ranroswang@hksparkling.com 
+86 138 2341 8469
Excavator Spare Parts 21N4-32300 CPU Controllerfor Hyundai Construction Equipment Excavators R140W-7
The 21N4-32300 CPU Controller - A rugged, high-performance control unit for construction machinery and factory automation. This multi-core processor features PLC programmability, EtherCAT/PROFINET support, -20°C to 70°C operation, and CE/UL certification. With expandable I/O modules, it's ideal for CNC, automated production, and heavy equipment control. OEM customization available.
Introducing the 21N4-32300 CPU Controller, a premium electronic control module engineered in China for Hyundai Robex wheel excavator model R140W-7. This original, factory-programmed ECU (Electronic Control Unit) ensures seamless integration with your Hyundai machinery, delivering reliable performance and precise control over the excavator’s essential functions. Choose the 21N4-32300 CPU Controller for optimized diagnostics and durable operation.
We're thrilled to have you here! We are proud to introduce The 21n4-32300 CPU Controller—a high-performance control core designed for construction machinery and industrial automation. Manufactured to OEM standards, this controller ensures stable performance and long-term reliability even in the most demanding operating conditions.
The 21N4-32300 CPU Controller Photo:
As an experienced product manager and industry expert, I present the SPARKLING 21N4-32300 CPU Controller — engineered for dependable control and peak performance in Hyundai R140W-7 excavator. Built by SPARKLING MACHINERY, a specialist in excavator components since 2013, this ECU delivers the stability, precision and longevity modern fleets demand.
Why choose the SPARKLING 21N4-32300?
- Direct-fit compatibility: Designed to match OEM form, fit and connectors for Hyundai R140W-7 model, enabling fast plug-and-play replacement and reduced downtime.
- Precision control: Manages core machine functions — engine management, system coordination and diagnostic communication — to maintain smooth, efficient operation under varied working conditions.
- Rigorous quality: Manufactured under strict quality control and tested against performance and environmental standards to ensure reliable operation in vibration, temperature and moisture extremes.
- Professional support: SPARKLING provides technical guidance, calibration assistance and aftermarket customization to fit unique fleet needs, backed by warranty and responsive global service.
- Cost-effective reliability: Engineered to reduce failure risk and maintenance costs while delivering OEM-like performance at competitive pricing.
About SPARKLING MACHINERY:
Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.
Get started:
Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation
🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
foreverlucia1
Whatsapp: +8613609010879