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 - 04402253 suitable for MWM & Deutz engines
Stud: Your Reliable ProductDiscover the stud with comparison number 04402253, an essential OEM spare part, suitable for MWM & Deutz engines. This screw combines precise fit and high quality that are essential for diesel and gas engines.
THREADED ROD - 04414754 suitable for MWM & Deutz engines
Reliable Threaded Rod for Your EnginesThe threaded rod with the comparison number 04414754 is an indispensable spare part from the category of screws. This impressive product is perfectly suited for engines developed for MWM & Deutz. With its excellent quality, it ensures a secure connection in demanding operating conditions.
HEXAGON BOLT - 09960307 suitable for MWM & Deutz engines
Precise Hexagon Bolt for EnginesDiscover the hexagon bolt with the comparison number 09960307, an essential OEM spare part that impresses with high quality. This bolt is specifically designed to function powerfully and reliably and is a crucial component suitable for various engine applications.
SCREW/BOLT - 04406661 suitable for MWM & Deutz engines
Essential Screw with Comparison Number 04406661 Discover the screw with the comparison number 04406661, which belongs to the premium OEM spare parts. This screw is essential for applications in stationary and marine applications and ensures optimal tuning of your engines and their performance.Robust Products Suitable for MWM & Deutz Engines This OEM spare part is suitable for MWM & Deutz engines and plays a central role in maintaining engine performance. Its reliable execution ensures a long service life, which is particularly demanded for industrial use.
HEXAGON BOLT - 04904827 suitable for Deutz engines
Quality of Hexagon Bolt Comparison Number 04904827 Discover the Hexagon bolt with the comparison number 04904827, a reliable replacement part suitable for your needs. Weighing only 0.019 kg, this product combines durability with lightness and meets the highest standards for applications in the marine and stationary industry.
OVAL-HEAD COUNTERSUNK SCREW - 04399121 suitable for MWM & Deutz engines
First-Class Product: Oval-head Countersunk ScrewDiscover the Oval-head countersunk screw with the comparison number 04399121, an outstanding product in our category "Screws". This OEM replacement part ensures that your machines operate precisely. The focus is not only on quality but also on durability in the production of this product, which has been specifically developed for use in industrial and marine engines during the replacement process.Efficiency through MWM & Deutz EnginesThe Oval-head countersunk screw is precisely designed for MWM & Deutz engines. At MOPA, we emphasize the importance of distributing only the highest quality replacement parts. This product ensures that your engines operate efficiently and deliver their maximum performance.
HEXAGON BOLT - 09960411 suitable for MWM & Deutz engines
Precise spare part with comparison number 09960411Discover the Hexagon bolt with the comparison number 09960411, a crucial OEM spare part designed to fit MWM & Deutz engines. This product offers an ideal fit and the highest quality for your engines.Quality for MWM & Deutz enginesThe Hexagon bolt is an essential spare part suitable for MWM & Deutz, whose careful manufacturing optimizes the performance of your engines. Rely on this precise solution that minimizes downtime.
HEXAGON BOLT - 09960508 suitable for MWM & Deutz engines
Hexagon Bolt for Engines in TrustThe hexagon bolt with the comparison number 09960508 is an essential OEM replacement part that proves to be reliable and functional. Suitable for MWM & Deutz engines, this product offers maximum precision and compatibility for your engine.Comparison Number 09960508 for Perfect FitThe replacement part suitable for MWM & Deutz engines is particularly designed for specialized applications in marine and stationary areas. With the comparison number 09960508, you can rely on the high quality of the OEM replacement parts.
HEXAGON BOLT - 09960530 suitable for MWM & Deutz engines
Quality Hexagon Bolt for Engines Discover the hexagon bolt, comparison number 09960530, an essential OEM replacement part for the performance of your engines. This hexagon bolt is specifically designed to achieve durable results and is suited as a reliable component.
SCREW/BOLT - 04416718 suitable for MWM & Deutz engines
Excellent Product: Comparison Number 04416718Our screw/bolt with the comparison number 04416718 is a reliable OEM replacement part that has been specially designed. It is suitable for MWM & Deutz engines. Through precise processing, we meet the quality and functionality standards required in the industry.Stable Solution for Your EnginesThe screw/bolt appears stable and robust, making it an essential component in complex engine systems. With the comparison number 04416718, it holds an important position in operation. Trust our OEM replacement parts, which are specifically manufactured to provide optimal performance.
VENT PLUG - 06852123 suitable for MWM & Deutz engines
Excellent Purpose: Vent PlugThe vent plug with the comparison number 06852123 is an essential product for the maintenance and operation of engines. This screw enables reliable ventilation, which is particularly important to ensure optimal performance of your drive. It is specifically used for suitable for MWM & Deutz engines and meets all requirements in the respective application.Suitable for MWM & Deutz with Optimized PerformanceThe comparison number 06852123 indicates that the vent plug is designed as an OEM replacement part suitable for machines from the manufacturers MWM & Deutz. This gives you the opportunity to choose a replacement part of confirmed quality that is tailored to your specific applications. With these OEM replacement parts, you effectively invest in the longevity and efficiency of your machines.
SCREW PLUG - 04394725 suitable for MWM & Deutz engines
Efficient Screw Plug for Your RequirementsThe screw plug with the comparison number 04394725 is a premium replacement part designed for MWM & Deutz engines. This robust screw belongs to the group of screws and meets the highest quality standards for reliable performance of your engines.
SCREW/BOLT - 04443169 suitable for MWM & Deutz engines
Robust Screw – Comparison Number 04443169Discover our premium product, the screw with comparison number 04443169, suitable for MWM & Deutz engines. This OEM manufacturing offers an optimal fit and is perfect for use in various applications.Quality Suitable for MWM & Deutz EnginesThis screw as an OEM replacement part meets the highest standards and ensures that your MWM & Deutz engines remain highly efficient. Rely on safe and dependable solutions for your engine needs.
HEXAGON BOLT - 09960488 suitable for MWM & Deutz engines
Hexagon bolt suitable for MWM & Deutz enginesDiscover the OEM replacement part in the form of the Hexagon bolt, which comes with the comparison number 09960488. This special product is essential for reliable assembly in engines. The Hexagon bolt impresses with its precision and durability, making it ideal for use in industry and marine applications.
THREADED ROD - 04419927 suitable for MWM & Deutz engines
Optimally Assembled: Threaded Rod for Your Engines Our threaded rod (comparison number: 04419927) is the ideal OEM replacement part, suitable for MWM & Deutz engines. This product is categorized under screws and ensures effective functionality and longevity of your engines.
HEXAGON BOLT - 04511625 suitable for Deutz engines
Hexagon Bolt for Engines in UseDiscover our hexagon bolt with the comparison number 04511625, an essential OEM spare part that provides you with the highest functionality for your machines. This hexagon bolt is ideal for ensuring the reliability and performance of your engines.Suitable for Deutz EnginesOur hexagon bolt is specifically designed to fit Deutz engines. This product ensures that your applications in marine and stationary use operate optimally.
STUD - 04440802 suitable for MWM & Deutz engines
STUD with the comparison number 04440802 suitable for MWM & Deutz engines
HOLLOW SCREW - 04443485 suitable for MWM & Deutz engines
Your Reliable Hollow Screw: Comparison Number 04443485Discover our hollow screw with the comparison number 04443485, a reliable product suitable for MWM & Deutz engines. This specific screw belongs to the product group screws and is made from high-quality materials to ensure optimal performance of your engines.Meeting High Standards: Product Suitable for EnginesOur hollow screw is an essential OEM replacement part that meets the highest standards and has been specifically designed to perfectly harmonize with MWM & Deutz engines. Secure the performance you expect from your engines with our hollow screw.
SET SCREW - 04416947 suitable for MWM & Deutz engines
Set screw for optimal engine performanceDiscover our set screw, which according to the comparison number 04416947 is an essential OEM spare part for your diesel and gas engines. This price-performance ratio offers quality that is indispensable for the operation of machines in maritime and stationary applications.Precision for MWM & Deutz enginesThis set screw is specifically designed for MWM & Deutz engines and ensures that your engines operate efficiently. The application of such a spare part in your technology can significantly enhance the lifespan and performance of your machines.
STUD - 04418523 suitable for MWM & Deutz engines
Versatility of the StudDiscover the stud with the comparison number 04418523. This OEM replacement part is made for reliable applications in engines. The stud is essential and suitable for MWM & Deutz engines to ensure pressure and stability.Application in MWM & Deutz EnginesThe stud is a vital component specifically designed for MWM & Deutz engines. This makes it ideally suited to support precision for your engine applications. Rely on this proven functionality!
STUD - 04443222 suitable for MWM & Deutz engines
Premium Quality: Stud 04443222Our Stud with the comparison number 04443222 is a top-notch OEM spare part that is suitable for MWM & Deutz engines. The product stands out due to the highest standards and reliability that only original equipment manufacturers can provide. Trust our expertise for long-term solutions in your engine technology.Perfect Fit for Various ApplicationsThis Stud is specifically designed to ensure the precise fit required for the operation of your MWM & Deutz engines. Suitable for these high-class engines, you will benefit from the longevity and versatility that only our OEM spare parts can deliver.
SCREW/BOLT - 04407236 suitable for MWM & Deutz engines
High-Performance OEM Replacement Part: Screw 04407236Discover the screw with the comparison number 04407236, an excellent OEM replacement part. This product is compatible with MWM & Deutz engines and meets the quality standards you expect from industrial applications.Availability and Fast DeliveryOur large warehouse offers a variety of items, and we are always ready to process orders efficiently. The comparison number 04407236 ensures compatibility with the required engines.
HEXAGON BOLT - 09960372 suitable for MWM & Deutz engines
Hexagon Bolt: Your Reliable Replacement PartThe hexagon bolt with the comparison number 09960372 is a valued replacement part. It ensures precise fit and relies on robust properties. This hexagon bolt is compatible with various engines that meet the highest requirements and is particularly suitable for demanding applications.OEM Replacement Parts for MWM & Deutz EnginesAs an OEM replacement part, this hexagon bolt is ideally suited for maintenance and repairs. It is compatible with MWM & Deutz engines and meets the most stringent standards. Trust in the quality you expect from an OEM replacement part.
HEXAGON BOLT - 09960505 suitable for MWM & Deutz engines
Reliable Hexagon Bolt in Tested QualityDiscover the hexagon bolt with the comparison number 09960505, a top-quality OEM replacement part in the screws category. This product is specifically designed to meet the demands of engines. With the hexagon bolt, you ensure stability and safety in your applications.Suitable for MWM & Deutz EnginesThe hexagon bolt is suitable for MWM & Deutz engines and meets the high standards of the industry. Rely on us to always provide the right choice for your technical needs. With the comparison number 09960505, it is ensured that you receive the appropriate product.
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.