ranroswang@hksparkling.com 
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4903472 Fuel Injector for Cummins M11 Celect & Hyundai R455LC-7
This is a critical component for the Cummins M11, ISM11, and QSM11 engine series. It is part of the EUI (Electronic Unit Injector) system, which precisely controls fuel injection timing and volume to ensure optimal engine power and fuel efficiency.
Compatible Engines and Machinery：
This injector is widely used in commercial trucks, industrial equipment, and large-scale construction machinery:
· Cummins Engine Series: M11 Celect, M11 Celect Plus, ISM11 (CM570/CM876), and QSM11.
· Construction Equipment:
· Hyundai Excavators: R455LC-7, R450LC-7A, R500LC-7, R505LC-7.
· Hyundai Wheel Loaders: HL780-7A, HL780-9.
· XCMG Excavators: XE390CH.
Thank you for choosing SPARKLING MACHINERY, your reliable supplier of Cummins diesel engine parts. The 4903472 fuel injector is a critical component for M11 Celect engines and Hyundai heavy-duty excavators/loaders. Made of high-strength alloy steel with precision-machined nozzle and premium solenoid, it delivers excellent atomization, stable performance, and long service life. Ideal for OEM replacement or fuel system overhaul, it restores engine power and fuel efficiency while avoiding costly downtime.
The SPARKLING MACHINERY NEW 4903472 Injector Photo:
Why Choose the SPARKLING 4903472 Injector?
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- Precision Fuel Atomization: Specialized nozzle design ensures a fine fuel mist for complete combustion and reduced smoke.
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- Electronic Control Integration: Fully compatible with the M11 Celect ECM for rapid response to load changes.
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- Heavy-Duty Durability: Built with hardened internal components to withstand the high-pressure environment of industrial diesel engines.
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- OEM Specification: A direct-fit replacement that restores factory-level performance and engine smoothness.
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Common Maintenance Parts for Hyundai R455LC-7
When replacing injectors, it is vital to maintain the cleanliness of the fuel system. Consider these related components:
| Part Name | Part Number | Application |
| Fuel Injector | 4903472 | Cummins M11 Celect |
| Fuel Filter (Secondary) | FF5052 | Fuel System Protection |
| Fuel/Water Separator | FS1000 | Moisture Control |
| Engine Oil Filter | LF3000 | M11 Lubrication |
| Injector Seal Kit | 3803293 | Injector Installation |
Q&A Section
Q1: Can I replace just one injector, or should I replace all six?
A: While you can replace a single faulty injector, it is often recommended to test or replace the full set in high-hour engines to ensure balanced power delivery across all cylinders.
Q2: Does the 4903472 require programming after installation?
A: Because this is part of the Celect system, you may need to enter the injector calibration codes into the engine's ECM using a diagnostic tool (like Cummins Insite) to ensure perfect timing.
Q3: What are the signs of a failing 4903472 injector?
A: Common symptoms include excessive black smoke, engine misfiring, hard starting, or a significant loss of hydraulic power under heavy digging loads.
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 In Touch:
- 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
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Whatsapp: +8613609010879