Locking parts – secure fastening for engines and machinery
Locking parts are essential for ensuring that fasteners and mechanical assemblies remain secure under load, vibration and thermal stress. In engines, turbines, marine systems and industrial equipment, locking parts prevent critical components from loosening during operation – a key factor for safety, durability and system integrity.
Choose from following:
CORE PLUG HOLE - 04310905 suitable for MWM & Deutz engines
Core Plug Hole: Your Product for Reliable Engine SolutionsExperience the core plug hole (comparison number: 04310905), an essential OEM spare part that perfectly fits MWM & Deutz engines. With this product, you ensure the impeccable functionality of your engines and meet the highest technical requirements.
PLUG - 04310846 suitable for MWM & Deutz engines
Plug for MWM & Deutz EnginesDiscover our product, the plug with the comparison number 04310846. This OEM replacement part is suitable for MWM & Deutz engines and impresses with its tested quality. Whether for marine or stationary use – our plug is ideally suited for a variety of applications.OEM Replacement Parts for Efficient EnginesThe plug represents a superior choice as it is an OEM replacement part coming directly from the manufacturer. This ensures a proven performance that is superior compared to aftermarket products. Experience the advantages that premium replacement parts can offer.
PLUG - 04310845 suitable for MWM & Deutz engines
Flexible Plug for Your EnginesDiscover the plug with the comparison number 04310845, a flexible replacement part for engines. This product offers reliably high quality and is suitable for MWM & Deutz engines. Functional efficiency and precise design characterize this OEM replacement part.
PLUG - 04310843 suitable for MWM & Deutz engines
Quality and Availability: Discover the PlugDiscover our plug, which is an excellent addition for your applications. The comparison number 04310843 identifies this product, which is designed to fit MWM & Deutz engines. As a locking part, we offer reliable tailored solutions that support you.
PLUG - 04309367 suitable for MWM & Deutz engines
Premium Plug with Reference Number 04309367Discover our plug listed under the reference number 04309367. This OEM spare part offers you the reliable quality you expect from a product that is suitable for MWM & Deutz engines. Every detail of this plug is designed for optimal functionality and meets high standards.
PLUG - 04309185 suitable for MWM & Deutz engines
Quality and Performance of the PlugThe plug with the comparison number 04309185 is a tailor-made OEM replacement part specifically designed for MWM & Deutz engines. With this product, you enhance the efficiency of your engines and ensure consistent operational capability.
PLUG - 04309171 suitable for MWM & Deutz engines
Check the comparison number 04309171 Discover our new plug with the comparison number 04309171, an indispensable OEM spare part suitable for MWM & Deutz engines. This product ensures that your operations remain efficient and reliable – whether in the marine or stationary sector.OEM spare parts for your engines Our plug impresses with the highest precision and performance. OEM spare parts like this offer you the assurance that your systems are both powerful and durable.
PLUG - 04309170 suitable for MWM & Deutz engines
Suitable Plug for Premium ApplicationsDiscover our plug with the comparison number 04309170, designed to fit MWM & Deutz engines. This OEM replacement part ensures excellent workmanship and an optimal fit. With the comparison number 04309170, you choose quality and reliability for your applications.
PLUG - 04308358 suitable for MWM & Deutz engines
Reliable Product Suitable for MWM & Deutz Discover the plug with the part number 04308358, specifically designed for your application. This product is suitable for MWM & Deutz engines and offers precise solutions for locking parts.High-Quality OEM Spare Parts for Various Applications Our spare parts are OEM parts produced by the manufacturer. This means you can rely on first-class quality and durability when choosing this plug. Don’t compromise – opt for OEM.
PLUG - 04308320 suitable for MWM & Deutz engines
Plug for Effective EnginesDiscover our OEM replacement part, the plug with the comparison number 04308320. This product is suitable for MWM & Deutz engines and ensures reliable functionality. Rely on the quality of products specifically designed for use in high-performance diesel and gas engines.
PLUG - 04308175 suitable for MWM & Deutz engines
Precise OEM Replacement Part for Your UseDiscover our plug with the comparison number 04308175, an important OEM replacement part that offers outstanding precision for your MWM & Deutz engines. This product meets the highest standards for quality and performance, making it indispensable for your tasks.
PLUG - 04307317 suitable for MWM & Deutz engines
Plug with Comparison Number 04307317Discover the plug with comparison number 04307317, suitable for MWM & Deutz engines. This product belongs to the category of locking parts and impresses with its careful processing and reliability.
CORE PLUG HOLE - 04306698 suitable for MWM & Deutz engines
Core Plug Hole – Your Solution in the Marine Sector Discover our Core Plug Hole product with the comparison number 04306698. This OEM spare part is specially designed for the high demands of engines in marine and stationary applications and impresses with its reliability and durability.Optimal Suitability for MWM & Deutz Engines The Core Plug Hole, suitable for MWM & Deutz engines, ensures perfect sealing and is essential for the functionality of your machines. Rely on the excellence of our OEM spare parts to enhance the performance of your engines.
PLUG - 04305839 suitable for MWM & Deutz engines
Discover the Plug – Comparison Number 04305839The perfect plug with the comparison number 04305839 is an essential OEM spare part that has been extensively developed. As a valuable product in the category of locking parts, it ensures excellent fit.Reliable Quality – Suitable for MWM & DeutzThis OEM spare part is specifically suitable for MWM & Deutz engines. The use of this precisely manufactured spare part ensures optimal performance of your engines. Rely on products that have proven themselves.
PLUG - 04304776 suitable for MWM & Deutz engines
Precise Plug with Comparison Number 04304776Discover our plug with the comparison number 04304776, an optimally fitting OEM replacement part, suitable for MWM & Deutz engines. This product belongs to the category of locking parts and ensures precise performance. Secure a reliable solution for your applications.Quality Without Compromises: OEM Replacement PartsAt MOPA Motorparts, we exclusively offer OEM replacement parts. With the comparison number 04304776, you receive a product you can rely on. Our over 25 years of experience ensures that we focus on high-quality products that benefit your engines.
PLUG - 04304141 suitable for MWM & Deutz engines
Reliable Plug with Comparison Number 04304141Discover our plug with the comparison number 04304141. This OEM spare part is ideally suited for various applications and offers excellent functionality.Suitable for MWM & Deutz EnginesThe plug is perfectly suitable for MWM & Deutz engines and ensures smooth operation. The careful workmanship promotes high efficiency under various conditions.
CORE PLUG HOLE - 04303464 suitable for MWM & Deutz engines
Excellent Product: Core Plug HoleDiscover our core plug hole, a reliable product with the reference number 04303464. This OEM spare part offers excellent fit and workmanship quality, suitable for MWM & Deutz engines. Engines used in marine and stationary applications benefit from our many years of experience and expertise.Precise Fit for Your EnginesOur core plug hole is specifically designed to be perfectly integrated into engines compatible with MWM & Deutz. With the reference number 04303464, you can be sure that this accessory will deliver the desired performance results.
PLUG - 04301744 suitable for MWM & Deutz engines
Quality of the Plug for Premium EnginesDiscover our high-quality Plug, which is listed as a replacement part in the product group of Locking parts. With the comparative number 04301744, it ensures the functionality and efficiency of your engines. This product is perfectly suitable for professional applications, as it is specifically compatible with the requirements of suitable for MWM & Deutz engines.Suitable for MWM & Deutz EnginesSecure optimal performance with the high-quality Plug. This replacement part is designed to be suitable for MWM & Deutz and sets the highest standards in performance and durability. Utilize our expertise to find practical solutions for your challenges in the B2B sector.
PLUG - 04301743 suitable for MWM & Deutz engines
First-Class Plug for Optimizing Your EnginesDiscover our product, the plug with the comparison number 04301743, suitable for MWM & Deutz engines. This comparison number ensures the highest quality standards to support the smooth operation of your engines. Whether in marine applications or stationary use, our OEM spare part impresses with reliability.OEM Spare Parts Suitable for MWM & Deutz EnginesThe plug is a first-class OEM spare part that ensures optimal functionality of your engines. Designed for MWM & Deutz, it is the ideal choice to promote the longevity and efficiency of your drive system.
PLUG - 04299739 suitable for Deutz engines
Excellent OEM Replacement Part for Your EnginesOur exclusive OEM replacement part, the Plug with the comparison number 04299739, is indispensable for the maintenance of engines. This product is perfectly suited for use in various systems and ensures a smooth startup.Suitable for Deutz EnginesThis Plug is suitable for Deutz engines and impresses with its precise manufacturing. Thanks to the comparison number 04299739, you can quickly find the right part for your needs that meets the demands of high-quality engines.
PLUG - 04295677 suitable for Deutz engines
Maximum Performance for Engines Discover our product, the Plug with the comparison number 04295677, an OEM replacement part specifically designed to deliver the best performance values. This premium Plug is the ideal solution for perfect functionality of your engines.Suitable for Deutz – Your High-Quality Choice Our Plug is suitable for Deutz engines and meets all precision requirements. Each OEM replacement part is manufactured in accordance with the highest standards and undergoes comprehensive internal inspections to ensure reliability.
PLUG - 04295629 suitable for Deutz engines
Excellent Plug with Reference Number 04295629The Plug with the reference number 04295629 is an essential OEM spare part specifically designed to meet the requirements of various engines. In the category of Locking parts, this product impresses with its particularly high accuracy and robustness. Weighing only 0.104 kg, it offers effortless handling and enables easy installation.Suitable Solutions for Deutz EnginesThis product is suitable for Deutz, meaning it is optimally tailored to the specific technical conditions of these engines. The use of OEM spare parts ensures that you benefit from the excellent quality and reliability expected from manufacturers.
PLUG - 04292892 suitable for Deutz engines
Essential Plug for Optimal Engine Performance Discover our premium plug, an essential OEM replacement part that is perfectly suited for your Deutz engines. With the comparison number 04292892, we ensure that this product meets the highest standards and meets the specific requirements for diesel and gas engines. The plug supports efficient performance and is particularly indispensable in marine, stationary, and locomotive applications.Lightweight Component for Deutz Engines This plug weighs only 0.088 kg and can be installed easily without negatively affecting the operation of your engines. It has been manufactured as an OEM replacement part and meets precisely the specifications required for optimal performance in engines.
PLUG - 04292891 suitable for Deutz engines
Precision and Functionality: Plug 04292891The plug with the comparison number 04292891 ensures top-notch performance in your machinery. It belongs to the group of locking parts and weighs only 0.046 kg, making it ideal for easy handling and optimization in application. This product is specifically designed for engines and provides the reliable functionality you expect.Energy Efficiency: Suitable for Deutz EnginesThis OEM spare part is perfectly tuned for diesel and gas engines suitable for Deutz. The criteria of the Original Equipment Manufacturer ensure that you receive a product of the highest quality. Make sure your machines remain efficient with the plug 04292891 and are maintained in a timely manner.
Function and benefits
Locking parts are used to fix bolts, nuts, shafts or rotating elements in place. They protect against unintentional movement or unscrewing due to vibration, pressure changes or torque fluctuations. Benefits include:
- Secure hold of mechanical connections
- Increased system safety and reduced failure risk
- Improved service intervals and reliability
In high-performance diesel engines or marine drives, locking systems are critical to prevent loosening of vital components under continuous vibration and extreme temperatures.
Types of locking parts
Our range of locking parts includes:
- Locking washers (e.g. serrated, tab or spring washers)
- Locknuts and self-locking nuts
- Locking clips and retaining rings
- Split pins, cotter pins and safety wires
These components are available in materials such as spring steel, stainless steel, and corrosion-resistant alloys – ideal for use in marine environments or thermal cycling conditions.
Applications in marine and industrial systems
Locking parts are used in crankshaft assemblies, valve trains, coupling flanges, pump mounts and exhaust systems. In maritime settings, reliability under constant vibration and salt exposure is key. We offer OEM-locking solutions suitable for MTU, MAN, Volvo Penta, Deutz and MWM engines – suitable for both new builds and overhauls.
FAQ
What are locking parts used for?
Locking parts secure mechanical fasteners and rotating elements, preventing loosening due to vibration, pressure or thermal expansion. They are vital in engines and machinery to maintain operational safety and performance.
How do I choose the right locking part?
Selection depends on load, operating temperature, vibration level and component type. In high-stress environments, self-locking nuts or tab washers are often preferred over standard fasteners.
Are locking parts reusable?
Some locking parts like tab washers or safety clips are designed for single use, while others like locknuts or spring washers can be reused if undamaged. Always follow engine manufacturer guidelines for replacements.