Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.
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 Doosan DX12 Full Gasket Kit (Part Numbers: 65.03901-0077 / 65.03901-0078) is a complete engine overhaul gasket set designed specifically for the Doosan DX12 series diesel engine. Engineered to meet or exceed OEM specifications, this kit provides all necessary gaskets and seals for a comprehensive top-end or full engine rebuild. We supply heavy equipment parts globally, serving major markets in North America, Europe, the Middle East, Asia-Pacific, and Africa, ensuring fast and reliable shipping to industrial centers and ports worldwide.
Key Features & Benefits
Complete Kit: Includes all necessary gaskets, seals, and o-rings for a full engine overhaul, eliminating the need to source individual components.
OEM Quality: Manufactured from high-grade materials (multi-layer steel, rubber, and composite) to ensure a perfect seal and long service life, matching original Doosan specifications.
Durability: Designed to withstand extreme temperatures, high compression, and pressure within the Doosan DX12 engine, preventing leaks and blowouts.
Cost-Effective: A reliable, high-quality alternative to OEM parts, offering significant cost savings without compromising performance or fitment.
Precision Fit: Each component is precision-cut and molded to ensure exact fitment, reducing installation time and the risk of errors.
This gasket kit directly replaces the following OEM part numbers. Please verify your engine’s specific configuration before ordering.
Primary Number: 65.03901-0077
Alternative Number: 65.03901-0078
OEM Equivalent: Doosan / Daewoo Heavy Industries
Compatibility
Engine Models: Specifically designed for the Doosan DX12 diesel engine.
Equipment Applications: Commonly used in Doosan heavy machinery such as excavators, loaders, and other industrial equipment powered by the DX12 engine.
Year Range: Fits models manufactured from the early 2000s to present, depending on specific engine serial number.
Global Supply & Distribution
Worldwide Shipping: We offer fast and reliable shipping to all major global destinations.
Major Markets: Our parts are regularly exported to North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), the Middle East (UAE, Saudi Arabia, Qatar), Asia-Pacific (Australia, Singapore, Indonesia), and Africa (South Africa, Nigeria, Kenya).
Logistics: We partner with major carriers (DHL, FedEx, UPS, Sea Freight) to ensure timely delivery to industrial centers, ports, and job sites.
Trade Compliance: We maintain full export documentation and customs compliance for smooth international transactions.
Quality Assurance
Manufacturing Standards: Produced in ISO 9001:2015 certified facilities, ensuring strict quality control from raw material to finished product.
Warranty: Comes with a standard 12-month warranty against manufacturing defects in materials and workmanship. Extended warranty options are available upon request.
Testing: Each gasket kit undergoes rigorous quality checks, including dimensional verification, pressure testing, and material composition analysis to guarantee a perfect seal and long-lasting performance.
FAQ
Q: Is this gasket kit a direct replacement for the OEM Doosan part?
A: Yes, this kit is manufactured to meet or exceed OEM specifications. Part numbers 65.03901-0077 and 65.03901-0078 are direct replacements for the original Doosan components, ensuring a perfect fit and reliable performance.
Q: What is typically included in this full gasket kit?
A: This comprehensive kit includes all major gaskets and seals for a complete engine overhaul, such as the cylinder head gasket, valve cover gasket, oil pan gasket, intake/exhaust manifold gaskets, turbocharger gaskets, and all necessary o-rings and seals. Please check the specific kit contents for your exact engine model.
Q: Can I use this kit for a top-end rebuild, or is it only for a full overhaul?
A: This kit is ideal for both top-end and full engine overhauls. While it contains all gaskets needed for a complete rebuild, you can select only the required components for a top-end job. However, we recommend replacing all gaskets and seals during any major engine service to ensure long-term reliability and prevent future leaks.
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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