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:
HEXAGON BOLT - 628/51/14/05065849 suitable for MWM & Deutz engines
Precision Hexagon Bolt for High DemandsDiscover the exclusive hexagon bolt, comparison number 628/51/14/05065849, designed for the high requirements in engine maintenance. This bolt is an essential part that offers not only cost efficiency but also high quality. It belongs to the category of screws and is specifically designed for applications in marine and stationary areas.Perfectly Suitable for Deutz EnginesThis hexagon bolt is ideally suited to ensure that your systems operate efficiently. The product is compatible with Deutz and allows for a reliable connection to maintain the functionality of your engines. Its precise workmanship significantly improves maintenance.
HEXAGON BOLT - 628/51/41/05061527 suitable for MWM & Deutz engines
Precise Hexagon Bolt according to Comparison Number 628/51/41/05061527Discover the Hexagon bolt with the comparison number 628/51/41/05061527, an essential component for your technical applications. This product impresses with high precision and ensures that constructions hold together stably and reliably. The Hexagon bolt is specifically designed for use in engines, allowing you to expect good performance even under challenging conditions.Suitable for Deutz Engines: Make the Right ChoiceOur Hexagon bolt is suitable for Deutz engines and ensures that you always choose the right replacement part. With a lightweight of 0.004 kg, it is ideal for applications in marine and stationary areas, where every gram counts. Rely on the professional design used in industrial applications.
HEXAGON BOLT - 628/21/149/05028443 suitable for MWM & Deutz engines
Premium Hexagon Bolt with Comparison Number 628/21/149/05028443 Our Hexagon bolt is an essential OEM spare part with the comparison number 628/21/149/05028443. Manufactured for durable performance in demanding applications, this product is excellent for use in engines from Deutz. Through careful processing, we ensure that this Hexagon bolt meets the requirements of professional users.
HEXAGON BOLT - 628/21/7/05065149 suitable for MWM & Deutz engines
Qualitative Hexagon Bolt for Your ApplicationsDiscover the hexagon bolt with the comparison number 628/21/7/05065149 – an essential OEM spare part, specifically designed for reliable fastening in engines. This valuable product ensures your requirements for lasting performance and safety. Weighing just 0.06 kg, it is easy to handle for installation.Optimal Solution Suitable for Deutz EnginesThis hexagon bolt is suitable for Deutz engines and meets all specific application requirements. As an OEM spare part, quality and reliability are paramount. Take advantage of this component to maintain your engines effectively and secure their performance.
HEXAGON BOLT - 628/11/16/05061219 suitable for MWM & Deutz engines
Robust Hexagon Bolt for Reliable EnginesThe hexagon bolt with the comparison number 628/11/16/05061219 is an essential replacement part that ensures safety and stability in your engines. Weighing only 0.04 kg, this product impresses with a reliable fit. It is perfectly suitable for your Deutz engines, which facilitates installation and use.Quality You Can Rely OnThe comparison number 628/11/16/05061219 provides you with a replacement part specifically designed for the demands of diesel and gas engines. The materials used ensure that the hexagon bolt performs optimally even under challenging conditions.
HEXAGON BOLT - 628/17/20/05062000 suitable for MWM & Deutz engines
Premium Hexagon Bolt – Your Reliable PartnerThe hexagon bolt with the reference number 628/17/20/05062000 is an essential product in the world of secure engine configuration. As a significant OEM replacement part, this bolt impresses with its high quality and precise fit, ensuring that your engines are always operational. Take advantage of a premium replacement part specifically designed for demanding applications.Unique Features for Deutz EnginesThe innovative hexagon bolt is perfectly suited for numerous series of engines, including those compatible with Deutz engines 331, 396, and 816. With its compact dimensions of 8.1 cm in length and width and a height of 1.3 cm and a weight of only 0.031 kg, it plays a central role in maintaining the functionality of your drive units. Its excellent design and reliable functionality make it an indispensable component of any technical machine.
CYLINDER SCREW - 628/37/8/05062126 suitable for MWM & Deutz engines
Robust Cylinder Screw – Quality for Your EnginesDiscover our product, the cylinder screw with the comparison number 628/37/8/05062126. This OEM replacement part is essential for the smooth operation of your machines. The cylinder screw is specifically designed for the requirements of later Deutz engines, making it a valuable addition in any professional workshop setting. It optimizes assembly and ensures optimal performance of all moving parts.Precise Dimensions and Lightweight DesignThe cylinder screw weighs only 0.011 kg and comes in compact dimensions of 2.1 cm in length, 2.1 cm in width, and 1.3 cm in height. These dimensions make the product suitable for easy application in various engines. Its high stability and quality are ensured by the stringently selected OEM replacement parts, so you can always rely on the reliability of this cylinder screw.
SCREW PLUG - 628/41/5/05066312 suitable for MWM & Deutz engines
Optimal Screw Plug for Your Applications Discover our premium screw plug (comparison number: 628/41/5/05066312), which is ideal for use in your engine applications. This product from the "Screws" category offers a precise fit and is essential for anyone who values quality and durability in their components. The comparison number for our valued product is 628/41/5/05066312, making it easy for you to identify the replacement part.Detailed Specifications of the Screw Plug The screw plug weighs only 0.067 kg and has compact dimensions of 2.5 cm in length, 2.5 cm in width, and 2.6 cm in height. Our screw plug is compatible with the series 640 and 528 as well as compatible with engine types BV16M640 and SBA8M528. This OEM replacement part ensures that your engine always functions optimally and provides the performance you need.
SCREW PLUG - 628/21/21/05065149 suitable for MWM & Deutz engines
Excellent Screw Plug: Comparison Number 628/21/21/05065149 The screw plug with the comparison number 628/21/21/05065149 is an essential product for professional applications in the industry. Weighing 0.122 kg, this OEM replacement part is particularly user-friendly and offers excellent properties for use in engines.Suitable for Deutz Engines: Quality and Performance This screw plug is specifically designed to fit Deutz engines. By using suitable materials, the OEM replacement part reduces wear and thus increases the longevity of your engines. Rely on the precision of this product, which gives you the assurance that it operates reliably.
ROUND-HEAD SCREW - 628/48/38/05033994 suitable for MWM & Deutz engines
Precise Solutions: Round-head screw Comparison Number 628/48/38/05033994The round-head screw with the comparison number 628/48/38/05033994 is a reliable spare part that delivers the required results for your applications. This product impresses with its excellent fit and is manufactured suitable for MWM & Deutz engines. It meets strict standards and contributes to the optimal performance of your engines.
CYLINDER SCREW - 628/48/7/05061510 suitable for MWM & Deutz engines
Cylinder screw: The Reliable Replacement PartDiscover the cylinder screw with the comparison number 628/48/7/05061510, which offers the right performance for your engines. This product belongs to the category "Screws" and has been specifically designed for use in various machines. Weighing only 0.01 kg, it provides an ideal solution for demanding applications.Quality in OEM Replacement PartsOur cylinder screw stands for top-notch craftsmanship and is produced according to OEM standards. All OEM replacement parts undergo strict internal controls to provide you with the reliability and durability that are crucial for engines. Every product, including our cylinder screw, ensures an optimal fit and functionality.
CYLINDER SCREW - 628/48/61/05060455 suitable for MWM & Deutz engines
Cylinder Screw Compatible with Deutz EnginesDiscover the cylinder screw with the comparison number 628/48/61/05060455 – a central OEM replacement part for your engines. This specialized screw, weighing only 0.003 kg, combines durability and efficiency for applications that demand the highest performance. It is the ideal choice for companies that value reliability in their engine technology.
CYLINDER SCREW - 628/48/24/05065813 suitable for MWM & Deutz engines
Precision and Reliability of the Cylinder ScrewDiscover our cylinder screw with the comparison number 628/48/24/05065813, which is suitable for Deutz engines. This essential product belongs to the category screws and plays a key role in the reliability and performance of your engines. Weighing only 0.002 kg, the cylinder screw offers an excellent combination of low weight and solid robustness.Quality Elements of OEM Replacement PartsThe product is an OEM replacement part that meets the highest standards. The cylinder screw is manufactured with state-of-the-art technology that ensures unparalleled precision. If you trust in the performance of your Deutz engines, it is an optimal choice to ensure that everything functions smoothly.
CYLINDER SCREW - 628/48/126/05062531 suitable for MWM & Deutz engines
Cylinder screw with comparison number 628/48/126/05062531Discover our cylinder screw with the comparison number 628/48/126/05062531, which is ideally suited for industrial and marine applications. Weighing only 0.006 kg, this product combines lightness with the structural stability needed to meet the demands of engines. The screw is not just a simple component but an essential part for the safe operation of your machines.
SET SCREW - 602040500808 suitable for MWM & Deutz engines
Precision Set Screw Suitable for Deutz EnginesDiscover the set screw with the comparison number 602040500808, an essential product for your engine applications. This set screw is meticulously designed to provide a reliable connection in various systems. Its compact dimensions of 0.8 cm in length, width, and height are ideal for multifunctional applications – no challenge too great, no task too small.Reliable Quality Features for Deutz ManufacturersThis set screw is an OEM replacement part that makes a significant contribution to the performance of your systems when used with Deutz engines. Due to its precise manufacturing, it meets the highest quality standards to ensure smooth operation. Count on the durability and robustness of this product – features that provide you with confidence in ongoing operations.
CYLINDER SCREW - 628/17/322/05065686 suitable for MWM & Deutz engines
Cylinder screw for professional useDiscover our cylinder screw (comparison number: 628/17/322/05065686), which is specifically designed for professional applications. This OEM spare part is essential for the smooth operation of your engines and is characterized by its exceptional strength and reliability. Its lightweight of only 0.008 kg contributes to optimal performance.Suitable for MWM & Deutz enginesThe cylinder screw is suitable for MWM & Deutz engines and meets the strict quality standards that our customers expect. With this OEM spare part, you ensure access to a product designed for durability and efficiency – perfect for marine and stationary applications.
CYLINDER SCREW - 640/48/22/05022016 suitable for MWM & Deutz engines
Excellent Cylinder Screw – Comparison Number 640/48/22/05022016Discover our Cylinder Screw with Comparison Number 640/48/22/05022016 – an essential product for reliable use in machine and engine technology. This Cylinder Screw belongs to the group of Screws and offers excellent functionality due to its precise processing. At MOPA Motorparts, we provide proven and high-performance components as OEM replacement parts.Suitable for Deutz EnginesThis Cylinder Screw is suitable for engines from the manufacturer Deutz and specifically designed for the series 640. It is perfectly aligned with the needs of the engine types BV16M640 used in industrial applications. You can trust that this product has the potential to enhance the performance of your Deutz engines.
COUNTERSUNK SCREW - WSR50E3X314 suitable for Bosch engines
Quality of the Countersunk Screw WSR50E3X314 Discover the countersunk screw with the comparison number WSR50E3X314, an indispensable OEM replacement part for diesel and gas engines. Weighing only 0.003 kg, this product impresses with its efficiency and durability. The use of this replacement part ensures reliable function and keeps your engines in top condition.Suitable for MWM & Deutz Engines The countersunk screw WSR50E3X314 is suitable for MWM & Deutz engines and represents an optimal solution for demanding applications. Experience the advantages of an OEM replacement part that is precisely tailored to the requirements of these renowned manufacturers. Rely on the precision and quality that MWM & Deutz are known for.
HEXAGON BOLT - 1533450005 suitable for Bosch engines
Robust Hexagon Bolt for Engine ApplicationsOur hexagon bolt (comparison number: 1533450005) is a top-quality OEM spare part, specifically designed to ensure the performance of your machines. This product offers premium quality and durability, making it the ideal solution for all applications where reliable spare parts are needed.Suitable for MWM & Deutz EnginesThis hexagon bolt is particularly suitable and compatible with MWM & Deutz engines, meaning it can be optimally integrated into these systems. Trust in the reliability of our OEM spare parts, which support the operability of your machines and ensure that everything runs smoothly.
SCREW/BOLT - 1483460003 suitable for Bosch engines
High-Performance Screw/Bolt Compatible with MWM & DeutzDiscover the screw/bolt with the comparison number 1483460003, specifically designed for engines compatible with MWM & Deutz. Each OEM spare part from our product group offers the reliability you need for use in demanding environments. This robust screw/bolt weighs only 0.16 kg and meets the highest standards, ideal for marine and stationary applications as well as locomotives.Quality of OEM Spare Parts in DetailOur screw/bolt represents durability and performance in OEM spare part quality. We offer spare parts compatible with MWM & Deutz engines at attractive prices to keep your engines in top condition for the long term. Rely on spare parts in original equipment quality that are precisely manufactured for your specific applications.
SCREW/BOLT - 1483351035 suitable for Bosch engines
Quality Product: Screw suitable for MWM & Deutz enginesDiscover the flawless screw with the reference number 1483351035, specially designed for applications in the marine and stationary engine sector. The screw belongs to the article group of screws and offers excellent characteristics to meet high demands. Weighing only 0.15 kg, this product is not only lightweight but also durable.
SCREW PLUG - 1459999000 suitable for Bosch engines
Ultimate Precision with the Screw PlugThe screw plug with the reference number 1459999000 offers a reliable solution for applications in marine and stationary areas. Weighing only 0.015 kg, this spare part is a crucial component for engines that require robust and precise operation.Suitable for MWM & Deutz EnginesThe screw plug is precisely designed to be compatible with MWM & Deutz engines. This compatibility ensures efficient use and long-lasting performance. The spare part is developed to integrate seamlessly into your existing systems, resulting in excellent functionality.
SCREW PLUG - WSR76U1X313 suitable for Bosch engines
Robust Screw Plug WSR76U1X313 for ApplicationsDiscover the screw plug with the comparison number WSR76U1X313, specifically designed to deliver outstanding performance in engines. This OEM spare part belongs to our broad category of "Screws" and is essential for reliable applications. Weighing only 0.038 kg, the screw plug combines lightness and strength, making it an ideal component for various technical uses.
SCREW/BOLT - PSR8S3X314 suitable for Bosch engines
Excellent Screw/Bolt with Comparison Number PSR8S3X314The screw/bolt with the comparison number PSR8S3X314 is an indispensable OEM replacement part that allows for reliable use in the industry thanks to its specially developed properties. Weighing only 0.1 kg, this product ensures that engines operate efficiently. The comparison number ensures that you find the right part for your needs and can rely on a precise fit.
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.