR NUT - 81455030050 suitable for MAN D engines
Top Quality: Hex Collar Nut for Your ApplicationsDiscover the hex collar nut with the comparison number 81455030050 – an essential element for engines in professional use. This nut weighs just 0.13 kg and provides a reliable solution for your requirements.
HEX COLLAR NUT - 81455030049 suitable for MAN D engines
Hex Collar Nut for Effective ApplicationsDiscover the hex collar nut with the comparison number 81455030049 – a reliable product specifically designed for use in engines. Weighing only 0.133 kg, this component is lightweight yet robust. It meets excellent standards for long-term use in demanding applications.Suitable for MAN D EnginesThis hex collar nut is suitable for MAN D and positively impacts the efficiency of your engines. As an OEM replacement part, it offers the same quality and fit as the manufacturer's components. Rely on top-notch manufacturing that supports your operational processes.
HEX COLLAR NUT - 81455030048 suitable for MAN D engines
Optimal Component for EnginesDiscover the hex collar nut with the comparison number 81455030048, an essential OEM replacement part for your engines. This product has been specifically designed to meet the highest standards. Weighing 0.11 kg, the hex collar nut is lightweight and easy to install.Suitable for MAN D EnginesThe hex collar nut is suitable for MAN D engines and offers optimal fitment. As an OEM replacement part, it meets the manufacturer's specifications and ensures long-lasting and reliable performance. Unlike aftermarket products, the quality of the hex collar nut stands out and assures effective functioning of your engine.
HEX COLLAR NUT - 81455030047 suitable for MAN D engines
Robust Hex Collar Nut for MAN D EnginesDiscover our hex collar nut with the comparison number 81455030047, a crucial OEM spare part for your engine needs. This product is suitable for MAN D engines and offers you the perfect solution. Weighing only 0.09 kg, this component is not only lightweight but also optimally designed for long-term use.Excellent Fit for Highest DemandsThe hex collar nut from our range impresses with its excellent fit, specifically tailored to the requirements of MAN D engines. As an OEM spare part, it ensures smooth operation and a long lifespan. Rely on our expertise in the field of engines to keep the performance of your machines at a high level.
HEX COLLAR NUT - 81455030035 suitable for MAN D engines
Hex Collar Nut for Reliable Engine ApplicationsDiscover the Hex collar nut, an important product listed under the comparison number 81455030035. As part of the category of Nuts, this OEM replacement part is specially designed for use in engines, particularly compatible with MAN D. Weighing only 0.065 kg, the hex collar nut is not only lightweight but also extremely sturdy, making it ideal for maritime and stationary applications.
HEX COLLAR NUT - 81455030028 suitable for MAN D engines
Hex Collar Nut - Comparison Number: 81455030028The hex collar nut with the comparison number 81455030028 is an essential product for the operation of engines. This OEM spare part impresses with its durability and precision. Specifically designed to meet the demands for performance and reliability, this component is suitable for MAN D engines and offers excellent fit, which is crucial for optimal use.Efficient Solutions for MAN D EnginesAs an OEM spare part, the hex collar nut provides an ideal solution for various applications in the marine and stationary sectors as well as in locomotives. Weighing 0.162 kg, it combines lightness and robustness, ensuring long-term functionality of your engines. Benefit from original equipment quality and secure trustworthy spare parts.
HEX COLLAR NUT - 81455030027 suitable for MAN D engines
Optimal Replacement Part for High-Performance EnginesDiscover the Hex collar nut with the comparison number 81455030027, an essential OEM replacement part designed for MAN D engines. This product is a core component for diesel and gas engines and is excellently suited for various applications in the maritime sector as well as in stationary and locomotive-based systems. Weighing only 0.07 kg, this component combines functionality and efficiency.
HEX COLLAR NUT - 81455030025 suitable for MAN D engines
Reliable Hex Collar Nut for EnginesDiscover the hex collar nut with the comparison number 81455030025, which provides a reliable solution for your engines. This product is a robust OEM replacement part that perfectly meets your requirements. Weighing only 0.03 kg, the hex collar nut is easy to handle while being strong enough for use in challenging conditions.Suitable for MAN D EnginesOur hex collar nut is specifically designed for and compatible with MAN D engines. As an OEM replacement part, we offer the highest quality you expect from products that come directly from the manufacturer. Compared to aftermarket parts, our products allow for optimal fit and efficiency.
HEX COLLAR NUT - 81455030022 suitable for MAN D engines
Hex Collar Nut: Product InformationDiscover the hex collar nut with the comparison number 81455030022. This OEM spare part is suitable for MAN D engines and is ideal for reliable connections in various engine systems. Weighing only 0.02 kg, the hex collar nut is the perfect solution for your engine-related needs.Efficiency and Performance for EnginesThe hex collar nut belongs to the article group of nuts and offers significant advantages for engines. Suitable for MAN D engines, this OEM spare part demonstrates high durability. Rely on the quality you can expect from a product like the hex collar nut.
HEX COLLAR NUT - 81455030021 suitable for MAN D engines
Hex Collar Nut for MAN D EnginesDiscover the Hex collar nut with the reference number 81455030021, an indispensable OEM spare part that is suitable for MAN D engines. Weighing only 0.01 kg, this product combines lightness and reliability. The quality of OEM spare parts ensures that your engines always perform optimally.
HEXAGON NUT - 81454230000 suitable for MAN D engines
Robust Hexagon Nut for Reliable ApplicationsDiscover the hexagon nut with the comparison number 81454230000, which is indispensable for a variety of engines. This hexagon nut ensures strong connections and is specifically designed for MAN D engines. Weighing only 0.06 kg, this product is versatile and easy to handle.Quality Through OEM Replacement PartsOur hexagon nut is an OEM replacement part that meets the highest standards. The replacement parts are thus suitable for MAN D engines and come from renowned manufacturers. Rely on the precision that only OEM can provide to ensure the performance of your machines.
TURNBUCKLE NUT - 81423030038 suitable for MAN D engines
Turnbuckle Nut with Precision and DurabilityDiscover the turnbuckle nut, the top-quality OEM spare part with the comparison number 81423030038. This product is ideal for reliable connections in challenging environments. Designed as a compatible part for MAN D engines, it offers the highest precision and longevity.
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.