4D102-5P Engine Oil Cooler 3921557 for Komatsu PC120-6 Excavator Engine Parts

Product Details

Product Overview

This is a high-quality, brand-new Engine Oil Cooler, specifically designed for the Komatsu PC120-6 excavator. The part is identified by the OEM number 3921557 and is a critical component for the 4D102-5P diesel engine. As a core part of the engine’s lubrication system, this oil cooler ensures optimal operating temperatures by effectively dissipating heat from the engine oil, thereby protecting the engine from overheating and premature wear.

Manufactured to meet or exceed original equipment specifications, this oil cooler is a direct replacement for the factory-installed unit. It is commonly used for Komatsu PC120-6 and PC120-5P excavator models, providing a reliable and durable solution for maintaining engine performance and longevity. This product is sourced from a reputable supply chain in Shanghai, China, and is ready for global distribution.

Key Features & Benefits

• Direct Fit Replacement: Engineered to precisely match the OEM specifications of the 4D102-5P engine, ensuring a hassle-free installation without modifications.
• Superior Heat Dissipation: High-efficiency core design maximizes heat transfer, keeping engine oil at the ideal temperature for optimal lubrication and protection.
• 100% New Construction: This is a brand-new unit, not a remanufactured or used part, guaranteeing full service life and performance integrity.
• Durable Build Quality: Manufactured from high-grade materials to withstand extreme pressure and temperature fluctuations common in heavy-duty excavator operation.
• Enhanced Engine Protection: Prevents oil breakdown and sludge formation by maintaining consistent oil temperature, extending the life of your engine.
• Rigorous Quality Control: Each unit undergoes a machinery test report and video outgoing inspection to ensure flawless function before shipping.

Technical Specifications

OEM Cross-Reference

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

• Komatsu OEM: 3921557

Please verify your original part number against the list above to confirm compatibility. This is the primary OEM reference for this specific oil cooler design.

Compatibility

This Engine Oil Cooler is commonly used for the following machinery and engine combinations:

• Excavator Models: Komatsu PC120-6, Komatsu PC120-5P
• Engine Models: Komatsu 4D102-5P

Note: This is a specific engine component. While it is designed for the listed models, we recommend cross-referencing your existing part number (3921557) to ensure an exact match for your specific machine serial number.

Global Supply & Distribution

We are a dedicated supplier of high-quality aftermarket and OEM-equivalent engine parts, with a robust logistics network supporting international B2B buyers. Our stock is strategically located in Shanghai, China, allowing for efficient export to major global markets.

We serve a wide range of clients across North America, Europe, Southeast Asia, the Middle East, Africa, and South America. Our standard shipping partners include DHL, FedEx, UPS, and sea freight services (FCL/LCL) to major ports such as Los Angeles, Rotterdam, Dubai, Singapore, and Shanghai. We offer fast processing times and can provide tracking information for all shipments.

Our team has extensive experience in international trade, ensuring all documentation (Commercial Invoice, Packing List, Bill of Lading) is handled correctly for smooth customs clearance.

Quality Assurance

All our products are manufactured in ISO-certified facilities, adhering to strict quality control standards. Each Engine Oil Cooler is inspected to ensure it meets the required specifications for pressure integrity and thermal performance.

• Inspection: Video outgoing inspection and machinery test reports are provided upon request.
• Warranty: Standard warranty applies against manufacturing defects. Please contact our sales team for specific warranty terms and conditions.
• Certifications: Our parts are designed to meet or exceed the quality of the original OEM components.

FAQ

Q: How can I be sure this oil cooler fits my Komatsu PC120-6 excavator?

A: The best way to confirm fitment is to check the OEM part number on your existing cooler. If it is stamped with 3921557, this unit will be a direct replacement. This cooler is specifically designed for the 4D102-5P engine used in the PC120-6 and PC120-5P models.

Q: What maintenance is required for this engine oil cooler?

A: The oil cooler itself is a maintenance-free component, but its performance depends on a clean cooling system. We recommend flushing your engine’s coolant system according to Komatsu’s maintenance schedule. Ensure the cooler fins are free of debris and that the oil and coolant hoses are in good condition to prevent leaks.

Q: What is the typical shipping time for orders to North America?

A: For express courier services (DHL/FedEx), delivery to North America typically takes 5-7 business days after dispatch. For sea freight, transit time is approximately 20-30 days to major ports like Los Angeles or Houston. We can provide a precise shipping quote and estimated delivery time based on your specific location and order quantity.