Radiator Description
This Radiator is indexed for Part Number; Komatsu Excavator PW20-1 PW30-1 PW30T-1 PC38UU-1 Water Tank Engine Radiator Core ASS'Y 20S-03-11212; Model: Komatsu Excavator PW20-1 PW30-1 PW30T-1 PC38UU-1See Details: PW30T-1 S/N 1001-UPPW30-1 S/N 1001-UPPW20-1 S/N 1001-UPPC38UU-1 S/N 1001-UP. Compare reference number 20S-03-11212 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number 20S-03-11212, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.




