
Product Overview
This is a premium OEM-specification cylinder head designed for the Mitsubishi 6D31 diesel engine. Engineered for durability and performance, it serves as a direct replacement for original parts, ensuring seamless integration and reliable operation in demanding industrial and construction machinery. We specialize in global B2B supply, serving major markets across North America, Europe, the Middle East, and Asia-Pacific with efficient logistics to key industrial hubs.
Key Features & Benefits
- Precision Engineering: Manufactured to exact OEM dimensions and specifications for a perfect fit and optimal engine performance.
- Superior Durability: Constructed from high-grade materials to withstand high compression and thermal stresses of diesel operation.
- Rigorous Quality Control: Each unit undergoes thorough inspection and testing, including video outgoing-inspection, to ensure defect-free delivery.
- Guaranteed Compatibility: Direct replacement for original part numbers, eliminating guesswork and installation issues.
- Enhanced Reliability: Restores engine compression and valve timing integrity, crucial for machinery uptime and productivity.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Cylinder Head Assembly |
| Primary Part Number | ME997159 |
| Alternative Part Number | ME997168 |
| Engine Model | Mitsubishi 6D31 |
| Engine Type | Diesel |
| Dimensions | OEM Standard Size |
| Weight | Approximately 57 kg |
| Warranty | 6 Months |
| Packing | Plastic Bag, Box, Carton |
| Place of Origin | Guangdong, China |
OEM Cross-Reference
This cylinder head is a direct interchange for the following OEM part numbers:
- Mitsubishi: ME997159, ME997168
Please verify your engine’s serial number and existing part number for absolute compatibility before ordering.
Compatibility
Primary Application: This cylinder head is specifically designed for the Mitsubishi 6D31 diesel engine.
Machine Compatibility: This engine is commonly found in various industrial machinery, including but not limited to:
- Excavators: Kobelco SK200-3
- Forklifts
- Trucks
- Loaders
- Bulldozers
- Buses
Global Supply & Distribution
We are a trusted exporter of heavy-duty engine components with extensive experience in international logistics and trade compliance. Our supply chain is optimized for fast, reliable delivery to major global markets.
- Worldwide Shipping: We ship to all major industrial regions, including North America (USA, Canada), Europe (UK, Germany, Netherlands), the Middle East (UAE, Saudi Arabia), and Asia-Pacific (Australia, Singapore).
- Efficient Logistics: Consolidated shipments to key ports and inland freight options ensure cost-effective and timely delivery to your workshop or warehouse.
- B2B Expertise: We handle all export documentation, certifications, and customs clearance procedures for a smooth international transaction.
Quality Assurance
Our commitment to quality ensures you receive a reliable, performance-grade component.
- Manufacturing Standards: Produced in ISO-certified facilities using precision machining and quality-controlled materials.
- Comprehensive Testing: Every cylinder head is subject to dimensional checks, pressure testing, and a final video outgoing-inspection report is provided.
- Warranty Backed: Supported by a solid 6-month warranty against manufacturing defects, providing peace of mind for your operations.
FAQ
Q: Is this cylinder head a direct bolt-on replacement for my Kobelco SK200-3 excavator?
A: Yes, if your Kobelco SK200-3 is equipped with the Mitsubishi 6D31 engine, this cylinder head (ME997159/ME997168) is a direct bolt-on replacement. Always confirm your engine model and serial number prior to purchase.
Q: Does the cylinder head come with valves and valve springs installed?
A: This listing is for the cylinder head casting assembly as specified. It typically includes valve guides and seats machined. Valves, springs, rockers, and camshafts are usually sold separately. Please contact us for complete head assembly options if required.
Q: What preparations are recommended before installing a new cylinder head?
A: For optimal performance and warranty validation, we strongly recommend:
- Having the head checked for flatness by a qualified machinist.
- Replacing the head bolts/studs with new ones, as they are torque-to-yield.
- Using a new head gasket kit specific to the 6D31 engine.
- Ensuring the engine block deck surface is clean and flat.
Follow the manufacturer’s torque sequence and specifications precisely during installation.
Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.
2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.
3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.
4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.
5. Scientific ERP system, easy and fast to locate the parts that customer needs.
6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.
Exhibition

Packing&Shipping

1. Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).
2. Once we get confirmation of payment, we will ship products in 2 days.
3. Our packaging is standard export wooden box or others as your requirement.
4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ
Q1. What is your company major products?
A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.
Q2.What is the MOQ?
A: Normally we can supply any quantity if we have in stock.
Q3. What is your payment term ?
A: We accept Western Union, T/T, Paypal.
Q4. What is the packing ?
A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.
Q5. When can you deliver products after payment ?
A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .
Q6. What can you do to complete order perfectly ?
A: In the beginning , We will communicate with clients in details to understand what they need .
Before packing , We will check the products and send photos to clients .After confirmation ,
We will packing products well to avoid damage . Once we get tracking number ,
We will send it to customer and keep contact in with clients .