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 65X80X4,67-C60 - 81907700202 suitable for MAN D engines
Optimal Shim Ring for Efficient EnginesDiscover the shim ring with the comparison number 81907700202, which is the optimal solution for your needs. This product is specifically designed to support engines with the highest efficiency and reliability. The shim ring is an important OEM spare part and weighs only 0.05 kg, making it easy to handle.Quality through OEM Spare PartsThe shim ring with the comparison number 81907700202 is suitable for MAN D engines and offers you the performance you expect from an OEM spare part. You benefit from the durability and precision that are crucial for your engine. An advantageous offer is the original equipment manufacturer quality at attractive prices, leaving nothing to be desired.
WASHER 65X80X4,66-C60 - 81907700201 suitable for MAN D engines
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WASHER 65X80X4,64-C60 - 81907700200 suitable for MAN D engines
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WASHER 65X80X4,63-C60 - 81907700199 suitable for MAN D engines
Precise Shim Ring for MAN D Engines Discover the shim ring with the reference number 81907700199, an essential spare part that optimizes your engine technology. This shim ring weighs only 0.06 kg and ensures a precise fit – a must-have for those who prioritize quality.Features of the Shim Ring The shim ring is perfectly compatible with MAN D engines and ensures excellent performance. Its careful manufacturing and internal control ensure that each spare part meets the highest standards, enhancing the reliability of your engines.
WASHER 65X80X4,62-C60 - 81907700198 suitable for MAN D engines
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WASHER 65X80X4,61-C60 - 81907700197 suitable for MAN D engines
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WASHER 65X80X4,59-C60 - 81907700196 suitable for MAN D engines
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WASHER 65X80X4,58-C60 - 81907700195 suitable for MAN D engines
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WASHER 65X80X4,57-C60 - 81907700194 suitable for MAN D engines
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WASHER 65X80X4,56-C60 - 81907700193 suitable for MAN D engines
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WASHER 65X80X4,53-C60 - 81907700191 suitable for MAN D engines
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WASHER 65X80X4,52-C60 - 81907700190 suitable for MAN D engines
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WASHER 65X80X4,51-C60 - 81907700189 suitable for MAN D engines
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WASHER 65X80X4,49-C60 - 81907700188 suitable for MAN D engines
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WASHER 65X80X4,48-C60 - 81907700187 suitable for MAN D engines
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WASHER 65X80X4,39-C60 - 81907700180 suitable for MAN D engines
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WASHER 65X80X4,38-C60 - 81907700179 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.