Bolt and screw – solutions for marine & industrial
Every engine relies on a secure and vibration-resistant fastening system. A high-quality bolt and screw setup holds together engine blocks, manifolds, and accessories across diesel, gas, and marine systems. In industrial applications, engine screws and motor bolts provide structural stability, resist thermal cycling, and support precision alignment. For marine use, corrosion-resistant marine bolt and marine screws ensure lasting safety even in harsh saltwater environments.
Choose from following:
SCREW/BOLT - N1011055478 suitable for MAN D engines
Precision Screw Compatible with MAN D EnginesDiscover the screw with comparison number N1011055478, the essential OEM replacement part for engines. This screw offers easy installation and the reliability that you can expect from OEM replacement parts.
HEXAGON BOLT - N1011055474 suitable for MAN D engines
Robust Hexagon Bolt for Your EnginesDiscover the hexagon bolt with the comparative number N1011055474, which is ideally suited as an OEM replacement part. This bolt has been designed specifically for MAN D engines. Its precise craftsmanship ensures high quality that reflects in the performance of your engines.OEM Replacement Parts for MAN D EnginesThis hexagon bolt is an essential OEM replacement part made from top-quality materials. It offers an excellent fit and is crucial for the reliability of the engines. You can rely on the durability and robustness that our products are known for.
SCREW/BOLT - N1011055470 suitable for MAN D engines
High-Quality Screw with Comparison Number N1011055470The screw with the comparison number N1011055470 is an outstanding OEM spare part, ideal for reliable use in engines. Enhance your machines with this screw that has been specifically manufactured to meet the highest standards. Rely on the quality of a true OEM spare part that offers durability and precision.Reliability and Fit for MAN D EnginesThis product is suitable for MAN D engines and ensures a perfect fit and functionality with optimal design that you need for your applications. Trust in the benefits that only an OEM spare part can provide.
CYLINDER SCREW - N1011055440 suitable for MAN D engines
Cylinder Screw for MAN D EnginesDiscover our Cylinder Screw with the comparison number N1011055440, an essential OEM spare part specifically designed for engines. This component belongs to the article group of Screws and impresses with its top-quality that you expect when maintaining your engines.Benefits of OEM Spare PartsUnlike aftermarket products, our OEM spare parts such as the Cylinder Screw provide safety and reliability. This spare part is suitable for MAN D engines and helps to maintain the performance of your machines. Rely on this precise manufacturing to enhance the efficiency of your engines.
CYLINDER SCREW - N1011055439 suitable for MAN D engines
Cylinder screw with comparison number N1011055439Discover the cylinder screw with the comparison number N1011055439, a top-quality OEM spare part specifically designed for engines in marine and stationary applications. This cylinder screw ensures the highest quality and is perfectly suited to optimize the performance of your machines.OEM spare parts suitable for MAN D enginesOur product, the cylinder screw, is suitable for MAN D engines and ensures that you receive OEM spare parts that meet high standards. Enjoy the reliability and durability supported by our extensive experience in the industry.
CYLINDER SCREW - N1011055438 suitable for MAN D engines
Cylinder Screw with Comparison Number N1011055438Discover our cylinder screw with the comparison number N1011055438, which is an essential product for engines that must meet the highest demands. This cylinder screw has been designed to meet performance requirements and provide durability.
CYLINDER SCREW - N1011055437 suitable for MAN D engines
Precise Cylinder Screw for Various EnginesDiscover our cylinder screw, the product with the comparison number N1011055437. This OEM spare part is distinguished by its excellent fit and is the ideal choice for your engine requirements.Suitable for MAN D EnginesThe cylinder screw is specifically designed and suitable for MAN D engines. It ensures a reliable connection and operational safety in marine and stationary applications. Rely on the quality of our OEM spare parts that meet the highest standards.
CYLINDER SCREW - N1011055435 suitable for MAN D engines
Quality Cylinder Screw for MAN D EnginesThe cylinder screw with the comparison number N1011055435 is an essential OEM spare part that is perfectly designed to meet the requirements of engines. With exceptional fit, this product ensures that your machines operate reliably and efficiently.
CYLINDER SCREW - N1011055434 suitable for MAN D engines
Cylinder screw with comparison number N1011055434The cylinder screw with the comparison number N1011055434 is an essential product for the maintenance of your engines. It offers maximum reliability and meets the highest standards as an OEM replacement part.Precise quality for outstanding performanceThis replacement part is suitable for MAN D engines and meets the high demands placed on OEM replacement parts. Rely on our product to secure the longevity and performance of your engines.
SCREW/BOLT - N1011055428 suitable for MAN D engines
Quality of OEM Spare Parts for MAN D EnginesDiscover our OEM spare part – the screw/bolt with the comparison number N1011055428, which fits perfectly for MAN D engines. With this reliable product, we offer excellent functionality and durability.Precise Execution for Efficient EnginesThe comparison number N1011055428 identifies this unique spare part, specifically manufactured for engines in marine and stationary applications. This OEM spare part provides a precise fit and is an essential component designed for MAN D.
CYLINDER SCREW - N1011055405 suitable for MAN D engines
Precise Cylinder Screw for Your ApplicationsDiscover the cylinder screw with the comparison number N1011055405, which is optimally designed for use in large engines. This product impresses with its precise construction and thus meets the highest requirements in marine and stationary applications.
SCREW/BOLT - N1011055404 suitable for MAN D engines
Precision and Quality for Your EnginesExperience the precision of our screw/bolt with the comparison number N1011055404, specifically designed to optimize the performance of your engines. This part impresses with its accuracy and durability and is essential for reliable applications.Suitable for MAN D EnginesThis screw/bolt is ideally suited for MAN D engines and offers the highest functionality. Our products are suitable for manufacturers who rely on the quality of high-standard parts. Trust in our extensive range of high-quality replacement parts.
COUNTERSUNK SCREW - N1011055393 suitable for MAN D engines
Countersunk Screw with Comparison Number N1011055393Discover our countersunk screw with the comparison number N1011055393. This OEM replacement part ensures optimal function and is specifically designed to securely support machines and engines compatible with MAN D. Take advantage of the benefits this product offers.Quality and Reliability in Every ProductOur countersunk screw is a prime example of the quality we provide at MOPA Motorparts. The comparison number N1011055393 represents an OEM replacement part specifically designed to meet the requirements of engines. Trust in our expertise in providing OEM replacement parts as we continue to support engines from renowned manufacturers.
COUNTERSUNK SCREW - N1011055390 suitable for MAN D engines
Exquisite Countersunk Screw with Comparison Number N1011055390Discover our countersunk screw with the comparison number N1011055390, specifically developed to provide an optimal fit for MAN D engines. This OEM spare part ensures the highest quality standards and the reliability you need for your engines, as it comes directly from the manufacturer.
SCREW/BOLT - N1011055369 suitable for MAN D engines
Precise screw/bolt suitable for MAN D enginesDiscover the screw/bolt with the comparison number N1011055369, designed specifically for MAN D engines. This OEM spare part meets the highest quality standards, ensuring optimal performance of your engines.
HEX SHOULDER STUD - N1011055368 suitable for MAN D engines
Hex shoulder stud suitable for MAN D enginesDiscover our hex shoulder stud with the comparison number N1011055368. This product is an essential OEM replacement part that provides the quality and durability you need for your applications.Original Equipment Manufacturer Quality: OEM Replacement PartsOur hex shoulder stud is suitable for MAN D engines and offers you the reliability of OEM replacement parts. Compared to aftermarket products, this screw ensures an excellent fit and functionality.
HEX SHOULDER STUD - N1011055367 suitable for MAN D engines
Quality OEM Replacement Part for EnginesDiscover our Hex shoulder stud, an OEM replacement part specifically designed for MAN D engines suitable for your application. With the comparison number N1011055367, this product offers the safety and reliability you need for use in diesel and gas engines.
HEX SHOULDER STUD - N1011055365 suitable for MAN D engines
Hex Shoulder Stud with Comparison Number N1011055365Discover the Hex shoulder stud with the comparison number N1011055365, an essential component that is perfectly tailored to your needs. This part impresses with durability and reliability.
HEX SHOULDER STUD - N1011055361 suitable for MAN D engines
Hex Shoulder Stud – Versatile ProductDiscover the hex shoulder stud with the comparison number N1011055361. This product is ideal for optimizing the performance of your engines and impresses with quality typically found in OEM replacement parts.Suitable for MAN D EnginesThe hex shoulder stud is specifically designed to be compatible with MAN D engines. Rely on our expertise, as we only carry OEM replacement parts that keep your engines running efficiently.
HEX SHOULDER STUD - N1011055352 suitable for MAN D engines
Reliable Hex Shoulder Stud for Specific ApplicationsDiscover our product, the hex shoulder stud with the comparison number N1011055352. This screw belongs to the category of screws and is an essential OEM replacement part that ensures optimal functionality for your engines. The manufacturing quality assures a long service life.
HEX SHOULDER STUD - N1011055350 suitable for MAN D engines
High-Performance Hex Shoulder Stud for Your EnginesDiscover our Hex shoulder stud with the comparison number N1011055350, an essential product for the efficient operation of your engines. This OEM replacement part is characterized by its high precision and offers the best quality for use in marine and stationary applications as well as locomotives.Suitable for MAN D Engines in OperationOur Hex shoulder stud is specifically designed to be optimally compatible with MAN D engines. Suitable for the demanding requirements of these engines, this OEM replacement part supports reliable operation and a long lifespan.
- N1011055344 suitable for MAN D engines
Robust Hex Shoulder Stud for Your ApplicationsDiscover the hex shoulder stud with the comparison number N1011055344. This product is ideal for use in engines. The OEM replacement part offers maximum compatibility and performance for your applications. Rely on quality that meets your requirements.Perfect Fit for MAN D EnginesOur hex shoulder stud is suitable for MAN D engines and provides excellent features for your operation. These OEM replacement parts support the functionality and longevity of your installations. With the comparison number N1011055344, you are optimally equipped to work efficiently.
HEX SHOULDER STUD - N1011055334 suitable for MAN D engines
Reliable Hex Shoulder Stud for EnginesDiscover the hex shoulder stud with the reference number N1011055334, specifically designed for your needs. This product is suitable for MAN D engines and belongs to the category of screws. The precision of this hex shoulder stud ensures a trustworthy connection in your engine system.
SCREW/BOLT - N1011055329 suitable for MAN D engines
Precision Screw - Comparison Number N1011055329Discover the screw with comparison number N1011055329, an essential OEM replacement part specifically designed for your engines. This product combines quality and precision, ensuring that you always have the best components at hand for your maintenance.Suitable for MAN D Engines - Your SolutionThis screw is suitable for MAN D engines and offers a perfect fit. Made from robust materials, the OEM replacement part ensures stability under extreme conditions. Rely on a dependable performance that pays off.
What are bolts and screws used for in engine systems?
A bolt and screw is used to fasten components under mechanical stress. This includes cylinder heads, pumps, intake manifolds, mounts, and brackets. Engine bolt assemblies require high tensile strength and precise thread profiles to prevent loosening under load. In marine settings, bolts marine configurations include additional corrosion protection through zinc coatings, stainless alloys, or composite heads. Whether for permanent fastening or removable joints, motor screws and bolts form the basis of structural integrity in all engine types.
Function and benefits of bolts and screws in engines
- Secure static and dynamic connections across engine assemblies
- Resist vibration, pressure, and thermal expansion
- Support torque retention and load distribution
- Enable safe disassembly for maintenance and inspection
- Allow modular engine construction with standard sizes
In both land-based and marine power units, engine screws and motor bolt types are selected for load class, material strength, and thread pitch. Using the right bolt and screw combination reduces failure risks and simplifies service procedures.
Types and materials of marine and engine fasteners
- Hex head and flange bolts for structural engine joints
- Socket head motor screws for precision components
- Thread-locking marine screws for hull or motor mounts
- High-strength engine bolt sets with graded coatings
- Marine bolt systems with stainless steel or brass
Bolts marine assemblies often use A4 stainless or Duplex steel, ensuring protection against seawater and galvanic reactions. Motor screws in enclosed spaces may use black oxide or phosphate finishes for corrosion protection and ease of removal. Material selection depends on torque level, accessibility, and contact with fluids or chemicals.
Compatibility and sourcing
We offer fastening solutions suitable for MTU, Deutz, MAN, Volvo Penta, and MWM. Whether you're rebuilding a turbo mount, re-securing an exhaust manifold, or replacing critical head bolts, our bolt and screw range fits a wide variety of marine and industrial engines. We stock bolts by dimension, thread, material, and application group.
Thanks to our well-equipped warehouse and fast delivery options, we offer short lead times and quick availability for both standard and application-specific fasteners.
Use cases in industrial and marine applications
Marine screws are often used for water-cooled exhaust, hull penetrations, and engine bed mounting. Motor bolt sets are required for rotating assemblies and timing covers. Across applications, the right engine bolt and screw setup ensures alignment under thermal expansion and torque loading. For boats, hose adapter brackets, alternators, and gearboxes also require vibration-resistant marine bolt systems with low galling and secure locking.
Buying advantages with us
Our B2B shop provides:
- Fast worldwide shipping via DHL Express
- Material and strength class selection support
- Easy ordering for bulk or precision fasteners
We supply OEM-standard bolt and screw combinations for maintenance, repairs, or assembly upgrades. With practical kit options and single part selection, technicians can easily match specs during overhauls or engine conversions.
Related components to bolt and screw systems
Complementary items often include washers, retaining rings, thread-locking pastes, brackets, and custom spacers. These elements contribute to torque stability and fastener longevity in both mobile and stationary engines. A correct bolt and screw setup is fundamental to safe operation.
Frequently asked questions about bolts and screws
What is a screw?
A screw is a threaded fastener designed to be inserted into material or a pre-threaded hole to hold components together.
What is the difference between a bolt and a screw?
A bolt typically works with a nut and is used through unthreaded holes, while a screw forms its own thread or fits into a tapped hole.