[Dual Part Number Precision for WA380 Series Fit]：Features authentic part numbers 423-03-41120 and 4230341120—each engineered to match the original charge air cooler specs of Komatsu WA380-6/WA380Z-6 excavators. This ensures seamless alignment with the engine's air intake system: no mismatched mounting holes, leaky air interfaces, or airflow restrictions, avoiding costly installation reworks during critical construction or mining projects.
[High-Efficiency Heat Dissipation for Engine Power]：Designed as a high-performance intercooler that rapidly cools compressed intake air (from the turbocharger)—lowering air temperature by up to 50°C to optimize fuel combustion. It fixes common issues from clogged/worn intercoolers: reduced engine power (slowing bucket loading), increased fuel consumption (wasting diesel), or turbo overheating (risking engine damage), restoring the excavator's factory-level work efficiency.
[Heavy-Duty Construction for Excavator Environments]：Crafted with industrial-grade materials: corrosion-resistant aluminum core (for fast heat transfer), reinforced steel end tanks (to withstand high air pressure), and leak-proof silicone gaskets (to seal air flow). It resists damage from construction site hazards—like flying gravel, vibration from heavy digging, or exposure to rain/mud—and maintains performance for over 5,000 work hours.
[Optimized Airflow Design for Consistent Cooling]：Features a dense, multi-row fin structure and large air passageways that maximize contact between hot compressed air and cooling air. Even during continuous high-load operation (e.g., all-day gravel loading or earthmoving), it maintains stable intake air temperature, preventing engine power loss from heat soak and ensuring consistent digging/loading speed.
[Drop-In Replacement to Minimize Downtime]：Designed as a direct swap for the original Komatsu intercooler—no modifications to air hoses, mounting brackets, or hardware are needed. Mechanics can install it on WA380-6/WA380Z-6 excavators in 3-4 hours with standard tools, avoiding days of equipment downtime that delay construction deadlines or mining operations.
Description
Item Name:Cooler
Item Number:423-03-41120 4230341120
Application:Compatible with Komatsu Excavator WA380-6 WA380Z-6
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