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Machine springs – precision components for mechanical systems

Machine springs are critical components in mechanical and engine systems. They store, release or balance mechanical energy and are essential in applications ranging from automotive engines to industrial machinery and marine equipment. Whether as a pressure spring or a technical spring for dynamic loads, high-quality machine springs help maintain system reliability and performance stability.

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SPRING - 4005S86180/1 suitable for MTU engines

SPRING - 4005S86180/1 suitable for MTU engines

Robust OEM Replacement Part: Spring 4005S86180/1The comparison number 4005S86180/1 represents a spring that has been specially developed as an OEM replacement part. This product offers optimal performance and durability, making it a proven choice for use with MTU engines.

Sale price: €151.09Regular price:€167.88(10% saved)
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SPRING - 4005R16020/1 suitable for MTU engines

SPRING - 4005R16020/1 suitable for MTU engines

Reliable Product for MTU EnginesDiscover our Spring, the OEM replacement part with the comparison number 4005R16020/1, suitable for MTU engines. This reliable product impresses with its excellent features and will keep your engines in perfect working condition.

SPRING - 4005R16019/1 suitable for MTU engines

SPRING - 4005R16019/1 suitable for MTU engines

Trust in Our OEM Spare Parts Discover our OEM spare part Spring with the comparison number 4005R16019/1. This product is suitable for MTU engines and offers the highest reliability and excellent performance. The product category includes Pumps, parts and accessories, ideal for professional use.

COMPRESSION SPRING - 4002S80002/1 suitable for MTU engines

COMPRESSION SPRING - 4002S80002/1 suitable for MTU engines

OEM Compression Spring for Reliable Engine PerformanceOur compression spring (comparison number: 4002S80002/1) is a top-quality OEM replacement part designed to ensure efficient performance. This product is suitable for MTU engines and supports long-lasting functionality that is essential for operations.

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SPRING - 3888128 suitable for Volvo/Volvo Penta engines

SPRING - 3888128 suitable for Volvo/Volvo Penta engines

Optimal Solution for Your Engine NeedsThe spring with the comparison number 3888128 is an essential OEM replacement part designed specifically to support the efficiency of your engines. Weighing only 0.01 kg, it allows for easy installation and ensures that everything runs smoothly. This product is designed to fit perfectly for your Volvo/Volvo Penta engines and their requirements.Quality and Reliability of OEM Replacement PartsOur OEM replacement parts stand for high standards in performance and adaptability. The comparison number 3888128 refers to this special spring, which is ideally suited for Volvo/Volvo Penta engines. You can rely on the longevity that comes with every product sourced directly from the OEM. It is ensured that the parts can be seamlessly integrated into your systems and meet all necessary technical requirements.

Sale price: €73.39Regular price:€81.55(10% saved)
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SPRING - 3887084 suitable for Volvo/Volvo Penta engines

SPRING - 3887084 suitable for Volvo/Volvo Penta engines

Efficient Spring for Optimal Engine PerformanceThe spring with the comparison number 3887084 is an excellent OEM spare part specifically designed to fit Volvo/Volvo Penta engines. Weighing only 0.004 kg, this well-thought-out product ensures that your engine operates efficiently even under challenging conditions.

Sale price: €23.67Regular price:€26.30(10% saved)
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SPRING - 3886102 suitable for Volvo/Volvo Penta engines

SPRING - 3886102 suitable for Volvo/Volvo Penta engines

Efficient Spring with Comparison Number 3886102Discover the versatile Spring with the comparison number 3886102, which is perfectly suitable for your Volvo/Volvo Penta engines. This high-quality OEM spare part ensures easy integration into your engine operating system. Weighing only 0.024 kg, this product is both lightweight and durable.Optimal Fit: Suitable for ManufacturersThis Spring belongs to the article group "Other" and is suitable for Volvo/Volvo Penta engines. At MOPA Motorparts, we offer a wide range of over 1 million spare parts, so you can be sure to find the ideal product for your applications. Our comparison number 3886102 stands for top-notch engine parts that meet your requirements.

Sale price: €28.97Regular price:€32.19(10% saved)
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TENSION SPRING - 3884534 suitable for Volvo/Volvo Penta engines

TENSION SPRING - 3884534 suitable for Volvo/Volvo Penta engines

Essential Tension Spring for Powerful EnginesDiscover the tension spring with the comparison number 3884534, which is ideal for various applications. This OEM replacement part is essential for the smooth operation of your engines. Weighing only 0.005 kg, this product impresses with its lightweight yet durable construction, providing you with reliability in its use.Suitable for Volvo/Volvo Penta EnginesThe tension spring is suitable for Volvo/Volvo Penta engines and is specifically designed to meet their technical requirements. Our replacement parts meet the highest standards of original equipment quality. Through intensive internal controls, we ensure that each part meets the high demands of a professional workshop, allowing your engines to remain efficient at all times.

Sale price: €10.65Regular price:€11.83(10% saved)
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SPRING - 3883921 suitable for Volvo/Volvo Penta engines

SPRING - 3883921 suitable for Volvo/Volvo Penta engines

Precise OEM Spare Part: Comparison Number 3883921Discover the quality-oriented product, the spring with the comparison number 3883921. This OEM spare part is specifically designed for use in engines that must meet the highest requirements. Weighing only 0.013 kg, this robust component ensures that your exhaust system operates efficiently and offers durability.Flexible Solutions: Suitable for Volvo/Volvo Penta EnginesThe spring is suitable for Volvo and Volvo Penta engines, complementing a variety of applications in marine and stationary engine technology. Rely on the fit of our product, which once again demonstrates that professional engine components deserve your trust.

Sale price: €45.28Regular price:€50.31(10% saved)
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VALVE SPRING - 3861335 suitable for Volvo/Volvo Penta engines

VALVE SPRING - 3861335 suitable for Volvo/Volvo Penta engines

Precise Valve Spring for Reliable EnginesDiscover the valve spring with the reference number 3861335, specially designed for engines. This precisely manufactured spring meets the highest standards and ensures that your equipment functions reliably in both marine and stationary applications. Weighing only 0.084 kg, this valve spring is practical without compromising on performance.OEM Spare Parts Suitable for Volvo/Volvo Penta EnginesThis valve spring is suitable for Volvo/Volvo Penta engines, allowing you to maintain the efficiency of your machines. In addition to the perfect fit, you benefit from the quality of OEM spare parts that ensure optimal machine performance. Every OEM spare part we offer meets the strict industry requirements, ensuring durable operating conditions.

Sale price: €37.73Regular price:€41.93(10% saved)
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SPRING - 3859931501 suitable for MTU engines

SPRING - 3859931501 suitable for MTU engines

Comparison Number 3859931501 and Its SignificanceThe comparison number 3859931501 refers to our premium product, a Spring, which is essential for the functionality of engines. As an OEM replacement part, this product offers outstanding features for optimal performance.Suitable for MTU EnginesThis Spring is specifically designed to be compatible with MTU engines. By choosing this OEM replacement part, you are making an excellent choice to maximize the efficiency of your drive. Rely on the best materials needed for marine and stationary applications.

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VALVE SPRING - 3857898 suitable for Volvo/Volvo Penta engines

VALVE SPRING - 3857898 suitable for Volvo/Volvo Penta engines

### Product Description: Valve Spring 3857898 – Optimal for Your EnginesQuality Valve Spring with Comparison Number 3857898 The valve spring with the comparison number 3857898 is an OEM spare part that provides the quality you need for your engines. This spring, suitable for Volvo/Volvo Penta engines, is characterized by its custom design that ensures optimal performance and durability. Our shape-stable valve spring is ideal for maintaining engine performance.Efficient Performance for Your Applications Manufactured from durable materials, our OEM spare part is a reliable choice to maximize the performance of your engines. Weighing only 0.072 kg, the valve spring is extremely efficient and easy to install, minimizing downtime.

Sale price: €28.57Regular price:€31.75(10% saved)
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VALVE SPRING - 3855992 suitable for Volvo/Volvo Penta engines

VALVE SPRING - 3855992 suitable for Volvo/Volvo Penta engines

Valve spring suitable for Volvo/Volvo PentaDiscover the performance of our valve spring, which stands out as an OEM replacement part with the comparison number 3855992. Weighing just 0.097 kg, this product offers a customized solution for the optimal requirements of your application and ensures the smooth operation of your engine. Valve springs are essential components that are critical for the effective functioning of valves in engines.

Sale price: €27.57Regular price:€30.63(10% saved)
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VALVE SPRING - 3855815 suitable for Volvo/Volvo Penta engines

VALVE SPRING - 3855815 suitable for Volvo/Volvo Penta engines

Valve spring suitable for your enginesDiscover the valve spring suitable for Volvo/Volvo Penta engines with the comparison number 3855815. This product belongs to the group of springs and is optimal for the maintenance of your machines. Weighing only 0.074 kg, the valve spring ensures precise fitting and excellent performance.Quality through OEM spare partsThis product is an OEM spare part that is meticulously processed and meets the highest standards. Rely on the reliable valve spring suitable for Volvo/Volvo Penta to enhance the efficiency of your engines.

Sale price: €35.73Regular price:€39.70(10% saved)
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VALVE SPRING - 3854765 suitable for Volvo/Volvo Penta engines

VALVE SPRING - 3854765 suitable for Volvo/Volvo Penta engines

Top Quality: Valve Spring - Comparison Number 3854765Discover the advantages of the valve spring, whose comparison number 3854765 is unique in its class. This valve spring ensures that the pressure in engines is optimally regulated and performance is secured. Weighing just 0.146 kg, this product is an important addition to your engine.Suitable for Manufacturers and High-Quality OEM Replacement PartsOur valve spring is perfectly suited to ensure that your engines remain in top condition. This valve spring is compatible with Volvo/Volvo Penta engines and can play an essential role in the maintenance of your machines.

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VALVE SPRING - 3853543 suitable for Volvo/Volvo Penta engines

VALVE SPRING - 3853543 suitable for Volvo/Volvo Penta engines

Valve spring suitable for marine enginesDiscover our valve spring with the comparison number 3853543, which is an ideal choice for engines used in marine and stationary applications. This spring, weighing 0.138 kg, offers excellent performance and is designed to meet the specific requirements of Volvo/Volvo Penta engines.OEM spare parts for Ackerman enginesOur valve spring belongs to the category of OEM spare parts. This means it is manufactured to original equipment manufacturer quality, ensuring optimal fit. By using this OEM spare part, you can be confident that it will integrate seamlessly with your engines and ensure maximum efficiency.

Sale price: €31.66Regular price:€35.18(10% saved)
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SPRING - 3853421 suitable for Volvo/Volvo Penta engines

SPRING - 3853421 suitable for Volvo/Volvo Penta engines

Precise OEM Replacement Part: Spring 3853421Discover the engine drive component that stands out for its highest reliability: the Spring 3853421. This OEM replacement part impresses with a perfect fit and functionality, specifically designed for Volvo/Volvo Penta engines. Our products help optimize the lifespan and efficiency of your engines.Quality for Your Engines in Demanding ApplicationsThe Spring 3853421 weighs only 0.002 kg and is a critical component for Volvo/Volvo Penta. Attention to precise construction and the selection of efficient materials ensures that your engines remain in excellent condition.

Sale price: €4.94Regular price:€5.49(10% saved)
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SPRING - 3853387 suitable for Volvo/Volvo Penta engines

SPRING - 3853387 suitable for Volvo/Volvo Penta engines

Spring with Comparison Number 3853387Discover the spring with the comparison number 3853387, an innovative OEM replacement part specifically designed for demands in the field of engines. Weighing only 0.005 kg, this component offers outstanding performance and stability for applications in challenging environments.OEM Replacement Parts for Volvo/Volvo Penta EnginesThis spring is suitable for Volvo/Volvo Penta engines and ensures that your engine has the functionality you expect. At MOPA Motorparts, we place the utmost importance on quality and integrity by distributing OEM replacement parts.

Sale price: €14.31Regular price:€15.90(10% saved)
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VALVE SPRING - 3853227 suitable for Volvo/Volvo Penta engines

VALVE SPRING - 3853227 suitable for Volvo/Volvo Penta engines

High Quality Valve Spring for Efficient EnginesThe comparison number 3853227 refers to a top-quality valve spring that is essential for the smooth operation of your engines. This optimal spare part is crucial for ensuring the performance of your machines. With this valve spring, you are receiving a component suitable for all of your engines.Suitable Construction for Various ApplicationsOur spare part, the valve spring, is designed for Volvo/Volvo Penta engines, ensuring a precise fit. This ensures that your engine operates efficiently and minimizes necessary repairs. Trust in the durability and reliability of the offered spare parts.

VALVE SPRING - 3853130 suitable for Volvo/Volvo Penta engines

VALVE SPRING - 3853130 suitable for Volvo/Volvo Penta engines

Premium Valve Spring for Best PerformanceThe valve spring with the comparison number 3853130 is the perfect OEM replacement part for performance and durability. This product impresses with reliable quality and optimal functionality that you can expect from an OEM replacement part. Ideal for all applications in the marine and stationary sector, this spring is particularly important for the continuous operation of your engines.

SPRING - 3852989 suitable for Volvo/Volvo Penta engines

SPRING - 3852989 suitable for Volvo/Volvo Penta engines

Essential Spring with Comparison Number 3852989Discover the Spring with the comparison number 3852989, an essential product for your projects. This OEM spare part provides the reliability you need to keep your compatible with Volvo/Volvo Penta engines in optimal condition. Weighing only 0.004 kg, the Spring impresses with its high stability and performance in stationary applications and marine use.Precise Application of Connecting ElementsThe comparison number 3852989 provides you with an OEM spare part designed for compatible with Volvo/Volvo Penta engines. This component ensures a perfect fit to maximize the efficiency of your engines. Rely on this product to meet all industry standards.

SPRING - 3852975 suitable for Volvo/Volvo Penta engines

SPRING - 3852975 suitable for Volvo/Volvo Penta engines

Precise Application: Comparison Number 3852975The comparison number 3852975 identifies a custom OEM spare part that functions as a spring. Weighing only 0.001 kg, this product seamlessly integrates into your existing system, ensuring smooth operation. Moreover, it contributes to optimizing performance and meets the requirements of your machines.Suitable for Volvo/Volvo Penta EnginesWhenever you need top-quality spare components, this spare part suitable for Volvo/Volvo Penta is the best choice. This item belongs to the category of screws and offers additional stability to meet the precise requirements of the Volvo/Volvo Penta engines. A component that demonstrates efficiency and optimizes the lifespan of your engines.

VALVE SPRING - 3852810 suitable for Volvo/Volvo Penta engines

VALVE SPRING - 3852810 suitable for Volvo/Volvo Penta engines

Reliable OEM Replacement Part: Valve SpringThe valve spring with the comparison number 3852810 is a high-quality OEM replacement part designed to provide you with the best possible functionality. This product is suitable for Volvo/Volvo Penta engines and meets the demands of challenging applications. Weighing only 0.085 kg, our valve spring can be easily installed and integrated.Ideal for Demanding Engine SystemsThis product is suitable for Volvo/Volvo Penta engines and optimizes their performance. In marine and stationary applications, engines exhibit advanced requirements for quality and durability. Rely on OEM replacement parts to maximize the lifespan and efficiency of your engines.

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SPRING - 3852720 suitable for Volvo/Volvo Penta engines

SPRING - 3852720 suitable for Volvo/Volvo Penta engines

Spring Suitable for High-Quality EnginesDiscover the spring with the comparison number 3852720, a shape-matching OEM replacement part that is suitable for Volvo/Volvo Penta engines. Weighing only 0.004 kg, this product is an essential element for the maintenance of your engines in marine and stationary applications. It offers reliable performance that you can expect from an OEM replacement part.

Sale price: €6.96Regular price:€7.74(10% saved)
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Function and benefits

Machine springs absorb and compensate forces in motion and pressure systems. In engines, engine springs play a vital role in valve timing, vibration damping and tension control. Using the right spring engine configuration ensures:

  • Consistent force distribution and mechanical balance
  • Vibration reduction in dynamic systems
  • Longer lifespan of mechanical assemblies through controlled stress absorption

In marine applications, marine springs must also withstand corrosion and dynamic pressure changes in saltwater environments.

Types and applications of machine springs

There are many types of machine springs, including compression springs, tension springs, torsion springs and disc springs. Depending on the function, technical springs are tailored in size, material and force characteristics. The pressure spring is one of the most common forms and is used to generate resistance or restore position in systems.

In the spring engine context, applications include valve return mechanisms, clutch systems, tensioners and control linkages. The engine spring valve in particular is critical for precise valve control in combustion engines.

Material selection and durability

Machine springs are typically made from high-grade spring steel, stainless steel or special alloys with high fatigue resistance. The selection depends on temperature, load cycles, corrosion exposure and required elasticity. In a marine spring environment, surface coatings or non-corrosive materials such as phosphated or shot-peened spring steel are standard.

All technical springs must meet strict tolerances to ensure predictable load behavior and long-term performance – especially when used in sensitive applications like engine springs or mechanical valves.

Replacement and availability

Machine springs are subject to wear, stress fatigue and corrosion. Regular inspection and preventive replacement are crucial, especially for parts under high mechanical load. We offer a wide range of OEM-machine springs suitable for MTU, Deutz, MAN, Volvo Penta, and MWM engines.

Whether you're sourcing an engine spring valve, a technical pressure spring or a marine spring for critical offshore systems – our stock ensures fast availability and professional-grade reliability.

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

FAQ

What is machine springs?
Machine springs are mechanical components that store and release energy through deformation. They are used in engines, machines, and technical assemblies to manage motion, absorb shock, and maintain tension or compression in a system. Common types include compression, tension and torsion springs.

How do machine springs work?
Machine springs work by compressing, extending or twisting under load, then returning to their original shape. In an engine, for example, engine springs help open and close valves (engine spring valve), maintain belt tension, or absorb vibration. A pressure spring resists force to hold components in position or restore them to a starting point when the load is released.

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