Atlas Copco Air End 1616903480 / 1616903490 D-20 C43

To ensure continuous industrial productivity and prevent costly unplanned downtime, choosing factory-authentic replacement parts remains paramount. Specifically, the Atlas Copco part numbers 1616903480 and 1616903490 represent the absolute pinnacle of genuine engineering for medium-sized rotary screw air compressors. As the core “heart” of the compression system, the air end directly determines the operational efficiency, thermal stability, and overall lifespan of your machinery. Consequently, sourcing authentic factory-specified components guarantees that your equipment maintains its original performance benchmarks under the most demanding workshop conditions. Contents1 Product Overview & Official Identification2 Key Features and Design Advantages2.1 High-Efficiency Asymmetric Rotor Profile2.2 Heavy-Duty Bearing Arrangement2.3 Optimized C43 Housing Structure2.4 Enhanced Thermal Stability2.5 Extended Operational Lifespan3 Technical Specifications4 Direct Comparison: 1616903480 vs. 16169034905 Targeted Industrial Applications6 Maintenance Recommendations for Long-Term Reliability7 Crucial Compatibility Verification8 FAQ8.1 What is the official definition of Atlas Copco 1616903480?8.2 What is the exact difference between 1616903480 and 1616903490 air ends?8.3 Is the OIS D-20 element an oil-free or an oil-injected component?8.4 Can I use these elements in compressors from brands other than Atlas Copco?8.5 Which specific lubricant ensures the warranty and lifespan of these air ends?8.6 Why is the exact compressed air flow rate (FAD) not fixed in the physical specifications?9 Conclusion & Sourcing Action10 More Air Ends Available11 Inquiry Now Product Overview & Official Identification Within the official Atlas Copco spare parts infrastructure, engineers classify and identify these two part numbers by precise nomenclature. Specifically, the definitions look as follows: 1616903480 Official Designation: OIS D-20 ELEMENT C43 (Oil-Injected Screw D-20 Air End / C43 Casing and Rotor Combination) 1616903490 Official Designation: SERVICE AIREND OIS D-20 (Official Service-Level / Exchange Assembly Package) Furthermore, a crucial industry clarification must address a frequent classification error. Many third-party B2B platforms accidentally scrape or translate these part numbers as “Oil-Free” due to the heavy protective wax layers and specialized anti-rust packaging used during transport. However, this categorization represents a serious data error. In official engineering documentation, the acronym OIS strictly stands for Oil-Injected Screw. Therefore, both units belong exclusively to the high-performance oil-injected rotary screw family, utilizing premium industrial lubricants to achieve optimal sealing, cooling, and mechanical longevity. Atlas Copco Air End 1616903480-1616903490 Premium OIS D-20 Element C43 (1) Key Features and Design Advantages High-Efficiency Asymmetric Rotor Profile The internal engineering of the OIS D-20 element incorporates the legendary Atlas Copco asymmetric rotor profile. Specifically, the male and female rotors engage with optimized clearance tolerances to minimize internal blow-by leakage. Consequently, this state-of-the-art geometry delivers a much higher free air delivery (FAD) per kilowatt of input power, reducing overall energy consumption significantly. Heavy-Duty Bearing Arrangement To counteract intense mechanical forces, the assembly features a heavy-duty, high-precision radial and axial bearing arrangement. Specifically, these specialized bearings absorb the tremendous loads generated during high-speed rotation. As a direct result, the robust bearing configuration prevents rotor micro-displacement, ensuring continuous operational alignment and preventing catastrophic internal friction. Optimized C43 Housing Structure The outer shell utilizes the signature C43 high-strength cast iron casing structure. This specialized metal composition provides superior mechanical rigidity and torsional stiffness. Furthermore, the housing eliminates structural distortion under extreme pressure fluctuations, allowing the air end to maintain its micro-tolerances flawlessly over decades of continuous operation. Enhanced Thermal Stability Continuous industrial compression inevitably generates massive thermal energy. However, the internal cooling channels of the C43 element dissipate heat rapidly when paired with original lubricants. In addition, this advanced thermal management prevents localized overheating, allowing the air end to operate safely within extreme high-temperature industrial environments without risk of rotor seizure. Extended Operational Lifespan By combining premium alloy steel rotors, heavy-duty bearings, and a robust C43 housing, Atlas Copco creates a highly reliable system. Therefore, facilities experience significantly extended service intervals and a minimized total cost of ownership. Choosing these authentic factory standards effectively immunizes your operation against the frequent breakdowns common to substandard imitations. Atlas Copco Air End 1616903480-1616903490 Premium OIS D-20 Element C43 (2) Technical Specifications To provide a clear engineering perspective on these powerful units, the following comprehensive specification matrix outlines the verified physical data from the factory system. In addition, please note that precise performance values depend on your specific motor configuration and drive ratios. Technical Parameter Factory Specification Official Brand Atlas Copco Part Numbers (P/N) 1616903480 / 1616903490 Series / Model OIS D-20 Series (Element C43) Compression Principle Oil-Injected Rotary Screw Rotor Material High-Precision Alloy Steel Housing Material High-Strength Cast Iron (C43 Structure) Recommended Lubricant Authentic RIF (Roto Inject Fluid) Equipment Condition 100% Genuine New Note: The actual free air delivery, shaft power, and maximum working pressure vary depending on your compressor’s external electric motor capacity, pulley/coupling transmission ratios, and local unloading pressure adjustments. Consequently, the factory does not lock the physical element to a single fixed flow rate. Atlas Copco Air End 1616903480-1616903490 Premium OIS D-20 Element C43 (3) Direct Comparison: 1616903480 vs. 1616903490 Procurement managers frequently request clarification regarding the logistical differences between these two part numbers. Although they share the identical internal mechanical geometry and C43 rotor dimensions, they serve distinct logistical and service roles within the aftermarket supply chain. Part Number System Classification Primary Logistic Purpose 1616903480 Production-Level Air End Element Intended for factory assembly line installation and direct individual element replacement. 1616903490 Service-Level Exchange Assembly Tailored specifically for aftermarket maintenance programs, containing official service-level updates and standardized installation kits. Consequently, your choice depends heavily on your current service contract structure and the specific modification state of your existing compressor piping. In most scenarios, maintenance engineers utilize 1616903490 as a complete drop-in overhaul solution for rapid onsite restoration. Targeted Industrial Applications Owing to their exceptional thermal stability and mechanical resilience, these D-20 series air ends operate extensively within medium-horsepower industrial compressors. Specifically, they form the core of various GA Series models and specific same-platform sister brands such as Bolaite and Liutech. Their typical industrial applications include: Manufacturing Plants: Supplying continuous, heavy-duty pneumatic power for machining centers, assembly automated systems, and packaging lines. Automotive Industry: Powering high-demand robotic paint booths, pneumatic clamping tools, and critical vehicle assembly equipment. Textile & Electronics Production: Providing precise pressure control for high-speed weaving looms and automated circuit board pick-and-place lines. Integrated Compressor Packages: Serving as the reliable core compressor unit in mobile, skid-mounted, or containerized special industrial dynamic power packages. Atlas Copco Air End 1616903480-1616903490 Premium OIS D-20 Element C43 (4) Maintenance Recommendations for Long-Term Reliability To safeguard the immense mechanical investment of a new air end, facilities must adhere to strict maintenance protocols. Specifically, following these manufacturer guidelines guarantees optimal runtime: Use Genuine Lubricants Exclusively: Always fill the system with genuine Atlas Copco Roto Inject Fluid (RIF). Substandard third-party oils cause rapid carbon deposit formation and bearing degradation. Enforce Regular Preventive Service: Replace oil filters, air filters, and oil separator elements precisely according to the 2901-series service kit schedules. Monitor Operating Temperature: Check discharge temperatures daily, ensuring the cooling system actively prevents thermal spikes above standard limits. Track Vibration Parameters: Implement regular vibration analysis to detect micro-wear in the bearing assembly before physical damage occurs. Crucial Compatibility Verification Because Atlas Copco constantly updates and refines its machinery, minor structural engineering variations exist across different machine generations. For example, a GA compressor built in 2018 might feature slightly different pipe connection angles or gear ratios than a model built in 2026, despite using the same baseline air end model. Therefore, we strongly advise all procurement officers to verify their compressor’s Original Serial Number from the data plate before finalizing any order. By utilizing the official internal parts database, our technical team can cross-reference your specific serial number. This process guarantees 100% compatibility with your existing oil pipes, drive couplings, and gear house configurations, preventing costly shipping errors. Atlas Copco Air End 1616903480-1616903490 Premium OIS D-20 Element C43 (5) FAQ What is the official definition of Atlas Copco 1616903480? The factory defines part number 1616903480 as an OIS D-20 Element C43. Specifically, it represents a genuine production-level, oil-injected rotary screw air end designed to deliver premium compressed air output for mid-range industrial applications. What is the exact difference between 1616903480 and 1616903490 air ends? Both units feature the identical internal asymmetric rotor geometry and cast iron C43 shell. However, 1616903480 refers to the individual production-grade element, whereas 1616903490 designates the official service-level replacement assembly package configured for aftermarket field overhauls. Is the OIS D-20 element an oil-free or an oil-injected component? It is strictly an oil-injected component. In the official parts nomenclature, OIS stands explicitly for Oil-Injected Screw. Any third-party online listing classifying this series as oil-free represents an error caused by automated catalog scraping tools mistaking protective packaging layers for product specifications. Can I use these elements in compressors from brands other than Atlas Copco? Yes, but only under specific technical conditions. Because certain brands like Bolaite and Liutech belong to the same industrial corporate group, they frequently integrate the OIS D-20 C43 element. Nevertheless, engineering teams must verify the compressor’s serial number first to ensure total housing compatibility. Which specific lubricant ensures the warranty and lifespan of these air ends? To maintain peak thermal stability and protect the high-load bearing arrangement, you must use authentic Atlas Copco Roto Inject Fluid. Consequently, using unapproved fluids instantly voids operational warranties and accelerates rotor wear. Why is the exact compressed air flow rate (FAD) not fixed in the physical specifications? The air end delivers variable outputs depending on the external motor horsepower, drive gear configuration, and operational speed parameters set by the system. Consequently, the final flow capacity depends entirely on the overall compressor system configuration rather than the standalone air end unit. Conclusion & Sourcing Action In conclusion, the mechanical integrity of your compressed air infrastructure hinges entirely upon the quality of its core element. Investing in a factory-authentic 1616903480 or 1616903490 air end eliminates the operational hazards, efficiency drops, and premature failures associated with unauthorized alternative parts. To secure a seamless, high-performance upgrade for your machinery, please contact our technical department today. Our engineering team stands ready to analyze your equipment serial number, confirm configuration compatibility, and initiate a professional procurement process tailored precisely to your operation. More Air Ends Available Other Atlas Copco Air End Models and Atlas Copco Air Compressor Parts are available upon request. Please check the table below or contact us for details. Part Number Part Name Part-Number 2205722749 AIREND OUTLET 1-1/2 FORM 45 2205-7227-49 2205722811 INLET, AIREND, 2 2205-7228-11 2205827263 REFURBISH KIT, AIREND, 204-123 2205-8272-63 2205829521 AIREND, EVO9 2205-8295-21 2205829808 REFURBISH KIT, AIREND, MM 3 2205-8298-08 2205829826 SEALING KIT, AIREND, MM3. 2205-8298-26 2989015800 AIREND 2989-0158-00 2989015700 AIREND 2989-0157-00 2989015401 AIREND 2989-0154-01 2989015400 AIREND 2989-0154-00 2989015200 AIREND 2989-0152-00 2989014500 AIREND 2989-0145-00 2989014400 AIREND 2989-0144-00 2989012200 AIREND 2989-0122-00 2989012100 AIREND 2989-0121-00 2989010400 AIREND 2989-0104-00 2989010300 AIREND 2989-0103-00 2989007600 AIREND 2989-0076-00 2989001900 AIREND 2989-0019-00 2989001200 AIREND 2989-0012-00 1616774590 SERVICE AIREND C67 H10 1616-7745-90 1616774591 SERVICE AIREND C67 H11 1616-7745-91 1616811890 V111 AIREND 1616-8118-90 1616813790 AIREND 1616-8137-90 1616820315 AIREND, C55 PLUS 1616-8203-15 1303002080 AIREND, S111, 1303002080 1303-0020-80 1303002090 SERVICE AIREND S111 K70 1303-0020-90 1088003824 PLATE END 1088-0038-24 1088003853 END PLATE 1088-0038-53 1088003937 END PLATE 1088-0039-37 1088003995 PLATE END 1088-0039-95 1088005103 END SOCKET 1088-0051-03 1088005108 END SOCKET 1088-0051-08 1088005109 END SOCKET 10MM² 1088-0051-09 1088005110 END SOCKET 16MM² 1088-0051-10 1088005112 END SOCKET 1088-0051-12 1088005113 END SOCKET 1088-0051-13 1088006130 PLATE END 1088-0061-30 1088006190 END PLATE 1088-0061-90 1088006195 END PLATE 1088-0061-95 1088006197 END PLATE 1088-0061-97 1088151015 END PLATE HMT.2/2 2/PT/GR 1088-1510-15 1088151309 END PLATE 1088-1513-09 1088151516 END PLATE HMD.1/PT/GR 1088-1515-16 1089040691 END PLATE 1089-0406-91 1089050630 END BRACKET 1089-0506-30 1089057313 PLATE END 1089-0573-13 1089057721 END SECTION 1089-0577-21 1089057758 END RETAINER CLIF FIX35 1089-0577-58 1089928411 PLATE END 1089-9284-11 Inquiry Now Contact Form DemoΔ Your NameLast NameYour EmailCountrySelect CountryAfghanistanAland IslandsAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBonaire, Saint Eustatius and SabaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBritish Virgin IslandsBruneiBulgariaBurkina FasoBurundiCabo VerdeCambodiaCameroonCanadaCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCook IslandsCosta RicaCroatiaCubaCuraçaoCyprusCzech RepublicDemocratic Republic of the Congo (Kinshasa)DenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEswatiniEthiopiaFalkland IslandsFaroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and McDonald IslandsHondurasHong KongHungaryIcelandIndiaIndonesiaIranIraqIrelandIsle of ManIsraelItalyIvory CoastJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKosovoKuwaitKyrgyzstanLaosLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacao S.A.R., ChinaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesiaMoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorth KoreaNorth MacedoniaNorthern Mariana IslandsNorwayOmanPakistanPalauPalestinian TerritoryPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalPuerto RicoQatarRepublic of the Congo (Brazzaville)RomaniaRussiaRwandaRéunionSaint BarthélemySaint HelenaSaint Kitts and NevisSaint LuciaSaint Martin (Dutch part)Saint Martin (French part)Saint Pierre and MiquelonSaint Vincent and the GrenadinesSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia/Sandwich IslandsSouth KoreaSouth SudanSpainSri LankaSudanSurinameSvalbard and Jan MayenSwedenSwitzerlandSyriaTaiwanTajikistanTanzaniaThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTunisiaTurkmenistanTurks and Caicos IslandsTuvaluTürkiyeUgandaUkraineUnited Arab EmiratesUnited Kingdom (UK)United States (US)United States (US) Minor Outlying IslandsUnited States (US) Virgin IslandsUruguayUzbekistanVanuatuVaticanVenezuelaVietnamWallis and FutunaWestern SaharaYemenZambiaZimbabweSubjectYour MessageSend Inquiry