Doosan D1146 Engine Oil Cooler Lower Cover 65.05601-7138A for Excavator Machinery

Product Details

Product Overview

This high-quality Doosan D1146 Engine Oil Cooler Lower Cover (OEM Number: 65.05601-7138A) is a precision-engineered replacement component designed specifically for Doosan heavy machinery diesel engines. Manufactured by, this oil cooler cover is a critical part of the engine’s lubrication and cooling system, ensuring proper oil flow and heat dissipation to maintain optimal engine operating temperatures.

As a 100% new, top-quality part, this lower cover is commonly used for Doosan excavators and other engineering machinery equipped with the D1146 diesel engine. It serves as a direct replacement for the original factory part, helping to restore engine performance and prevent oil leaks or cooling system failures. The part is manufactured to strict OEM specifications, ensuring reliable fitment and long service life in demanding construction and mining environments.

Key Features & Benefits

• OEM-Grade Quality: Manufactured to match original Doosan specifications for perfect fitment and reliable performance on D1146 engines.
• Direct Replacement: Designed as a one-to-one swap for part number 65.05601-7138A, minimizing downtime during repairs or overhauls.
• Durable Construction: Built from robust materials to withstand high temperatures, pressure, and constant vibration common in heavy machinery applications.
• Leak Prevention: Precision-machined sealing surfaces help prevent oil leaks that can lead to engine damage or contamination.
• Thermal Management: Optimized design ensures efficient heat transfer from engine oil to the cooling system, protecting critical engine components.
• 100% New Condition: Not a remanufactured or used part; guaranteed fresh stock with no prior wear or fatigue.
• Rigorous Testing: Each unit undergoes outgoing inspection and machinery test reporting to verify quality standards before shipment.

Technical Specifications

OEM Cross-Reference

This oil cooler cover is a direct replacement for the following original equipment manufacturer part number:

• 65.05601-7138A (Doosan / Daewoo)

Please verify your existing part number matches 65.05601-7138A before ordering. This part is specifically designed for the Doosan D1146 engine platform and may not be interchangeable with other engine models without cross-referencing.

Compatibility

This component is commonly used for the following applications:

• Engine Model: Doosan D1146 Diesel Engine
• Machine Type: Doosan Excavators and Engineering Machinery
• Application: Engine oil cooling system on heavy construction equipment

Note: Compatibility is based on the engine model and OEM part number. Always confirm fitment with your equipment’s parts manual or serial number before purchasing.

Global Supply & Distribution

maintains a robust global supply chain to serve B2B buyers across international markets. We offer worldwide shipping from our distribution hub in Shanghai, China, with reliable logistics partners ensuring fast delivery to major ports and industrial centers.

Our primary export markets include:

• North America: United States, Canada, Mexico
• Europe: EU member states, United Kingdom, Norway, Switzerland
• Asia-Pacific: Japan, South Korea, Australia, New Zealand, Southeast Asia
• Middle East & Africa: UAE, Saudi Arabia, South Africa, Egypt
• South America: Brazil, Chile, Argentina, Peru

We have extensive experience in international trade documentation, customs clearance, and export compliance. Bulk orders and consolidated shipping are available for volume buyers. Contact our sales team for competitive freight quotes to your location.

Quality Assurance

Each oil cooler cover is manufactured under strict quality control standards in our Shanghai facility. Our quality assurance process includes:

• Outgoing Inspection: Every unit is visually and dimensionally inspected before packing.
• Machinery Test Report: Sample testing is conducted to verify material integrity and sealing performance.
• Standardized Packing: Parts are securely packed in ARTSS-branded industrial packaging to prevent damage during transit.

While specific warranty terms should be confirmed with your sales representative, stands behind the quality of its 100% new parts. We recommend inspecting the part upon arrival and comparing it with your original component before installation.

FAQ

Q1: Is this oil cooler cover a direct fit for my Doosan D1146 engine?
A: Yes, this cover (OEM 65.05601-7138A) is designed as a direct replacement for the Doosan D1146 engine. It matches the original dimensions, bolt pattern, and sealing surfaces. However, we recommend comparing your existing part’s OEM number to ensure compatibility, as engine configurations may vary by machine series and year.

Q2: What are common signs that this oil cooler cover needs replacement?
A: Common indicators include visible oil leaks around the cooler housing, rising engine oil temperatures, contamination of coolant with oil, or physical damage (cracks/warping) to the cover. If you notice oil residue on the outside of the cooler assembly or a drop in oil pressure, inspect this cover for damage. Prompt replacement prevents further engine cooling system issues.

Q3: What maintenance should be performed when replacing the oil cooler cover?
A: When replacing this cover, always use a new gasket or seal (sold separately if not included). Clean the mating surfaces thoroughly to remove old gasket material and debris. Torque the mounting bolts to the manufacturer’s specifications—typically in a cross-pattern sequence. After installation, check engine oil and coolant levels, run the engine, and inspect for leaks. It’s also a good practice to change the engine oil and filter if contamination is suspected.