October 22, 2026
What is a remanufactured car engine?October 21, 2026
What is engine assembly?The G6CU is a 3.5L V6 engine from the Hyundai/Kia Sigma series, produced from 1999 to 2007. Essentially a licensed clone of the Mitsubishi 6G74 engine,
it features a cast-iron block paired with an aluminum alloy DOHC 24-valve cylinder head, equipped with hydraulic lifters and a timing belt drive.
This engine was primarily used in midsize and full-size SUVs and luxury sedans, emphasizing smooth operation and low-rpm torque performance.
Our products are exported to various parts of the country, and the customers we have worked with have received unanimous praise. The company has invested over 20 million yuan in high-end remanufacturing equipment imported from abroad and a first-class production team in the country. Our warehouse has a total area of over 8000 square meters, with scientific management and sufficient supply of goods.

Key Technical Specifications:
Engine Displacement: 3.5 L (3497 cc / 213.4 cu. in.)
Cylinder Configuration: V6 (V-type six-cylinder)
Valve Train: DOHC (Dual Overhead Camshaft), 4 valves per cylinder (24 valves total)
Bore × Stroke: 93.0 mm × 85.8 mm
Compression Ratio: 9.8:1
Material: High-strength, lightweight aluminum alloy (Aluminum Alloy)
Intake Configuration: Naturally Aspirated
Vehicle Applications:
Hyundai Santa Fe :2003–2006 (3.5L V6)
Hyundai Terracan :2001–2007 (3.5L V6)
Hyundai XG350:2002–2005 (3.5L V6)
Kia Sorento :2003–2006 (3.5L V6)
Kia Sedona / Carnival:2002–2005 (3.5L V6)
Kia Amanti / Opirus :2004–2006 (3.5L V6)
Reference OE Numbers:
Hyundai / Kia OE Part Numbers: 22100-39800, 22100-39500, 22100-39000 series (distinguished by left/right or front/rear)
Cylinder head-related: 22001-3B0C0, 22100 series-related numbers
Left and right cylinder heads differ; final confirmation must be based on the vehicle’s VIN and casting number.
High quality aluminum alloy construction
Precision CNC machining
Excellent heat dissipation
Reliable valve sealing performance
Direct replacement design
Suitable for:
Engine rebuilding companies
Hyundai repair workshops
Automotive parts wholesalers
Engine remanufacturing factories
Global aftermarket suppliers
We supply premium Hyundai G6CU cylinder heads with strict quality control, professional manufacturing technology and worldwide export service.
Choose our Hyundai G6CU cylinder head for reliable engine rebuilding solutions.
| Place of Origin | Guangdong, China |
| Condition | New |
| Purpose | for replace/repair |
| Type | Gas / Petrol Engine |
| Power | OEM Standards |
| Quantity (pieces) | 1 - 10 | 11 - 50 | > 50 |
| Lead time (days) | 7 | 15 | To be negotiated |
1. Our remanufactured products use accessories provided by well-known brand suppliers such as VICTORREINZ, SCHAEFFLER, KS KOLBENSCHMIDT GmbH, etc.
2. Our product quality is close to the original factory quality, but the price is only 50-60% of the original engine. We can also provide you with a one-year or 100000 kilometer warranty service for the entire machine, and professional after-sales personnel will follow up with you.
3. We have over 15 years of experience in the production and research of automotive engines, and our technical level and personnel training are very scientific and mature. Customers who have worked with us have expressed their agreement with our products and after-sales service.
4. 2018 It has achieved an annual production capacity of 2200 units and has become a major supplier of high-end engine remanufacturing and parts in China's automotive aftermarket.
5. In April 2021, T/CAAMTB passed the certification company of China Automobile Research and Huacheng. 19-2019 Certification of the management system requirements of gas vehicle parts remanufacturing enterprisesIn October 2021, he became a member of the National Green Manufacturing Technology Standardization Committee and participated in the drafting of the Technical Specification for Assembly of Remanufacturing Mechanical and Electrical Products.