Muffler Description
This Muffler is indexed for Part Number; Komatsu Excavator PC120-1 PC120-2 Engine S4D105 Muffler 6135-11-5580. Compare reference number 6135-11-5580 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number 6135-11-5580, 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.




