OEM-specification Komatsu Air Filter. Part number 203-979-6591. Compatible with Komatsu Excavator Pc200 6Z Pc200Lc 6Z Pc200Z 6Le Pc300 6 Pc300Lc 6Z Pc340 6K Pc350Lc 6Z Pc380Lc 6K.
Always verify with serial number before ordering.
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Never run an engine without a filter — even briefly causes abrasive damage. Pre-fill fuel filters with clean fuel before fitting to reduce prime time. Replace O-rings on filter housings every second service. Record change dates on filter housing.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.