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Fitment checkOEM number, engine model, and machine model confirmation.
Manual quotePrice, MOQ, stock, lead time, and replacement options.
Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This premium Full Gasket Kit is specifically engineered for Komatsu machinery equipped with the robust 4D105-5 diesel engine. As a critical component of a complete engine overhaul, this set ensures a perfect seal and restores compression integrity. We serve a global clientele, with extensive shipping to North America, Europe, the Middle East, and the Asia-Pacific region, ensuring that your heavy equipment is back in operation with minimal downtime.
Key Features & Benefits
OEM Standard Fitment: Manufactured to meet or exceed original Komatsu specifications for a precise, hassle-free installation.
Superior Material Composition: Constructed from high-grade materials including multi-layer steel (MLS) for cylinder head gaskets, resisting high heat and pressure.
Comprehensive Coverage: Includes every gasket and seal necessary for a complete upper engine rebuild, eliminating the need to source individual parts.
Enhanced Durability: Designed to withstand the rigorous demands of heavy construction and mining applications, ensuring long service life.
Cost-Effective Solution: Provides a reliable alternative to Genuine Komatsu parts without sacrificing quality, offering significant savings for fleet maintenance.
Technical Specifications
Specification
Detail
Part Number
6131-11-1811 / 6131-K1-4000
Engine Model
Komatsu 4D105-5
Product Type
Full Gasket Kit (Upper Engine Set)
Material
High-Tensile Steel / Aramid Fiber / NBR Rubber
Application
Engine Overhaul & Repair
Warranty
12 Months
OEM Cross-Reference
This gasket set replaces the following original Komatsu part numbers:
6131-11-1811 (Main OEM Number)
6131-K1-4000 (Alternative OEM Number)
Note: Always verify your engine serial number for exact compatibility.
Compatibility
Engine: Komatsu 4D105-5
Vehicle/Machinery Applications: Komatsu bulldozers (e.g., D31, D37, D38 series), excavators, and other heavy equipment utilizing this engine platform.
Year Range: Primarily 1990s to early 2000s models. Check your engine serial plate for confirmation.
Global Supply & Distribution
We are a dedicated supplier of aftermarket engine parts for the global construction and mining industry. Our logistics network ensures:
Worldwide Shipping: Reliable delivery to all major ports including Shanghai, Rotterdam, Houston, Dubai, and Singapore.
Major Markets: Extensive presence in North America (USA, Canada), Europe (Germany, UK, France), Middle East (UAE, Saudi Arabia), and Asia-Pacific (Australia, Japan).
Fast Turnaround: Orders processed within 24 hours, with expedited shipping options available for urgent breakdowns.
Trade Compliance: Full compliance with international export regulations, providing smooth customs clearance.
Quality Assurance
Manufacturing Standard: Produced in ISO 9001 certified facilities, ensuring consistent quality control.
Testing: Each gasket undergoes rigorous dimensional and material testing to guarantee a perfect seal.
Warranty: Backed by a comprehensive 12-month warranty against manufacturing defects, providing peace of mind for your investment.
FAQ
Q1: Is this gasket kit a direct replacement for the OEM Komatsu part? A: Yes, this kit is designed as a direct aftermarket replacement. It matches the exact dimensions and material specifications of the original Komatsu 6131-11-1811 and 6131-K1-4000 kits, ensuring a bolt-on installation without modifications.
Q2: What is typically included in this “Full Gasket Set”? A: This kit includes all upper engine gaskets and seals, such as the cylinder head gasket, valve cover gasket, intake/exhaust manifold gaskets, oil pan gasket, front and rear crankshaft seals, and various O-rings. It provides everything needed for a top-end overhaul.
Q3: What is the recommended installation procedure? A: We recommend following the official Komatsu service manual for your specific engine model. Critical steps include cleaning all mating surfaces thoroughly, applying thread locker to head bolts as specified, and tightening all fasteners to the manufacturer’s torque specifications in the correct sequence.
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 .
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