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.
- 81323130565 suitable for MAN D engines
Discover the product with reference number 81323130565The OEM replacement part with reference number 81323130565 is a disc with a diameter of 7.15 mm, ideally suited for all MAN D engines. Our replacement parts represent quality and durability, optimally supporting your engines.Suitable for MAN D engines – Ensure optimal performanceThis replacement part fits MAN D engines and ensures that you achieve the best possible performance. Rely on our high-quality OEM replacement parts, designed for precise fit to maximize the efficiency of your engines.
PLAIN WASHER - 81323130564 suitable for MAN D engines
Premium Plain Washer with Comparison Number 81323130564Discover our plain washer with the comparison number 81323130564, an essential OEM spare part. This plain washer is specially designed to meet the highest demands for engines.Optimal Solution Suitable for MAN DThis product is perfectly suitable for MAN D engines. As an OEM spare part, it offers reliable performance and a long lifespan in various applications focused on diesel and gas.
SHIM - 81323130563 suitable for MAN D engines
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SHIM - 81323130562 suitable for MAN D engines
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PLAIN WASHER - 81323130550 suitable for MAN D engines
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PLAIN WASHER - 81323130520 suitable for MAN D engines
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PLAIN WASHER - 81323130519 suitable for MAN D engines
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PLAIN WASHER - 81323130518 suitable for MAN D engines
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- 81323130513 suitable for MAN D engines
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- 81323130512 suitable for MAN D engines
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- 81323130511 suitable for MAN D engines
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- 81323130510 suitable for MAN D engines
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- 81323130509 suitable for MAN D engines
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PLAIN WASHER - 81323130508 suitable for MAN D engines
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PLAIN WASHER - 81323130504 suitable for MAN D engines
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PLAIN WASHER - 81323130503 suitable for MAN D engines
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PLAIN WASHER - 81323130499 suitable for MAN D engines
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SHIM - 81323130496 suitable for MAN D engines
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SHIM - 81323130495 suitable for MAN D engines
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SHIM - 81323130494 suitable for MAN D engines
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SHIM - 81323130493 suitable for MAN D engines
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SHIM - 81323130492 suitable for MAN D engines
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RETAINING WASHER - 81323130491 suitable for MAN D engines
Reliable Retaining Washer with Comparison Number 81323130491 Discover our retaining washer with the comparison number 81323130491, specifically designed to meet the highest standards. This product is an essential OEM replacement part that provides you with excellent performance and supports optimal engine function.Suitable for MAN D Engines The OEM replacement part is compatible with MAN D engines and ensures precise integration into your system. The comparison number 81323130491 allows you to obtain a product that has been specifically developed for your needs without compromising quality.
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.