OTTO 21Q6-32181 ECU Controller for Hyundai R220LC-9S R210LC-9S Excavator Engine Control Unit Computer Board

OTTO 21Q6-32181 ECU Controller for Hyundai R220LC-9S R210LC-9S Excavator Engine Control Unit Computer Board

The OTTO ECU Controller 21Q6-32181 is a dedicated aftermarket engine control computer board designed exclusively for Hyundai excavators. As the core electronic brain of the equipment, it manages critical engine operating parameters, regulates fuel injection, monitors system diagnostics, and coordinates all key machine functions to ensure smooth, consistent performance. Manufactured to strict international industry standards, this reliable control unit guarantees stable signal transmission, long-term durability, and seamless system compatibility, making it an essential spare part for maintaining the full functionality and productivity of Hyundai excavators.

Technical Specifications

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Key Product Advantages

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• OEM-Grade Plug-and-Play Compatibility: Engineered to match the original factory electronic specifications and connector pinouts for Hyundai -9S series excavators, ensuring true direct "plug-and-play" installation. No wiring modifications or program adjustments are needed, cutting down equipment downtime and installation labor drastically.
  Stable & Precise Engine Control: Built with high-grade industrial electronic components and calibrated circuit boards, this ECU delivers accurate real-time monitoring and regulation of engine speed, fuel delivery, and system diagnostics. It eliminates signal errors and malfunctions, restoring the excavator’s original operating responsiveness and power output.
  Heavy-Duty Durability for Harsh Jobsites: Encased in a shock-resistant and temperature-stable protective housing, the ECU controller withstands extreme construction site conditions, including heavy vibration, wide temperature fluctuations, and dust exposure. Its rugged design prevents internal component damage, ensures consistent long-term performance, and reduces frequent replacement costs.

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Applications

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About Otto

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Guangzhou Otto Engineering Machinery Equipment Co.,Ltd, is a leading manufacturer and distributor of earthmoving parts and equipment in Guangzhou, China. It consists of 3 sister companies, serving many well-known distributors at home and abroad. With more than 20 years of production and distribution experience, OTTO has cultivated an experienced engineer team and a professional sales team, which can ensure the highest service with the highest quality, competitive price and prompt delivery. At the same time, it also supplies parts to the Chinese market, and many Chinese trading companies order from our company. 

Come with us, the best service, the best price, the best supplier you can enjoy !

Our Advantages

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1.TECHNICAL SERVICE
We provide modification technology service, the product has been tested modifed, the engine can be directly installed and used.
2.CERTIFICATE
With Export certificate License.Double confirmation before shipping, if we sent the wroncparts we will send corect one.
3.SERVICE TEAM
With professional after-sale team, will help you to trace the goods. And our engineers will assist with any installation issues.
4.TECHNICAL SERVICE
Free Sample is acceptable.We serves manywell-known Hitachi Komatsu Caterpillar Kobelco in your country.

Access our comprehensive Excavator Parts Book covering 50,000+ validated OEM references for Komatsu, CAT, Hitachi, Volvo, and Doosan machinery – cross-search by part number (e.g., Komatsu 111-10-11310), machine model (CAT 320D/EX200-5), or component type (hydraulic pumps, track links, engine rebuild kits) with real-time 3D diagram support. Engineered for zero-mismatch fitment across critical assemblies including Isuzu 6BG1T/Cummins QSB6.7 power systems, ISO-certified undercarriages, and Komatsu HMB-series hydraulic valves, all backed by 24/7 technical interpretation and downloadable PDF catalogs with MOQ/pricing.

At OTTO, we specialize in excavator machinery parts with a global clientele. Our superior products have garnered acclaim worldwide for their quality, durability, and precision engineering. Customers praise our extensive range of parts, from travel reduction gearboxes to hydraulic components, ensuring optimal performance. With a commitment to excellence, we offer top-notch warranties, secure shipping options, and efficient delivery times. Join our satisfied customers worldwide who rely on OTTO for top-tier excavator parts and exceptional service.

FAQ

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Q1:What can you buy from us?
A:We are professional dealer in excavator parts, such as desel engine assy,hydraulic pump, hydraulic control valvetravel
motor,diesel fuel system,gearbox parts, swing gearbox motor parts, electrical parts, engine parts, used
excavator,etc.

Q2:How long is the warranted time?
A:For natural broken,Warranty 3-12 months any quality problem will offer support freely.

Q3:What's the shipping way you can offer?
A:(1) Big order: By sea or by air.(It can reduce the costs).

(2) Small order:DHL,TNT,UPS,FEDEX,EMS,ARAMEX.

Q4:What's the terms of the transaction?
A:EXW,FCA,FAS,FOB, C&F,CIF,CPT,CIP,DAF,DES,DDP.
 
Q5:How about the lead time?
A:(1) ln stock: 1-3 days.Always in 24 hours.
(2) Out of stock: lt's according to your quantity, and we have cooperated with factory,We will let you know when we quote.