ranroswang@hksparkling.com 
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31QB-12370 Engine Block for Hyundai Crawler Excavator R480LC-9 / R480LC-9A / R480LC-9S
The 31QB-12370 Engine Block is a premium cast-iron cylinder block, the core structural foundation for Hyundai R480LC-9, R480LC-9A, R480LC-9S crawler excavators (fitted with Scania DC13 engine). It houses cylinders, crankshaft, and camshaft, integrates coolant/oil passages, and ensures precise component alignment for efficient combustion and power delivery.
Key Features
· OEM-Matched Precision: 6-cylinder inline design, 12.7L displacement, exact mounting dimensions for Hyundai R480LC-9 series—no modification needed.
· High-Strength Cast Iron: HT300 cast iron construction with normalized heat treatment (HB 200–230) for maximum durability and wear resistance.
· Leak-Proof & Heat-Resistant: Precision-machined deck surface, integrated core plugs, and nitrile rubber seals prevent oil/coolant leakage; withstands 180°C max operating temperature.
· Plug-and-Play Installation: Pre-drilled mounting holes, factory-fitted cylinder liners, and camshaft bearings reduce replacement time to 8–10 hours.
Compatible Models: This block is primarily used in the 9-Series Hyundai crawler excavators from a specific serial number range onwards (S/N 0203 ~)：
· R480LC9, R480LC9A, R480LC9S, R520LC9, R520LC9A, and R520LC9S.
· Interchangeable Part Numbers: 31QB-12370, 31QB12370, 31QB-12370X.
Thank you for choosing SPARKLING MACHINERY for your engine block needs. The 31QB-12370 Engine Block is critical for Hyundai R480LC-9 series excavators, ensuring structural integrity and reliable power output. Our blocks meet ISO 9001 and Hyundai OEM standards, backed by a 12-month warranty and technical support for installation and troubleshooting.
The SPARKLING MACHINERY NEW 31QB-12370 Block Photo:
Why Choose the SPARKLING 31QB-12370 Engine Block?
- OEM-Grade Performance: Matches Scania DC13 engine specs, restores 98%+ power output and fuel efficiency.
- Long-Lasting Durability: HT300 cast iron with normalized treatment outlasts generic blocks by 50% in service life.
- Reduced Downtime: Pre-assembled cylinder liners and bearings cut replacement time; factory-tested for leak-free operation.
- Cost-Effective: 40% lower price than OEM with same quality; reduces maintenance frequency and repair costs.
- Certified Quality: Each unit undergoes 100% pressure/leak testing; CE/RoHS compliant for global market compatibility.
| PART NUMBER | PART NAME | WEIGHT KG | |
| 1 | K9004084 | OUTER CLUTCH DISK | 0.54 |
| 2 | K9004158 | CLUTCH DISC | 0.51 |
| 3 | K9009629 | PISTON | 5.1 |
| 4 | K9004163 | GEAR | 1.9 |
| 5 | K9004081 | JOINT FORK | 6 |
| 6 | K9004082 | JOINT FORK | 8.8 |
| 7 | K9004063 | UNIVERSAL SHAFT | 20.1 |
| 8 | K9001488 | JOINT FORK | 3.6 |
| 9 | K9001487 | JOINT FORK | 7.9 |
| 10 | K9001484 | UNIVERSAL SHAFT | 14.1 |
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