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:
EYE BOLT - 51904410127 suitable for MAN D engines
Reliable Product with Comparison Number 51904410127Experience the power and reliability of the product with comparison number 51904410127 – the eye bolt. This spare part is perfectly suited for engines and offers a thoughtful design as well as stability. With dimensions of 22 cm in length, 22 cm in width, and 1.6 cm in height, the eye bolt is ideal for its application. Weighing 0.179 kg, it provides durability and ease of handling in daily operations.Suitable for MAN D Engines – Optimal for Your ApplicationsThis OEM spare part is specifically designed for MAN D engines and meets high-quality standards. As a product from the Original Equipment Manufacturer, the eye bolt ensures precise manufacturing and reliable performance, thereby minimizing downtime. True performance leaders can rely on this product to maximize the lifespan of their engines and increase their efficiency.
EYE BOLT - 51904410126 suitable for MAN D-engines
Reliable Eye Bolt for Your ApplicationsDiscover the eye bolt with the reference number 51904410126, a solid OEM spare part specifically designed to meet the full requirements for suitable for MAN D engines. This product not only provides a reliable connection within your engine but is also compatible with various applications in marine and stationary engines. Weighing 0.134 kg and measuring 18.3 cm in length and 18.3 cm in width, the eye bolt is optimal for a variety of applications.Suitable for MAN D – Quality at a New LevelOur eye bolt is an OEM spare part, suitable for MAN D, ensuring a precise fit. Compared to aftermarket products, OEM spare parts demonstrate higher standards in terms of performance and durability. Therefore, you can trust that your applications will remain stable without having to make compromises.
EYE BOLT - 51904410125 suitable for MAN D-engines
Reliable Eye Bolt with Comparison Number 51904410125Discover the eye bolt with comparison number 51904410125 – an essential OEM replacement part specifically designed for reliable performance. This eye bolt belongs to the group of screws and impresses with its dimensions of 20.5 cm in length and width and 1.5 cm in height. Weighing 0.16 kg, it is easy to handle and seamlessly integrate into your projects, especially in marine and stationary applications.
EYE BOLT - 51904410124 suitable for MAN D-engines
Robust Eye Bolt for Demanding EnginesThe eye bolt with the comparison number 51904410124 is an important OEM spare part specifically designed for a variety of applications in the category of screws. Its use provides a reliable connection that significantly contributes to the stability of your engines. Weighing only 0.17 kg, it is easy to handle, while its robust construction ensures long-lasting performance.
EYE BOLT - 51904410123 suitable for MAN D-engines
Discover Eye Bolt with Comparison Number 51904410123Experience the reliable eye bolt with comparison number 51904410123, specifically designed to enable optimal performance. This product belongs to the screw category and weighs only 0.22 kg. It has been developed to harmonize perfectly with the demands of engines.OEM Spare Parts for High StandardsOur product is a valuable OEM spare part available in original equipment quality. With the comparison number 51904410123, we offer an eye bolt that meets the standards required for OEM spare parts. Quality and precision are at the forefront when it comes to providing safe components for your applications.
EYE BOLT - 51904410122 suitable for MAN D-engines
Excellent Eye Bolt for MAN D EnginesDiscover our eye bolt with the comparison number 51904410122, designed as a suitable replacement part for MAN D engines and specifically manufactured for use in marine and stationary applications. This eye bolt is an essential fastening element, appreciated for its strength and reliability.
EYE BOLT - 51904410121 suitable for MAN D-engines
Versatile Eye Bolt for MAN D EnginesDiscover the eye bolt with the comparison number 51904410121, a robust and reliable OEM replacement part specifically made for MAN D engines. This product belongs to the category of screws and meets the specific requirements of diesel and gas engines used in demanding environments.
EYE BOLT - 51904410120 suitable for MAN D-engines
The Reliable Eye Bolt 51904410120 in DetailThe eye bolt with the reference number 51904410120 is a premium OEM spare part specifically designed for MAN D engines. This product weighs only 0.19 kg, which, combined with its sturdy design, offers excellent performance.Precise Fit for MAN D EnginesThis product is directly compatible with MAN D engines, ensuring that it integrates seamlessly into the existing structure. The eye bolt meets the highest standards as an OEM spare part and, with its robust construction, ensures reliability even in challenging conditions.
EYE BOLT - 51904410119 suitable for MAN D-engines
Precision Eye Bolt Suitable for MAN D Engines The eye bolt with the comparison number 51904410119 is a must-have for anyone relying on reliable and high-performance replacement parts. This OEM replacement part is exactly what you need to support the functionality of your engines. In the marine sector or for stationary applications, the precise design ensures optimal performance.
EYE BOLT - 51904410118 suitable for MAN D-engines
The Right Product: Eye Bolt for Your ApplicationDiscover our eye bolt (comparison number: 51904410118), specifically designed for diesel and gas engines. This OEM spare part is essential for reliable engines. Quality is crucial for both stationary applications and marine engines.
EYE BOLT - 51904410117 suitable for MAN D-engines
Reliable Eye Bolt – Comparison Number 51904410117Discover the eye bolt with comparison number 51904410117, the ideal solution for your needs. This product ensures the functionality of engines and is an excellent example of our selected OEM spare parts. Weighing 0.14 kg, the eye bolt is perfect for both maritime and stationary applications to extend the lifespan of your equipment.Specifically Suitable for MAN D EnginesThe eye bolt is an OEM spare part that has been specially designed to reliably fit engines compatible with MAN D. Crafted according to strict manufacturing standards, this product supports the mechanical performance of your engine connections and components.
EYE BOLT - 51904410116 suitable for MAN D-engines
Robust Eye Bolt: Comparison Number 51904410116 Experience the reliable eye bolt with the comparison number 51904410116, specially designed for use in engines. Weighing only 0.28 kg, this product impresses with its excellent workmanship and facilitates installation. The quality and precision contribute to making this OEM spare part an ideal solution for your requirements.
EYE BOLT - 51904410115 suitable for MAN D-engines
Reliable Spare Part: Eye BoltThe exciting eye bolt with the comparison number 51904410115 is an essential part that is suitable for a variety of applications in the industry. Weighing only 0.2 kg, this product offers remarkable strength and durability that are necessary for operations under extreme conditions.Optimal Compatibility with MAN D EnginesOur eye bolt is compatible with MAN D engines and impresses with its reliable construction. This component has been developed to meet manufacturer-specific standards.
EYE BOLT - 51904410114 suitable for MAN D-engines
Precise Product: Eye bolt suitable for MAN D enginesDiscover the eye bolt with the comparison number 51904410114, which has been specially designed to meet the highest demands. This OEM replacement part is suitable for MAN D engines and plays a key role in the functionality of any marine or stationary application. The eye bolt ensures a reliable connection that is essential for the safe operation of your engine.Robust construction for long-lasting performanceWeighing only 0.21 kg, the eye bolt in our product line features a stable construction designed for durability and strong performance. As an OEM replacement part, it meets high-quality standards and perfectly fits the needs that arise specifically in MAN D engines.
EYE BOLT - 51904410112 suitable for MAN D-engines
Eye Bolt 51904410112: Quality for Your Drive SystemDiscover the eye bolt with the comparison number 51904410112, which is categorized as OEM replacement parts. This product is compatible with MAN D engines and offers optimal functionality due to excellent craftsmanship. Weighing in at 0.23 kg, the eye bolt is not only lightweight but also ensures impressive durability, making it ideal for various applications in marine and stationary use.
EYE BOLT - 51904410111 suitable for MAN D-engines
High-Performance Eye Bolt for Your EnginesThe eye bolt with the comparison number 51904410111 is an excellent OEM replacement part specifically designed for MAN D engines. This product stands out due to its excellent build quality and belongs to the article group of screws. Weighing 0.2 kg, it facilitates installation and contributes to the optimal performance of your engine.
PAN-HEAD SCREW - 51904410109 suitable for MAN D-engines
Pan-head screw: Efficient Replacement Part for Marine ApplicationsDiscover the pan-head screw, which is an essential solution for maintenance and repair work on your engines. With the reference number 51904410109, we provide you with a valuable OEM replacement part. The pan-head screw weighs only 0.004 kg, making it a lightweight yet robust solution that is ideally suited for your applications.Quality of OEM Replacement Parts for Your NeedsThe OEM replacement part, here the pan-head screw, ensures that all components fit together precisely. It is suitable for MAN D engines and allows you to maintain smooth operation. Rely on the impeccable characteristics that you expect from a top-quality replacement part.
EYE BOLT - 51904410102 suitable for MAN D-engines
Robust Eye Bolt – Your Reliable OEM Replacement PartThe eye bolt with the comparison number 51904410102 is an essential component. With this eye bolt, suitable for MAN D engines, you ensure a reliable connection to maximize your machine's performance. Thanks to the comparison number 51904410102, you can easily identify the right OEM replacement part.Stability and Safety with OEM Replacement PartsThis component, suitable for MAN D, weighs 0.4 kg and impresses with durable, proven materials. Our OEM replacement parts meet the highest standards, ensure optimal functionality, and are designed for long-term use of your MAN D engines.
EYE BOLT - 51904410101 suitable for MAN D-engines
Eye bolt suitable for MAN D enginesOur eye bolt with the comparison number 51904410101 is the ideal OEM spare part for applications in the industry. Weighing only 0.12 kg, this product offers crucial features for the performance of your engines. Trust in the quality that our offering provides – designed to create maximum efficiency.Reliable building materials suitable for MAN DThe eye bolt is suitable for MAN D engines, where it serves as an essential component for various applications. Its production as an OEM spare part ensures that it meets high standards expected from quality parts. Unlike aftermarket products, our OEM spare part ensures high stability and reliability to withstand the challenges in stationary and marine environments.
EYE BOLT - 51904410093 suitable for MAN D-engines
EYE BOLT with the comparison number 51904410093 suitable for MAN D-engines
ADJUSTING SCREW - 51904410089 suitable for MAN D-engines
Reliable Adjusting Screw OverviewDiscover the adjusting screw listed under the reference number 51904410089. This high-quality OEM spare part is an essential element for the perfect function of your engines. With this screw, lightweight yet robust, engines "suitable for MAN D" achieve the desired efficiency and reliability.Specifically Designed for MAN D EnginesThe adjusting screw has been expertly crafted to provide optimal operation. As an OEM spare part, this product meets the stringent standards of the manufacturer and is ideally tailored to the needs of engines. Spare parts suitable for MAN D offer unrestricted fit and corresponding quality level.
HEXAGON BOLT - 51904410086 suitable for MAN D-engines
Robust Hexagon Bolt for Your ApplicationsDiscover our Hexagon bolt, a high-quality product with the comparison number 51904410086. This OEM replacement part has been specifically designed and meets the high standards of renowned suppliers. The Hexagon bolt weighs only 0.05 kg and is excellent for applications where reliability and stability are required.
ADJUSTING SCREW - 51904410085 suitable for MAN D-engines
Discover the Fascination of the Adjusting ScrewDiscover the adjusting screw identified by the comparison number 51904410085. This product offers a reliable addition for your engines and ensures optimal performance. With a weight of only 0.11 kg, this adjusting screw impresses with easy handling and integration.Quality through OEM Replacement PartsThe adjusting screw with the comparison number 51904410085 is suitable for MAN D engines and thus represents a secure OEM replacement part. While aftermarket alternatives often provide less control over the accuracy of specifications, the OEM replacement part from MOPA Motorparts has the advantage of adhering to the high standards of original manufacturing. Maximize your engine's efficiency by using suitable components.
EYE BOLT - 51904410078 suitable for MAN D-engines
Trust in the comparative number 51904410078 Discover the eye bolt with the comparative number 51904410078 – an essential product from the category screws. Whenever you need reliable OEM replacement parts, this component is ideal. The product features solid craftsmanship and is specifically designed for use in various applications, particularly concerning different engines.Precise component suitable for MAN D engines This OEM replacement part is designed for MAN D engines and ensures a long lifespan through sophisticated processing. Every detail has been executed to meet the specific requirements of these engines, supporting smooth operations. A robust eye bolt consistently provides valuable service in demanding technical environments.
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.