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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.

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SHIM - 81323120504 suitable for MAN D engines

SHIM - 81323120504 suitable for MAN D engines

Shim: OEM Replacement Part for MAN D EnginesDiscover our shim, a premium OEM replacement part specifically designed to ensure optimal performance in MAN D engines. With the comparison number 81323120504, this product impresses with precision and durability. This lightweight component weighs just 0.005 kg and helps your machines run smoothly.

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SHIM - 81323120503 suitable for MAN D engines

SHIM - 81323120503 suitable for MAN D engines

Shim with comparison number 81323120503Discover our shim, which is marked with the comparison number 81323120503. This product provides essential support for engines and contributes to optimizing overall performance. As a lightweight component weighing 0.003 kg, it is ideal for use in demanding environments and ensures durability and efficiency.Compatibility: Suitable for MAN D enginesOur shim is suitable for MAN D engines and upholds the highest quality. The OEM replacement part meets the strict standards of the manufacturer, meaning you can rely on its fit and durability. Opt for a replacement part that has been specifically designed for your needs.

Sale price: €5.72Regular price:€6.36(10% saved)
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SHIM - 81323120502 suitable for MAN D engines

SHIM - 81323120502 suitable for MAN D engines

Discover Shim for MAN D EnginesDiscover the shim with the comparison number 81323120502 – a premium product, suitable for MAN D engines. This shim belongs to the article group "washers" and impresses with excellent fit and durability. Weighing only 0.002 kg, this OEM spare part is both lightweight and sturdy, ideal for demanding applications in marine and stationary settings.

Sale price: €4.70Regular price:€5.23(10% saved)
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SHIM - 81323120501 suitable for MAN D engines

SHIM - 81323120501 suitable for MAN D engines

Precise Shim: Reference Number 81323120501Discover the precise shim (reference number: 81323120501), suitable for MAN D engines. This shim plays a key role in enhancing engine performance and reducing vibrations. Weighing only 0.05 kg and crafted with care, this product contributes to the efficiency of your diesel or gas engine.Customized Quality: OEM Replacement PartsOur replacement part, the shim, belongs to the group of "washers" and is recognized as an OEM replacement part. Designed for MAN D engines, this replacement part ensures a perfect fit and excellent durability, essential for marine and stationary applications.

Sale price: €120.43Regular price:€133.81(10% saved)
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SHIM - 81323120500 suitable for MAN D engines

SHIM - 81323120500 suitable for MAN D engines

Shim with Comparison Number 81323120500Discover the shim with the comparison number 81323120500, an essential replacement part specifically designed for engines compatible with MAN D. This shim plays a crucial role in the optimal functioning of your engines and promotes their efficiency and lifespan. Weighing only 0.05 kg, it is user-friendly and can be installed quickly.OEM Replacement Parts in Original Equipment QualityAs an OEM replacement part, the shim offers quality that meets the requirements of original equipment manufacturers. The product provides a perfect fit and excellent performance that you can expect from a reputable supplier like MOPA Motorparts. Rely on our expertise to optimize the maintenance of your engines compatible with MAN D.

Sale price: €21.56Regular price:€23.96(10% saved)
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SHIM - 81323120499 suitable for MAN D engines

SHIM - 81323120499 suitable for MAN D engines

Efficient Shim for Optimal Engine PerformanceDiscover the shim with the comparison number 81323120499, an essential OEM spare part specifically designed for MAN D engines. This shim ensures optimal functionality and stability, which are essential for your engines. Weighing only 0.045 kg, it provides the necessary balance and performance to your machines.

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SHIM - 81323120498 suitable for MAN D engines

SHIM - 81323120498 suitable for MAN D engines

Shim: Comparison Number 81323120498Discover the shim, comparison number 81323120498, specifically designed to meet your requirements as an OEM replacement part. This washer falls under the category of engine replacement parts and is suitable for MAN D engines. Weighing only 0.04 kg, it offers a perfect balance between robustness and lightness to optimally support performance.OEM Replacement Parts for Maximum CompatibilityOur products are OEM replacement parts, directly from the original manufacturer. Unlike aftermarket alternatives that can vary in quality, our replacement parts provide the right fit and functionality. The shim, comparison number 81323120498, is an essential component for anyone who values reliability and durability.

Sale price: €59.79Regular price:€66.43(10% saved)
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SHIM - 81323120497 suitable for MAN D engines

SHIM - 81323120497 suitable for MAN D engines

Precise Shim suitable for MAN D enginesUse the shim with the comparison number 81323120497, a top-quality product specifically developed as an OEM replacement part. This shim is suitable for MAN D engines and impresses with its precise manufacture. Weighing only 0.04 kg, it allows for easy installation and contributes to the optimal performance of your engines.Reliability for enginesAs a suitable OEM replacement part, this shim offers maximum compatibility and quality. Suitable for MAN D engines, it ensures that your machines operate smoothly. Manufacturer-specific standards are adhered to, allowing you to rely on its long-lasting functionality.

Sale price: €105.91Regular price:€117.68(10% saved)
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SHIM - 81323120496 suitable for MAN D engines

SHIM - 81323120496 suitable for MAN D engines

Shim with Comparison Number 81323120496Discover the shim with the comparison number 81323120496, specifically designed for MAN D engines. This product description refers to an essential component that ensures the stability of your engines. Weighing only 0.045 kg, the shim is particularly well-suited for use in demanding applications, typically found in the marine and stationary sectors.

SHIM - 81323120495 suitable for MAN D engines

SHIM - 81323120495 suitable for MAN D engines

Discover the Shim with Comparison Number 81323120495Discover the shim with the comparison number 81323120495, specifically designed to optimize the performance of suitable for MAN D engines. This spare part is an important element in the category of "washers" and offers an ideal solution for your needs. Weighing only 0.04 kg, this product is excellent for demanding applications in marine and stationary use.Ideally suited for MAN D EnginesOur shim is suitable for MAN D engines and is distinguished by its excellent quality. Each spare part undergoes strict controls to ensure the longevity and reliability of your engine system. Rely on parts that support the functionality of your machines.

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SHIM - 81323120494 suitable for MAN D engines

SHIM - 81323120494 suitable for MAN D engines

Shim with Comparison Number 81323120494Discover the shim with the comparison number 81323120494, which is an essential component for your engine spare parts. This precise shim is compatible with MAN D engines and ensures stable operation of your diesel and gas engines. Weighing only 0.05 kg, it integrates effortlessly into existing systems and contributes to performance efficiency.

Sale price: €83.70Regular price:€93.00(10% saved)
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SHIM - 81323120493 suitable for MAN D engines

SHIM - 81323120493 suitable for MAN D engines

Efficient Performance with ShimDiscover the Shim, the OEM spare part with the comparison number 81323120493. This component, made from top-quality material, is essential for the operation of your engines. The Shim provides the necessary precision and functionality that you expect from a premium product. It plays a crucial role in optimizing the performance of engines, making it a valuable addition to your machinery.Optimal Fit for MAN D EnginesThe Shim is specifically designed to fit MAN D engines. Its precise construction ensures that it can be ideally integrated into the existing engine structure. When selecting spare parts, it is important to focus on quality and accuracy. This OEM spare part offers exactly that, ensuring long-lasting performance without compromise.

Sale price: €98.22Regular price:€109.14(10% saved)
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SHIM - 81323120492 suitable for MAN D engines

SHIM - 81323120492 suitable for MAN D engines

Shim compatible with MAN D EnginesDiscover the shim with the comparison number 81323120492, which has been designed specifically for MAN D engines. This product is an indispensable OEM spare part that enhances the efficiency of your engine. Weighing only 0.04 kg, the shim is easy to install and is also durable.

Sale price: €25.83Regular price:€28.70(10% saved)
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SHIM - 81323120491 suitable for MAN D engines

SHIM - 81323120491 suitable for MAN D engines

Effective Shim Suitable for MAN D EnginesDiscover our shim, suitable for MAN D engines, with the comparison number 81323120491. This OEM spare part weighs only 0.04 kg and offers the ideal solution for your engine needs. The high quality standards of this shim ensure smooth operation and optimal performance.Quality of OEM Spare PartsOur shim with the comparison number 81323120491 belongs to the OEM spare parts that stand for maximum reliability and durability. Unlike aftermarket alternatives, the product is sourced from the Equipment Manufacturers, who uphold the highest production standards. Rely on solid knowledge and experience to operate your engine efficiently.

Sale price: €22.42Regular price:€24.91(10% saved)
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PLAIN WASHER - 81323120485 suitable for MAN D engines

PLAIN WASHER - 81323120485 suitable for MAN D engines

Plain washer with comparison number 81323120485 in detailDiscover our premium OEM spare part, the plain washer with the comparison number 81323120485. This product impresses with excellent quality and is suitable for MAN D engines. Weighing only 0.012 kg, this plain washer is lightweight and extremely robust, ideal for use in demanding environments.Reliability for MAN D enginesThe plain washer is an indispensable OEM spare part, compatible with MAN D engines. Rely on the quality we provide as your supplier of engine spare parts. Our range offers you the confidence you need to promote the smooth operation of your engines.

WASHER 40,1X47,6X3,25 - 81323120478 suitable for MAN D engines

WASHER 40,1X47,6X3,25 - 81323120478 suitable for MAN D engines

Excellent Product for Your Engine MaintenanceDiscover the Washer 40,1x47,6x3,25, an indispensable OEM spare part that perfectly fits your MAN D engines. With the comparison number 81323120478, you secure a precise component that meets the requirements of your engines.Suitable for MAN D EnginesThis washer is specifically designed to be suitable for MAN D engines, offering the necessary stability and accuracy essential for effective maintenance. Rely on our selection of OEM spare parts to operate your engines reliably.

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SHIM - 81323120477 suitable for MAN D engines

SHIM - 81323120477 suitable for MAN D engines

Precise Shim – the optimal productThe shim with the comparison number 81323120477 is an indispensable spare part specifically designed for use in outstanding engines. This product belongs to the category of washers and is intended to maximize the performance of your machines. The careful processing ensures optimal function and reliability.Light and stable – suitable for MAN D enginesWeighing only 0.001 kg, this spare part offers an ideal combination of lightness and strength. It is manufactured to fit MAN D engines and contributes significantly to stability and efficiency. Trust this shim to extend the lifespan of your engines and ensure their operation.

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WASHER 4,0 MM - 81323120473 suitable for MAN D engines

WASHER 4,0 MM - 81323120473 suitable for MAN D engines

Powerful Spare Part for Your MachinesDiscover our Washer 4.0 mm, which carries the reference number 81323120473. This product is compatible with MAN D engines and ensures a precise fit. Weighing only 0.12 kg, it offers the perfect balance between lightness and stability.Efficient Solution Compatible with MAN D EnginesOur OEM spare parts meet the highest standards and provide reliability in demanding applications. The spare part compatible with MAN D engines ensures that your engine operates efficiently and remains operational in the long term.

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SHIM - 81323120467 suitable for MAN D engines

SHIM - 81323120467 suitable for MAN D engines

Shim: Ideal for MAN D enginesDiscover the shim with the comparison number 81323120467, which offers an outstanding solution for your requirements. This OEM spare part is suitable for MAN D engines and ensures excellent fit and functionality. Weighing only 0.005 kg, the shim is lightweight and is perfect for various applications in the field of engines.Optimal performance through vibration reductionThis product plays a central role in engine operation by effectively minimizing vibrations, thereby improving performance. The shim is part of our comprehensive selection of OEM spare parts, which comes from over 25 years of experience in the industry. Rely on products that combine quality and durability.

Sale price: €65.77Regular price:€73.07(10% saved)
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SHIM - 81323120466 suitable for MAN D engines

SHIM - 81323120466 suitable for MAN D engines

Shim with Comparison Number 81323120466The shim with the comparison number 81323120466 is an important OEM spare part specifically designed for engines compatible with MAN D. Weighing only 0.008 kg, this shim offers an optimal combination of lightness and stability. It promotes excellent engine performance and longevity in marine and stationary applications.Perfect Fit and Function with OEM QualityThis shim belongs to the category of washers and is developed as an OEM spare part, ensuring precise fit and functionality. By using top-quality materials, the shim meets all the requirements placed on engines compatible with MAN D engines.

Sale price: €10.97Regular price:€12.19(10% saved)
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SHIM - 81323120464 suitable for MAN D engines

SHIM - 81323120464 suitable for MAN D engines

Shim for Reliable EnginesDiscover our OEM replacement part, the shim with the comparison number 81323120464. This product is specifically designed and suitable for MAN D engines. Weighing only 0.01 kg, this shim provides a reliable solution for the efficient operation of your engines. Trust in the quality that comes with OEM replacement parts.

Sale price: €19.73Regular price:€21.92(10% saved)
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PLAIN WASHER - 81323120457 suitable for MAN D engines

PLAIN WASHER - 81323120457 suitable for MAN D engines

Efficient Plain Washer with Comparison Number 81323120457Discover the plain washer with comparison number 81323120457, an essential product that offers excellent performance for your engine applications. Weighing only 0.2 kg, this OEM replacement part is optimally designed to meet the demands of engines and ensure long-term reliability.Precise Solutions Suitable for MAN D EnginesThis plain washer is suitable for MAN D engines and impresses with its outstanding quality. Developed as an OEM replacement part, it provides optimal fit and functionality. Rely on the durability that our products offer – perfect for marine and stationary applications.

Sale price: €56.80Regular price:€63.12(10% saved)
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WASHER 126X144,4X2-C45GBK - 81323120455 suitable for MAN D engines

WASHER 126X144,4X2-C45GBK - 81323120455 suitable for MAN D engines

Quality of OEM Replacement Parts for MAN D EnginesDiscover our OEM replacement part, the Washer 126x144,4x2-c45gbk, suitable for MAN D engines. This component with the comparison number 81323120455 ensures a perfect fit and optimal functionality. Weighing only 0.06 kg, this product impresses with its robustness and durability, meeting the highest standards for your engine.

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WASHER 126X144,4X1,9-C45GBK - 81323120454 suitable for MAN D engines

WASHER 126X144,4X1,9-C45GBK - 81323120454 suitable for MAN D engines

Technical Details of the WasherDiscover the Washer 126x144,4x1,9-c45gbk with the reference number 81323120454. This product has been manufactured with the highest precision and is suitable for MAN D engines. Weighing only 0.05 kg, it is both lightweight and robust, ideal for intensive applications.

Sale price: €101.64Regular price:€112.93(10% saved)
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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.

Engine washer for industrial and marine engines – suitable for MTU, Deutz, MAN, Volvo Penta and MWM – replacement parts

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.

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