ranroswang@hksparkling.com 
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Case HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 1221F 11Q6-90540 HEATER RAD SET SPARKLING MACHINERY
The part number 11Q6-90540 refers to a Heater Core Assembly (also known as a radiator heater or air conditioning cooler) primarily used in Hyundai 9-Series construction machinery.
This authentic Hyundai part is designed for various 9-Series excavators and wheel loaders:
Crawler Excavators: R140LC-9, R160LC-9, R180LC-9, R210LC-9, R220LC-9, R250LC-9, R290LC-9, R320LC-9, R380LC-9, R430LC-9, R480LC-9, R520LC-9, and their sub-variants (e.g., -9A, -9S, -9SH).
Wheel Loaders: HL730-9, HL740-9, HL757-9, HL760-9, HL770-9, HL780-9, and variants such as HL730TM-9 or HL740-9A.
Other: Also compatible with Case Loader 1221F.
Your trusted partner for Case excavator cabin comfort—we’re proud to present the high-quality 11Q6-90540 Heater Rad Set.
Dear customer, thank you sincerely for choosing SPARKLING MACHINERY; your confidence in our parts means everything to us. This integrated heater assembly is vital for winter operational comfort and safety—a faulty one risks insufficient heating, coolant leakage, or system malfunctions, but ours matches original specs perfectly, so you can rely on it with peace of mind.
The SPARKLING MACHINERY NEW 11Q6-90540 HEATER RAD SET Photo:
Why choose the SPARKLING NEW 11Q6-90540 Heater Rad Set?
- Direct-fit compatibility: Custom-engineered for Case 1221F’s coolant system, cabin mounts, and electrical interfaces. Marked 11Q6-90540, the integrated set integrates seamlessly—no modifications or additional adapters needed. Cuts replacement downtime by 33%.
- Efficient heating performance: Heat exchange efficiency ≥91%, rapidly raising cabin temperature to comfortable levels even in extreme low-temperature (-30°C) worksites. The optimized radiator structure ensures uniform heat distribution.
- Rigorous quality assurance: 28+ strict tests including 10,000+ working hours, -30°C to 120°C temperature adaptability, corrosion resistance, and pressure resistance tests. Withstands coolant chemical stress, mechanical vibration, and dusty worksite environments.
- Professional technical support: 7×24 online assistance—providing detailed installation guides, coolant matching tips, and troubleshooting solutions for heating inefficiency or leakage. Average response time <2 hours.
- Cost-effective reliability: OEM-level performance at a competitive price. High-quality radiator materials and precision-assembled components extend service life by 73% vs. generic heater rad sets, reducing long-term replacement costs by 41%.
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
foreverlucia1
Whatsapp: +8613609010879