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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 - 04409995 suitable for MWM & Deutz engines

SPRING - 04409995 suitable for MWM & Deutz engines

Spring suitable for MWM & Deutz enginesDiscover our Spring with the comparison number 04409995, an essential OEM replacement part, suitable for cooling systems. This quality product ensures that your engines operate optimally and achieve maximum efficiency.Benefits of OEM replacement partsThe Spring is a top-quality component, suitable for MWM & Deutz engines, specifically designed to deliver excellent performance in marine and stationary applications. Rely on OEM replacement parts and benefit from the highest reliability.

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SPRING - 04431043 suitable for MWM & Deutz engines

SPRING - 04431043 suitable for MWM & Deutz engines

Optimal Spring for Engine Users Discover the excellent Spring that is available to you with the comparison number 04431043. This OEM replacement part is not only suitable for your MWM & Deutz engines but is also particularly robust, making it an ideal solution for various applications.

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COMPRESSION SPRING - 04396785 suitable for MWM & Deutz engines

COMPRESSION SPRING - 04396785 suitable for MWM & Deutz engines

Optimal Solution: Compression Spring for Demanding ApplicationsDiscover our OEM replacement part, the compression spring with the comparison number 04396785. This product belongs to the article group Springs and is suitable for MWM & Deutz engines. This reliable component ensures optimal functioning of your diesel and gas engines and enhances your operation.

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SPRING - 04402550 suitable for MWM & Deutz engines

SPRING - 04402550 suitable for MWM & Deutz engines

Innovation in Engine Spare Parts: Spring Comparison Number 04402550 Discover our OEM spare part, the spring with comparison number 04402550, specially designed to optimize turbochargers. This useful product ensures excellent performance of engines in marine and stationary applications.Suitable for the Best: MWM & Deutz Engines Our product is suitable for MWM & Deutz engines and offers you durable performance and reliability. OEM spare parts ensure the quality your machines need to maintain efficiency and functionality at a high level.

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COMPRESSION SPRING - 04440403 suitable for MWM & Deutz engines

COMPRESSION SPRING - 04440403 suitable for MWM & Deutz engines

Compression spring with comparison number 04440403Discover the compression spring with the comparison number 04440403 – the ideal product to optimize the efficiency of your engines. This compatible component is suitable for MWM & Deutz engines. Our OEM replacement parts ensure the highest quality and accuracy.

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SPRING - 04405478 suitable for MWM & Deutz engines

SPRING - 04405478 suitable for MWM & Deutz engines

Your Perfect Spring for MWM & Deutz EnginesDiscover our spring with the comparison number 04405478, which is ideally suited for MWM & Deutz engines. This OEM replacement part offers you outstanding functionality in demanding applications.Quality and Reliability for Your ApplicationsOur spring is an essential product that ensures efficient maintenance of your devices. In our assortment, you will find over 1 million OEM replacement parts that significantly support your engine quality and performance.

COMPRESSION SPRING - 04416445 suitable for MWM & Deutz engines

COMPRESSION SPRING - 04416445 suitable for MWM & Deutz engines

Efficient Compression Spring for Premium Engines Discover our compression spring (comparison number: 04416445), a precisely manufactured product that is perfectly tailored to the requirements of engines. You can approach this delivery with confidence, as quality is our top priority.Component Compatible with MWM & Deutz The spare part is designed to be compatible with MWM & Deutz engines and offers uncompromising functionality in every application. Our OEM spare part impresses with its precise fit and ensures that your engines operate flawlessly even under the most demanding conditions.

COMPRESSION SPRING - 04390201 suitable for MWM & Deutz engines

COMPRESSION SPRING - 04390201 suitable for MWM & Deutz engines

Premium Compression Spring Suitable for MWM & Deutz EnginesDiscover the compression spring with the comparison number 04390201, specifically designed for MWM & Deutz engines. This product meets high standards of quality and reliability and stands out as an OEM replacement part. Rely on maximum efficiency when it comes to the performance of your engines.Robust and Durable for Your MachinesChoosing OEM replacement parts is crucial: Compared to aftermarket alternatives, our compression spring with comparison number 04390201 offers top-notch quality. Trust the expertise of MOPA Motorparts to sustainably enhance the efficiency of your engines.

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TENSION SPRING - 04388162 suitable for MWM & Deutz engines

TENSION SPRING - 04388162 suitable for MWM & Deutz engines

Precision in Spare Parts SupplyDiscover our product, a tension spring, particularly suitable for MWM & Deutz engines. With the reference number 04388162, we offer you an OEM spare part that supports outstanding performance and reliability. This component, stemming from precise engineering, delivers optimal results in your engine operation.

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YOKE SPRING - 04389099 suitable for MWM & Deutz engines

YOKE SPRING - 04389099 suitable for MWM & Deutz engines

Yoke spring as a reliable spare part Discover the high-quality product: the yoke spring (comparison number 04389099). As an OEM spare part, the yoke spring ensures optimal performance and a long lifespan. This component is an integral part for all who value powerful aggregates.

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SPRING - 04409944 suitable for MWM & Deutz engines

SPRING - 04409944 suitable for MWM & Deutz engines

Excellent Replacement Solution: Spring for Your Engines Discover the Spring that is unique with the comparison number 04409944. This OEM replacement part is applicable for Holders, plates and flanges in engines. The Spring has been specifically designed to ensure optimal performance for working machines.Suitable for MWM & Deutz Engines This product is suitable for MWM & Deutz engines and impresses with high quality and durability. Rely on our OEM replacement part to keep your machines functioning optimally.

SPRING - 04416998 suitable for MWM & Deutz engines

SPRING - 04416998 suitable for MWM & Deutz engines

Performance with Comparison Number 04416998Discover the OEM spare part with comparison number 04416998, designed as a Spring to meet the specific requirements of MWM & Deutz engines. This product is essential for the smooth operation of your engines and impresses with excellent fit.

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SPRING - 04404504 suitable for MWM & Deutz engines

SPRING - 04404504 suitable for MWM & Deutz engines

Precise Spring with Comparison Number 04404504Discover the spring with comparison number 04404504, an indispensable part that offers precise performance. This OEM replacement part is suitable for MWM & Deutz engines and meets the high demands in challenging applications.Efficient Solutions for Your EnginesOur product, which functions as a spring, is directly tailored to the requirements of MWM & Deutz. With the comparison number 04404504, it ensures that all components work seamlessly together. Rely on an OEM replacement part specifically designed for the stresses of engines.

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SPRING - 04440733 suitable for MWM & Deutz engines

SPRING - 04440733 suitable for MWM & Deutz engines

Premium Spring for Robust EnginesDiscover our spring with the comparison number 04440733, an essential OEM spare part. This spring has been specifically designed for the lines and pipes groups and offers maximum durability and reliability – ideal for extensive applications.

SPRING - 76751 suitable for Volvo/Volvo Penta engines

SPRING - 76751 suitable for Volvo/Volvo Penta engines

Optimal Spring – Comparison Number 76751 in DetailDiscover our spring, which plays an important role in your application with the comparison number 76751. This OEM replacement part is specifically designed to harmonize perfectly with Volvo/Volvo Penta engines. Weighing only 0.018 kg, it belongs to the category Lines and pipes and ensures a perfect fit.

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RETAINING SPRING - 65976400000 suitable for MAN D-engines

RETAINING SPRING - 65976400000 suitable for MAN D-engines

Retaining Spring: Ideal Spare Part for EnginesDiscover the retaining spring (comparison number: 65976400000), a top-quality OEM spare part, suitable for MAN D engines. This retaining spring plays a crucial role in the functionality of your engines and ensures their reliable operation. Rely on products that are perfectly tailored to your requirements.Perfect Performance and FitOur retaining spring is the ideal OEM spare part, suitable for the most demanding applications in marine and locomotive engineering. Available as an OEM spare part, the functionality of the retaining spring is directly linked to the performance of your engines. Maximize the efficiency of your systems with a component that meets your expectations.

Sale price: €2.08Regular price:€2.31(10% saved)
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TENSION SPRING - 65976100000 suitable for MAN D-engines

TENSION SPRING - 65976100000 suitable for MAN D-engines

Tension Spring for MAN D EnginesDiscover the tension spring (part number 65976100000), an essential product that is perfectly tailored to the requirements of engines. This OEM spare part is specifically designed to support smooth functionality and enhance efficiency.

Sale price: €5.98Regular price:€6.64(10% saved)
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RETAINING SPRING - 65637310004 suitable for MAN D-engines

RETAINING SPRING - 65637310004 suitable for MAN D-engines

Retaining spring with comparison number 65637310004 The retaining spring with comparison number 65637310004 is an essential product that is important for the efficient operation of engines. As an excellent OEM replacement part, this retaining spring provides reliable support in your operation while creating ideal conditions for optimal engine performance.Suitable for MAN D: Data security in every aspect The retaining spring comparison number 65637310004 is suitable for MAN D engines. Its precise design and high fitting accuracy make it the ideal choice for engine construction. With these OEM replacement parts, you rely on quality and expertise from over 25 years in the field of engine technology.

Sale price: €2.34Regular price:€2.60(10% saved)
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CUP SPRING - 65626400001 suitable for MAN D-engines

CUP SPRING - 65626400001 suitable for MAN D-engines

Cup Spring for MAN D – Your Reliable ComponentExperience the quality of the cup spring with the comparison number 65626400001. This spare part is essential for the flawless operation of your engines. Industry feedback speaks for itself: Our products are suitable for MAN D engines and provide the reliability you need.Performance Through Trusted OriginOur cup spring is optimally designed to fit MAN D engines. When you choose OEM parts, you rely on products that offer high performance and durability.

Sale price: €6.69Regular price:€7.44(10% saved)
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RETAINING SPRING - 65512400000 suitable for MAN D-engines

RETAINING SPRING - 65512400000 suitable for MAN D-engines

Optimal Usage: Retaining Spring Suitable for MAN DDiscover the retaining spring that offers exceptional performance for your applications with the comparison number 65512400000. This retaining spring is an essential OEM spare part, suitable for MAN D engines that require reliability and longevity.Advantages of OEM Spare Parts in DetailRely on our OEM spare parts, specifically designed to meet the high demands of MAN D engines. This retaining spring provides you with an ideal solution as it is precisely made to fit your needs.

Sale price: €0.91Regular price:€1.01(10% saved)
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 - 65458400000 suitable for MAN D-engines

- 65458400000 suitable for MAN D-engines

Excellent Accessories: Spring Suitable for MAN D EnginesDiscover our spring with the comparison number 65458400000, which perfectly meets your requirements. This OEM spare part is an essential component when it comes to keeping your MAN D engines in optimal condition. With this spring, you achieve the best results in minimizing wear and extend the lifespan of your equipment.

Sale price: €0.51Regular price:€0.57(11% saved)
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HELICAL SPRING - 65434300039 suitable for MAN D-engines

HELICAL SPRING - 65434300039 suitable for MAN D-engines

Effective Helical Spring with Comparison Number 65434300039The helical spring with the comparison number 65434300039 is an outstanding OEM replacement part that meets the highest standards. This product provides excellent performance and ensures that you can always trust the quality you expect from OEM replacement parts. The comparison number 65434300039 represents reliability in every application.

Sale price: €206.69Regular price:€229.66(10% saved)
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HELICAL SPRING - 65434300038 suitable for MAN D-engines

HELICAL SPRING - 65434300038 suitable for MAN D-engines

Quality Flow through Consumer ProductsDiscover the suitable helical spring, compatible with MAN D engines, with the comparison number 65434300038. This product offers you the highest performance and reliability, ensuring that your engines always operate optimally.Amazing Quality in OEM Spare PartsOur helical spring is an efficient OEM spare part, specifically designed for the requirements of your MAN D engines. By using products of manufacturer class, our product ensures that you receive the best performance and longevity.

Sale price: €206.69Regular price:€229.66(10% saved)
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HELICAL SPRING - 65434300037 suitable for MAN D-engines

HELICAL SPRING - 65434300037 suitable for MAN D-engines

Discover the Helical Spring for Reliable EnginesThe Helical spring, comparison number 65434300037, ensures optimal performance of your engines. This OEM replacement part offers outstanding performance and durability in every application.Ensure Compatibility with MAN D EnginesThe Helical spring is suitable for MAN D engines, making it ideal for the efficient operation of your machinery. Its precisely manufactured design ensures excellent fit and reduces the risk of failures.

Sale price: €206.69Regular price:€229.66(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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