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.
WASHER 126X144,4X1,8-C45GBK - 81323120453 suitable for MAN D engines
Washer 126x144,4x1,8-c45gbk for Your EngineDiscover the washer 126x144,4x1,8-c45gbk, designed to help optimize the performance of your engines. With the reference number 81323120453, this OEM replacement part is specifically developed to meet the highest standards.Product Details for Reference Number 81323120453The washer weighs only 0.05 kg and ensures a precise fit. This product is suitable for MAN D engines and meets your requirements for quality and durability.
WASHER 126X144,4X1,7-C45GBK - 81323120452 suitable for MAN D engines
Precise Washer for Efficient EnginesExperience the powerful Washer 126x144,4x1,7-c45gbk, compatible with MAN D engines. This component has been carefully crafted to ensure optimal functionality for your engines. The comparison number 81323120452 verifies that you select the correct OEM spare part.Quality from a Single SourceOur OEM spare parts are known for their outstanding quality. Weighing only 0.05 kg, the Washer 126x144,4x1,7-c45gbk is ideal for your requirements. Rely on this product, designed to meet the specific needs of engines in marine and stationary applications.
WASHER 126X144,4X1,6-C45GBK - 81323120451 suitable for MAN D engines
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WASHER 126X144,4X1,5-C45GBK - 81323120450 suitable for MAN D engines
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WASHER 126X144,4X1,4-C45GBK - 81323120449 suitable for MAN D engines
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WASHER 126X144,4X1,3-C45GBK - 81323120448 suitable for MAN D engines
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WASHER 126X144,4X1,2-C45GBK - 81323120447 suitable for MAN D engines
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WASHER 126X144,4X1-C45GBK - 81323120445 suitable for MAN D engines
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PLAIN WASHER - 81323120433 suitable for MAN D engines
Excellent Plain Washer Suitable for MAN D EnginesDiscover our plain washer with the comparison number 81323120433 – an indispensable OEM spare part designed to provide top performance and reliability. This plain washer belongs to the article group of washers and is ideally suited for various applications in marine and stationary engines. Weighing only 0.001 kg, it is lightweight yet robust, making it perfect for use in demanding environments.High-Quality OEM Spare PartsOur product is suitable for MAN D engines and meets high standards for quality and performance. As a provider of OEM spare parts, we ensure that only the best materials are used to secure the longevity of your engine. Trust in the expertise of MOPA Motorparts to optimally protect your equipment.
WASHER 80X93X2,2-C45GBK - 81323120432 suitable for MAN D engines
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WASHER 80X93X2,4-C45GBK - 81323120431 suitable for MAN D engines
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WASHER 18,7X43X0,7-ST1K50 - 81323120430 suitable for MAN D engines
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WASHER 18,7X43X0,8-ST1K50 - 81323120429 suitable for MAN D engines
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WASHER 18,7X43X0,9-ST1K50 - 81323120428 suitable for MAN D engines
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WASHER 18,7X43X1-ST1K50 - 81323120427 suitable for MAN D engines
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WASHER 18,7X43X1,1-ST1K50 - 81323120426 suitable for MAN D engines
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WASHER 18,7X43X1,2-ST1K50 - 81323120425 suitable for MAN D engines
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WASHER 18,7X43X1,3-ST1K50 - 81323120424 suitable for MAN D engines
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WASHER 18,7X43X1,6-ST1K50 - 81323120421 suitable for MAN D engines
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WASHER 18,7X43X1,8-ST1K50 - 81323120419 suitable for MAN D engines
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WASHER 18,7X43X1,9-ST1K50 - 81323120418 suitable for MAN D engines
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SHIM - 81323120415 suitable for MAN D engines
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WASHER 70,2X100X1-16MNCR5 - 81323120413 suitable for MAN D engines
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WASHER 70,2X100X1,2-16MNCR5 - 81323120412 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.