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 - 85500010874 suitable for MAN D engines
Quality Tested Screw/Bolt Suitable for MAN D EnginesDiscover the screw/bolt with the comparison number 85500010874, a critical OEM replacement part that ensures ideal performance for your machines. This screw/bolt is suitable for MAN D engines and provides a perfect fit. Weighing only 0.02 kg, it plays a central role in the functionality of your engines and meets the highest standards.Robust Features for Marine ApplicationsThis OEM replacement part is particularly suited for applications in the marine sector as well as for stationary use. It is a screw/bolt designed to provide stability and durability in engines. Trust in the quality of replacement parts to enhance the efficiency of your devices.
HEX SHOULDER STUD - 85500010640 suitable for MAN D engines
Precise Hex Shoulder Stud for Your EnginesDiscover the hex shoulder stud, listed under comparison number 85500010640. This reliable product is suitable for MAN D engines and ensures that you achieve an effective connection within your engine system. Weighing only 0.05 kg, this stud is a practical solution for all applications in maritime and stationary areas.Reliable Quality under Comparison Number 85500010640The hex shoulder stud belongs to the group of screws and is a trustworthy OEM replacement part. It meets the stringent quality standards and requirements necessary for the effective operation of engines. The use of excellent materials makes this stud an ideal choice to optimize the performance of your engines and support their durability.
THREADED ROD - 85500010573 suitable for MAN D engines
Threaded rod 85500010573: Optimal Solution for MotorsDiscover the threaded rod with the comparison number 85500010573, an OEM replacement part that is particularly suitable for MAN D engines. This product belongs to the category of screws and ensures excellent compatibility. Weighing 1.02 kg, this threaded rod has all the prerequisites to meet the demands of your motors optimally.Precise Components Suitable for MAN D EnginesThe threaded rod is an essential component, suitable for MAN D engines, that meets the highest standards of precision and durability. Here you receive an OEM replacement part that impresses through careful manufacturing and high-quality materials. Therefore, you can be assured that the threaded rod meets the strict requirements in marine and stationary technology.
HOLLOW SCREW - 85500010566 suitable for MAN D engines
Precise Hollow Screw Suitable for MAN D EnginesThe hollow screw with the comparison number 85500010566 is an essential product suitable for MAN D engines. This OEM spare part represents top-notch quality and durability that can be used in a variety of applications. Weighing only 0.05 kg, the hollow screw can be effortlessly installed and provides the necessary stability for reliable engine performance.Reliability Through Internal ControlEvery OEM spare part, including the hollow screw, is verified through detailed internal controls. This ensures that only products of the highest precision leave our warehouse. Suitable for MAN D engines, this component is ideal for professionals who rely on powerful and durable solutions.
HOLLOW SCREW - 85500010562 suitable for MAN D engines
Precise Hollow Screw for Your EnginesDiscover the hollow screw with the comparison number 85500010562, an indispensable product specifically designed for your engine needs. This OEM spare part offers outstanding quality and fit to optimize the performance of your machines.
THREADED ROD - 85500010309 suitable for MAN D engines
High-Performance Component: Threaded RodDiscover our threaded rod as an OEM replacement part, suitable for MAN D engines. With the comparison number 85500010309, this product is your reliable element for optimal connections in marine and stationary applications. Weighing only 0.1 kg, it simplifies integration into your existing engine technology.Quality of OEM Replacement Parts vs. AftermarketOur threaded rod is offered exclusively as an OEM replacement part, which means it complies with strict manufacturer specifications. Unlike aftermarket products, OEM replacement parts like this one provide a precise and durable solution since they are directly controlled by the manufacturer.
THREADED ROD - 85500010307 suitable for MAN D engines
Threaded rod with comparison number 85500010307Discover the threaded rod with comparison number 85500010307, an indispensable OEM replacement part specifically designed for your needs. Weighing 1.1 kg and featuring a robust construction, this product is perfectly suited to optimize the performance of your engines. Experience the quality of the screws that are part of our extensive range and meet the highest standards.Article suitable for MAN D enginesThe threaded rod is suitable for MAN D engines. This OEM replacement part offers the precision and reliability essential for efficient engine operation. Rely on a product that has been specifically developed for this engine line and enhances your machine performance. Our long-standing experience as a second-generation family business ensures you consistent quality.
HEX SHOULDER STUD - 85500010250 suitable for MAN D engines
Hex Shoulder Stud with Comparison Number 85500010250Discover our Hex shoulder stud with the comparison number 85500010250, which offers a reliable solution for engine spare parts. This product is an essential accessory and falls under the category of Screws. The Hex shoulder stud is specifically suitable for MAN D engines, supporting an optimal connection of components and thereby enhancing the performance of your engine.OEM Spare Parts for the Highest StandardsIf you are looking for a suitable OEM spare part, the Hex shoulder stud is the right choice. Weighing in at 0.07 kg, this product offers stability and durability. This OEM spare part, developed for MAN D engines, meets the high standards you expect.
SCREW/BOLT - 85500010181 suitable for MAN D engines
High-Performance Replacement Part for MAN D EnginesDiscover the screw/bolt with the comparison number 85500010181, a premium product suitable for MAN D engines. This OEM replacement part is custom-made and meets the highest quality standards. Weighing just 0.07 kg, the screw/bolt is particularly handy, making installation significantly easier for you.
SCREW/BOLT - 85500010069 suitable for MAN D engines
Precise OEM Spare Part: Reference Number 85500010069 Discover our product with the reference number 85500010069, a screw/bolt specifically designed for your engine requirements. This OEM spare part comes from trusted manufacturers and offers absolute reliability. The exact fit for MAN D engines makes this component a top choice for marine and stationary applications.Robust Screw/Bolt for Your Engines Our screw/bolt, compatible with MAN D, provides the necessary stability for your applications through its careful construction and high quality. It weighs only 0.1 kg, making it easy to install. By choosing this screw/bolt, you can rely on it to meet the demands of your engines and ensure a long lifespan.Quality That Convince The quality of this OEM spare part is ensured by our strict internal controls. At MOPA Motorparts, we put great emphasis on selecting and inspecting our materials to ensure that all products, including the screw/bolt with reference number 85500010069, meet the high standards expected by our B2B customers.
HOLLOW SCREW - 85500009949 suitable for MAN D engines
Optimal Hollow Screw for Your EnginesExperience the top-quality hollow screw with the comparison number 85500009949. This product is precisely suitable for MAN D engines and thus represents an essential component for your diesel or gas engine. Weighing only 0.02 kg, this spare part is easy to handle and can be used in any application.Excellent OEM Spare Parts for the Highest DemandsAs an OEM spare part, the hollow screw meets the highest quality standards set directly by the equipment manufacturer. This allows you to achieve optimal performance of your engines. Unlike aftermarket parts, our products ensure an ideal fit and functionality.
SCREW/BOLT - 85500009797 suitable for MAN D engines
Essential Screw for MAN D EnginesDiscover our essential product, the screw with the comparison number 85500009797, specifically designed to meet your needs. This OEM replacement part offers you the reliability you require for your MAN D engines. Weighing only 0.05 kg, the screw is ideal for a variety of applications in marine and stationary fields.
SCREW/BOLT - 85500009610 suitable for MAN D engines
Discover the Screw – Comparison Number 85500009610Discover the reliable screw with the comparison number 85500009610, suitable for MAN D engines. This spare part is an important element for the functionality of your applications. Weighing only 0.04 kg, it is easy to handle and allows for effortless installation.Quality Products – OEM Spare Parts for Your EnginesOur screw is an OEM spare part that is crucial for the performance of your engines. The high manufacturing standards ensure the durability and efficiency of our products, which are specifically designed to meet the requirements of your engines. Rely on products from MOPA Motorparts!
SCREW/BOLT - 85500009609 suitable for MAN D engines
Precise Screw/Bolt with Comparison Number 85500009609Discover the reliable screw/bolt with the comparison number 85500009609, a precise OEM replacement part specifically designed to meet the most demanding requirements. This component is suitable for MAN D engines and ensures long-term functionality and efficiency of your drive.
SCREW/BOLT - 85500009607 suitable for MAN D engines
Optimal Performance with the Screw/Bolt 85500009607Discover the screw/bolt with the comparison number 85500009607, which is perfectly suited for your engines. This OEM replacement part offers a precise fit and is designed to be compatible with MAN D engines. Weighing just 0.05 kg, this screw/bolt is a crucial element to ensure the performance and durability of your machinery.Quality and Reliability of OEM Replacement PartsOur products are not only OEM replacement parts, but also components developed according to the strictest standards. The screw/bolt with the comparison number 85500009607 is produced by experienced manufacturers who meet high quality standards. Trust our expertise in the field of engines, including these parts that are compatible with renowned manufacturers such as MWM, Mercedes-Benz, Deutz, MAN, Volvo, MTU, Bosch, and Detroit Diesel.
ADJUSTING SCREW - 85500009547 suitable for MAN D engines
Adjusting screw suitable for MAN D – Your optimal solutionDiscover the adjusting screw with the comparison number 85500009547, an essential OEM spare part for your engines. This screw is lightweight (0.09 kg) and impresses with its durable quality. It is perfectly suitable for use in MAN D engines and ensures that your engine performs optimally under all conditions.
HOLLOW SCREW - 85500009498 suitable for MAN D engines
Reliable Hollow Screw compatible with MAN D EnginesThe hollow screw with the reference number 85500009498 is an essential OEM replacement part, perfectly suited for your engines. It offers a top-notch fit and is specially designed to meet the highest standards. Weighing just 0.05 kg, this product is both lightweight and robust, making it the perfect choice for applications in marine and stationary use.
HOLLOW SCREW - 85500009497 suitable for MAN D engines
Reliable Hollow Screw for Your EnginesThe hollow screw with the comparison number 85500009497 is an essential component that provides you with reliable performance. This product is compatible with MAN D engines and stands out for its precision and quality. Weighing only 0.04 kg, the hollow screw meets all requirements for marine and stationary applications where reliability is essential.
HEXAGON BOLT - 85500009403 suitable for MAN D engines
Hexagon bolt with reference number 85500009403Discover the hexagon bolt, reference number 85500009403, which plays an essential role in maintaining your machines. This product ensures that your engines remain in optimal condition and that performance stays stable. Weighing only 0.02 kg, the hexagon bolt is lightweight yet robust, making it ideal for use in various applications.
HOLLOW SCREW - 85500009359 suitable for MAN D engines
Precise Hollow Screw for Reliable Applications Discover the hollow screw with the comparison number 85500009359 – an essential product for oil and marine applications. This screw is designed as an OEM replacement part and ensures optimal connection and stability.Product Information for Engines Weighing only 0.05 kg, the hollow screw is ideal for use in engines. It is suitable for MAN D engines and meets the highest quality standards. Rely on OEM replacement parts specifically developed for your needs.
HOLLOW SCREW - 85500009306 suitable for MAN D engines
Excellent Hollow Screw for Your ApplicationDiscover the hollow screw with the comparison number 85500009306, an essential product in the screws category. This OEM replacement part is perfect for use in engines and impresses with its excellent quality and durability. Weighing only 0.06 kg, the hollow screw is easy to handle and ideal for various applications.
HOLLOW SCREW - 85500009015 suitable for MAN D engines
Hollow screw with comparison number 85500009015Discover the hollow screw with comparison number 85500009015, a premium product compatible with MAN D engines. This hollow screw is made from robust material and ensures a reliable fastening in your engines. It weighs only 0.06 kg and offers the optimal solution for your marine and stationary applications.
SCREW/BOLT - 85500001155 suitable for MAN D engines
Reliable Screw for Engines Discover the screw with the comparison number 85500001155, specifically designed to optimize the performance of your MAN D engines. This OEM spare part offers an excellent fit and ensures the reliability you expect from a product. Weighing only 0.04 kg, it is ideal for various applications in marine and stationary environments.
SCREW PLUG - 85500001148 suitable for MAN D engines
Screw plug suitable for MAN D – Technical ExcellenceDiscover the screw plug, a crucial component designed specifically for MAN D engines. With the reference number 85500001148, this product ensures an optimal fit and a secure connection. Durability and reliability are the top priorities for this item and are essential for the performance of your engines.OEM spare parts for your needsThis OEM spare part is specifically tailored to the demands of engines known for their robustness and efficiency. The product impresses with precise workmanship and longevity, ensuring reliable functionality. Weighing only 0.03 kg, it allows for easy handling and installation.
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.