ranroswang@hksparkling.com 
+86 138 2341 8469
Case HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW 1221E 11N6-90780 HEATER CORE SPARKLING MACHINERY
SPARKLING MACHINERY NEW 11N6-90780 Heater Core is a core climate control component for Case 1221E excavators (construction/mining use). It heats cabin air via engine coolant circulation, delivering consistent warmth for safe and comfortable operation in low temperatures.
Meeting Case OEM standards (11N6-90780), it resists -30°C to 120°C temps, corrosion, and coolant contamination, ensuring seamless compatibility and reliable long-term heating performance.
Your trusted partner for Case excavator cabin comfort—we’re proud to present the high-quality 11N6-90780 Heater Core.
Dear customer, thank you sincerely for choosing SPARKLING MACHINERY; your confidence in our parts means everything to us. This essential climate component is vital for winter operational comfort and safety—a faulty one risks insufficient heating or coolant leakage, but ours matches original specs perfectly, so you can rely on it with peace of mind.
The SPARKLING MACHINERY NEW 11N6-90780 HEATER CORE Photo:
Why choose the SPARKLING NEW 11N6-90780 Heater Core?
- Direct-fit compatibility: Custom-engineered for Case 1221E’s coolant system and cabin mounts. Marked 11N6-90780, it integrates seamlessly—no modifications needed. Cuts replacement downtime by 33%.
- Precision control: Heat exchange efficiency ≥90%, rapidly raising cabin temperature to comfortable levels. Maintains stable heating even in extreme low-temperature worksites.
- Rigorous quality: 28+ tests including 10,000+ working hours, -30°C to 120°C temperature adaptability, and corrosion resistance. Withstands coolant chemical stress and mechanical vibration.
- Professional support: 7×24 online assistance—installation guides, coolant matching tips, troubleshooting. Average response time <2 hours.
- Cost-effective reliability: OEM-level performance at a competitive price. High-efficiency heat exchange tubes extend service life by 73% vs. generic heater cores, reducing 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