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LEVER/ARM

LEVER/ARM Electric Components and Switches

Electric components and switches form the nervous system of modern engines. They measure, actuate, interlock, and protect—coordinating everything from fuel delivery to emergency shutdown. Within this category, LEVER/ARM actuation is a proven mechanical principle that translates motion into precise electrical commands, for example on cam-driven limit switches, governor linkages, and position sensors. In marine engine rooms, diesel engine generator sets, and industrial gas engines alike, robust switchgear and control components ensure safe starts, controlled operation, and secure stops under harsh conditions.

Whether mounted on the engine block, integrated into the control cabinet, or installed on local panels, electric components and switches must withstand vibration, heat, humidity, and contamination. Accurate LEVER/ARM mechanisms deliver repeatable switch points and maintain contact integrity, enabling dependable signals to the engine management system, protection relays, and monitoring devices. This reliability underpins performance, efficiency, and crew safety.

Technical function of LEVER/ARM electric components in diesel and marine engine control

In an engine application, electric components and switches convert mechanical and physical states into electrical signals and controlled actions. LEVER/ARM limit switches detect positions of fuel racks or throttle shafts, translating small angular movements into on/off or analog outputs. Pressure and temperature switches open or close circuits at calibrated setpoints, while relays, contactors, and solenoid-driven valves route power and control signals for starting, preheating, fuel admission, and shutdown.

For a marine engine, a LEVER/ARM actuation on a roller-limit switch might track cam follower movement to confirm valve train position. In a diesel engine, governor linkage feedback via a LEVER/ARM maintains accurate load-sharing and prevents overspeed. Contact materials, arc suppression, and enclosure sealing (e.g., IP-rated housings) protect signal fidelity. Shielded connectors and EMC-compliant layouts reduce noise that could otherwise cause nuisance trips. Well-designed components ensure that switch hysteresis, differential, and repeatability remain consistent across the engine’s operating temperature and vibration spectrum.

Matching LEVER/ARM OEM parts preserve the intended actuation geometry and setpoint calibration, so the control system receives the right signal at the right moment—critical for start interlocks, permissives, and shutdown logic. This is especially important on LEVER/ARM marine engine installations subject to classification requirements, and on LEVER/ARM diesel engine packages where uptime is central to vessel schedules or power contracts. By combining LEVER/ARM mechanisms with ruggedized housings, contact ratings suitable for DC and AC control circuits, and corrosion-resistant materials, these components deliver long service life and predictable switching behavior.

Key characteristics and advantages of Electric components and switches

· Precise LEVER/ARM actuation for repeatable switch points
· Vibration-resistant design for engine-mounted service
· High ingress protection for oily, humid, and saline atmospheres
· Contact materials engineered for arc resistance and long life
· Clear terminal markings and standardized connectors for quick service
· EMC robustness to minimize false trips and signal noise
· Calibration stability across a wide temperature range
· Compact footprints to fit congested engine and skid layouts
· Compatibility with diesel, gas, and marine engine control schemes
· Designed for safety interlocks, permissives, and emergency shutdown

Why electric components and switches are critical for engine reliability

Engines depend on timely, accurate signals. If a position switch misreads due to a bent LEVER/ARM, fatigued spring, or worn cam, the control system can misinterpret fuel rack position, creating unstable load response or even failing to initiate a shutdown. Pitted contacts may generate heat and voltage drops, causing intermittent faults, nuisance alarms, or starter contactor chatter. Degraded sealing can allow moisture ingress, leading to corrosion, short circuits, and unexpected trips in heavy seas or high humidity.

The knock-on effects are costly: unplanned stoppages, extended troubleshooting, and elevated risk during maneuvers. In extreme cases, missed overspeed or low-oil-pressure trips expose the engine to severe damage. Keeping electric components and switches—including LEVER/ARM actuated devices—in top condition is therefore central to asset reliability, safety, and compliance with class and flag requirements.

Advantages of OEM spare parts suitable for Electric components and switches

OEM spare parts suitable for this category maintain the precise actuation profiles, contact materials, and sealing designs defined for the engine platform. That means consistent switch differentials, correct pre-travel and over-travel for each LEVER/ARM geometry, and dependable contact ratings under real-world load conditions. The result is stable control behavior and predictable maintenance intervals that support availability targets.

From a performance perspective, parts aligned with the engine builder’s specifications secure proper signal timing for start permissives, fuel admission, and shutdown logic. In terms of reliability, documented materials and tested assemblies resist vibration, salt spray, and thermal cycling. For the budget, correct-fit components reduce installation time, minimize rework, and lower lifecycle costs by preventing recurring intermittent faults. Regarding service life, durable housings, correct spring rates, and validated contacts extend mean time between failures—especially important for LEVER/ARM OEM parts where small dimensional deviations can have outsized effects on switch points.

MOPA — your partner for LEVER/ARM electric components and switches

MOPA is an experienced and reliable partner for OEM spare parts in Electric components and switches. We support operators of diesel and gas engines with rapid sourcing, strict quality control, and secure, traceable transactions. Our team cross-references part numbers, assists with technical identification of LEVER/ARM mechanisms and switch variants, and coordinates logistics to meet tight dry-dock or port-call windows.

With a focus on speed, quality, and security, MOPA helps shipowners, power producers, and industrial operators keep control systems aligned with specification. From engine-mounted limit switches and safety trips to cabinet-based relays and contactors, we supply the OEM parts you need for reliable marine engine and diesel engine operation—backed by documentation and careful handling from order to delivery.

Typical LEVER/ARM applications supported by MOPA

Fuel rack position switches, throttle and governor linkage feedback, cam-driven limit switches for timing verification, neutral safety interlocks on gear selectors, and emergency shutdown trip arms. Each application benefits from the right actuation geometry, contact rating, and environmental protection to perform flawlessly in demanding engine environments.

Conclusion: LEVER/ARM components in engine systems

Electric components and switches—especially LEVER/ARM actuated devices—are foundational to safe, efficient marine and diesel engine operation. Selecting OEM spare parts suitable for this category preserves calibration, fit, and durability, protecting uptime and reducing lifecycle cost. Partner with MOPA to source the correct components quickly and securely, keeping your engines controlled, protected, and ready for service.

Filter products

LEVER/ARM - 51482305002 suitable for MAN D-engines
LEVER/ARM - 51482305002 suitable for MAN D-engines

Precise and Functional Components for Your EnginesOur lever/arm with the comparison number 51482305002 is the ideal OEM replacement part, suitable for MAN D engines. This electric component is crucial for the control and functionality of your engine. Weighing only 0.083 kg, this OEM replacement part impresses with its robust construction and reliability.Quality Through Family CraftsmanshipThis offering is aimed at users searching for a suitable lever/arm. Suitable for MAN D engines, this component should not be missing in any professional engine equipment. The experience of our family business in its second generation stands for consistent product quality and reliability of our parts.

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LEVER/ARM - 04346220 suitable for MWM & Deutz engines
LEVER/ARM - 04346220 suitable for MWM & Deutz engines

Optimal Lever for Your Engine ApplicationsThe lever with the reference number 04346220 is an extremely reliable OEM replacement part that meets the demands of your engines. This replacement part is particularly suitable for applications in marine and stationary use, as it has been specifically designed for MWM & Deutz engines.Highest Standards Through Internal ControlAs a qualified supplier, our OEM replacement parts undergo strict internal controls. Our lever meets the quality criteria essential for engines from these renowned manufacturers, thus ensuring you receive an excellent product that is powerful and durable.

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LEVER/ARM - 0008303931 suitable for MTU engines
LEVER/ARM - 0008303931 suitable for MTU engines

Premium Product with Comparison Number 0008303931Discover our premium lever/arm product with the comparison number 0008303931, compatible with MTU engines. This OEM replacement part offers a perfect solution for your requirements and is specifically designed for the category electric components and switches.

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Sale price: €31.44 Regular price:€34.93(10% saved)
LEVER/ARM - 02280939 suitable for MWM & Deutz engines
LEVER/ARM - 02280939 suitable for MWM & Deutz engines

Reliable Lever/Arm with Comparison Number 02280939Discover the lever/arm with comparison number 02280939, suitable for MWM & Deutz engines. This precise product belongs to the article group of electric components and switches and offers excellent performance in your application. Rely on the quality that we provide for our OEM replacement parts.

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LEVER/ARM - 04066276 suitable for MWM & Deutz engines
LEVER/ARM - 04066276 suitable for MWM & Deutz engines

Precise OEM Replacement Part: Lever/arm with Comparison Number 04066276We are pleased to present our outstanding product, the lever/arm with comparison number 04066276. This OEM replacement part is specifically designed and suitable for MWM & Deutz engines and belongs to the group of electric components and switches.Quality and Performance in ActionThis lever/arm, weighing 1.2 kg, offers excellent functionality for engines that require precise control. Through comparison number 04066276, we ensure that you acquire a quality product manufactured to the highest standards. Rely on the performance that OEM replacement parts provide.

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LEVER/ARM - 5050602826 suitable for MTU engines
LEVER/ARM - 5050602826 suitable for MTU engines

Particularly Suitable Spare Part for Efficient EnginesDiscover the Lever/arm with the comparison number 5050602826, an excellent OEM spare part from our product line, specially designed for high demands and essential for supporting your engines. This spare part is tailored to optimize the performance and reliability of your equipment. Whether in marine or stationary applications, our products impress with their quality and captivate with their suitability.Suitable for MTU Engines of Series 331The Lever/arm with the comparison number 5050602826 is suitable for MTU engines of series 331. Weighing 175.6 kg, this component offers the mobility needed to maximize the efficiency of your engines. You can rely on the precise fit and robust materials in this OEM spare part to help you minimize operating costs and avoid equipment losses.

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Sale price: €8,565.45 Regular price:€9,517.17(10% saved)
LEVER/ARM - 02280608 suitable for MWM & Deutz engines
LEVER/ARM - 02280608 suitable for MWM & Deutz engines

Precision in Every Detail: Lever/arm with Comparison Number 02280608Discover our high-quality lever/arm, designed as an OEM replacement part. The comparison number 02280608 allows for easy identification. This product is suitable for MWM & Deutz engines and sets new standards in functionality and reliability. Our extensive experience in the field of engine parts makes this product indispensable for your operation.Features That Convince: A Robust ProductWeighing only 0.3 kg, the lever/arm stands out not only for its lightness but also for its durability. This OEM replacement part is crucial for the effective performance of your machines, suitable for various requirements in marine and stationary engine technology. Trust a product specifically designed for MWM & Deutz engines.

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LEVER/ARM - 04339542 suitable for MWM & Deutz engines
LEVER/ARM - 04339542 suitable for MWM & Deutz engines

Precise Technology: The Lever for EnginesDiscover our OEM replacement part, the lever with comparison number 04339542. This product impresses with precision and reliability. The replacement part is suitable for MWM & Deutz engines and meets the demands of functional quality.

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LEVER/ARM - 04443251 suitable for MWM & Deutz engines
LEVER/ARM - 04443251 suitable for MWM & Deutz engines

Lever suitable for MWM & Deutz enginesDiscover the product with the comparison number 04443251, an essential lever suitable for MWM & Deutz engines. This OEM replacement part ensures that your engine operates reliably and functions optimally.Quality of OEM replacement parts from MOPA MotorpartsAs a second-generation family business, we offer you OEM replacement parts of the highest quality. The product range includes items that undergo stringent testing to ensure maximum reliability.

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LEVER/ARM - 02064649 suitable for MWM & Deutz engines
LEVER/ARM - 02064649 suitable for MWM & Deutz engines

Optimal Replacement Part for Precise ControlDiscover the lever/arm with the comparison number 02064649, a turnkey OEM replacement part designed for the highest demands in performance technology. Weighing 0.337 kg, this lever/arm ensures reliable functions in your applications.

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LEVER/ARM - 04316984 suitable for MWM & Deutz engines
LEVER/ARM - 04316984 suitable for MWM & Deutz engines

Reliable OEM Replacement Part for EnginesDiscover our lever/arm with the comparison number 04316984, an essential OEM replacement part, perfectly suitable for MWM & Deutz engines. This product belongs to the category of electric components and switches and is crucial for the safe functionality of your engines in marine and stationary applications.Quality Through Effective ControlsThe comparison number 04316984 ensures the highest quality. Every OEM replacement part, including our lever/arm, undergoes strict internal controls to ensure optimal performance. Rely on our expertise in providing components that are suitable for MWM & Deutz.

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LEVER/ARM - 50177100001 suitable for MAN D-engines
LEVER/ARM - 50177100001 suitable for MAN D-engines

Reliable Replacement Part: The Lever 50177100001Discover the lever with the comparison number 50177100001. This OEM replacement part belongs to the group of electric components and switches and has been specifically designed for use in MAN D engines. Weighing only 0.32 kg, this lever provides the performance and reliability you need for your operations.

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Sale price: €62.36 Regular price:€69.29(10% saved)
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LEVER/ARM - 8370941030 suitable for MTU engines
LEVER/ARM - 8370941030 suitable for MTU engines

Excellent Product for Your Engine SolutionsDiscover our product: the lever/arm with the comparison number 8370941030, designed to be compatible with MTU engines. As part of the category of electric components and switches, this part offers an optimal fit and reliability for all applications. Rely on over 25 years of expertise in the supply of electric components and switches for diesel and gas engines.Familiarity from an Established Business PartnerOur company is a second-generation family business specializing in engines. We know the industry's requirements thoroughly and ensure that the products meet our high standards. The lever/arm, compatible with MTU, is characterized by functionality and durability, which is essential for your applications.

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Sale price: €40.80 Regular price:€45.33(10% saved)
LEVER/ARM - 02162698 suitable for MWM & Deutz engines
LEVER/ARM - 02162698 suitable for MWM & Deutz engines

Effective Lever/Arm with Replacement Number 02162698Discover our effective lever/arm with the replacement number 02162698, which provides essential OEM spare part precision for your applications. This electric component ensures reliable control and supports the smooth operation of your engines.Optimal Solution for MWM & Deutz EnginesThis lever/arm is specifically designed for use in engines compatible with MWM & Deutz. Weighing 0.464 kg, it features solid craftsmanship. Rely on the industry-standard quality that many of our customers appreciate.

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LEVER/ARM - 51482306002 suitable for MAN D-engines
LEVER/ARM - 51482306002 suitable for MAN D-engines

Reliable Lever for Effective ApplicationsDiscover the lever with the reference number 51482306002, which is an essential OEM replacement part for your project. This product is ideally suited for electric components and switches and offers ease of use. Weighing only 0.06 kg, this lever can be easily mounted.Compatible with MAN D – Quality and ReliabilityThe reference number 51482306002 identifies this OEM replacement part, designed for MAN D engines. Our many years of experience in the industry ensure that you receive the best replacement parts. Every model we offer meets the highest standards and is available from our large stock.

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LEVER/ARM - 81482300064 suitable for MAN D engines
LEVER/ARM - 81482300064 suitable for MAN D engines

LEVER/ARM with the comparison number 81482300064 suitable for MAN D engines

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LEVER/ARM - 3825366 suitable for Volvo/Volvo Penta engines
LEVER/ARM - 3825366 suitable for Volvo/Volvo Penta engines

Ultimate Lever/arm: Comparison Number 3825366Discover our product with comparison number 3825366. The lever/arm is an essential OEM replacement part specifically designed to provide top-notch functionality across various applications. Weighing only 0.062 kg, the lever/arm is easy to handle and robust enough for demanding operating conditions.

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Sale price: €88.51 Regular price:€98.35(10% saved)
LEVER/ARM - 1 422 033 051 suitable for Bosch engines
LEVER/ARM - 1 422 033 051 suitable for Bosch engines

Excellent Product: Lever/arm Suitable for MWM & Deutz EnginesDiscover our OEM replacement part, the Lever/arm, suitable for MWM & Deutz engines. This well-thought-out Lever/arm carries the comparison number 1 422 033 051 and combines precision with functionality. Weighing only 0.09 kg, it is ideal for demanding applications in marine and stationary technology as well as in locomotive construction.

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LEVER/ARM - 12082798 suitable for MWM & Deutz engines
LEVER/ARM - 12082798 suitable for MWM & Deutz engines

Powerful Lever for EnginesDiscover our readily available OEM replacement part: the lever with the comparison number 12082798. This product ensures maximum efficiency and accuracy in your applications where reliability is essential. Handpicked and directly from the manufacturer, the lever is the ideal replacement part suitable for MWM & Deutz engines.

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LEVER/ARM - 83971160651 suitable for MAN D engines
LEVER/ARM - 83971160651 suitable for MAN D engines

LEVER/ARM with the comparison number 83971160651 suitable for MAN D engines

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Sale price: €39.10 Regular price:€43.45(10% saved)
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LEVER/ARM - 4071400525 suitable for MTU engines
LEVER/ARM - 4071400525 suitable for MTU engines

Quality in Every Detail The lever with the comparison number 4071400525 is a reliable OEM replacement part that is ideally suited for use in engines. Wherever precision and efficiency are essential, this product ensures that your machines operate flawlessly. Trust in OEM components that meet the highest standards.Suitable for Your MTU Engines This product is suitable for MTU engines and provides an optimal combination of functionality and performance. With the comparison number 4071400525, this lever offers a solution that is ideal for applications in marine and stationary technology. Invest in this lever to ensure the best possible performance of your engines!

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Sale price: €277.88 Regular price:€308.75(10% saved)
LEVER/ARM - 04340915 suitable for MWM & Deutz engines
LEVER/ARM - 04340915 suitable for MWM & Deutz engines

Lever/Arm with Comparison Number 04340915Discover the lever/arm with the comparison number 04340915, a top-quality product specifically designed for engines compatible with MWM & Deutz. This OEM replacement part belongs to the group of electric components and switches and is highly regarded for its reliability and functionality.

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LEVER/ARM - 02068346 suitable for MWM & Deutz engines
LEVER/ARM - 02068346 suitable for MWM & Deutz engines

Robust Spare Part for Reliable EnginesDiscover our OEM spare part, the lever/arm with comparison number 02068346. This product is suitable for your MWM & Deutz engines and is ideal for various applications. Weighing only 0.383 kg, this spare part combines lightness with stable performance.Functionality of OEM Spare PartsThe lever/arm is classified under electric components and switches and contributes to the smooth functionality of your engines that are suitable for MWM & Deutz. Manufactured to a high standard, you can rely on the quality and reliability of the product. OEM spare parts at MOPA Motorparts offer the best value for money.

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LEVER/ARM - 5080612919 suitable for MTU engines
LEVER/ARM - 5080612919 suitable for MTU engines

Premium Lever/arm for Efficient Engine ApplicationsDiscover our quality product, the lever/arm with the comparison number 5080612919. This OEM spare part is specified for use in industrial applications, particularly in engines. The lever/arm provides the usual functionality and reliability that MTU engines require.Compatible Component for MTU EnginesOur product is precisely designed and suitable for MTU engines. With this solution, you ensure compact design and optimal integration into your existing system. The suitability of our OEM spare parts maximizes the precision of function, allowing your engine to run efficiently and safely.

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