
Product Overview
This is a premium-quality replacement cylinder head engineered for the Komatsu 6D125 diesel engine. Designed for global distribution, this critical engine component is manufactured to exact OEM specifications, ensuring reliable performance and durability for heavy-duty applications. We supply directly to workshops, distributors, and fleet operators worldwide, with major markets including North America, Europe, the Middle East, Asia-Pacific, and Africa.
Key Features & Benefits
- Precision Engineered: Manufactured to strict OEM dimensions and tolerances for a perfect fit and optimal engine performance.
- High-Performance Material: Cast from high-grade, heat-resistant alloy to withstand extreme temperatures and pressures within the combustion chamber.
- Enhanced Durability: Precision-machined surfaces and valve guides ensure long service life and reduce the risk of premature failure.
- Direct Replacement: Designed as a direct bolt-on replacement, minimizing installation time and complexity for your Komatsu equipment.
- Rigorously Tested: Each unit undergoes stringent quality checks, including pressure testing, to guarantee integrity and reliability before shipment.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Cylinder Head |
| Engine Model | Komatsu 6D125 (SAA6D125, 6D125-7) |
| Engine Type | Diesel |
| OEM Part Numbers | 6156-11-1100, 6156-11-1101, 6156-11-1102 |
| Size / Dimensions | OEM Standard Size |
| Weight (Net) | 16 kg |
| Shipping Weight (Gross) | 17.000 kg |
| Package Size | 30 x 20 x 23 cm |
| Quality Standard | High Performance |
| Warranty | 6 Months |
OEM Cross-Reference
This cylinder head is a direct replacement for the following Komatsu OEM part numbers:
- 6156-11-1100
- 6156-11-1101
- 6156-11-1102
It is also compatible with the engine model designations: 6D125, SAA6D125, and 6D125-7.
Compatibility
Primary Application: This cylinder head is designed specifically for the Komatsu PC400-7 excavator model, powered by the 6D125 series diesel engine.
Engine Compatibility: Komatsu 6D125, SAA6D125, 6D125-7 diesel engines.
Vehicle/Equipment Compatibility: Primarily for the Komatsu PC400-7 excavator. May also be compatible with other Komatsu machinery utilizing the same 6D125 engine platform, including certain trucks, loaders, and bulldozers. Please verify your specific engine serial number for confirmation.
Global Supply & Distribution
We are a professional 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 industrial hubs and ports worldwide.
- Worldwide Shipping: We ship to all major continents, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), the Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore, Japan), and South America.
- Efficient Logistics: We partner with leading freight forwarders to ensure timely delivery via air or sea to your nearest port or directly to your warehouse.
- Export-Ready Packaging: All parts are securely packaged in export-standard crates to prevent damage during long-distance transit.
- B2B Expertise: We handle all necessary export documentation, certifications, and customs clearance support for a smooth transaction.
Quality Assurance
Our commitment to quality ensures you receive a component you can trust for critical engine repairs.
- Manufacturing Standards: Produced in ISO-certified facilities using advanced casting and CNC machining processes.
- Comprehensive Testing: Every cylinder head undergoes pressure testing to check for leaks and dimensional inspection to verify critical tolerances.
- Documentation: A machinery test report is provided with each shipment. Video outgoing-inspection is available upon request for quality verification.
- Warranty Backed: This part is covered by a 6-month warranty against manufacturing defects, providing peace of mind for your investment.
FAQ
Q1: Is this a complete, ready-to-install cylinder head assembly?
A1: This product is the cylinder head casting, machined and ready for installation. It typically includes valve guides and may require the installation of valves, springs, injectors, and other ancillary components from your original engine, depending on the specific kit or assembly you order. Please confirm the exact scope of supply with our sales team.
Q2: How do I confirm this part will fit my Komatsu PC400-7 excavator?
A2: The most accurate method is to cross-reference your machine’s engine serial number and the existing OEM part number on your current cylinder head. This part replaces Komatsu numbers 6156-11-1100, 1101, and 1102 for the 6D125 engine. Providing your equipment’s model and serial number to our technical team can ensure a perfect match.
Q3: What precautions should be taken during installation?
A3: For optimal performance and to avoid damage, always use a new cylinder head gasket set and follow the manufacturer’s specified torque sequence and values when bolting the head to the engine block. It is also highly recommended to check the head and block mating surfaces for flatness and to ensure the cylinder head bolts are within specification or replaced if necessary.
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 .