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Screw nuts – secure fastening for engine systems

Screw nuts are fundamental components for assembling and securing mechanical structures, especially in engine and industrial systems. Whether used in combustion engines, marine machinery or stationary equipment – high-quality screw nuts ensure reliable fastening under high loads, vibrations and temperature fluctuations. They are essential for safety, serviceability and long-term performance.

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NUT - 135D08704 suitable for MTU engines

NUT - 135D08704 suitable for MTU engines

Effective OEM Replacement Part: Nut 135D08704Experience the efficiency and reliability of the Nut with the comparison number 135D08704. This OEM replacement part is crucial for the performance of your suitable for MTU engines. Every product we offer ensures a perfect fit, allowing your engines to operate smoothly at all times.Suitable Solutions for Your RequirementsThe Nut is suitable for engines from the suitable for manufacturer MTU and is categorized as an OEM replacement part. Its use secures the integrity of your systems and is an essential component in the maintenance of your machines.

Sale price: €195.75Regular price:€217.50(10% saved)
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NUT - 135B10005 suitable for MTU engines

NUT - 135B10005 suitable for MTU engines

Precise Replacement Part Solution: Comparison Number 135B10005Discover the Nut with the comparison number 135B10005, an essential OEM replacement part for your needs. This Nut stands out in the group of Nuts and ensures an optimal fit through its excellent craftsmanship. It is perfectly suited for MTU engines that are used in demanding applications.Excellent Features for MTU EnginesThe OEM replacement part is suitable for the series 538 as well as the MTU engines 16V538TB90 and 16V538TB93. With this component, you receive a product that meets the highest quality standards. The installation of this Nut ensures that your engines run efficiently and achieve a long lifespan.

Sale price: €128.34Regular price:€142.60(10% saved)
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NUT - 135B09005 suitable for MTU engines

NUT - 135B09005 suitable for MTU engines

High-Quality Nut with Comparison Number 135B09005Discover our nut with the comparison number 135B09005, an essential OEM spare part for the smooth operation of your engines. This product offers optimal accuracy and functionality, ensuring you can rely on the quality that is valued in the industry.Perfect Fit for MTU EnginesThis OEM spare part is suitable for MTU engines of the series 538, particularly for the engine types compatible with 16V538TB90 and 16V538TB93. By using similar materials, we achieve high durability and effectiveness, which are crucial for your applications.

Sale price: €87.87Regular price:€97.63(10% saved)
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NUT - 135B03055 suitable for MTU engines

NUT - 135B03055 suitable for MTU engines

Premium Nut for EnginesDiscover our Nut with the comparison number 135B03055, an essential OEM spare part, suitable for MTU engines. This product offers excellent compatibility for diesel and gas-operated engines in marine and stationary applications.Quality of OEM Spare PartsOur product group comprises exclusively OEM spare parts, which are specifically designed for high demands. The product, the Nut with comparison number 135B03055, impresses with its functionality and durability, allowing your engines to operate reliably.

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NUT - 135B03035 suitable for MTU engines

NUT - 135B03035 suitable for MTU engines

Nut with Comparison Number 135B03035Discover the nut with the comparison number 135B03035, suitable for MTU engines. This OEM replacement part belongs to the category of nuts and offers a perfect fit as well as long-term reliability in demanding applications. With a lightweight of 0.001 kg, this product is excellent for use in marine and stationary engines.

Sale price: €2,823.70Regular price:€3,137.45(10% saved)
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NUT - 135B02013 suitable for MTU engines

NUT - 135B02013 suitable for MTU engines

Premium Fastener for Reliable EnginesDiscover our fastener, which is listed under the comparison number 135B02013. This OEM replacement part offers excellent fit for engines designed for MTU. With our extensive experience in the industry, we ensure that you receive the quality that meets your requirements.Large Stock for Extensive AvailabilityIn our extensive stock, we offer a variety of OEM replacement parts, including the fastener with the comparison number 135B02013.

Sale price: €372.55Regular price:€413.95(10% saved)
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NUT - 135B02012 suitable for MTU engines

NUT - 135B02012 suitable for MTU engines

Excellent Spare Part for Your MTU EnginesDiscover our Nut, the perfect OEM spare part with the comparison number 135B02012, suitable for MTU engines. This product stands out for its first-class craftsmanship and supports the optimal performance of your diesel or gas engines. Trust in the quality of our engine spare parts.

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NUT - 135A48711 suitable for MTU engines

NUT - 135A48711 suitable for MTU engines

Robust Product Suitable for MTU EnginesThe Nut with the comparison number 135A48711 is an essential OEM spare part specifically designed for engines suitable for MTU. This Nut meets the highest standards and ensures that your engines operate reliably and efficiently.Quality That Convince – OEM Spare PartsOur spare part, the Nut, provides you with the security and durability you expect from an OEM spare part. With the comparison number 135A48711, you receive a product that is tailored and optimally meets the conditions required for engines.

Sale price: €93.25Regular price:€103.61(10% saved)
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NUT - 135A30016 suitable for MTU engines

NUT - 135A30016 suitable for MTU engines

High-Quality Nut with Comparison Number 135A30016Discover the Nut with the comparison number 135A30016, a crucial spare part that ensures your compatible with MTU engines operate optimally. This product is specifically suitable for the requirements your machines need. Trust in the durability and reliability you expect from quality components.Precise Fit for Long-Term PerformanceThe spare part with the comparison number 135A30016 impresses with its exact fit. As a spare part, this Nut is designed to be compatible with MTU engines. With over 1 million spare parts in our range, you secure the best options for your engine technology.

NUT - 133D21009 suitable for MTU engines

NUT - 133D21009 suitable for MTU engines

Innovative Nut Suitable for MTU EnginesDiscover the nut with the comparison number 133D21009, an essential OEM spare part specifically designed for MTU engines. This product is the result of years of development and offers the highest precision to optimize your engine's performance. Trust in the quality of OEM spare parts that are valued in the industry.Precision through OEM Spare PartsThis nut is suitable for the demanding requirements of MTU engines. With the comparison number 133D21009, this product ensures that you receive the perfect fit for your engine. Invest in the safety and quality standards that only OEM spare parts can provide.

KNURLED NUT - 133C05005 suitable for MTU engines

KNURLED NUT - 133C05005 suitable for MTU engines

Knurled nut for various applicationsDiscover the knurled nut with the comparison number 133C05005, an essential product for your compatible MTU engines. This knurled nut belongs to the article group nuts and has been developed for a precise fit and optimal function.The benefits of OEM replacement partsWith the OEM replacement part, you choose quality from well-known manufacturers. Unlike aftermarket options, our OEM replacement parts, such as the knurled nut with the comparison number 133C05005, offer reliable performance and durability, which are crucial for the long-term success of your engines.

SLOTTED NUT - 124C15002 suitable for MTU engines

SLOTTED NUT - 124C15002 suitable for MTU engines

Slotted Round Nut for Maximum PrecisionDiscover our OEM replacement part, the slotted round nut with the comparison number 124C15002. This special slotted round nut is an essential component, suitable for MTU engines. Our products are characterized by quality and precision to provide you with long-lasting, reliable performance.

HEXAGON NUT - 121L06002 suitable for MTU engines

HEXAGON NUT - 121L06002 suitable for MTU engines

Efficient Hexagon Nut with Comparison Number 121L06002Discover the hexagon nut with the comparison number 121L06002, an excellent OEM spare part suitable for MTU engines. This product ensures the highest precision and is essential for the stable operation of your engines. Rely on the quality of OEM spare parts to optimally support your engine system.Application Area of the Hexagon NutThe hexagon nut 121L06002 is part of a comprehensive product range of nuts and is ideally suited for various applications. We have over 1 million spare parts in our assortment, each precisely manufactured to meet the demands of engines in the marine and stationary industries.

UNION NUT - 1413313053 suitable for Bosch engines

UNION NUT - 1413313053 suitable for Bosch engines

Union Nut for Reliable EnginesDiscover our union nut (comparison number: 1413313053), an essential OEM spare part designed for Deutz engines of series 500. It ensures a reliable connection and optimal performance of your machines. Weighing only 0.12 kg, it offers a balanced combination of lightness and sturdiness, specifically developed for stationary use and in marine applications.Quality of OEM Spare PartsThe union nut, available under comparison number 1413313053, is sourced from the Original Equipment Manufacturer and provides the highest quality in terms of fitting precision. OEM spare parts are known for their excellent workmanship and reliability, unlike aftermarket products that often do not meet the same standards. Rely on the benefits of an OEM spare part designed for your Deutz engines.

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UNION NUT - 2433314023 suitable for Bosch engines

UNION NUT - 2433314023 suitable for Bosch engines

Union nut suitable for MWM & Deutz enginesDiscover the union nut with the comparison number 2433314023, a top-quality product specifically designed for MWM & Deutz engines. This union nut ensures that your engines run efficiently and provide a reliable connection. With a weight of only 0.039 kg, this OEM spare part is ideal for easy handling and installation.Reliable OEM spare parts for your enginesThe union nut is an important component suitable for MWM & Deutz engines and offers the reliability you expect from OEM spare parts. They are not only precisely manufactured but also tested to enable excellent performance under various conditions.

Sale price: €21.59Regular price:€23.99(10% saved)
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UNION NUT - 115D12007 suitable for MTU engines

UNION NUT - 115D12007 suitable for MTU engines

Union Nut for Effective Engine ConnectionsThe union nut with the part number 115D12007 is an OEM replacement part designed for MTU engines. This essential product from the category of nuts ensures a secure connection that is necessary for the optimal operation of your engines.

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NUT - 115C55004 suitable for MTU engines

NUT - 115C55004 suitable for MTU engines

Special Accessories for Your EnginesDiscover the OEM spare part, the Nut with the comparison number 115C55004, which has been specially designed for MTU engines. This product offers a precise fit and high reliability, ideal for the demanding requirements of marine and stationary engines.Expertise in OEM Spare PartsWith over 25 years of experience, we consistently provide you with OEM spare parts. The comparison number 115C55004 stands for quality and reliability. All spare parts in our range are designed to harmonize optimally with your engines and support their performance.

Sale price: €77.04Regular price:€85.61(10% saved)
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SLOTTED NUT - 114M80005 suitable for MTU engines

SLOTTED NUT - 114M80005 suitable for MTU engines

Slotted Round Nut for Your EnginesDiscover the slotted round nut with the comparison number 114M80005, an essential OEM replacement part that is specifically suitable for MTU engines. This product is crucial for the reliable function of your diesel and gas engines and is ideal for maritime and stationary use.Quality through OEM Replacement PartsOur slotted round nut is a high-quality OEM replacement part that ensures a precise fit. As a leading provider of engine components, we know how important high quality is for the performance of your engines. Rely on our expertise in the field of engines and take advantage of our replacement parts, which are optimally suited for your technology.

Sale price: €51.50Regular price:€57.23(10% saved)
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HEXAGON NUT - 114L65001 suitable for MTU engines

HEXAGON NUT - 114L65001 suitable for MTU engines

Hexagon nut Comparison Number 114L65001 Discover The hexagon nut with comparison number 114L65001 is the key to a secure fastening in your engines. It belongs to the product group of nuts and is an indispensable OEM replacement part that meets the highest standards. This product ensures optimal connection and reliability.Suitable for MTU Engines The OEM replacement part is suitable for MTU engines and offers you the assurance that your system operates smoothly. With this hexagon nut, you enhance the performance of your engine and minimize potential downtime.

Sale price: €1.17Regular price:€1.30(10% saved)
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HEXAGON NUT - 114D42004 suitable for MTU engines

HEXAGON NUT - 114D42004 suitable for MTU engines

Hexagon nut with comparison number 114D42004Discover the Hexagon nut with the comparison number 114D42004 – a premium OEM replacement part specifically designed to fit MTU engines. These precision components ensure a reliable connection in your applications and support the efficiency of your engines.

Sale price: €3.77Regular price:€4.19(10% saved)
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HEXAGON NUT - 114A80024 suitable for MTU engines

HEXAGON NUT - 114A80024 suitable for MTU engines

Essential Product: Hexagon NutDiscover the hexagon nut with the comparison number 114A80024, an essential OEM spare part specifically designed to promote engine performance at the highest level. This product is indispensable for the maintenance of engines and offers excellent quality.Precise Fit for MTU EnginesThe hexagon nut is suitable for MTU engines and ensures reliable installation through its precise fit. Whether you are operating a marine or stationary engine, this OEM spare part meets the highest demands for performance and safety.

Sale price: €4.19Regular price:€4.65(10% saved)
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HEXAGON NUT - 114A65003 suitable for MTU engines

HEXAGON NUT - 114A65003 suitable for MTU engines

Premium Hexagon nut for your applicationChoose the top-quality OEM spare part, the hexagon nut with the comparison number 114A65003. This product offers a precise fit and is designed to meet the highest standards of quality and durability.Suitable for MTU: Reliability in every detailOur hexagon nut is suitable for MTU engines, ensuring optimal functionality of your machines. Rely on our OEM spare parts, known for their high precision, to support the reliability of your engines.

Sale price: €52.66Regular price:€58.51(10% saved)
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ACORN NUT - 112C62704 suitable for MTU engines

ACORN NUT - 112C62704 suitable for MTU engines

Discover the Acorn Nut for Optimal Operating ConditionsDiscover the Acorn nut with the part number 112C62704, designed as an OEM replacement part suitable for MTU engines. This product features precise workmanship and offers the reliability you expect from an OEM replacement part.Perfect Fit for Your EnginesThe product, the Acorn nut 112C62704, is tailored and compatible with engines used in marine and stationary applications. Due to its precision fit, this OEM replacement part ensures a long lifespan and maximum performance of your machines. Trust our expertise and see for yourself the quality.

Sale price: €89.17Regular price:€99.07(10% saved)
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HEXAGON NUT - 112C62009 suitable for MTU engines

HEXAGON NUT - 112C62009 suitable for MTU engines

Robust Hexagon Nut for Your Engine NeedsDiscover our hexagon nut with the comparison number 112C62009, a top-quality OEM spare part specifically designed for MTU engines to meet your requirements. This product ensures a secure fit and a tight connection in your engine operation, which is crucial for reliability.

Sale price: €26.01Regular price:€28.90(10% saved)
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Function and advantages

Screw nuts work in combination with bolts or studs to create strong, threaded connections. In engine systems, a proper engine nut or motor nut must withstand dynamic forces and temperature-related expansion. Key benefits include:

  • Secure locking of mechanical components under stress
  • Resistance to loosening under vibration
  • Easy assembly and disassembly for maintenance

In high-precision systems, mechanical nuts often feature locking mechanisms, flange bases or specialized coatings to enhance grip and corrosion resistance.

Applications and types

Engine nuts are used to fasten cylinder heads, manifolds, brackets and rotating assemblies. Motor nuts are common in alternators, starters, pumps and other auxiliary components. Depending on the application, mechanic nuts can be hex nuts, locknuts, self-locking nuts or high-temperature nuts.

For industrial and marine use, mechanical nuts are often made of stainless steel or alloyed materials to withstand corrosion, vibration and thermal cycles. Our range includes all standard types and sizes suitable for MTU, MAN, Volvo Penta, Deutz and MWM engines.

Availability and sourcing

We stock a wide selection of screw nuts and related fasteners for engines, industrial equipment and marine applications. As experienced screws and nuts suppliers, we provide OEM-quality with fast delivery, technical support and high availability – ideal for overhauls, repairs or production sourcing.

Screw nuts for industrial and marine engines – engine nut, motor nut, mechanical nuts, mechanic nuts – OEM replacements

FAQ

What are screw nuts used for in engines?
Screw nuts in engines are used to secure critical components such as cylinder heads, exhaust systems, brackets and rotating parts. They must withstand heat, vibration and mechanical stress without loosening.

What is the difference between mechanical nuts and mechanic nuts?
“Mechanical nuts” refers to all technical fasteners used in machines, while “mechanic nuts” is a more informal term often used in workshop contexts. Both describe the same parts but are used in different settings.

Where can I buy engine nuts and motor nuts?
Engine nuts and motor nuts are available from specialized screws and nuts suppliers like us. We offer a wide range of standard and special fasteners for diesel and gas engines, with OEM compatibility and fast shipping.

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