Product Overview

This is a premium piston ring set engineered for Doosan DX12 series diesel engines. Designed to meet or exceed OEM specifications, this set is a critical component for engine rebuilds and overhauls, ensuring optimal compression, oil control, and engine longevity. We supply this high-demand part globally, with major markets including North America, Europe, the Middle East, and the Asia-Pacific region, supporting the maintenance of heavy machinery and commercial vehicles worldwide.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM dimensions and tolerances for a perfect fit and reliable performance.
• Enhanced Durability: Made from high-grade materials to withstand high temperatures and pressures, reducing wear and extending engine life.
• Optimal Sealing: Ensures proper cylinder compression for maximum engine power and fuel efficiency.
• Superior Oil Control: Designed to minimize oil consumption while providing adequate lubrication for the cylinder walls.
• Complete Set: Includes all necessary rings for a full piston assembly, simplifying the procurement process for workshops and distributors.

Technical Specifications

OEM Cross-Reference

This piston ring set directly replaces the following OEM part numbers:

• Doosan: 401004-00226
• Doosan: 401004-00253S

Always verify the part number from your original engine or service manual before ordering to ensure correct compatibility.

Compatibility

Engine Models: This piston ring set is specifically designed for the Doosan DX12 series diesel engines, including the DX12, DX12TI, and DX12TIS variants.

Vehicle & Machinery Application: Ideal for a wide range of equipment powered by the Doosan DX12 engine, such as:

• Forklifts
• Excavators
• Trucks
• Loaders
• Bulldozers
• Buses
• Other Industrial and Construction Machinery

Global Supply & Distribution

We are a trusted supplier in the global automotive aftermarket, specializing in the export of heavy-duty engine components. Our logistics network ensures efficient delivery to key industrial hubs and ports worldwide.

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), the Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore, Japan), and South America.
• Fast Delivery: Consolidated shipments and established freight partnerships enable reliable delivery to major ports and inland logistics centers.
• Export Expertise: All documentation, including commercial invoices and packing lists, is prepared to comply with international trade regulations for smooth customs clearance.

Quality Assurance

We are committed to supplying parts that meet the highest standards of performance and reliability.

• Manufacturing Standards: Produced in ISO-certified facilities using precision machining and quality-controlled materials.
• Warranty: Backed by a 6-month warranty against manufacturing defects from the date of purchase.
• Testing & Inspection: Each batch undergoes rigorous machinery testing. A detailed machinery test report and video outgoing-inspection records are available upon request to verify quality and specifications.

FAQ

Q1: How do I confirm this piston ring set fits my specific Doosan DX12 engine?
A1: The most reliable method is to cross-reference the part number stamped on your original rings or listed in your engine’s service manual with our listed OEM numbers (401004-00226 or 401004-00253S). Always check the engine model (DX12, DX12TI, DX12TIS) for final verification.

Q2: What is included in the packaging, and is it suitable for international shipping?
A2: The piston ring set is individually packed in a protective plastic bag, placed in a box, and then secured in a master carton. This multi-layer packaging is designed to prevent damage during long-distance shipping and handling, ensuring the parts arrive in perfect condition.

Q3: What precautions should be taken during installation?
A3: For optimal performance, ensure the cylinder bore is within specification, clean, and properly honed. Always install the rings in the correct order and orientation as specified in the service manual. Use proper ring installation tools to avoid scratching or twisting the rings, and lubricate components as recommended during assembly.

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 .