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.
SHIM RING - 04395333 suitable for MWM & Deutz engines
Shim ring for professional engine use Discover our shim ring with the comparison number 04395333, an essential OEM replacement part categorized under washers. The shim ring is optimally suitable for engines that fit MWM & Deutz, ensuring reliable functionality. Our products are precisely tailored to the specific requirements of these renowned manufacturers.Quality that convinces This shim ring is applicable for MWM & Deutz engines and ensures that your engines operate smoothly. As a provider of OEM replacement parts, we at MOPA Motorparts offer items that meet all industrial standards and support your projects.
WASHER - 04440592 suitable for MWM & Deutz engines
Washer Suitable for MWM & Deutz EnginesThe washer with the comparison number 04440592 is an essential OEM spare part specifically designed for your needs. This product offers the highest quality and reliability and is thus optimally suited for your requirements. Given its origin as an OEM spare part, you can trust in its excellent performance.Strong Performance for Your MachinesThis washer ensures better connection and stability of your replacement components, particularly in MWM & Deutz engines. The use of this washer secures the performance of your equipment, which is utilized in marine and stationary applications. Rely on our expertise and the quality of our products!
LOCK WASHER - 04427562 suitable for MWM & Deutz engines
Reliable Lock Washer for Various ApplicationsDiscover our premium product, the lock washer with the comparison number 04427562. This OEM spare part impresses with its precise manufacturing and quality. It meets the requirements for engines and provides a reliable solution for your technical challenges.Ideal Fit for MWM & Deutz EnginesThe lock washer is perfectly suitable for MWM & Deutz engines. The product with the comparison number 04427562 is an OEM spare part designed for demanding applications in the marine and stationary sectors.
TOOTH LOCK WASHER - 04408114 suitable for MWM & Deutz engines
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LOCK WASHER - 04406040 suitable for MWM & Deutz engines
Lock washer - Comparison number 04406040Discover our lock washer, comparison number 04406040. This product is an outstanding OEM spare part that offers optimal performance and durability for your applications. The lock washer is specifically designed to meet the rigorous demands of heavy machinery.Precise fit for MWM & Deutz enginesOur lock washer is suitable for MWM & Deutz engines and ensures the reliable function of your equipment. With this quality, you create the best conditions for efficient use of your machines. Rely on the product quality that our customers have appreciated for over 25 years.
LOCK WASHER - 04406149 suitable for MWM & Deutz engines
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SHIM - 04424403 suitable for MWM & Deutz engines
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PLAIN WASHER - 04428474 suitable for MWM & Deutz engines
Plain washer with comparison number 04428474Discover the plain washer with the comparison number 04428474, a premium OEM spare part for your MWM & Deutz engines. This product represents the highest quality and durability, ideally suited for your use in marine and stationary engines.
SHIM RING - 04417117 suitable for MWM & Deutz engines
Precise Replacement: Comparison Number 04417117 Discover our shim ring with the comparison number 04417117. This product offers outstanding features and represents a quality-conscious replacement part that is essential for reliable engine performance.Ideal: Suitable for MWM & Deutz Engines The replacement part is suitable for MWM & Deutz engines and impresses with its excellent fit. Trust our replacement parts that meet the highest standards.
WASHER - 04404346 suitable for MWM & Deutz engines
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SHIM RING - 04401874 suitable for MWM & Deutz engines
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PLAIN WASHER - 04417062 suitable for MWM & Deutz engines
Premium Product Description: Plain Washer for EnginesDiscover our OEM spare part, the plain washer with the comparison number 04417062, specially designed for high demands in your engine applications. This product stands out for its precision and reliability, suitable for MWM & Deutz engines. Trust in the outstanding quality and longevity of our spare part.Reliable Quality: Comparison Number 04417062With the comparison number 04417062, this plain washer is the ideal component that meets your requirements. The suitability for MWM & Deutz engines ensures optimal performance in every application, whether in maritime or stationary use. Quality is of utmost importance – all OEM spare parts undergo comprehensive internal controls to meet the highest standards.
PLAIN WASHER - 04442987 suitable for MWM & Deutz engines
Plain washer suitable for MWM & Deutz enginesDiscover the plain washer with the comparison number 04442987, an OEM spare part specifically designed for use in MWM & Deutz engines. This product ensures high efficiency and reliability that you can expect from an OEM spare part.Products from OEM manufacturersOur spare parts are suitable for MWM & Deutz engines and are characterized by excellent quality. Compared to aftermarket solutions, our OEM spare parts offer a precise fit and long lifespan.
PLAIN WASHER - 04417087 suitable for MWM & Deutz engines
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PLAIN WASHER - 04415929 suitable for MWM & Deutz engines
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PLAIN WASHER - 04443432 suitable for MWM & Deutz engines
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PLAIN WASHER - 04424426 suitable for MWM & Deutz engines
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SHIM - 04416510 suitable for MWM & Deutz engines
Excellent Shim – Comparison Number 04416510Our shim with the comparison number 04416510 is the ideal product to optimize the efficiency of your engines. This OEM spare part ensures an optimal fit and functionality that your machines require.OEM Spare Parts for Reliable PerformanceThis spare part is suitable for MWM & Deutz and belongs to the category of OEM spare parts that meet the highest standards. You can be assured that your engines will always operate effectively and robustly.
PLAIN WASHER - 04417103 suitable for MWM & Deutz engines
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PLAIN WASHER - 04442163 suitable for MWM & Deutz engines
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PLAIN WASHER - 04394151 suitable for MWM & Deutz engines
Plain Washer suitable for MWM & Deutz Engines Discover the plain washer with the comparison number 04394151 – a custom OEM replacement part, suitable for MWM & Deutz engines. This product offers not only excellent quality but also ensures optimal performance of your engines. Rely on the comparison number 04394151 to achieve the highest efficiency.
WASHER - 04404340 suitable for MWM & Deutz engines
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SHIM - 04417283 suitable for MWM & Deutz engines
Shim for Special Engine Specifications The shim with the comparison number 04417283 is a crucial OEM spare part that ensures optimal performance for your machines. This product is suitable for MWM & Deutz engines and combines excellent craftsmanship with certified original equipment manufacturer quality.
PLAIN WASHER - 04417059 suitable for MWM & Deutz 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.