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.
WASHER 60X72X2,5-C60 - 81907110737 suitable for MAN D engines
Shim Ring MAN D – Comparison Number 81907110737Discover our shim ring, perfectly adapted for MAN D engines. The comparison number 81907110737 is a hallmark of the quality of this OEM spare part, which you can purchase from MOPA Motorparts. Weighing only 0.022 kg, this product is lightweight yet robust enough to meet the high demands in marine and stationary applications.Precision and Reliability – Suitable for MAN DThe shim ring from our group of "washers" plays a crucial role in the functionality of your engines. Our products offer the quality that only OEM spare parts can provide, setting them apart from aftermarket components. This means for you: reliable performance and an extended lifecycle for your engines, thanks to precisely fitting parts.
PLAIN WASHER - 81907110730 suitable for MAN D engines
Discover the plain washer – Comparison number 81907110730Discover our product, the plain washer with the comparison number 81907110730. This essential OEM spare part belongs to the article group of washers and is of great importance for various applications. Weighing only 0.023 kg, it offers a practical yet robust solution for your requirements.Suitable for MAN D enginesThis spare part is suitable for MAN D engines and ensures a perfect fit as well as top performance. As an OEM spare part, it ensures that your engine operates in optimal condition and achieves high efficiency. Rely on this quality to enhance the durability of your engines.
WASHER 44,5X80X3-2.0490F60 - 81907110726 suitable for MAN D engines
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SHIM RING - 81907110723 suitable for MAN D engines
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SHIM - 81907110719 suitable for MAN D engines
Shim compatible with MAN D EnginesDiscover the shim (reference number: 81907110719), an essential product in the field of engines. This OEM replacement part has been specifically designed to optimize engine performance. Weighing only 0.044 kg, the shim offers an efficient solution that excels in a variety of applications, particularly in connection with MAN D engines.Quality and Precision for EnginesThe reference number 81907110719 stands for quality and precision. Our product is an OEM replacement part that meets the high standards of manufacturers. Rely on our shim, which is designed for MAN D engines, to achieve optimal performance. By using such quality components, we ensure that your engine operates efficiently and reliably.
SHIM - 81907110718 suitable for MAN D engines
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WASHER 26,2X35,7X2,3 - 81907110711 suitable for MAN D engines
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WASHER 17,2X24X1,5-ST12-O3 - 81907110710 suitable for MAN D engines
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SHIM - 81907110707 suitable for MAN D engines
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SHIM - 81907110706 suitable for MAN D engines
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SHIM - 81907110705 suitable for MAN D engines
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SHIM RING - 81907110701 suitable for MAN D engines
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SHIM RING - 81907110700 suitable for MAN D engines
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SHIM RING - 81907110699 suitable for MAN D engines
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WASHER 41X66X2-ST2K60-PAB - 81907110698 suitable for MAN D engines
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SHIM RING - 81907110697 suitable for MAN D engines
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SHIM RING - 81907110696 suitable for MAN D engines
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PLAIN WASHER - 81907110694 suitable for MAN D engines
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PLAIN WASHER - 81907110689 suitable for MAN D engines
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SHIM RING - 81907110688 suitable for MAN D engines
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SHIM RING - 81907110686 suitable for MAN D engines
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WASHER 46X72X2-ST2K60-PAB - 81907110685 suitable for MAN D engines
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SHIM RING - 81907110684 suitable for MAN D engines
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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.