Product Details

Product Overview

This comprehensive engine repair set is specifically engineered for Komatsu PC450-10 and PC400-7 excavators powered by the 6D125 and SAA6D125-7 diesel engines. As a critical maintenance solution, this kit includes a full gasket set and an upper repair kit, providing all necessary components for a top-end overhaul. Sourced from high-quality manufacturing facilities, these parts meet or exceed OEM specifications, ensuring reliable performance and extended engine life. We maintain substantial stock for global distribution, serving major markets in North America, Europe, Asia-Pacific, the Middle East, and South America, with fast shipping to industrial hubs worldwide.

Key Features & Benefits

• Complete Overhaul Solution: Includes both a full gasket set and an upper repair kit, simplifying the procurement process for a comprehensive top-end engine rebuild.
• OEM-Grade Quality: Manufactured using premium materials such as multi-layer steel (MLS) head gaskets and high-tensile steel for sealing rings, ensuring a perfect seal and resistance to extreme pressure and temperature.
• Enhanced Durability: Designed to withstand the demanding conditions of heavy-duty excavator operations, reducing the risk of premature failure and costly downtime.
• Precision Fitment: All components are engineered to exact OEM specifications for direct bolt-on installation, eliminating the need for modifications.
• Cost-Effective Maintenance: Provides a significant cost saving compared to purchasing individual OEM parts, offering exceptional value for fleet maintenance budgets.

Technical Specifications

OEM Cross-Reference

This kit is a direct replacement for the following genuine Komatsu part numbers:

• Full Gasket Set: 6159-K1-9900, 6159-K2-9900
• Upper Gasket Set: 6159-K1-9910 (Alternative)
• Lower Gasket Set: 6159-K2-9910 (Alternative)

Compatibility

This engine repair set is specifically designed for the following equipment and engine models:

• Engine Models: Komatsu 6D125 (Direct Injection), Komatsu SAA6D125-7 (Turbocharged, Aftercooled)
• Excavator Models:
  • Komatsu PC450-10
  • Komatsu PC400-7
  • Komatsu PC400LC-7
• Year Ranges: Typically applicable to machines manufactured between 2000 and 2015. Please verify your engine serial number for precise compatibility.

Global Supply & Distribution

We are a leading global supplier of heavy-duty engine components, offering reliable logistics to support your operations anywhere in the world.

• Worldwide Shipping: We ship to all major continents including North America, South America, Europe, Asia-Pacific, the Middle East, and Africa.
• Major Ports & Hubs: Fast, reliable delivery to major industrial centers and ports such as Houston, Rotterdam, Shanghai, Dubai, and Singapore.
• Logistics Options: We offer express (DHL, FedEx, UPS), air freight, and sea freight (FCL/LCL) to meet your budget and timeline.
• Trade Compliance: Experienced in international export documentation, customs clearance, and compliance with all relevant trade regulations.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities, ensuring consistent quality control.
• Material Certification: All raw materials are traceable and tested for hardness, tensile strength, and thermal resistance.
• Testing: Each kit undergoes a 100% visual inspection and dimensional verification against OEM master samples before packaging.
• Warranty: We provide a standard 12-month warranty against manufacturing defects, with a hassle-free replacement policy.

FAQ

Q: What is the difference between the 6159-K1-9900 and 6159-K2-9900 kits?

A: The 6159-K1-9900 is the Full Gasket Set, containing all gaskets for the entire engine (top and bottom end). The 6159-K2-9900 is the Upper Repair Kit, which includes smaller seals, O-rings, and specific gaskets for the cylinder head and valve train area. For a complete top-end overhaul, you may need both kits or the combined set offered here.

Q: Can I use this kit on a Komatsu PC400-8 or PC450-8?

A: No. This kit is specifically designed for the 6D125 and SAA6D125-7 engines found in the PC400-7 and PC450-10 series. The PC400-8 and PC450-8 models typically use the SAA6D125E-3 engine, which has a different gasket configuration. Please verify your engine model and serial number before ordering.

Q: Does this kit include a head gasket and valve stem seals?

A: Yes. As a full gasket and upper repair kit, it includes the cylinder head gasket (multi-layer steel) and valve stem seals. It also includes all necessary intake/exhaust manifold gaskets, valve cover gasket, and other upper engine seals required for a complete top-end rebuild.

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 .