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 50X64X4-C60 - 81907100303 suitable for MAN D engines
Discover Shim Ring for MAN D EnginesDiscover the shim ring with the comparison number 81907100303, an essential product specifically designed for MAN D engines. This shim ring belongs to the category of washers and impresses with its precise fit and excellent workmanship. Weighing only 0.03 kg, the shim ring is ideal for demanding applications in marine and stationary environments.OEM Replacement Parts for the Highest StandardsOur shim ring is an OEM replacement part that stands for durability and reliability. The comparison number 81907100303 ensures that you receive a product that meets the quality standards set by leading manufacturers. Similar replacement parts suitable for brands such as MWM, Mercedes-Benz, Deutz, Volvo, MTU, Bosch, and Detroit Diesel complete our assortment and are also in stock.
WASHER 55X70X5-ST35E - 81907100276 suitable for MAN D engines
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WASHER 85X100X4-QSTE340N - 81907100275 suitable for MAN D engines
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WASHER 55X63X6-C60 - 81907100188 suitable for MAN D engines
Shim ring for MAN D enginesDiscover the shim ring with the comparison number 81907100188, an essential product for your machines. This OEM spare part ensures a precise fit and is specifically designed for MAN D engines. Weighing only 0.03 kg, this shim ring meets all requirements and provides optimal efficiency for your engines.Excellent Quality: OEM Spare Parts for Your MachinesThis shim ring belongs to the category "Washers" and is a reliable OEM spare part, suitable for MAN D engines. With our extensive selection of over 1 million spare parts, we offer everything you need for the maintenance and repair of your engines. Rely on products that meet the high standards of the original equipment manufacturers.
WASHER 87X99X3,5-ST55 - 81907100187 suitable for MAN D engines
Efficient Shim Ring for Highest DemandsThe shim ring with the comparison number 81907100187 is an indispensable OEM spare part for demanding engines. This product provides diameter tolerances and durability that are essential for use in industrial and marine environments, allowing you to rely on the performance of your equipment.Lightweight and Robust for MAN D EnginesWe offer you an OEM spare part that is designed to be suitable for MAN D engines. This shim ring weighing only 0.045 kg impresses with its ease of handling and longevity – perfect for continuous applications where efficiency is essential. Trust in quality that is evident in every operating hour.
WASHER 55X63X6,6-C60 - 81907100181 suitable for MAN D engines
Precise Shim Ring with Comparison Number 81907100181Discover the shim ring with the comparison number 81907100181 – an OEM replacement part designed to ensure optimal performance for engines. This shim ring belongs to the category of washers and offers precise fits and durable quality to optimize the functionality of your equipment. Weighing only 0.036 kg, this product is easy to handle.
WASHER 55X63X6,525-C60 - 81907100180 suitable for MAN D engines
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WASHER 55X63X6,45-C60 - 81907100179 suitable for MAN D engines
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WASHER 55X63X6,375-C60 - 81907100178 suitable for MAN D engines
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WASHER 55X63X6,3-C60 - 81907100177 suitable for MAN D engines
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WASHER 55X63X6,225-C60 - 81907100176 suitable for MAN D engines
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WASHER 55X63X6,15-C60 - 81907100175 suitable for MAN D engines
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WASHER 55X63X6,075-C60 - 81907100174 suitable for MAN D engines
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WASHER 72X85X3-ST55 - 81907100162 suitable for MAN D engines
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WASHER 30X42X3-ST37-2 - 81907100113 suitable for MAN D engines
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WASHER 60X72X5,95-C60 - 81907100101 suitable for MAN D engines
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WASHER 60X72X5,75-C60 - 81907100095 suitable for MAN D engines
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- 81907100077 suitable for MAN D engines
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WASHER 52X70X4-ST50-2U - 81907100061 suitable for MAN D engines
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WASHER 52X70X4,2-ST50-2U - 81907100060 suitable for MAN D engines
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WASHER 52X70X4,5-QSTE340N - 81907100059 suitable for MAN D engines
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PLAIN WASHER - 81907100057 suitable for MAN D engines
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WASHER 48X62X3,8-QSTE340N - 81907100031 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.