Front Idler Description
This Front Idler is indexed for Komatsu s: For Komatsu Bulldozer: D80A-12 S/N 10001-UP D80P-12 S/N 1001-UP D85A-12 S/N 10001-UP. Compare reference number 154-30-00290 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number 154-30-00290, 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.




