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.
SPACER RING - 81381150023 suitable for MAN D engines
Premium OEM Replacement Part – Spacer RingDiscover the spacer ring with the reference number 81381150023 – an essential replacement part for engines in demanding applications. The spacer ring impresses with excellent fit and durability, making it ideal for your engines. With a weight of only 0.018 kg, it remains light and efficient to handle.Optimal for MAN D EnginesThis spacer ring is compatible with MAN D engines and ensures optimal performance. Designed as an OEM replacement part, it meets the high standards required for this series. The reference number 81381150023 ensures that you receive a product of the highest quality specifically designed for your needs.
PLAIN WASHER - 81374110006 suitable for MAN D engines
OEM Replacement Part for MAN D EnginesDiscover our product, the plain washer with the comparison number 81374110006, specifically designed to function optimally in MAN D engines. Our OEM replacement parts provide you with the reliability and performance you expect from high-quality products.
INSIDE RING - 81372610000 suitable for MAN D engines
Inside ring replacement part with reference number 81372610000Discover our inside ring replacement part with the reference number 81372610000, suitable for MAN D engines. This product belongs to the group of washers and meets the requirements of diesel and gas engines in marine and stationary applications. Weighing 0.34 kg, it combines robustness with efficient performance.Precision through OEM replacement partsOur inside ring is an OEM replacement part that offers the highest precision. Each component is manufactured under strict internal controls to ensure that it meets the high quality standards required for engines. Rely on the quality that only OEM replacement parts can provide.
INSIDE RING - 81372600008 suitable for MAN D engines
OEM Replacement Part: Inside Ring for MAN D EnginesDiscover our OEM replacement part, the Inside Ring with the comparison number 81372600008. This product is compatible with MAN D engines and offers the highest quality as well as excellent fit. Trust in the reliability that only a manufacturer can provide.Extensive Range for EnginesWith over 1 million replacement parts in our inventory, we are your reliable provider when it comes to engines. Our Inside Ring, suitable for various MAN D engines, is an example of the quality you can expect from us. Every product is selected with the utmost care.
INSIDE RING - 81372600007 suitable for MAN D engines
Premium Quality for Your MachinesDiscover our product, the Inside ring with the comparison number 81372600007, suitable for MAN D engines. This OEM spare part is a crucial component for the performance and reliability of your machines. Weighing 0.45 kg, the Inside ring provides the stability and durability you need to work consistently in demanding applications such as marine and stationary use.
INSIDE RING - 81372600006 suitable for MAN D engines
Discover the Inside Ring under Comparison Number 81372600006Discover our high-performance product, the Inside Ring, which is listed under the comparison number 81372600006. This Inside Ring belongs to the product group of Washers and weighs 0.6 kg, promising excellent stability and durability. This spare part is compatible with MAN D engines and meets the highest quality standards.OEM Spare Parts for Your EnginesWe exclusively offer OEM spare parts that stand out due to their excellent craftsmanship and quality. The Inside Ring is designed to fit MAN D engines and ensures seamless integration into existing systems. Rely on our many years of experience in providing engine spare parts to optimize the performance of your machines.
INSIDE RING - 81372600005 suitable for MAN D engines
Inside Ring – An Important ComponentDiscover the Inside Ring with the comparison number 81372600005, a top-notch product characterized by precise workmanship. This OEM spare part belongs to the group of Washers and offers you the best quality. Suitable for MAN D engines, the Inside Ring is the perfect choice for your operating and maintenance needs.Ensuring Performance for Your EnginesThe Inside Ring, weighing 0.22 kg, ensures smooth operation of your engines. The comparison number 81372600005 represents the highest standards, as it is an OEM spare part. Compatible with MAN D engines, this Inside Ring ensures that your machinery operates excellently in every situation.
INSIDE RING - 81372600000 suitable for MAN D engines
Reliable Spare Part: Inside RingDiscover our robust product, the Inside Ring with the comparison number 81372600000, suitable for MAN D engines. This OEM spare part is an important component in the article group "Washers" and ensures optimal functioning of your diesel and gas engines. With a weight of only 0.274 kg, the Inside Ring can be easily integrated and enhances the efficiency of your engines.Spare Parts for MAN D EnginesThe spare part meets high standards and provides you with the necessary reliability for use in your systems. Our OEM spare parts are known for their durability and performance. Rely on quality specifically developed for MAN D engines to improve the lifespan of your machines.
PLAIN WASHER - 81372050025 suitable for MAN D engines
Quality of the Plain Washer – Comparison Number 81372050025Discover the plain washer with the comparison number 81372050025, an OEM spare part specifically designed for various applications. Weighing only 0.03 kg, this product is ideal for numerous usage areas in maritime and stationary environments. The plain washer ensures reliable performance for your machines.Suitable for MAN D EnginesThe OEM spare part is excellently designed to harmonize with MAN D engines. This component is suitable for smooth operation, with its robustness and longevity being critical. Rely on this quality product to optimize the performance of your MAN D engines.
WASHER 54,6X70X6-100CR6 - 81372050015 suitable for MAN D engines
Robust Washer for Your ApplicationsThe Washer 54,6x70x6-100Cr6 with the comparison number 81372050015 is an indispensable component that meets the highest standards. With a diameter of 54.6 mm and a thickness of 6 mm, this washer offers optimal performance and durability, making it ideal for demanding applications in engines.
PLAIN WASHER - 81371100021 suitable for MAN D engines
Plain washer suitable for MAN D enginesDiscover the plain washer with the comparison number 81371100021, specifically designed to optimally support your engines. This OEM spare part fits MAN D engines and offers perfect functionality. Rely on quality that has been valued by MOPA Motorparts for over 25 years.
WASHER 4,0 - 81371100020 suitable for MAN D engines
High-Performance OEM Replacement Part: Washer 4,0Discover the OEM replacement part, the Washer 4,0, with the comparison number 81371100020. This product is suitable for MAN D engines and ensures reliable functionality. Weighing only 0.33 kg, this replacement part is an essential component for your machinery.Quality through Strict Internal ControlsOur replacement parts, including the Washer 4,0, are subject to strict internal controls to ensure they meet the highest standards. This ensures that all products are reliable and durable. Trust our expertise in providing OEM replacement parts for marine and stationary applications.
WASHER 3,9 - 81371100019 suitable for MAN D engines
High-Quality OEM Replacement Part for MAN D EnginesDiscover the Washer 3.9, a custom OEM replacement part that is marked with the reference number 81371100019. This product weighs 0.32 kg and is designed to fit MAN D engines, ensuring excellent performance and stability.
WASHER 3,8 - 81371100018 suitable for MAN D engines
Excellent Washer 3.8 for MAN D EnginesDiscover the Washer 3.8 with the comparison number 81371100018, which serves as a suitable replacement part for your MAN D Engines. Weighing just 0.31 kg, this product impresses with its excellent fit, which is essential for smooth operation.Reliable Replacement PartsOur replacement parts are specially designed to optimize the performance of your engines. The comparison number 81371100018 ensures that you receive a quality product that harmonizes perfectly with MAN D Engines. Rely on our years of experience in the field of engine parts and see for yourself!
WASHER 3,7 - 81371100017 suitable for MAN D engines
Excellent Spare Part for MAN D EnginesDiscover the innovative product Washer 3.7, which is perfectly suited for MAN D Engines. With the comparison number 81371100017, this OEM spare part offers excellent fit and reliability. Weighing 0.31 kg, it is an ideal solution for diesel and gas engines in marine and stationary applications.Maximum Efficiency through OEM Spare PartsThe Washer 3.7 represents outstanding quality, suitable for various engines. The OEM spare part, with comparison number 81371100017, ensures durability and high performance, allowing you to rely on the functionality of your machines. Trust in the product specifically developed for MAN D engines.
WASHER 3,6 - 81371100016 suitable for MAN D engines
Excellent OEM Replacement Part for High DemandsDiscover the Washer 3.6 (comparison number: 81371100016), an OEM replacement part specifically designed for MAN D engines. Weighing only 0.3 kg, this product is an excellent choice to maintain the optimal performance of your engines and extend their lifespan.Robust Quality for MAN D EnginesThe Washer 3.6 offers an excellent fit, compatible with MAN D, ensuring reliable functionality in demanding applications. Rely on our years of experience with OEM replacement parts to secure the best products for your engines.
WASHER 3,5 - 81371100015 suitable for MAN D engines
Quality for Engines and Their PerformanceDiscover the Washer 3,5 (Comparison number: 81371100015) – a reliable OEM spare part that is ideally suited for the performance of your compatible with MAN D engines. Weighing 0.29 kg, this component is perfect for ensuring smooth functionality in diesel and gas engines.A Durable OEM Spare Part for Your NeedsThis product is compatible with MAN D engines and represents reliability. As a second-generation family business, we offer over 1 million OEM spare parts in our range to meet all your requirements.
WASHER 2,2 - 81371100014 suitable for MAN D engines
Washer 2,2 with Comparison Number 81371100014Discover our Washer 2,2, listed under the comparison number 81371100014. This OEM spare part is essential for the performance of your engines. Weighing only 0.18 kg, the Washer 2,2 provides an optimal solution for applications in various fields, particularly in marine and stationary technology.Suitable for MAN D EnginesThe Washer 2,2 has been designed to be compatible with MAN D engines. OEM spare parts ensure the highest quality and durability, which is crucial for the efficiency of your machinery. By using this specific product, you ensure that your engines operate optimally and their lifespan is extended.
WASHER 2,5 - 81371100013 suitable for MAN D engines
Efficient Washer 2.5 with Reference Number 81371100013Discover our OEM replacement part, the Washer 2.5, with the reference number 81371100013. This component is ideally suited to optimize the functionality of MAN D engines. Weighing only 0.2 kg, the product is easy to handle and ensures reliable engine performance.
WASHER 2,4 - 81371100012 suitable for MAN D engines
Clear Spare Part for MAN D Engines Discover our product, the Washer 2.4, suitable for MAN D engines. With the comparison number 81371100012, this is an OEM spare part that meets the highest standards. This lightweight component contributes to reliable engine performance and is ideal for demanding marine and stationary applications.Efficiency and Quality Combined The Washer 2.4, comparison number 81371100012, is the perfect choice for your MAN D engines. As an OEM spare part, it provides the necessary precision and durability that you expect from products of original equipment manufacturer quality. Minimize downtime with a spare part specifically designed for your requirements.
WASHER 2,3 - 81371100011 suitable for MAN D engines
Discover the Washer 2.3 for Your ApplicationsDiscover the Washer 2.3 with the reference number 81371100011, suitable for MAN D engines. This OEM replacement part offers excellent quality and reliability, specifically designed for use in diesel and gas engines. Weighing just 0.19 kg, the washer integrates effortlessly.Reliable OEM Replacement Parts for EnginesAs a provider of OEM replacement parts, we offer a range of over 1 million items that ensure safety and reliability for your applications. Our products are compatible with various manufacturers, including MWM, Mercedes-Benz, Deutz, and Volvo.
WASHER 3,4 - 81371100010 suitable for MAN D engines
Attractive Washer 3.4 – Discover OEM Replacement PartsDiscover the washer 3.4 with the comparison number 81371100010, an essential OEM replacement part specifically designed to support engines powerfully. Weighing only 0.28 kg, this product offers the ideal solution for businesses that rely on quality and reliability.Washer Suitable for MAN D Engines: Optimal OperationThis OEM replacement part ensures that your engines operate efficiently. The washer 3.4 is suitable for MAN D engines and provides a precise fit, securing the functionality of your systems. This quality is crucial for any industry that operates diesel or gas engines.
WASHER 3,3 - 81371100009 suitable for MAN D engines
Robust Washer 3.3 for Your Engine RequirementsDiscover the Washer 3.3, an OEM replacement part with the comparison number 81371100009. This product weighs only 0.27 kg and is optimally suited for MAN D engines. Rely on this precise component to ensure reliable performance in your applications.
WASHER 3,2 - 81371100008 suitable for MAN D engines
Washer 3,2 compatible with MAN D engines in detailThe Washer 3,2 is an essential replacement part specifically designed for MAN D engines. With the comparison number 81371100008, it stands for the highest precision and quality. This lightweight product weighs only 0.26 kg and can be easily installed.Precise parts for optimal performanceOur Washer 3,2 meets the highest standards and ensures that your engines operate smoothly. The comparison number 81371100008 signifies premium quality that you can expect from a replacement part. Take advantage of its benefits and ensure efficiency in your application.
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.