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:
STUD - 350/108/23 suitable for MWM & Deutz engines
Stud with Comparison Number 350/108/23The stud with the comparison number 350/108/23 is an indispensable OEM spare part that meets high standards. This product element is especially critical for smooth operation in engines. Its robust construction ensures a secure connection to maintain performance.
STUD - 628/1/12/05025923 suitable for MWM & Deutz engines
Quality for Your Engines: StudDiscover our OEM replacement part, the stud with the comparison number 628/1/12/05025923. This essential product is an important component for reliable engines in marine and stationary applications. It belongs to the product group screws and is characterized by its precise functionality. Weighing only 0.064 kg, it is robust and essential for the efficient performance of your engine.
STUD - 628/1/22/05026671 suitable for MWM & Deutz engines
Stud with comparison number 628/1/22/05026671Discover our OEM replacement part, the stud with comparison number 628/1/22/05026671. This product from the category "Screws" offers an optimal connection for your engines. Weighing only 0.03 kg, it is a practical and reliable solution for your needs.Suitable for MWM & Deutz enginesOur stud is suitable for MWM & Deutz engines and ensures a secure fit and high load-bearing capacity of the components. At MOPA Motorparts, we focus on the careful selection of our OEM replacement parts, which meet high requirements perfectly.
STUD - 602011001030 suitable for MWM & Deutz engines
Precise Stud – Comparison Number 602011001030Discover the stud with the comparison number 602011001030, designed for the highest demands of Deutz engines. This product is an essential OEM spare part that plays a vital role in the performance of the engines. With impressive precision, this stud ensures that your engine operates optimally and delivers reliable performance.Specifically Suitable for Deutz EnginesThis stud is suitable for the 4000 series from Deutz, specifically for the engine type 20V4000M73L. It offers easy installation, with its compact dimensions of 4.3 cm in length, 4.3 cm in width, and 1.2 cm in height being helpful. Weighing only 0.022 kg, the stud is lightweight yet robust – ideal for use in marine and stationary applications. A focus on quality and precision is a given in the manufacturing of this stud.
STUD - 628/48/4/05028393 suitable for MWM & Deutz engines
Robust Stud for Versatile ApplicationsThe stud with the comparison number 628/48/4/05028393 is an essential OEM spare part specifically designed for use in engines. This product belongs to the category of screws and is therefore perfectly suited for various mechanical applications.Optimal Fit for Deutz EnginesOur product, the stud, is compatible with Deutz engines, particularly the widely used series 540. Weighing only 0.015 kg and with compact dimensions of 4.5 cm in length and width, as well as a height of 1 cm, it fits excellently into numerous mechanical structures. As an OEM spare part, our stud ensures excellent compatibility and quality that meets the requirements of professional users.
STUD - 628/17/273/05065693 suitable for MWM & Deutz engines
Stud with Comparison Number 628/17/273/05065693Discover the stud with the comparison number 628/17/273/05065693, which is an essential component for effective engine solutions. The precise manufacturing ensures optimal performance and longevity. This product is specifically suitable for engines compatible with renowned manufacturers in the industrial sector. Take action and secure a reliable OEM replacement part at a competitive price.
HEXAGON BOLT - 350/141/9 suitable for MWM & Deutz engines
Your Reliable Product: Hexagon Bolt 350/141/9 The hexagon bolt with the comparison number 350/141/9 is an essential OEM replacement part specifically designed for applications in Deutz engines. This bolt demonstrates high performance and durability through its top-quality processing and material selection. With a weight of 0.094 kg and dimensions of 5.6 cm in length and width, as well as 2.4 cm in height, it is an excellent component that meets the high demands of marine and stationary applications.Suitable for Deutz Engines of Series 2000 This hexagon bolt is compatible with the engine series 2000, including engine types compatible with 12V2000M93 and 16V2000M72. Its reliable construction ensures that you benefit from the functionality and longevity of these OEM replacement parts. Each product contributes to the efficiency and safety of your engine, ensuring that your machine always operates at its best.
HEXAGON BOLT - 628/43/8/05028631 suitable for MWM & Deutz engines
Optimal Hexagon Bolt for Engine ConstructionDiscover the Hexagon bolt with the comparison number 628/43/8/05028631, an exclusive OEM replacement part that is ideal for the highest demands in engine development. Weighing only 0.09 kg, this bolt combines robustness and strength, making it the perfect choice for your applications.Suitable for Deutz EnginesThis Hexagon bolt is excellently suited for various applications and is particularly compatible with Deutz engines. Its precise fit allows you to maximize the lifespan and reliability of your machines. Every product we sell meets the requirements of top-tier machine manufacturers.
HEXAGON BOLT - 350/122/10 suitable for MWM & Deutz engines
Optimal Selection: Hexagon Bolt for EnginesDiscover our Hexagon bolt (comparison number: 350/122/10), an important OEM spare part. This product is designed as a component suitable for Deutz diesel and gas engines, offering high standards in durability and functionality. Our OEM spare parts provide the reliability you need for maintaining your engines.
HEXAGON BOLT - 358/122/13 suitable for MWM & Deutz engines
Reliable Hexagon Bolt - For Your RequirementsOur hexagon bolt, reference number 358/122/13, is the perfect spare part for your needs. This product weighs 0.14 kg and offers exceptional stability in various applications. Comprehensive performance and reliability are crucial, especially in engines exposed to high demands.Suitable for Deutz Engines – Quality in Every DetailThe hexagon bolt is an ideal OEM spare part necessary for the smooth maintenance of your machines. As a product suitable for Deutz engines, it ensures that you work exclusively with the best components. Our OEM spare parts are specifically designed for high performance, ensuring you optimal efficiency.
HEXAGON BOLT - 628/16/34/05061502 suitable for MWM & Deutz engines
Precise Hexagon Bolt – Your Essential Product Discover the hexagon bolt with the comparison number 628/16/34/05061502 – an indispensable component for engines. This product belongs to the screws category and weighs only 0.077 kg. It impresses with stability and durability, making it perfect for demanding application conditions.Suitable for Deutz Engines – Quality Without Compromises Our hexagon bolt is suitable for Deutz engines and offers you OEM quality at an attractive price. As an OEM replacement part, it ensures that all technical requirements are met. Rely on products that provide you with the necessary security and efficiency.
HEXAGON BOLT - 628/41/22/05062518 suitable for MWM & Deutz engines
Robust Hexagon Bolt Suitable for MWM & Deutz EnginesDiscover our Hexagon bolt with the comparison number 628/41/22/05062518, an essential product for the maintenance and repair of your engines. This Hexagon bolt is precisely suitable for the series 628 and the top-quality engine types SBV16M628 and SBV6M628. It provides the safety and efficiency required in demanding applications. The sensible use of this screw increases the reliability and functionality of your machines.
HEXAGON BOLT - 628/9/3/05034819 suitable for MWM & Deutz engines
Reliable Hexagon Bolt: Your Solution for EnginesThe hexagon bolt with the comparison number 628/9/3/05034819 is an essential product in the field of spare parts and is indispensable for the performance of your machines. It belongs to the article group of screws and offers excellent handling with a weight of only 0.076 kg and dimensions of 5.9 cm x 5.9 cm x 2.4 cm. As a useful component, it ensures that the functionality of engines runs smoothly.
HEXAGON BOLT - 628/34/12/05029666 suitable for MWM & Deutz engines
Your Reliable Hexagon Bolt for Optimal PerformanceExperience the excellent Hexagon bolt as the suitable OEM replacement part for your Deutz engines. With the comparison number 628/34/12/05029666, this replacement part fits perfectly for the series 628 and the engine types BV16M628. Its design specifications ensure outstanding functionality in demanding applications.Precision and Efficiency – OEM Replacement Parts for EnginesWeighing only 0.077 kg, the Hexagon bolt is easy to handle and perfectly suited to meet numerous applications. Each OEM replacement part, including the Hexagon bolt, offers a precise fit and is essential for the long-term reliability of your engines. Rely on quality to ensure the efficiency of your Deutz engines.
HEXAGON BOLT - 628/38/26/05062448 suitable for MWM & Deutz engines
Reliable Product: Hexagon BoltOur hexagon bolt with the comparison number 628/38/26/05062448 is an essential OEM spare part, particularly suitable for use in engines. Weighing only 0.09 kg, it combines lightness and robustness, making it the ideal component for many applications. Trust in our OEM spare parts that benefit from over 25 years of experience and presence in the industry.
HEXAGON BOLT - 628/9/60/05025938 suitable for MWM & Deutz engines
Hexagon Bolt with Comparison NumberDiscover the Hexagon bolt with the comparison number 628/9/60/05025938 – an essential OEM replacement part specifically designed for use in engines. Weighing only 0.08 kg, this product offers straightforward installation and meets the high standards required in the engine-related field.
HEXAGON BOLT - 628/87/25/05061665 suitable for MWM & Deutz engines
Excellent Hexagon Bolt – OEM Quality for Your RequirementsDiscover the Hexagon bolt, a compelling product identified by comparison number 628/87/25/05061665. This top-quality bolt is an indispensable OEM replacement part specifically designed to create perfect connections suitable for Deutz engines. Weighing only 0.085 kg, it offers effortless handling and reliability.
HEXAGON BOLT - 628/87/25/05066835 suitable for MWM & Deutz engines
Hexagon Bolt with Comparison Number 628/87/25/05066835 Discover the Hexagon bolt with the comparison number 628/87/25/05066835, an important product for your engines. This ensures your engines operate efficiently. With this bolt, you receive a reliable component for applications that require precision and quality.Suitable for Deutz Engines Our Hexagon bolt is an OEM replacement part suitable for Deutz and offers a perfect fit for all Deutz engines. The comparison number 628/87/25/05066835 underlines the quality of the product, which is essential in marine and stationary applications. Rely on top-notch OEM replacement parts to maximize the performance of your machines.
HEXAGON BOLT - 628/16/25/05025965 suitable for MWM & Deutz engines
Robust Hexagon Bolt – Perfect for Your NeedsDiscover the Hexagon bolt with the comparison number 628/16/25/05025965, which proves to be an indispensable OEM spare part. This Hexagon bolt weighs only 0.105 kg and is specifically designed to facilitate the maintenance and servicing of your engines. With this quality, you can be confident when using it in demanding environments.Suitable for Deutz Engines – Excellent QualityThis product is suitable for Deutz and thus optimal for your applications in marine and stationary areas. The quality has been carefully selected to meet the requirements of Deutz engines. Rely on our OEM spare parts to achieve the best results for your technical applications.
HEXAGON BOLT - 628/16/31/05032902 suitable for MWM & Deutz engines
Hexagon Bolt – Strong Hold for Your Engine ProjectOur hexagon bolt (comparison number: 628/16/31/05032902) is the perfect component to enhance engine performance. It operates optimally in configurations suitable for MWM & Deutz engines. With its thoughtful design, it ensures that the fasteners of your engines are stable and durable. Additionally, using this hexagon bolt ensures both efficiency and longevity of the application in your specific industrial needs.Custom Dimensions and WeightThis hexagon bolt, compatible with series 2000, 396, and 493, has precise measurements: it is 2.1 cm long and wide, as well as 6.8 cm high. Weighing only 0.062 kg, it is lightweight yet robust enough to withstand the stresses encountered in industrial engine scenarios. Its compact design makes installation easier, making it an essential component to restore optimal performance.
HEXAGON BOLT - 628/38/16/05025992 suitable for MWM & Deutz engines
Essential Product: Hexagon BoltThe hexagon bolt with the reference number 628/38/16/05025992 is an OEM replacement part specifically designed to work perfectly with engines manufactured by Deutz. This product ensures that your engines can operate optimally. The fixed components have been adjusted to provide maximum efficiency and safety during operation.Technical Specifications: Compatible with Deutz EnginesWeighing only 0.05 kg, the hexagon bolt is a lightweight yet extremely stable component, suitable for the 2000 series as well as the engine types 12V2000M93 and 12V493 from Deutz. This combination of lightness and robustness makes the product particularly attractive for companies that rely on performance and quality. This way, you benefit from optimal functioning of your engine.
HEXAGON BOLT - 628/38/18/05065127 suitable for MWM & Deutz engines
Key Component: Hexagon Bolt for Your NeedsDiscover our product: the hexagon bolt that should not be missing in your workshop. This robust component is suitable for Deutz engines and carries the comparison number 628/38/18/05065127. Weighing only 0.047 kg, it offers high efficiency for all your maintenance tasks. Rely on the quality of the hexagon bolt to optimize the performance of your engines.OEM Replacement Parts in Premium QualityWe offer you OEM replacement parts in proven quality at competitive prices. The hexagon bolt is an excellent example of our range, as it ensures reliability in every application area. Suitable for Deutz and many other well-known manufacturers such as MWM, Mercedes-Benz, MAN, and Volvo, our products simplify commercial use, as they are specifically designed to meet their requirements.
HEXAGON BOLT - 628/38/5/05038377 suitable for MWM & Deutz engines
Precise Hexagon Bolt for Professional ApplicationsThe hexagon bolt with the reference number 628/38/5/05038377 is an essential OEM spare part for engines. Weighing only 0.044 kg, it combines stability and competence, which are essential for smooth engine operation. This hexagon bolt provides the ideal solution for various applications and ensures a long-lasting connection.Quality and Internal Control of Reference Number 628/38/5/05038377OEM spare parts, such as the hexagon bolt, stand for precision and reliability. Great importance is placed on internal controls during the manufacturing of these products to ensure that each part meets high industrial standards and delivers optimal performance. This is particularly important for designs compatible with Deutz engines, where unforeseen problems must be avoided.
HEXAGON BOLT - 628/87/88/05061508 suitable for MWM & Deutz engines
Reliable Hexagon Bolt: Essential for MachineryDiscover our hexagon bolt (comparison number: 628/87/88/05061508), specifically designed for the highest requirements in machine maintenance. This bolt is characterized by its lightweight of only 0.037 kg and compact dimensions of 3.8 cm x 3.8 cm x 1.9 cm. It is indispensable for work on engines and ideally suited as an OEM replacement part.
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.