Product Overview

This premium DB58 Cylinder Block Assembly is engineered as a direct replacement for Doosan heavy-duty diesel engines, commonly used in excavators and industrial machinery. We specialize in supplying high-quality engine components to a global B2B market, with extensive experience serving key industrial regions including North America, Europe, the Middle East, and Asia-Pacific. Our products are designed to meet the rigorous demands of construction and mining operations worldwide.

Key Features & Benefits

• Precision Manufacturing: Manufactured to strict tolerances using high-grade cast iron for superior structural integrity and heat dissipation.
• Enhanced Durability: Designed to withstand high compression and thermal stress, ensuring long service life and reduced downtime.
• Optimal Performance: Ensures proper alignment for pistons, crankshaft, and camshaft, maintaining original engine power and efficiency.
• Direct OEM Replacement: Engineered as a direct fit, eliminating compatibility issues and simplifying the engine rebuild process.
• Corrosion Resistance: Treated surfaces and high-quality materials resist corrosion, extending the block’s lifespan in harsh operating environments.

Technical Specifications

OEM Cross-Reference

This cylinder block assembly is a direct replacement for the following OEM part numbers:

• Primary OEM No.: 8-98023-526-0
• Alternative/Cross Reference: DB58-2-1130A (Consult for specific model verification)

Note: Always verify the part number stamped on your original engine block for absolute compatibility.

Compatibility

This assembly is specifically designed for the Doosan DB58 diesel engine. This engine is commonly found in:

• Excavators: Doosan (formerly Daewoo) DX series excavators (e.g., models utilizing the DB58 engine).
• Industrial Applications: Various heavy machinery and power generation sets using the DB58 powerplant.

For precise application, please confirm your engine model and serial number.

Global Supply & Distribution

We are a trusted global supplier for heavy equipment parts distributors and repair workshops. Our logistics network ensures reliable delivery to major industrial hubs and ports worldwide.

• Worldwide Shipping: We export to North America (USA, Canada, Mexico), Europe (UK, Germany, Poland), Asia-Pacific (Australia, Singapore, Japan), the Middle East (UAE, Saudi Arabia), and South America.
• Efficient Logistics: We offer various shipping methods (air, sea) with consolidated container options for bulk orders to major ports like Los Angeles, Rotterdam, Singapore, and Jebel Ali.
• Trade Compliance: All shipments are prepared with complete and accurate commercial documentation (invoice, packing list, certificate of origin) to ensure smooth customs clearance internationally.

Quality Assurance

Every cylinder block undergoes rigorous quality control to meet performance standards.

• Manufacturing Standard: Produced in ISO-certified facilities using advanced casting and machining processes.
• Dimensional Inspection: Critical surfaces, bore dimensions, and alignment points are precision-checked.
• Pressure Testing: Blocks are tested for material integrity and to ensure there are no casting defects.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q1: Is this cylinder block a complete assembly, and what does it include?
A1: This is sold as the cylinder block casting core assembly. It typically includes the main block with machined cylinder bores, main bearing saddles, and coolant/oil passages. It does not include internal components like pistons, liners (unless specified), crankshaft, or bearings. Please check the product images and description for exact inclusions.

Q2: How do I ensure this part fits my specific Doosan excavator?
A2: The most reliable method is to match the engine model (DB58) and the part number (8-98023-526-0). We strongly recommend providing your equipment’s model number, engine serial number (ESN), and the part number from your old block for our team to perform a final compatibility verification before purchase.

Q3: What are the key installation checks for a new cylinder block?
A3: Prior to installation, always: 1) Thoroughly clean all oil and coolant passages. 2) Visually inspect for any shipping damage. 3) Verify the alignment of main bearing bores and cylinder bore dimensions with a micrometer. 4) Use a straightedge to check the deck surface for flatness. Proper cleaning and inspection are crucial for a successful engine 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 .