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GEAR RIM gears and toothed wheels for high‑performance engines

Gears and toothed wheels form the mechanical heart of engine-driven power transmission. Within this article category, components such as spur and helical gears, pinions, planetary stages, bevel gears, and the GEAR RIM ring gear translate crankshaft rotation into controlled motion for timing systems and auxiliaries. In heavy-duty diesel and marine engine applications, these precision parts enable reliable starts, synchronized valve timing, power take-off, and quiet, efficient operation under sustained load.

Because gears and toothed wheels directly transfer torque and define speed ratios, their accuracy and durability determine how smoothly an engine runs, how efficiently it delivers power, and how long major assemblies last. Whether it is a flywheel GEAR RIM for a marine engine starter, a high-precision timing gear set in a diesel engine, or a planetary ring gear in a reduction gearbox, the right geometry, material, and heat treatment make the decisive difference.

Technical function of GEAR RIM gears and toothed wheels in diesel and marine engine systems

In engines, gears and toothed wheels convert rotational energy into controlled torque and speed. The timing gear train couples the crankshaft to the camshaft(s), fuel injection pump, and ancillary drives. Here, gear ratio, module, pressure angle, and face width set the basis for load capacity and accuracy. Tooth contact ratio and backlash determine how smoothly load transfers across the mesh, affecting noise, vibration, and efficiency. Finely ground flanks with optimized micro-geometry (profile and lead corrections, crowning) distribute load evenly, limiting pitting and scuffing under boundary lubrication.

A GEAR RIM plays two prominent roles. First, the flywheel GEAR RIM provides the ring gear that the starter pinion engages, allowing high-torque cranking with reliable tooth entry and minimal wear. Second, in planetary systems used for power take-off or speed reduction, the GEAR RIM acts as the stationary or rotating ring gear, defining the overall ratio and torque multiplication. In both cases, consistent tooth hardness, case depth, and concentricity safeguard smooth meshing and long service life.

Materials and treatments are matched to demanding duty cycles: alloy steels with case hardening (e.g., carburized to achieve 58–62 HRC on the flanks) resist surface fatigue; nitriding may be specified for dimensional stability; shot peening can enhance tooth-root strength. Accurate machining to ISO gear quality classes controls pitch error and runout, while correct backlash and lead alignment preserve an oil film that minimizes frictional losses. In harsh marine environments, corrosion-resistant finishes and effective lubrication strategies further protect tooth integrity. Precision GEAR RIM OEM parts manufactured to tight tolerances ensure consistent fit with mating pinions in both diesel engine and marine engine applications.

  • · High torque density with compact dimensions.
  • · Precise speed ratios and synchronization.
  • · Low slip and high mechanical efficiency.
  • · Robust tooth forms for shock and cyclic loads.
  • · Optimized micro-geometry for low noise and vibration.
  • · Material and heat treatment engineered for long life.
  • · Configurations include spur, helical, bevel, planetary, and GEAR RIM ring gears.
  • · Designed to fit tightly with related OEM parts and assemblies.

Why gears and toothed wheels are critical for engine reliability and service life

If gears and toothed wheels degrade, multiple failure modes threaten engine uptime. Excessive backlash or wear can skew valve timing, raising emissions and fuel consumption. Pitting, scuffing, or micro-pitting on tooth flanks increases vibration and noise, accelerating bearing and seal wear. A damaged flywheel GEAR RIM risks starter mis-engagement, chipped teeth, and hard starts. Misaligned or out-of-round gears overload tooth roots and shorten fatigue life. Contaminated lubricant spreads wear particles through the system, compounding damage across the gear train and ancillary components. In short, maintaining precise geometry and surface integrity directly preserves performance, safety, and lifecycle cost.

Advantages of OEM spare parts suitable for gears and toothed wheels

Choosing OEM spare parts suitable for gears and toothed wheels secures the dimensional fidelity and metallurgical consistency that demanding engines require. Exact module, pressure angle, lead, and tooth modifications reduce mesh deviation and keep backlash within specification. Controlled case depths and hardness profiles deliver predictable load-sharing and fatigue resistance, while ground surface finishes lower noise and enhance efficiency. Using a flywheel GEAR RIM OEM spare part matched to the starter pinion minimizes impact loads during engagement and stabilizes cranking performance.

Beyond performance, the right OEM components protect budgets. Stable meshing reduces collateral wear on mating gears, bearings, and seals, extending overhaul intervals and lowering unplanned downtime. Traceable manufacturing and rigorous inspection (tooth profile, pitch variation, runout) improve risk management during class surveys and major services on diesel and gas engines. In short, OEM spare parts suitable for this category sustain reliability, optimize total cost of ownership, and support long-term service life without compromising safety or efficiency.

MOPA as your partner for GEAR RIM OEM parts and gears and toothed wheels

MOPA is an experienced, reliable partner for OEM spare parts in the category of gears and toothed wheels. We source and supply GEAR RIM OEM parts for marine engine and diesel engine applications with a focus on speed, quality, and security. Fast response times and efficient logistics keep assets turning, while stringent quality processes ensure geometry, heat treatment, and surface finish meet demanding engine requirements. Secure, documented sourcing protects your operation against supply risk, and our technical expertise helps match each gear, pinion, or ring gear precisely to its application across diesel and gas engines.

Conclusion on GEAR RIM gears and toothed wheels

Gears and toothed wheels—especially the GEAR RIM in flywheels and planetary systems—are fundamental to engine performance, efficiency, and reliability. Selecting OEM spare parts suitable for this category preserves precise meshing, reduces lifecycle costs, and sustains dependable operation in marine and industrial powertrains.

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GEAR RIM - 3853143 suitable for Volvo/Volvo Penta engines
Discover Gear Rim by Comparison Number 3853143Discover the gear rim suitable for Volvo/Volvo Penta engines with the comparison number 3853143. This product impresses with precise workmanship and reliable performance, essential for smooth operation. Weighing 0.702 kg, this gear rim is an ideal addition to your drive technology.
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€166.28* €184.76*(10% saved)
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GEAR RIM - 3582646 suitable for Volvo/Volvo Penta engines
Efficient Gear Rim for Optimal PerformanceDiscover our top-quality product, the gear rim with the comparison number 3582646. This OEM spare part is specifically designed to fit perfectly in your machines and enable above-average performance.Suitable for Volvo/Volvo Penta EnginesOur gear rim is especially suitable for engines that are manufactured for Volvo/Volvo Penta. With this precise fit, you ensure the efficient function that you expect from OEM spare parts. This product provides you with an effective solution for gears and toothed wheels.
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€200.09* €222.33*(10% saved)
GEAR RIM - 632403750034 suitable for MWM & Deutz engines
Discover the Gear Rim with Comparison Number 632403750034Discover the gear rim with the comparison number 632403750034 – an essential product from our selection in the "Gears and toothed wheels" category. This gear rim ensures reliability and customization: Suitable for MWM & Deutz engines, this item is predestined for maritime and stationary use.Precision for MWM & Deutz EnginesWith a weight of 4.8 kg, our OEM spare parts meet the highest quality standards. This gear rim is optimal for the ideal operation of engines and fits seamlessly into your infrastructure. Rely on precise and robust components developed specifically for MWM & Deutz engines for maintenance and repair.
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GEAR RIM - 03356053 suitable for MWM & Deutz engines
Reliable Gear Rim – Comparison Number 03356053Discover our gear rim with the comparison number 03356053, an essential OEM spare part for various applications. This product is specifically suitable for MWM & Deutz engines and offers features that ensure the quality of your systems. This gear rim belongs to the product category "Gears and toothed wheels" and is ideal for keeping your engines running optimally.Lightweight Construction for Versatile UseWeighing only 0.8 kg, the gear rim is lightweight yet robust enough to be used in different engine applications. This OEM spare part has been designed for performance and durability, allowing you to rely on the functionality of your MWM & Deutz engines. Opt for top-quality spare parts that do not compromise on efficiency and longevity.
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GEAR RIM - 85000011961 suitable for MAN D engines
GEAR RIM with the comparison number 85000011961 suitable for MAN D engines
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€988.42* €1,098.24*(10% saved)
GEAR RIM - 03353763 suitable for MWM & Deutz engines
Robust Gear Rim OEM Replacement PartDiscover the powerful Gear Rim OEM replacement part with the comparison number 03353763. This replacement part from the category Gears and toothed wheels is ideally suitable and compatible for users of MWM & Deutz engines.Quality and Performance through OEM Replacement PartsThe Gear Rim OEM replacement part with the comparison number 03353763 stands for top product performance. It is compatible with renowned manufacturers such as MWM & Deutz and supports reliable functionality in your applications.
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GEAR RIM - 02146190 suitable for MWM & Deutz engines
Gear Rim – Reliable Spare Part for EnginesExperience the gear rim (comparison number: 02146190), an outstanding product from the category Gears and toothed wheels. This OEM spare part offers precise fit and top performance. Weighing 1.3 kg, the gear rim combines lightness and robustness – ideal for professional use.
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€1,315.67* €1,461.85*(10% saved)
GEAR RIM - 642093750014 suitable for MWM & Deutz engines
Gear Rim for Reliable ApplicationsAre you looking for a reliable gear rim? The comparison number 642093750014 indicates an OEM spare part that ensures top-quality for engines. With its solid weight of 9.4 kg, this product is ideal for daily use and ensures that your machines can operate at their best.Suitable for MWM & Deutz EnginesThe gear rim product is compatible with MWM & Deutz engines as well as applications in marine and stationary technology. The comparison number 642093750014 shows that we offer OEM spare parts in original equipment quality. Rely on dependability with a spare part that meets your requirements and should not be missing in your high-quality equipment.
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GEAR RIM - 03322707 suitable for MWM & Deutz engines
Excellent Gear Rim for Your ApplicationsDiscover our product, the gear rim with the comparison number 03322707. This top-quality OEM spare part is specifically designed to meet the demands of your engines. With a weight of only 0.4 kg, it allows for effortless integration into various applications.
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GEAR RIM - 12018522 suitable for MWM & Deutz engines
Efficient Gear Rim for Your EnginesDiscover our OEM replacement part, the gear rim with the comparison number 12018522. This item belongs to the group Gears and toothed wheels and is suitable for MWM & Deutz engines. It offers precise fit for the demanding applications in today's industry.Reliable Quality through Internal ControlThe tested quality of our products is based on extensive internal controls. Each OEM replacement part is evaluated according to the highest standards to ensure that you receive trustworthy components for your engines.
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GEAR RIM - 630203750034 suitable for MWM & Deutz engines
Reliable Spare Part for EnginesDiscover the gear rim with the comparison number 630203750034 – a top-notch product in the category of gears and toothed wheels. This expertly developed OEM spare part ensures optimal fit for engine applications. Rely on the quality that can reliably support your applications.
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GEAR RIM - 12164673 suitable for MWM & Deutz engines
Product Information for Gear RimDiscover our quality product, the gear rim with the comparison number 12164673. This gear rim is a modern OEM replacement part that meets important requirements in the category "Gears and toothed wheels." Weighing 2.4 kg, it provides the stability you need for the long-term operation of engines.Gear Rim Suitable for MWM & Deutz EnginesOur gear rim is suitable for MWM & Deutz engines in various applications. The careful manufacturing according to OEM standards ensures that the product is particularly durable and functional. Trust in MOPA Motorparts' over 25 years of experience in providing reliable engine replacement parts!
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GEAR RIM - 03357236 suitable for Deutz engines
GEAR RIM with the comparison number 03357236 suitable for Deutz engines
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€253.25* €281.39*(10% saved)
GEAR RIM - 10000862 suitable for MWM & Deutz engines
Precision and Performance with Gear RimExplore our top-quality gear rim, comparison number 10000862, which meets high standards for diesel and gas engines. This OEM replacement part ensures precision and durability that reflect in the operation of your machines.
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GEAR RIM - 3843041 suitable for Volvo/Volvo Penta engines
Comparison Number 3843041: Precise Gear Rim Replacement PartThe replacement part with comparison number 3843041 is a gear rim specifically designed to optimize the performance of your engines. This product weighs only 0.18 kg and is suitable for all common Volvo/Volvo Penta engines. Rely on the precision and durability that only OEM replacement parts can provide.Quality of OEM Replacement PartsYou can depend on the quality of the OEM replacement parts available in our assortment. As a second-generation family business, we place great importance on products that deliver exceptional performance. Each component is designed to provide long-term efficiency and reliability for engines. With our gear rim, your applications will always remain efficient.
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€515.15* €572.39*(10% saved)
GEAR RIM - 04403300 suitable for MWM & Deutz engines
Gear rim with comparison number 04403300Our gear rim with comparison number 04403300 is an indispensable OEM spare part specifically designed for gears and toothed wheels. This product belongs to our extensive range of spare parts and is perfectly suited for applications in engines.Optimal supply for MWM & Deutz enginesThe OEM spare part is compatible with MWM & Deutz engines and offers outstanding performance and durability. By using selected materials, this gear rim meets the highest performance standards.
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GEAR RIM - 02282943 suitable for MWM & Deutz engines
Ready for use: Gear rim with comparison number 02282943Experience the gear rim with the comparison number 02282943, an indispensable element for transmission technology in engines. This product belongs to the category of gears and toothed wheels and offers reliable power transmission. Weighing 60 kg, the gear rim is extremely stable and can be optimally integrated into your system.Suitable for MWM & Deutz engines: Pure reliabilityThe gear rim is precisely designed for MWM & Deutz engines and ensures balanced functionality of your technical equipment. As an OEM replacement part, it meets the highest quality standards and provides you with a precise fit for your existing engines.
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GEAR RIM - 01306372 suitable for MWM & Deutz engines
Gear rim suitable for MWM & Deutz engines Secure the gear rim OEM spare part with the comparison number 01306372! This product is perfectly suited to the specific requirements of MWM & Deutz engines. Weighing 1.2 kg, this gear rim ensures a real improvement in the performance of your gears and toothed wheels.Precision and quality in focus The gear rim, developed as an OEM spare part, is suitable for the operational challenges of engines. Thanks to careful internal control, we meet the high standards of the industry. The comparison number 01306372 ensures that you receive a product tailored to the required specifications.
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€851.76* €946.40*(10% saved)
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GEAR RIM - 03362716 suitable for Deutz engines
Gear Rim with Comparison Number 03362716Discover our product, the gear rim with comparison number 03362716, ideally suited for detailed applications in gears and toothed wheels technology. This OEM spare part is characterized by excellent detailing that ensures smooth operation and maximum reliability. Weighing 1.5 kg, the gear rim is extremely robust and optimally tailored to the demands of your engines.Replacement Parts Precisely Fit for Deutz EnginesOur gear rim is precisely developed and therefore optimally suited for Deutz engines. The quality of the OEM spare parts provides you with an excellent result that may not be delivered by aftermarket products. Choose the outstanding result that only manufacturer parts can provide.
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€425.88* €473.20*(10% saved)
GEAR RIM - 12171106 suitable for MWM & Deutz engines
Quality of the Gear Rim: Comparison Number 12171106Experience the gear rim with the comparison number 12171106, an essential product for the gears and toothed wheels of your engines. This gear rim weighs 4.5 kg and impresses with its high precision and durability. The OEM replacement part is suitable for MWM & Deutz engines and offers excellent performance under various operating conditions.Reliable OEM Replacement Parts for Demanding ApplicationsWith the corresponding gear rim, you are making the right decision when it comes to the automation and functionality of your machines. By comparing it with aftermarket parts, this OEM replacement part stands out in terms of quality and fit. The product meets the stringent requirements of renowned manufacturers and ensures that your engine runs smoothly while minimizing operational disruptions.
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GEAR RIM - 04402672 suitable for MWM & Deutz engines
Premium Gear Rim for EnginesDiscover our gear rim with the comparison number 04402672, perfectly suited for use in robust engine applications. This OEM spare part is specifically designed for MWM & Deutz engines to ensure the reliable operation of diesel and gas engines.Optimal Performance for MWM & Deutz EnginesThe gear rim is a fundamental component that is critical in marine and stationary applications. Our product meets the highest quality standards and proves to be a suitable part for concerns where reliability is essential.
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GEAR RIM - 12168533 suitable for MWM & Deutz engines
Reliable Gear Rim for Gear ApplicationsDiscover the gear rim with the comparison number 12168533, designed for the highest demands. This gear rim is suitable for MWM & Deutz engines and ensures that your engines operate efficiently. Weighing 9.4 kg, the product offers stability and reliability in challenging applications.Excellent Quality with OEM Spare PartsThis item is an OEM spare part that meets the high standards of the industry. The gear rim impresses with its precise fit and durability, making it ideally suited for use in your engines. As an OEM spare part, it contributes to improving the overall performance and safety of your machines.
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GEAR RIM - 3843686 suitable for Volvo/Volvo Penta engines
Optimal Gear Rim Product for Your ApplicationDiscover our product, the gear rim with the comparison number 3843686, which is categorized under Gears and toothed wheels. This OEM replacement part offers an excellent fit and functionality that meets specific manufacturer specifications. The gear rim weighs 0.563 kg and impresses with its robustness.Suitable for Volvo/Volvo Penta EnginesOur gear rim is specifically developed for Volvo/Volvo Penta engines and provides you with the ideal solution to ensure operational reliability. With this OEM replacement part, you avoid compromises that often come with aftermarket products. Quality that lasts is essential for your business – rely on our product standards.
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€562.89* €625.43*(10% saved)
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GEAR RIM - 02247911 suitable for Deutz engines
Precise Component for Custom ApplicationsDiscover our premium product, the gear rim with the comparison number 02247911, designed for the specific requirements of engines. This component is optimized for both precision and durability to ensure reliable performance in operation. The gear rim is an OEM spare part that meets the highest industrial standards.
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€232.83* €258.70*(10% saved)