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 - 85000013145 suitable for MAN D engines
Precise Replacement Part: Screw Suitable for MAN DDiscover our high-quality replacement part, the screw with the comparison number 85000013145, which is specifically designed for MAN D engines. This OEM replacement part meets the highest standards in terms of quality and reliability. Weighing only 0.02 kg, the screw is lightweight yet robust and fulfills all the requirements placed on modern engines.Quality and Control for Maximum ReliabilityOur screw is part of the group of screws and is manufactured under strict quality controls. Every OEM replacement part, including comparison number 85000013145, is carefully tested to ensure a perfect fit and long lifespan. This is crucial for the reliability of your engines and ensures that you can depend on your machines.
ADJUSTING SCREW - 85000013014 suitable for MAN D engines
Precise Adjusting Screw for MAN D EnginesDiscover the adjusting screw with the comparison number 85000013014, specifically designed for MAN D engines. This OEM spare part offers maximum compatibility and reliability in your application. Weighing only 0.02 kg, it highlights a thoughtful design that impresses in both marine and stationary use.
STRESS BOLT - 85000012870 suitable for MAN D engines
Stress bolt with comparison number 85000012870Discover the stress bolt with the comparison number 85000012870, suitable for MAN D engines. This precisely manufactured product offers strength and reliability that are essential for use in demanding environments, such as marine and locomotive engineering. Weighing 0.32 kg, this component ensures optimal connection and stability.
STRESS BOLT - 85000012848 suitable for MAN D engines
Stress bolt: Comparison number 85000012848 in detailOur stress bolt with the comparison number 85000012848 is an essential spare part, specially designed for use in MAN D engines. The quality and functionality of this product ensure reliable performance in application situations where the highest standards are required. Weighing 0.32 kg, the stress bolt is easy to install and meets all requirements you have for a spare part.Suitable for MAN D engines: Quality and precisionThe stress bolt is suitable for MAN D engines and impresses with its precise workmanship. We offer you spare parts in original equipment manufacturer quality, with the comparison number 85000012848 being a sign of the origin and high standards of our products. Trust in the performance and durability of this component to keep your engines in optimal condition.
HEXAGON BOLT - 85000012736 suitable for MAN D engines
Strong Connection: Hexagon Bolt 85000012736The hexagon bolt with the reference number 85000012736 is a reliable product specifically designed for engines in demanding applications. This OEM replacement part enables a stable and secure connection, particularly in applications suitable for MAN D engines. Weighing only 0.05 kg, this hexagon bolt is particularly functional and user-friendly.Perfect Fit for MAN D EnginesThis hexagon bolt is essential for anyone seeking replacement parts that are suitable for MAN D engines. The meticulous processing and compatibility with other OEM replacement parts ensure optimal performance and durability. Experience the quality of this product, which has been specifically developed for the requirements of diesel and gas engines.
HEXAGON BOLT - 85000012735 suitable for MAN D engines
Reliable Replacement Part for Your ApplicationsThe Hexagon bolt with the comparison number 85000012735 is the ideal choice for use in marine and stationary applications. This precise product belongs to the article group of screws and ensures safe connections due to its high quality.Suitable for MAN D EnginesThis OEM replacement part is compatible with MAN D engines and provides excellent fit accuracy. The comparison number 85000012735 facilitates identification and ensures that you receive the correct component for your application. Rely on the reliability of authentic parts instead of aftermarket alternatives.
SCREW PLUG - 85000012428 suitable for MAN D engines
Suitable for MAN D Engines: Your Screw PlugDiscover the screw plug with the comparison number 85000012428, which is an excellent choice for your engine technology needs. This OEM spare part is suitable for MAN D engines and ensures smooth functionality and durability. Weighing only 0.12 kg, the screw plug is both lightweight and robust, making it ideal for demanding applications.Reliable Quality of the Screw PlugThe screw plug belongs to the article group of screws and is an essential component specifically designed for MAN D engines. These OEM spare parts offer precise fit and contribute significantly to the efficiency of your engines. Trust in the performance that secure connections provide.
SCREW PLUG - 85000012427 suitable for MAN D engines
Robust OEM Replacement Part: Screw PlugDiscover the screw plug with comparison number 85000012427, an indispensable component for engines specifically designed for industrial and marine applications. This OEM replacement part impresses with its reliability and efficiency, allowing you to rely on its durability. Weighing only 0.1 kg, the screw plug is lightweight yet robust enough to withstand demanding conditions.
HEX COLLAR BOLT - 85000012196 suitable for MAN D engines
Premium Quality: Hex Collar Bolt 85000012196Discover the Hex collar bolt with the comparison number 85000012196, specifically designed for MAN D engines. This OEM spare part ensures a reliable connection in diesel and gas engines. Weighing only 0.1 kg, the bolt is extremely lightweight yet stable, making it the ideal choice for demanding applications.Suitable for MAN D: Efficient Connection TechnologyOur hex collar bolt is suitable for MAN D engines and offers you the perfect solution for repairs and maintenance. Thanks to precise manufacturing, it meets the high standards of the industry and ensures the smooth operation of your engines. Rely on the quality of our OEM spare parts for long-lasting performance.Customer Service and Ordering: Your Questions, Our AnswersOur dedicated customer service is available to you at any time, whether via WhatsApp, email, or phone. If you have questions about our product or need assistance with your selection, we are happy to help. Your satisfaction is important to us, and we want to ensure that you find the right parts for your needs.
DOWEL PASS SCREW - 85000012195 suitable for MAN D engines
Dowel Pass Screw: Your Reliable ProductDiscover the precise dowel pass screw, comparison number 85000012195, specifically designed for your requirements. This high-quality OEM replacement part is perfect for applications in various areas and offers excellent accuracy. Weighing only 0.14 kg, the dowel pass screw is not only stable but also lightweight, making it an ideal choice for your engines.OEM Replacement Parts: Quality That ConvinceOur dowel pass screw with comparison number 85000012195 is compatible with MAN D engines. We take pride in offering only OEM replacement parts that meet high standards. As a family-run business in its second generation, we place great importance on ensuring that each product undergoes strict quality controls before it is delivered. Our expertise assures the durability and reliability of this essential component.
DOWEL PASS SCREW - 85000012194 suitable for MAN D engines
Dowel pass screw with comparison number 85000012194Discover the dowel pass screw with comparison number 85000012194, specifically tailored to the requirements of engines. This OEM replacement part weighs just 0.1 kg and plays a central role in the reliability of your engines. As an important component, the dowel pass screw is designed to fit MAN D engines and impresses with its excellent precision.
BIG END BOLT - 85000011993 suitable for MAN D engines
Big end bolt compatible with MAN D enginesThe big end bolt with the comparison number 85000011993 is an essential OEM replacement part that ensures consistent performance in engines. Weighing only 0.08 kg, this bolt is robust and reliable. It is specifically designed for use in marine applications and provides an optimal connection within the engine mechanics.Quality of OEM replacement partsOur big end bolt, compatible with MAN D engines, meets all requirements for quality and performance. We source our products exclusively from recognized manufacturers to ensure the seamless functionality of your engines. With the comparison number 85000011993, we focus on authenticity and precision of our OEM replacement parts.
HEXAGON BOLT - 85000011935 suitable for MAN D engines
Discover Hexagon Bolt with Comparison Number 85000011935The hexagon bolt with the comparison number 85000011935 is the ideal product for anyone looking for reliable replacement parts. This component is suitable for MAN D engines and impresses with its reliable quality. Weighing 0.14 kg, the bolt is light yet robust, making it the perfect choice for demanding applications.OEM Replacement Parts for the Highest StandardsOur product is a top-quality OEM replacement part specifically designed for use in engines. The hexagon bolt meets the highest standards and offers a high level of precision to ensure optimal performance. Thanks to the comparison number 85000011935, you can be sure that you are selecting the right replacement part that will seamlessly harmonize with your existing components.
HEXAGON BOLT - 85000011932 suitable for MAN D engines
Precise Hexagon Bolt – Comparison Number 85000011932The hexagon bolt with the comparison number 85000011932 is an excellent product that has been manufactured with the highest precision. This spare part is an OEM spare part that functions optimally. Weighing 0.07 kg, it meets the highest standards and is ideally suited for various applications in the marine and locomotive sectors.
STUD - 85000011782 suitable for MAN D engines
Stud for MAN D Engines – Your SolutionDiscover the stud with the comparison number 85000011782, specifically designed for engines compatible with MAN D. Weighing only 0.14 kg, this product is an essential OEM spare part that supports the performance and reliability of your engines. Rely on the quality of our OEM spare parts that offer maximum efficiency and durability.Quality Through Internal Control and ProximityThe strict internal controls at MOPA Motorparts ensure the quality of each spare part. Our stud with the comparison number 85000011782 meets the high standards required for engines compatible with MAN D. This allows our B2B customers to depend on the longevity and performance of our products.
STUD - 85000011753 suitable for MAN D engines
Stud – Quality for Your EnginesDiscover our OEM replacement part, the stud with the comparison number 85000011753. This product is suitable for MAN D engines and offers optimal fit and reliability. Weighing only 0.15 kg, this screw is lightweight and versatile.
HEXAGON BOLT - 85000011715 suitable for MAN D engines
Robust Hexagon Bolt for Your NeedsDiscover the Hexagon bolt with the comparison number 85000011715, offering you the reliability you can expect from OEM spare parts. This product is tailored for use in demanding environments and significantly supports the performance of your compatible with MAN D engines. Weighing only 0.1 kg, this bolt combines lightness with a durable construction.
SCREW PLUG - 85000011637 suitable for MAN D engines
Screw plug suitable for MAN D enginesDiscover the screw plug with the comparison number 85000011637, an essential OEM spare part that works perfectly in your engines. This product is particularly suitable for MAN D engines. With a diameter and precise fit, the screw plug ensures that your engines run optimally and remain operational for a long time.
SCREW/BOLT - 85000011624 suitable for MAN D engines
Trust in the Quality of Our ScrewDiscover our screw with the comparison number 85000011624, specifically developed and suitable for MAN D engines. This OEM spare part offers you quality that meets the demands of marine and stationary applications. Weighing 0.35 kg, it ensures robust performance and reliable application.
SCREW/BOLT - 85000011622 suitable for MAN D engines
Robust Screw Compatible with MAN D EnginesOur screw with the comparison number 85000011622 is the essential spare part that ensures the reliable function of your engines. This product is specially designed to meet the highest demands and is particularly suitable for use in challenging marine and stationary applications. Weighing 0.1 kg, this screw impresses with an optimal balance of stability and lightness.OEM Spare Parts Compatible with MAN D EnginesThe screw is an OEM spare part developed for MAN D engines. The product group "Screws" includes parts manufactured to the highest standards and in accordance with OEM requirements. By using such spare parts, you ensure that the performance of your engines remains consistently high.
SCREW/BOLT - 85000011614 suitable for MAN D engines
Reliable Screw Suitable for MAN D EnginesThe screw with the comparison number 85000011614 is an essential OEM replacement part specially designed for the requirements of MAN D engines. Weighing only 0.05 kg and crafted with precision, this product contributes to the optimal functionality of your engines.Precision and FunctionalityThe OEM replacement part, the screw, is suitable for MAN D engines and meets stringent quality standards. It ensures safe and reliable assembly that supports essential functions of the engines. Trust in this quality to maximize the efficiency of your application.
SCREW/BOLT - 85000011609 suitable for MAN D engines
Precise Screw for Reliable ApplicationsDiscover the screw with the comparison number 85000011609, an essential OEM spare part. Weighing only 0.1 kg, this screw is perfect for various industrial applications, particularly in marine and stationary technology.Suitable for MAN D EnginesThe OEM spare part is suitable for MAN D engines and offers outstanding precision. Compared to aftermarket products, this screw provides top performance and durability. Rely on the quality of MOPA Motorparts when it comes to the efficient use of your engines.
SCREW/BOLT - 85000011598 suitable for MAN D engines
Reliable Screw/Bolt with Comparison Number 85000011598Discover the screw/bolt with the comparison number 85000011598, specifically designed to be compatible with MAN D engines. This OEM spare part belongs to the category of screws and is the ideal solution for demanding applications in marine and stationary use. Weighing only 0.07 kg, it offers excellent properties for reliable performance.Quality through OEM Spare PartsThe use of OEM spare parts like this product ensures the highest quality and perfect fit. You can rely on the screw/bolt with the comparison number 85000011598 to harmonize optimally with your MAN D engine. Our extensive experience in the field of engines ensures that you receive only the best components.
SCREW PLUG - 85000011248 suitable for MAN D engines
Excellent Screw Plug for Demanding ApplicationsDiscover our screw plug with the comparison number 85000011248, specifically designed for demanding applications. This OEM replacement part offers excellent workmanship quality and is the ideal component for anyone who relies on reliability. Weighing only 0.1 kg, the screw plug is well-suited for various mechanical tasks.Perfect Fit for MAN D EnginesThe product is compatible with MAN D engines and ensures optimal sealing. As an OEM replacement part, the screw plug is manufactured to the highest standards, promoting its longevity and functionality. Rely on this dependable component that is essential for the efficiency of your engines.
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.