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 - 1599999080 suitable for Bosch engines
Optimal Solution for Your Engines: Screw 1599999080 Discover our product, the screw with the comparison number 1599999080. This spare part is perfectly suited for the demands of engines that require a reliable connection. With this screw, you ensure that your engines always function optimally.Ideal Fit for MAK Engines The screw is suitable for MAK engines and meets the highest quality standards. Each spare part is carefully inspected to support the performance of your machines. Trust that this screw will provide you with the stability and safety you need.
SCREW/BOLT - 1.2267-031 suitable for Bosch engines
Robust Screw with Comparison Number 1.2267-031Discover the screw with the comparison number 1.2267-031, an indispensable OEM spare part. This product offers reliable functionality in engines that are suitable for MAK engines.Quality Spare Parts for Your ApplicationsThe screw, suitable for MAK, belongs to the group of screws and provides excellent performance for diesel and gas engines. Rely on our decades of experience in the distribution of OEM spare parts.
HOLLOW SCREW - 06783404170 suitable for MAN D engines
Precise Hollow Screw Suitable for MAN D EnginesDiscover the hollow screw with the comparison number 06783404170, an OEM replacement part that is suitable for MAN D engines. This product ensures excellent fit and reliability in marine and stationary applications. Rely on this component that meets the highest standards.OEM Replacement Parts for Your NeedsWe specialize in OEM replacement parts specifically designed to optimally support your engines. By using the comparison number 06783404170, you can quickly identify the right product. Our hollow screw is therefore the ideal replacement when you prioritize quality and choose proven products.
HOLLOW SCREW - 06781400205 suitable for MAN D engines
Excellent Hollow Screw for Your RequirementsOur hollow screw with the comparison number 06781400205 is the ideal product to optimize the performance of your engines. This special OEM replacement part impresses with precise workmanship and long service life, which is especially important for demanding applications in marine and stationary engine technology.Suitable for MAN D EnginesThe hollow screw is suitable for MAN D engines and meets the highest standards. We offer you OEM replacement parts that have been developed precisely for your needs and support the efficiency of your engines.
HEXAGON BOLT - 000931012203 suitable for MTU engines
Essential Hexagon Bolt for ApplicationsDiscover the hexagon bolt with the comparison number 000931012203, an essential product specifically designed for use in heavy applications. This bolt is compatible with Deutz engines and provides an optimal connection for various engine types. Rely on the superior quality that these OEM spare parts offer to ensure the longevity and efficiency of your engines.Precise Fit for Deutz EnginesThe hexagon bolt with the comparison number 000931012203 is an important OEM spare part, weighing only 0.138 kg for easy handling. It provides a solid construction that has been developed for the 331 series compatible with Deutz engines. With this spare part, you maximize the functionality of your system and reduce potential downtimes, which is crucial for any operator.
SCREW PLUG - 06080920147 suitable for MAN D engines
Screw plug suitable for MAN D enginesDiscover the screw plug with the reference number 06080920147, which ensures optimal sealing and security. This OEM replacement part offers the highest precision and reliability for your MAN D engines. Our product is essential for engines that demand performance and durability.Trust in your OEM replacement partsOur products are suitable for MAN D engines and combine precision with functionality. The reference number 06080920147 is your key to a powerful engine. Rely on our OEM replacement part to secure your engine's efficiency in the long term.
SCREW PLUG - 06080620205 suitable for MAN D engines
Premium Screw Plug for Diesel EnginesDiscover our premium product, the screw plug with the comparison number 06080620205. This OEM spare part ensures a reliable seal and is specifically designed to work effectively with various suitable for MAN D engines. The comparison number 06080620205 stands for quality and precision.
SCREW PLUG - 06080620201 suitable for MAN D engines
Screw plug with comparison number 06080620201Discover the screw plug with the comparison number 06080620201, an essential part that offers quality and durability. This product is specifically designed to ensure optimal performance in engines.
SCREW PLUG - 06080420611 suitable for MAN D engines
Screw plug suitable for MAN D enginesThe screw plug with the reference number 06080420611 is an essential product that plays an indispensable role in engine technology. It is designed to provide optimal performance in diesel and gas engines. Weighing just 0.08 kg, this replacement part is not only lightweight but also robust, making it ideal for various applications in marine and stationary use.Quality standards for OEM replacement partsOur screw plug belongs to the category of OEM replacement parts and is developed suitable for MAN D engines. This ensures that this replacement part meets the high-quality standards of the manufacturer. At MOPA Motorparts, you receive tested quality at competitive prices. We are committed to providing you with the best solutions for your engines.
CYLINDER SCREW - 06042521109 suitable for MAN D engines
Cylinder Screw - Comparison Number 06042521109Discover our Cylinder Screw with the comparison number 06042521109. This product is suitable for MAN D engines and enables reliable use in a variety of applications. Rely on the quality of OEM spare parts to optimize the performance of your engines.Suitable for MAN D Engines - Providing QualityOur Cylinder Screw is part of the product group Screws and is specifically designed to meet the highest requirements. These solutions are suitable for MAN D engines and help improve the efficiency of your operations.
- 06042190091 suitable for MAN D engines
Innovative Product: Flat Head Screw M8x12-A2-70 Discover our flat head screw M8x12-A2-70, which is marked with the comparison number 06042190091. This product provides the perfect solution for reliable connections in your engine system. The screw is an OEM replacement part and impresses with its long-lasting performance.Component Suitable for MAN D Engines The flat head screw M8x12-A2-70 is suitable for MAN D engines and ensures an optimal connection. This product is ideal for demanding environments and meets all the requirements expected of a reliable component.
- 06042190079 suitable for MAN D engines
Robust Flat Head Screw m6x25-10.9-t30-man183-Discover the flat head screw m6x25-10.9-t30-man183-, marked with comparison number 06042190079. This OEM replacement part offers the quality and reliability you need for optimal engine function.Compatibility with MAN D EnginesThis product is specifically designed and suitable for MAN D engines. Using top-quality materials ensures that the screw meets the demands in challenging environments, such as maritime applications or locomotives.
- 06042190048 suitable for MAN D engines
Flat Head Screw for Reliable Engine Applications The flat head screw m8x30-a2-70, comparable to the reference number 06042190048, is an essential OEM replacement part. This product is suitable for MAN D engines and provides a top-notch solution for your applications.Quality Through Strict Controls Our OEM replacement parts, including this flat head screw, undergo rigorous internal inspections to meet the highest standards. With the reference number 06042190048, you can be confident that your engine will remain both durable and powerful.
- 06042190045 suitable for MAN D engines
Alternative Flat Head Screw for MAN D EnginesDiscover our product, the flat head screw M6x35-A2-70, which is ideally suited for MAN D engines. With the comparison number 06042190045, you can quickly find the appropriate OEM replacement part that ensures optimal performance and durability.Excellent OEM Replacement Parts for Your EnginesOur flat head screw M6x35-A2-70 is among the top-quality OEM replacement parts you need for MAN D engines. Quality and precision are the hallmarks of our products, ensuring that your machines operate efficiently at all times.
- 06042190034 suitable for MAN D engines
Precision and Quality: Flat Head Screw M10x20-10.9Discover the flat head screw M10x20-10.9 (comparison number: 06042190034), an essential product for your MAN D engines. This screw is characterized by its excellent material quality and precise workmanship, specifically designed for high demands in marine and stationary applications.OEM Replacement Parts: Suitable for MAN D EnginesOur flat head screw is an OEM replacement part that has been developed to fit MAN D engines perfectly. With the comparison number 06042190034, you receive a product that undergoes strict internal controls to ensure quality and durability.
CYLINDER SCREW - 06042014507 suitable for MAN D engines
Cylinder screw compatible with MAN D enginesDiscover the cylinder screw with the comparison number 06042014507, specifically designed for MAN D engines. This product offers you ideal accuracy and durability thanks to its OEM replacement part quality. Rely on this component for your engines to always ensure optimal performance.
- 06032290026 suitable for MAN D engines
Excellent Product: External Hex Round BoltDiscover our product, the External Hex Round Bolt with comparison number 06032290026. This OEM replacement part is exactly what you need for your engines to ensure optimal performance.Customized Solution: Fits MAN DThe External Hex Round Bolt is suitable for MAN D engines and offers a perfect fit. With this screw, you can ensure that your engines remain in excellent condition and maintain their performance.
- 06032290022 suitable for MAN D engines
Precise External Hex Round Bolt for Marine ApplicationsDiscover our reliable External Hex Round Bolt, comparison number 06032290022, specifically designed as an OEM replacement part. This product offers the highest precision and is suitable for MAN D engines. Rely on the outstanding quality of our OEM replacement parts that meet even the most demanding conditions.Optimal Fit for MAN D EnginesThe External Hex Round Bolt is carefully manufactured and offers a perfect fit, compatible with the powerful engines from MAN D. Our products are not only durable but also suitable for the challenging operating conditions in marine and stationary applications.
- 06032290021 suitable for MAN D engines
High-Performance External Hex Round Bolt in DetailDiscover the External Hex Round Bolt with the comparison number 06032290021, which is a perfect addition for your needs. This product from the category Screws impresses with precise quality and durability. Ideal for use in engines, it allows you to enhance the efficiency of your system.Optimal Fit through OEM Replacement PartsOur External Hex Round Bolt is suitable for MAN D engines and offers quality that stands out from aftermarket alternatives. Trust in our products, which have been specifically designed to meet the manufacturer’s standards.
- 06032290020 suitable for MAN D engines
Precise External Hex Round Bolt Compatible with MAN D EnginesDiscover the External Hex Round Bolt with the comparison number 06032290020, specifically designed to be perfectly compatible with engines. This product is an essential component suitable for many applications.Optimal Performance Through OEM Replacement PartsOur External Hex Round Bolt is compatible with MAN D engines and offers you replacement parts in original equipment manufacturer quality. With our many years of experience in the engine sector, we ensure that every OEM replacement part meets the highest standards.
- 06032290019 suitable for MAN D engines
External hex round bolt suitable for MAN D enginesDiscover our external hex round bolt, an essential OEM spare part with the comparison number 06032290019, perfectly suited to your requirements. This screw offers you the highest precision and quality for your systems.Suitable OEM spare part for reliable performanceThis product, suitable for MAN D engines, ensures the flawless functionality of your systems. Our external hex round bolt impresses with its durability and robust construction – essential features for reliable performance of your engines.
- 06032290016 suitable for MAN D engines
Convincing Quality of the External Hex Round BoltDiscover the External Hex Round Bolt with the comparison number 06032290016, an essential OEM spare part for your machines. This product is specifically designed to optimize the performance of engines.
- 06032290015 suitable for MAN D engines
Versatile External Hex Round Bolt with Comparison Number 06032290015Discover our External Hex Round Bolt with the comparison number 06032290015. This OEM spare part is specifically designed to fit MAN D engines. It offers an optimal fit and outstanding performance for use in demanding environments.Product Details and Comparison Number OverviewOur screw belongs to the group of screws and is an important component for the efficiency of your engines. With the comparison number 06032290015, you receive an OEM spare part that provides reliability and longevity.
- 06032290014 suitable for MAN D engines
Premium Quality: Your Replacement Part for MAN D EnginesDiscover our External hex round bolt, the OEM replacement part with the comparison number 06032290014. This precise screw is suitable for MAN D engines and impresses with its reliability and durability. This ensures the smooth operation of your engines under demanding conditions.OEM Replacement Parts: Perfectly Tailored to Your RequirementsOur range of OEM replacement parts is characterized by the highest quality. The comparison number 06032290014 ensures that our External hex round bolt is precisely adapted to the needs of MAN D engines. With a strict focus on internal controls, we ensure that each product meets the highest standards.
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.