Engine washer – sealing and load distribution for engines
An engine washer is a small yet critical component used in engine assembly to distribute pressure, prevent loosening, and ensure tight seals between fastened surfaces. Whether used under bolts, nuts or screws, the right engine washer supports structural integrity and protects sensitive engine parts. In both marine and industrial engines, high-quality engine washers are essential for reliability and long-term performance.
- 51907100553 suitable for MAN D-engines
Versatile Disc for Demanding ApplicationsDiscover the disc 14/33.4/1.5, which plays a key role in many applications. This product carries the comparison number 51907100553 and impresses with top quality as well as a precise fit. This OEM replacement part is indispensable for reliable performance in various engines.Perfect Fit for Optimal ApplicationsDesign and performance are prioritized with this OEM replacement part, which is suitable for MAN D engines. As part of the product group holders, plates and flanges, the disc stands out for its durability and efficiency that only unique OEM replacement parts can provide. The difference from aftermarket products is clear: these products deliver optimal results.
- 51907100551 suitable for MAN D-engines
Precise Product: Washer 8.4/20/1.5The washer with the comparison number 51907100551 is a precise product, ideally suited for the specific requirements of engines. It measures 8.4/20/1.5 and belongs to the article group "Lines and pipes". This OEM replacement part impresses with excellent quality and durability.Replacement Part Compatible with MAN D EnginesOur product is compatible with MAN D engines and offers you optimal fit. With the comparison number 51907100551, you have a replacement part that enhances the performance of your engine and extends its lifespan.
- 51907100549 suitable for MAN D-engines
Excellent Disk 8.4/28/3 for MAN D EnginesDiscover our product, the disk 8.4/28/3, suitable for MAN D engines. This top-quality component impresses with precise manufacturing and a perfect fit. The reference number 51907100549 ensures the right choice for your needs.
- 51907100544 suitable for MAN D-engines
Ideal for Your Requirements: The Disk 18/54.5/10.5Discover the suitable OEM spare part, the disk 18/54.5/10.5. With the comparison number 51907100544, this part offers outstanding accuracy and functionality for your applications in marine and stationary use. We provide only OEM spare parts that are designed for peak performance.
- 51907100543 suitable for MAN D-engines
Quality of the Disc 8.5/23/2 for Your EnginesDiscover the Disc 8.5/23/2, a spare part specifically designed to optimally support your MAN D engines. With the comparison number 51907100543, this product is suitable for the individual requirements in marine and stationary applications. Trust in the performance that our spare parts offer.Precise Components – Suitable for Various EnginesThis Disc 8.5/23/2 belongs to the category of lines and pipes, which are ideally suited for engine-related applications. Our strict internal controls ensure that every product available in our range meets the highest standards, thereby enhancing the efficiency of your engines.
- 51907100542 suitable for MAN D-engines
Demanding Product: Disk 10.5/23/2.3The disk 10.5/23/2.3 with the reference number 51907100542 is a high-quality engine drive component designed for optimal use in diesel and gas engines. This product ensures smooth integration and delivers essential functionalities.Suitable for MAN D EnginesOur engine drive component is suitable for MAN D engines and allows for precise adjustment to support innovative product developments. Rely on the reference number 51907100542, which ensures functionality and quality.
- 51907100539 suitable for MAN D-engines
Reliable Replacement Part Suitable for MAN D Engines The product disc 17/30/5, suitable for MAN D, is a component for the exhaust system developed as a result of extensive testing. With the comparison number 51907100539, you can be confident of receiving a quality OEM replacement part that is essential for the optimal performance of your engines.
- 51907100535 suitable for MAN D-engines
OEM Replacement Part: Disc 9/28/3 for MAN D EnginesDiscover our OEM replacement part, the disc 9/28/3, with the comparison number 51907100535. This product belongs to the category gauges and sensors and is compatible with MAN D engines. MOPA Motorparts offers you high-quality replacement parts specifically for diesel and gas engines.Reliable Performance for Your EnginesThe disc 9/28/3 impresses with its precise workmanship and provides analytical security in demanding applications. With the comparison number 51907100535 and as a compatible part for MAN D engines, this product ensures optimal function and durability of your machines.
- 51907100534 suitable for MAN D-engines
Efficient Replacement Part: Disc 11/50/3Discover the Disc 11/50/3, an essential OEM replacement part that optimizes the performance of your system. With the comparison number 51907100534, this product is indispensable for precise engine controls in various applications.
PLAIN WASHER - 51907100533 suitable for MAN D-engines
Precise Plain Washer for MAN D EnginesDiscover our OEM replacement part, the plain washer, compatible with MAN D engines. Our comparison number 51907100533 represents quality and durability. This washer replacement part ensures that your engines achieve maximum efficiency and operate reliably over a long period.Strict Control for Your SafetyIn the production of OEM replacement parts, we place great value on internal controls. Every product, such as our plain washer, is thoroughly tested to ensure that it meets the requirements needed for engines from renowned manufacturers.
- 51907100532 suitable for MAN D-engines
Premium Parts for Your RequirementsDiscover our reliable replacement part, the Disc 9x19x3-9smnpb28k-man183-b7, perfectly suitable for your engines. This component is specifically designed to optimize the functionality and performance of your system. Based on the comparison number 51907100532, this product offers everything you need for a successful application.Suitable for MAN D EnginesThis product is suitable for MAN D engines, providing an excellent solution for your specific requirements. The precision of the replacement parts ensures that all standards are met and the highest efficiency can be achieved. Your engines deserve the best components!
- 51907100531 suitable for MAN D-engines
Precise Disk 12.5/30/5 with Excellent Filter PerformanceDiscover the disk 12.5/30/5, perfectly suitable as an OEM replacement part to optimize the functionality of your engines. The comparison number 51907100531 allows for easy identification of this product. All our products undergo strict internal controls to ensure you receive the desired quality.Suitable for MAN D EnginesThe disk 12.5/30/5 is compatible with MAN D engines, an essential component in the field of diesel and gas engine performance. This OEM replacement part offers the highest level of compatibility and efficiency, which is crucial for reliable operation.
- 51907100528 suitable for MAN D-engines
Efficient Disc 13/24/3.5 for Your ApplicationsDiscover the disc 13/24/3.5 with the reference number 51907100528. This product is part of our range of OEM spare parts and offers outstanding quality for your engine needs. Whether pumps, parts, or accessories, this disc is exactly what you need.Effortlessly Compatible with MAN D EnginesThis disc is designed to be compatible with MAN D engines, ensuring smooth operation of your equipment. The reference number 51907100528 reflects our commitment to quality and durability.
- 51907100526 suitable for MAN D-engines
Premium Washer 26x40x6 with Comparison Number 51907100526 The Washer 26x40x6 is an essential OEM spare part designed for MAN D engines. The comparison number 51907100526 ensures that you receive a high-quality component that optimally supports performance in your engine applications.
- 51907100525 suitable for MAN D-engines
Quality Assurance with Comparison Number 51907100525Discover the products from the gasket category. Our product, the Disc 11x40x10-c45-man183-b13, is offered to you with the comparison number 51907100525. This reliable component impresses with its excellent fit and longevity, which you need for your compatible with MAN D engines.Compatible with MAN D EnginesOur OEM replacement part is specifically designed to be compatible with MAN D engines. With the comparison number 51907100525, you can be sure that your engine benefits from tested quality. OEM replacement parts offer you many advantages that are often not available with the aftermarket. Therefore, pay attention to authentic components to ensure the optimal performance of your engines.
- 51907100524 suitable for MAN D-engines
Precision Product: Washer 11/26/3.2 for Your EnginesThe washer 11/26/3.2 with the reference number 51907100524 is an indispensable OEM spare part that has been developed to support your engines effectively. This connecting element meets the highest quality standards and is designed for durability.Suitable for MAN D Engines: Reliable ChoiceOur spare part is suitable for MAN D engines and offers safe and precise handling. Use our OEM spare parts specially designed for maritime and stationary applications.
- 51907100523 suitable for MAN D-engines
Premium Replacement Part for Demanding Applications Discover the disc 11/26/2, a top-quality product identified by the comparison number 51907100523. This OEM replacement part is specifically designed to excel in demanding marine and stationary engine applications.Excellent Compatibility with MAN D Engines Our replacement part is immediately suitable for MAN D engines, ensuring that your performance excellence is maintained. Trust in the quality of OEM replacement parts that offer precise fit and durability.
- 51907100522 suitable for MAN D-engines
Disc 8.5x20x1.5-st1203-man183-b13 for TurbochargerThe disc 8.5x20x1.5-st1203-man183-b13 is a high-quality OEM replacement part in the turbocharger category. Designed for MAN D engines, this disc consistently provides excellent fit and functionality. The comparison number 51907100522 stands for quality in application and is ideal for demanding offshore and stationary engine conditions.Optimal combination for enginesThis OEM replacement part impresses with precise manufacturing that allows for ideal adaptation to MAN D engines. Our products ensure that performance and efficiency in the engines are reliably achieved. You can rely on the quality of our outstanding components.
- 51907100521 suitable for MAN D-engines
Washer 11/35/5: Your Solution for Demanding EnginesDiscover the washer 11/35/5, which is listed under the reference number 51907100521. This product is an essential replacement part, specially designed for MAN D engines. Meet the requirements of your applications with a washer that is engineered for performance.
- 51907100518 suitable for MAN D-engines
Optimal Spare Part for Your ApplicationsPresenting the top-quality OEM spare part, the washer 13/30/6 with the comparison number 51907100518, which is suitable for MAN D engines. This washer meets the highest quality standards and ensures smooth functionality of your engines and mechanical components.
- 51907100517 suitable for MAN D-engines
Optimal Disk 12.5x37x6 for Your EnginesDiscover our disk 12.5x37x6, which has been developed as a reliable OEM replacement part suitable for MAN D engines. With the reference number 51907100517, this product offers the quality you need for successful operation. It is durable and is well-suited for marine applications and stationary use.Customized Solutions for MAN D EnginesThe OEM replacement part is specifically designed for engines that are suitable for MAN D. This disk ensures efficient functionality and high performance of your engines, regardless of the operating conditions.
- 51907100515 suitable for MAN D-engines
Essential Product: Disk dmr 21/30/2.2The disk dmr 21/30/2.2 (comparison number: 51907100515) is an important OEM spare part that plays a central role in the valve train. This product ensures efficient performance of your diesel or gas engines. The comparison number 51907100515 helps you quickly identify the right part.Suitable for MAN D EnginesOur OEM spare part is specifically designed to be suitable for MAN D engines and offers maximum reliability. With precise processing, optimal performance and longevity are ensured. Rely on parts that keep your machines in excellent condition.
- 51907100514 suitable for MAN D-engines
Excellent OEM Replacement Part: Washer 12.5/30/3Discover our Washer 12.5/30/3 (reference number: 51907100514), a reliable OEM replacement part specifically designed to support the performance of your suitable for MAN D engines. The offering includes the quality required for the engines used in marine and stationary applications. Rely on the proven design to enhance the efficiency of your model.Versatile Application for Optimal EfficiencyLooking for a product that is precisely manufactured and suitable for MAN D engines? Our Washer 12.5/30/3 provides optimal fit and functionality for various applications. Thanks to its design and strength, it is a valuable addition for the engines used by various manufacturers, including MWM, Mercedes-Benz, and Bosch.
- 51907100512 suitable for MAN D-engines
### Product Description for OEM Spare PartPOWERFUL COMPONENT FOR MECHANICS Discover the Disc 6.2/11/2 as a reliable OEM spare part, compatible with MAN D engines. The comparison number 51907100512 ensures precise identification and utilization in a variety of applications.
Function and advantages
Engine washers serve several key functions in engine construction and repair. They are used to:
- Distribute clamping force evenly across surfaces
- Protect soft materials or coatings from fastener damage
- Improve sealing and prevent loosening due to vibration
In dynamic applications, engine washers also help compensate for thermal expansion, surface irregularities and pressure shifts within the engine block or housing.
Types and applications
Engine washers are used across all major engine components – from cylinder heads and manifolds to oil pans, pumps and brackets. Common types include:
- Flat washers for load distribution
- Spring washers for vibration resistance
- Sealing washers (e.g. copper or rubberized) for fluid-tight joints
Each engine washer must be matched to the specific fastener size, torque requirement and environmental condition. In marine and high-vibration engines, corrosion-resistant and locking washer types are preferred.
Materials and availability
Engine washers are typically made from hardened steel, stainless steel, brass, aluminum or copper – depending on application and environment. Coated variants help prevent corrosion and galling. We offer a wide range of engine washers for MTU, MAN, Volvo Penta, Deutz and MWM engines – in OEM-compatible quality and with fast availability.
FAQ
What is an engine washer used for?
An engine washer is placed under a nut, bolt or screw to distribute pressure, improve grip and prevent damage to surrounding surfaces. It also helps maintain torque and sealing under heat, pressure and vibration.
Are all engine washers the same?
No. Engine washers vary in size, thickness, material and function. Some are designed for sealing, others for locking or vibration damping. Using the correct washer type is critical for safety and performance.
When should engine washers be replaced?
Engine washers should be replaced during engine overhauls, when fasteners are removed, or when there are signs of wear, corrosion or deformation. Reusing worn washers can lead to leaks or torque loss.