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 - OEM Replacement Part Comparison Number 628/17/117/05061530Discover our flange with the comparison number 628/17/117/05061530, an essential OEM replacement part that meets your performance and reliability requirements. This flange not only impresses with its durability but also offers a precise fit, ensuring that your machines always operate optimally.Precise Solution for Deutz EnginesOur flange is designed to fit Deutz engines to maximize product efficiency. As part of our selection of holders, plates and flanges, these OEM replacement parts offer the highest quality, specifically chosen to meet your technical challenges.
Flange for Demanding Applications Discover our OEM spare part, the flange with the comparison number 6744920045, designed to fit MTU engines. This product belongs to the category holders, plates and flanges and offers excellent quality with precise fit to exceed your expectations.Customized OEM Spare Parts The flange is not just a simple spare part, but a key to the efficient functioning of your engines. Design and functionality are ideally tailored to the requirements of MTU. Experience what high-quality OEM spare parts can deliver – an investment in safety.
Premium flange product – Comparison number 12031160 The flange with comparison number 12031160 is an essential OEM spare part that plays a crucial role in the functionality of engines. Weighing only 0.099 kg, this flange product is manufactured within the article group holders, plates and flanges. Precision and the highest quality standards form the basis of its development.Suitable for MWM & Deutz engines This flange is specifically designed for use in engines compatible with MWM & Deutz. OEM spare parts offer excellent fit and durability as they come directly from the OEM. This is in stark contrast to aftermarket products, which often do not deliver the same quality.
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FLANGE with the comparison number 2-SA062476/1-6 suitable for MTU engines
Flange – Excellence for Engine ApplicationsDiscover our first replacement part – the flange with the comparison number 02929578. This product is essential for reliable performance of your suitable for MWM & Deutz engines. The flange is categorized under Holders, plates and flanges and fits perfectly into the intended applications.Tailored Fit for MWM & DeutzWith this flange, specifically designed for MWM & Deutz, you are choosing products that meet the highest quality standards. The weight of the replacement part is 0.5 kg, making it a lightweight yet structurally stable component. Rely on the precise fit that only OEM replacement parts can provide.
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FLANGE with the comparison number 5501550045 suitable for MTU engines
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FLANGE with the comparison number 81371040029 suitable for MAN D engines
Flange with Comparison Number 51057150119Discover our flange, comparison number 51057150119, an essential product for engine applications. This flange belongs to the product group "Holders, plates and flanges" and offers a robust option for your needs.
FLANGE with the comparison number 82381050013 suitable for MAN D engines
FLANGE with the comparison number 02288983 suitable for MWM & Deutz engines
OEM Replacement Part Comparison Number 5372010239 for MTU EnginesOur flange (comparison number 5372010239) is a top-quality OEM replacement part, suitable for MTU engines of the series 331, including engine types 12V331TC81 and 12V331TC92. This significant product is an essential component in marine and stationary applications. The part, with a length and width of 13 cm each and a height of 3.6 cm, not only offers flexible handling but also provides the necessary stability and safety.
FLANGE with the comparison number 81471400001 suitable for MAN D engines
Precise Flange Compatible with Volvo/Volvo Penta Engines Discover our flange with the comparison number 3849102, an essential product that fits perfectly for Volvo/Volvo Penta engines. This flange belongs to the product group Holders, plates and flanges and ensures a precise fit as well as reliable functionality. Weighing 4.912 kg, this OEM spare part is robust enough to meet the demands of your engines.Reliable Quality Through OEM Spare Parts Our product with the comparison number 3849102 is offered as an OEM spare part. This means it provides only the best quality and fit for engines compatible with Volvo/Volvo Penta. We place great importance on this quality to keep your machines in optimal condition.
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Flange suitable for MTU EnginesDiscover our OEM replacement part, a precisely manufactured flange bearing the comparison number 8832032039. This product is optimally suitable for MTU engines and belongs to the category "Holders, plates and flanges".
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