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Maximize the uptime of your fleet and equipment with a robust, heavy-duty cylinder head for the Cummins 6CT 8.3L engine from Ruich Value. Engineered to endure the rigorous demands of medium-duty trucks, buses, and construction machinery, our cylinder heads are the cost-effective solution for engine rebuilds and repairs. We deliver a component that meets or exceeds OEM standards, ensuring long-term reliability and getting your equipment back to work.
High Hardness: Heat-treated at 855°C-865°C for 30-40 minutes and quenched in oil, enhancing durability and extending service life by three times compared to standard cast iron heads.
Low Friction: The finely polished inner surface minimizes friction between piston rings and headwalls, creating a thin lubricant film that further reduces resistance.
Good Sealing: Our designs ensure a tight seal between piston rings and headwalls, preventing charge leakage during compression and exhaust gas escape, thereby improving engine performance.
Effective Heat Transfer: The cylinder heads efficiently transfer heat from the combustion chamber to the coolant, preventing overheating and thermal stress on engine components.
Easy Installation and Replacement: Designed for a perfect fit into the Cummins cylinder block without requiring machining or modification, our cylinder heads are straightforward to install or replace.
| Parameter | Specification |
| Product Name | Heavy-Duty Cylinder Head for Cummins 6CT / 6CTA |
| Brand | Ruich Value |
| Part Number / SKU | RV-C6CT-HD |
| Engine Compatibility | Cummins C Series (6CT, 6CTA, 6CTAA), 8.3L |
| Material | High-Grade, Heat-Treated Cast Iron |
| Valvetrain Configuration | 2 Valves per Cylinder |
| Fitment Type | Direct OEM Replacement |
| Warranty | 1-Year Limited Warranty |
| Model | Model | Model | Model |
|---|---|---|---|
| NTA855 (Assm) | ISF2.8 | ISX15/QSX15 | 6BTAA |
| K19 (Assm) | ISF3.8 (Assm) | ISLe (Assm) | 6CT/6CT (Assm) |
| 4B/4BT (Assm) | ISDe/QSB/ISB 4.5 | QSL | 6L/6LT (Assm) |
| 6B/6BT (Assm) | ISDe 6.7 / QSB6.7 (Assm) | ISM11 | QSB3.3/B3.3 (Assm) |
| ISB6 E3/E3 (Assm) | QSB 5.9L | ISG | ISL/T375 |
| ISBe 5.9 (Assm) | ISC (Assm) |
Email: [email protected]
Phone/WhatsApp: +86 13889277673
Request Custom Quotes: We’re committed to delivering top-tier engine components. If you have any questions or inquiries about our Cummins 6CT Cylinder Head, please don’t hesitate to contact us. Our team is ready to assist you.




For Any Inquiries, please feel free to contact us, Our sales teams are always glad to support your business