FLANGE
FLANGE components for holders, plates and flanges in marine and diesel engines
Holders, plates and flanges are precision mounting and joining elements that keep critical engine systems aligned, sealed and structurally sound. In high-output diesel and gas engines—on vessels, in power plants or industrial applications—these components transmit loads, prevent leaks and maintain the exact geometry required for reliable operation. Whether securing a pump bracket, closing a service opening with a stiffening plate or joining pipework via a FLANGE connection, this article category underpins performance and safety across the entire drivetrain.
Because engines operate under vibration, thermal cycling and fluctuating pressures, the integrity of holders, plates and flanges is decisive. High-quality materials, accurate machining and proven sealing concepts ensure that lubrication, fuel, coolant and exhaust systems remain stable even under harsh marine conditions.
Technical function of holders, plates and FLANGE assemblies in a diesel engine
Each element in this category serves a specific role. Holders and brackets support auxiliaries—filters, sensors, fuel rails, charge-air coolers and cable trays—while maintaining precise alignment. Plates act as cover, spacer or adapter components, adding stiffness, distributing loads and closing machining ports. FLANGE assemblies join housings and pipelines for coolant, lube oil, fuel and exhaust, creating repeatable, serviceable interfaces that resist pressure and vibration.
On a marine engine, FLANGE connections are engineered to withstand cyclic loading and corrosion. Correct bolt patterns, surface flatness and gasket groove geometry deliver reliable compression, preventing micro-leakage and loss of system efficiency. In a turbocharger oil feed, for example, a correctly machined FLANGE prevents aeration and pressure drops that could shorten bearing life. In exhaust lines, a robust FLANGE minimizes leak paths that would increase backpressure and elevate thermal load on valves and turbo machinery. With OEM parts, consistency in dimensions, material grades and heat treatment ensures predictable torque retention and long-term performance.
- · Precise alignment of auxiliaries and pipework.
- · High structural rigidity and vibration resistance.
- · Reliable sealing under pressure and thermal cycling.
- · Corrosion-resistant materials and protective coatings.
- · Service-friendly, repeatable assembly and disassembly.
- · Compatibility with engine-specific bolt patterns and gaskets.
Material selection is crucial. Stainless and alloy steels resist pitting and crevice corrosion in salt-laden atmospheres; carbon steels with surface treatments offer high strength and cost efficiency. Surface finish and flatness control in FLANGE faces protect gaskets—spiral-wound, RTJ or elastomeric—from extrusion and blow-by. Dowel pins or locating steps ensure plates and holders set the right geometry, preventing soft-foot conditions and misalignment that could escalate vibration.
Why holders, plates and FLANGE parts are critical for engine reliability
Small deviations at mounting interfaces often cascade into costly failures. Worn holders allow accessory movement, increasing belt or coupling misalignment and accelerating bearing wear. Distorted plates reduce stiffness, promoting resonance and fatigue in attached components. Damaged FLANGE faces or improper fastener torque create leaks that degrade lubrication, reduce coolant efficiency or pose a fire risk in fuel systems.
Common issues when these parts are out of specification include:
Typical failure modes in FLANGE and mounting hardware
Fretting and galling on contact surfaces, thread pull-out from over-torque or thermal cycling, gasket creep leading to loss of preload, and corrosion under insulation in marine environments. Each of these undermines sealing or geometry, impacting efficiency and service life. Proactive replacement with correctly engineered parts restores designed clearances, clamping forces and alignment, preserving engine stability at all loads.
Advantages of OEM spare parts suitable for holders, plates and flanges
Choosing OEM spare parts for this article category secures dimensional accuracy and material traceability. That translates into faster installation, stable preload and consistent sealing behavior over thousands of operating hours. For FLANGE interfaces in a diesel engine or a marine engine, OEM spare parts ensure the correct surface roughness, parallelism and gasket groove specification—details that directly influence leak tightness and pressure retention.
- · Drop-in fit that reduces downtime and rework.
- · Verified material grades for strength and corrosion resistance.
- · Consistent FLANGE face finish for reliable gasket performance.
- · Accurate bolt-hole patterns and locating features.
- · Documentation and traceability that support class and compliance.
- · Lower total cost of ownership through extended service intervals.
Because FLANGE OEM parts and matched holders and plates are engineered to the engine builder’s specifications, they maintain the designed stiffness of assemblies and the correct preload path through fasteners and gaskets. This stability minimizes loosening under vibration, preserves pump and turbo alignment, and protects against thermal distortion. Over a full maintenance cycle, the result is consistently higher efficiency and fewer unplanned stoppages.
Performance and lifecycle benefits with FLANGE OEM parts
When FLANGE interfaces and mounting plates are renewed using OEM spare parts, operators typically see improved tightness in lube and fuel circuits, reduced exhaust leakage, and cleaner data from sensors that rely on rigid holders. These improvements feed directly into safer operation, lower emissions and predictable maintenance planning.
MOPA as your partner for OEM FLANGE parts, holders and plates
MOPA supplies OEM spare parts for holders, plates and flanges with a focus on speed, quality and security. For diesel and gas engines in marine and power generation service, MOPA provides quick quotations, reliable lead times and carefully controlled logistics. Cross-referencing by engine model and serial number helps ensure the right FLANGE, holder or plate reaches your site without delays.
With MOPA, purchasers and shipowners benefit from technically competent support, high stock availability and robust documentation. From a single FLANGE for a cooling line to complete sets of mounting plates for an overhaul, MOPA streamlines procurement, reduces off-hire risk and reinforces the integrity of your engine systems.
Conclusion
Holders, plates and flanges form the structural and sealing backbone of every engine, defining alignment, rigidity and leak-tight operation. Selecting OEM spare parts suitable for this category preserves performance, protects budgets and extends service life. For dependable sourcing of FLANGE and related components, MOPA delivers the speed and quality that mission-critical diesel and gas engines demand.
FLANGE with the comparison number 81981120075 suitable for MAN D engines
Flange suitable for reliable performance: Reference number 51981120250The flange with the reference number 51981120250 is an essential product, compatible with MAN D engines. As an OEM spare part, it ensures the highest quality and functionality. As part of the category Holders, plates and flanges, it ensures that it optimally complements the specific requirements of the engines.OEM spare parts for the highest standardsWith OEM spare parts, this means that only the manufacturer's specifications are considered in the production. Compared to aftermarket parts, which often make compromises, our OEM spare parts stand for the efficiency that your MAN D engines require. This way, you are on the safe side!
Robust Flange with Comparison Number 02087335Discover our flange with the comparison number 02087335, specifically designed to meet the demands of industrial applications in engines. This product is part of the product group Holders, plates and flanges and offers an optimal fit for diesel and gas engines. By using top-quality materials, the flange ensures durability and solid performance.Performance and Compatibility for MWM & DeutzThis flange is compatible with MWM & Deutz engines and impresses with its careful processing. The OEM replacement part ensures that your engine operates efficiently and provides the reliability that is required. Weighing just 0.38 kg, the flange is lightweight and robust.
Flange with Comparison Number 0001720245 Discover the flange with the comparison number 0001720245, an essential OEM spare part that meets your requirements. This flange, part of the article group "Holders, plates and flanges," offers a reliable solution for your MTU engines.Qualitative Solution for Your Engines The OEM spare part is optimally suited for connecting components in your engines. Suitable for MTU engines, this product ensures longevity and outstanding performance, allowing your systems to operate seamlessly.
Flange for Your Engine NeedsThe flange with the reference number 197C01501 is a top-quality OEM replacement part specifically designed for MTU engines. This flange belongs to the product group Holders, plates and flanges and will help keep your machines running efficiently.Precision for MTU EnginesOur OEM replacement parts are characterized by excellent quality, especially this product. The precise manufacturing of the flange ensures durability and is therefore the optimal component for MTU engines of the highest demands.
Flange suitable for MAN D enginesDiscover our flange with the part number 51063120101, an essential OEM spare part for your machines. This product is suitable for MAN D engines and plays a central role in the article group Holders, plates and flanges.Reliability in EnginesOur OEM spare part offers high reliability and durability, tailored to the specific requirements of MAN D engines. Benefit from the quality that you can expect from a part number 51063120101 part – an optimal solution for your spare parts logistics.
Flange with Comparison Number 115A09705Discover the flange with the comparison number 115A09705, an essential OEM spare part for your engines. This product is suitable for MTU and represents high quality and precision. With this spare part, you can enhance the efficiency of your drive systems.Quality Without CompromiseThe importance of OEM spare parts is evident with this flange, which has been specifically designed to meet the highest standards. The spare part ensures reliable fit and is therefore the ideal choice for engines that require continuous performance.
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Flange 3584177 – Ideal for Your EnginesThe flange with the comparison number 3584177 is an essential component specifically designed to meet the demands of engines. This spare part, suitable for Volvo/Volvo Penta engines, ensures that your engines operate both reliably and efficiently.
Indispensable OEM spare part: Flange for MTU enginesDiscover our product, the flange, which is marked with the comparison number 4019975250. This OEM spare part is suitable for MTU engines and ensures optimal functionality of your systems.
Flange Description: Comparison Number X52612300129 Discover our flange with the comparison number X52612300129, suitable for MTU engines. This OEM replacement part belongs to the product category holders, plates and flanges and delivers ideal results for your applications.Quality through OEM Replacement Parts We only offer top-quality OEM replacement parts. The fit of our replacement parts, including the flange, ensures that your engines run optimally. The comparison number X52612300129 stands for performance and reliability.
Flange for Reliable ApplicationsDiscover the spare part flange with the comparison number 28362000446/0, specially designed for MTU engines. This product belongs to the article group holders, plates and flanges and offers outstanding fit. Rely on the quality that you can expect from leading manufacturers and over 25 years of experience.
### Product Description: Flange – Comparison Number 5561425415Premium Flange Suitable for MTU Engines Discover the flange with the comparison number 5561425415, specifically designed to meet the needs of MTU engines. This product is the perfect solution for your requirements and ensures that your engines operate continuously at the highest performance level. With its specific fit and qualification, this flange provides the optimal foundation for use in series 331 and 396, making it the ideal choice for demanding applications.OEM Spare Parts and Quality in Comparison We place great value on the quality of our products – our flange is an OEM spare part that has been thoroughly tested. OEM spare parts are the safest choice for the maintenance and repair of engines, as they undergo comprehensive testing compared to aftermarket parts and meet specific requirements. With an OEM spare part like the flange, it is ensured that your MTU engines always operate efficiently and reliably.
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FLANGE with the comparison number 81066040036 suitable for MAN D engines
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