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.
- 81907010224 suitable for MAN D engines
Premium Product: Disk 7x40x2-st1203Discover the disk 7x40x2-st1203, a top-quality product marked with the reference number 81907010224 as an OEM replacement part. This component is suitable for MAN D engines and meets the highest quality standards. With this disk, you ensure reliable performance of your engines.Precision and DurabilityThe disk 7x40x2-st1203 is ideally designed for use in diesel and gas engines. Thanks to the reference number 81907010224, you receive an OEM replacement part that provides a perfect fit and optimal performance. It is specifically developed to extend the lifespan of your engines.
WASHER 60X92X0,5-ST2K60 - 81907010215 suitable for MAN D engines
Shim ring with comparison number 81907010215 for MAN D enginesThe shim ring with the comparison number 81907010215 is an essential OEM spare part that is optimally tailored to the requirements of MAN D engines. This product offers the premium quality you can expect from a manufacturer as a B2B customer. Weighing only 0.015 kg, the shim ring is not only lightweight but also extremely stable and durable.Efficient inventory management for speedThanks to our large stock, we are able to offer you the shim ring along with the comparison number 81907010215 quickly and reliably. For over 25 years, we have specialized in OEM spare parts specifically developed for the needs of engines in marine and stationary applications, as well as for locomotives. This ensures that you receive only the best components for your applications.
WASHER 60X92X0,2-ST2K60 - 81907010214 suitable for MAN D engines
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PLAIN WASHER - 81907010206 suitable for MAN D engines
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WASHER 52X59X0,2-ST2K60 - 81907010167 suitable for MAN D engines
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WASHER 52X59X0,5-ST2K60 - 81907010166 suitable for MAN D engines
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WASHER 120X139X0,1-ST2K60 - 81907010162 suitable for MAN D engines
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WASHER 120X139X0,5-ST2K60 - 81907010155 suitable for MAN D engines
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WASHER 18,2X26X0,5-ST2K60 - 81907010144 suitable for MAN D engines
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WASHER 99X119X0,1-ST2K60 - 81907010124 suitable for MAN D engines
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WASHER 87X99X0,5-ST2K60 - 81907010121 suitable for MAN D engines
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WASHER 87X99X0,1-ST2K60 - 81907010119 suitable for MAN D engines
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WASHER 38,5X50X0,5-ST2K60 - 81907010099 suitable for MAN D engines
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WASHER 13X26X0,15-ST2K60 - 81907010069 suitable for MAN D engines
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WASHER 20X26X0,2-ST2K60 - 81907010068 suitable for MAN D engines
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WASHER 62X92X0,2-ST2K60 - 81907010066 suitable for MAN D engines
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WASHER 62X92X0,5-ST2K60 - 81907010065 suitable for MAN D engines
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WASHER 54X61X0,5-ST2K60 - 81907010058 suitable for MAN D engines
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WASHER 54X61X0,2-ST2K60 - 81907010057 suitable for MAN D engines
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PLAIN WASHER - 81907010051 suitable for MAN D engines
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PLAIN WASHER - 81907010048 suitable for MAN D engines
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PLAIN WASHER - 81907010047 suitable for MAN D engines
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WASHER 85X100X0,1-ST2K60 - 81907010041 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.