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.
SPACER RING - 51026020105 suitable for MAN D-engines
Practical Product: Spacer Ring for MAN D EnginesDiscover our product, the spacer ring with the comparison number 51026020105. This precisely manufactured OEM replacement part is specially designed to ensure optimal functionality in your drive system.
SPACER RING - 51026020104 suitable for MAN D-engines
Optimal Spacer Ring for MAN D EnginesDiscover our premium product, the spacer ring with the comparison number 51026020104. This spacer ring is a versatile OEM replacement part and ensures optimal performance in your applications. It is suitable for MAN D engines and impresses with its exceptional quality.Quality through Internal Testing ProcessesAt MOPA Motorparts, we rely on reliable internal controls for all our OEM replacement parts. Each product, including this valuable spacer ring, undergoes thorough quality assurance to ensure that only the best reaches your applications.
SPACER RING - 51026020098 suitable for MAN D-engines
Quality Features of the ProductOur spacer ring with the comparison number 51026020098 is a precisely manufactured OEM replacement part that is essential for the optimal function of your suitable for MAN D engines. With an excellent fit, this spacer ring, which belongs to the category of washers, ensures maximum performance in your application.
SPACER RING - 51026020080 suitable for MAN D-engines
Versatile Spacer Ring for Various ApplicationsDiscover the versatile spacer ring, with the comparison number 51026020080, perfect for enhancing the efficiency of your engines. This spacer ring belongs to the washer category and offers unmatched precision. Weighing only 0.85 kg, it is specifically designed for demanding applications in marine and stationary technology.OEM Replacement Parts from Controlled ProductionOur replacement parts are recognized as OEM replacement parts, meaning they were originally developed by the engine manufacturer. The OEM replacement part with the comparison number 51026020080 ensures compatibility with MAN D engines. Unlike many aftermarket solutions, using an OEM part provides you with maximum reliability and performance.
SPACER RING - 51026020074 suitable for MAN D-engines
Spacer ring suitable for MAN D enginesDiscover the spacer ring that is ideal for MAN D engines! With the comparison number 51026020074, this OEM spare part provides a perfect solution to ensure the functionality of your engines. The demands in marine and stationary applications require reliable components, and our product impresses with excellent quality.Suitable for OEM standardsThe spacer ring is an OEM spare part that meets the highest requirements. Weighing 1.5 kg, it convinces with durability and robustness, allowing it to perform optimally even under challenging conditions.
SPACER RING - 51026020053 suitable for MAN D-engines
Reliable Spacer Ring: Reference Number 51026020053The spacer ring (reference number: 51026020053) is an essential product that meets the highest standards. Weighing 1.37 kg, this component aids in the proper functioning of various engines. Always economical in application, it enhances the efficiency of your system.
SPACER RING - 51026020045 suitable for MAN D-engines
High-Performance Spacer Ring for Optimal IntegrationDiscover our spacer ring, also known by the comparison number 51026020045. This product is an essential component for the reliable functioning of engines. Weighing only 0.4 kg, the spacer ring is both lightweight and extremely effective, making it ideally suited to meet your requirements.Versatility for MAN D EnginesThe spacer ring is compatible with MAN D engines and offers the highest quality, which is essential for stationary and marine applications. This is an OEM replacement part designed not only for easy integration into existing systems but also for excellent performance.
SPACER RING - 51026020035 suitable for MAN D-engines
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SPACER RING - 51026020019 suitable for MAN D-engines
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WASHER 60,05X145X10,5-50CRV4 - 51023050050 suitable for MAN D-engines
For versatile applications: Washer 60,05x145x10,5-50crv4Discover the washer 60,05x145x10,5-50crv4, an essential product from the category holders, plates and flanges. This washer offers good quality and durability through its precise manufacturing. Weighing 0.65 kg, it is particularly suitable for torque applications in numerous engines.Suitable for MAN D enginesThe comparison number 51023050050 ensures that this OEM replacement part is precisely designed for many MAN D engines. Our OEM replacement parts provide you with the necessary fit for efficient project execution.
SPACER RING - 51023050049 suitable for MAN D-engines
Innovative Spacer Ring with High PrecisionDiscover the Spacer Ring with the comparison number 51023050049. This OEM spare part is ideally suited for applications in MAN D engines and provides a reliable solution for various challenges in operation. Weighing 1.01 kg, this Spacer Ring stands out for its stability and durability, meeting the highest industrial standards.
WASHER - 51023050041 suitable for MAN D-engines
Washer with Comparison Number 51023050041Discover the washer with comparison number 51023050041, an essential spare part for efficient engine operation. This product is specifically designed to ensure that all components in your drive system are securely connected. Weighing only 0.233 kg, it is easy to handle and especially valuable for use in various applications of diesel and gas engines.
WASHER - 51023050028 suitable for MAN D-engines
Washer with comparison number 51023050028Discover the washer with comparison number 51023050028, an essential OEM spare part that is perfectly suitable for MAN D engines. This washer ensures the highest precision and reliability in engine operation.
SPACER RING - 51023050016 suitable for MAN D-engines
Premium Replacement Part from the Product Group WashersDiscover the spacer ring with the comparison number 51023050016, an essential OEM replacement part that impresses with its precise fit. This spacer ring is a necessary component that ensures smooth operation of engines. Weighing 13.1 kg, it offers optimal stability, which is crucial in use.
WASHER - 51023050003 suitable for MAN D-engines
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SPACER RING - 51023010394 suitable for MAN D-engines
Excellent Quality for Your RequirementsDiscover our OEM spare part, the spacer ring with the comparison number 51023010394. This spacer ring has been carefully designed and is suitable for MAN D engines. It ensures a precise fit and the highest operational reliability that you can expect from an OEM spare part.Efficiency and ReliabilityWeighing 6.7 kg, the product provides a robust solution for various applications in marine navigation and stationary services. The spacer ring, being suitable for MAN D engines, ensures smooth performance that meets the demands of industrial use. Minimize wear and maximize efficiency.
TOOTH LOCK WASHER - 51022050038 suitable for MAN D-engines
Efficient Product: Tooth lock washer for Your ApplicationsDiscover our tooth lock washer with the comparison number 51022050038, which represents an ideal OEM spare part. This product offers perfect fit and function for your MAN D engines. Thanks to its excellent quality, the tooth lock washer is suitable for various applications in marine and stationary areas.Precise Fit for MAN D EnginesThe tooth lock washer is an essential OEM spare part that ensures reliability. As a replacement part suitable for MAN D, it significantly contributes to the efficiency of your engines. Rely on our OEM spare parts and benefit from cost-saving opportunities in your maintenance.
PLAIN WASHER - 51022050031 suitable for MAN D-engines
Don't Compromise on QualityDiscover the plain washer with the comparison number 51022050031, a necessary OEM spare part for your application. This product plays a crucial role in the operational stability of your engines in marine and stationary use.Suitable for MAN D EnginesThis plain washer is suitable for MAN D engines, known for their robustness and reliability. All parts meet the highest quality standards, ensuring long-lasting functionality so you can always meet your requirements.
WASHER - 51022050029 suitable for MAN D-engines
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WASHER - 51022050021 suitable for MAN D-engines
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WASHER - 51022050020 suitable for MAN D-engines
Washer 51022050020 for MAN D EnginesDiscover the washer with the comparison number 51022050020, specifically designed to optimize engine performance. This product offers a precise fit and is the ideal solution for anyone needing a reliable component to keep their engines running. As an OEM replacement part, it provides the highest quality and durability.Perfect Fit for MAN D EnginesThis washer, suitable for MAN D, is designed to meet the demands of marine and stationary applications. Weighing only 0.04 kg, the product is particularly lightweight and user-friendly. By using this washer, you ensure the optimal functionality of your engines.
WASHER - 51015050162 suitable for MAN D-engines
Premium Washer: Comparison Number 51015050162The washer with the comparison number 51015050162 is a crucial OEM spare part that plays an important role in the functionality of your engines. This product is suitable for MAN D engines and offers reliability and efficiency in every application.Efficient Solution for MAN D EnginesThis product comes from the group of washers and has been manufactured with the specific requirements of the manufacturers in mind. Thanks to this washer, which is suitable for MAN D engines, you can ensure the smooth functionality of your systems.
SHIM - 51012220002 suitable for MAN D engines
Shim – Comparison Number 51012220002Discover the shim with the comparison number 51012220002, an essential component for precise applications in engine technology. This product is optimally designed for MAN D engines and offers not only an excellent fit but also the desired performance characteristics required in the industry.
SHIM - 51012220001 suitable for MAN D-engines
Precise Shim with Comparison Number 51012220001Experience the reliable shim with the comparison number 51012220001, designed to meet your specific requirements. This OEM spare part impresses with its excellent precision and a weight of only 0.001 kg. The shim contributes to the stability and optimal performance of your engine, allowing you to rely on its function at all times.Optimal Fit for MAN D EnginesThe shim is suitable for MAN D engines and plays a crucial role in functionality. OEM spare parts ensure that each product meets the highest standards. Rely on this shim to minimize disruptions in engine operation and thereby extend the lifespan of your system.
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.