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 70,2X90X0,6-CK60 - 81323120171 suitable for MAN D engines
Precise Product: Shim ring with comparison number 81323120171 Discover our product, the shim ring with the comparison number 81323120171. This OEM replacement part has been specifically manufactured to ensure a perfect fit and highest functionality. Weighing only 0.01 kg, the shim ring is ideally suited for engines used in demanding applications, including those compatible with MAN D.
PLAIN WASHER - 81323120155 suitable for MAN D engines
Plain washer suitable for MAN D enginesDiscover the plain washer with the comparison number 81323120155, an essential OEM spare part that can be perfectly integrated into your applications. This plain washer is specifically suitable for MAN D engines and ideal for marine and stationary use. Weighing only 0.31 kg, it offers optimal functionality for your needs.
WASHER 68X74X3-CK45 - 81323120154 suitable for MAN D engines
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PLAIN WASHER - 81323120153 suitable for MAN D engines
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SHIM - 81323120144 suitable for MAN D engines
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SHIM - 81323120143 suitable for MAN D engines
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SHIM - 81323120142 suitable for MAN D engines
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WASHER 50,9X72X3,3-C35U - 81323120138 suitable for MAN D engines
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PLAIN WASHER - 81320506110 suitable for MAN D engines
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PLAIN WASHER - 81320500436 suitable for MAN D engines
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PLAIN WASHER - 81320500229 suitable for MAN D engines
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SPACER RING - 81301205000 suitable for MAN D engines
Quality Features of the Spacer RingDiscover the spacer ring equipped with the comparison number 81301205000, which is ideally suited for your needs. This part belongs to the group of "washers" and provides the necessary durability and stability required for use in various engines.
SPACER RING - 81301200057 suitable for MAN D engines
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SPACER RING - 81301200055 suitable for MAN D engines
Precision Spacer Ring for Your EnginesDiscover our spacer ring with the comparison number 81301200055, an OEM replacement part specifically designed for diesel and gas engines. This spacer ring belongs to the group of washers and ensures that your engines operate smoothly.
SPACER RING - 81301200054 suitable for MAN D engines
Recommended OEM Spare Part: Spacer Ring for EnginesDiscover our product, the spacer ring with the comparison number 81301200054. This OEM spare part belongs to the group of washers and is suitable for MAN D engines. It offers you the best performance and durability for your engines, ensuring optimal functionality.
SPACER RING - 81301200053 suitable for MAN D engines
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SPACER RING - 81301200052 suitable for MAN D engines
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SPACER RING - 81301200051 suitable for MAN D engines
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SPACER RING - 81301200045 suitable for MAN D engines
### Product Description: Spacer Ring - Comparison Number 81301200045Compatibility for MAN D Engines Discover our spacer ring, an essential OEM spare part designed to ensure a precise fit for MAN D engines. With the comparison number 81301200045, we offer you the highest quality and reliability. This product impresses with its precise manufacturing that only OEM spare parts can provide.Robustness and Durability of the Spacer Ring The spacer ring weighs 11.3 kg, making it optimal for demanding operating conditions in marine and stationary applications. The material ensures that the component remains stable for MAN D engines even under extreme conditions. Trust in the quality of a proven product!
SPACER RING - 81301200029 suitable for MAN D engines
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SPACER RING - 81301200015 suitable for MAN D engines
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SPACER RING - 81271520011 suitable for MAN D engines
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INSULATING WASHER - 81262330009 suitable for MAN D engines
Insulating washer 81262330009 – Optimal replacement part for enginesDiscover the insulating washer with the comparison number 81262330009, an excellent OEM replacement part specifically designed for the requirements of engines. Weighing only 0.009 kg, this insulating washer offers an ideal solution to support the efficiency of your machines.Compelling features – Comparison number 81262330009The insulating washer 81262330009 is suitable for MAN D engines and offers high performance and durability. As an OEM replacement part, it ensures precision and reliability that meet the high standards of the manufacturer. Rely on this insulating washer to enhance the efficiency of your engines and avoid unwanted failures.
INSULATING WASHER - 81262330003 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.