Light Switch PC60-8 PC70-8 PC88MR-8 PC200-8 PC400-8 PN 20Y-06-42121

Light Switch for Komatsu Dash-8 Excavators – Part No. 20Y-06-42121

Keep your work lights operating reliably with this replacement light switch, part number 20Y-06-42121, suitable for a wide range of Komatsu Dash-8 excavators — from the compact PC60-8 and PC88MR-8 midis through the popular PC200-8, right up to the PC400LC-8. Built to OEM specifications, this cab-mounted switch provides positive switching action and dependable electrical contact shift after shift.

A worn light switch can leave you with flickering work lights, lights that won't switch on, or intermittent operation — a real problem for early starts, late finishes and night shifts. This quality aftermarket replacement restores full lighting control without the OEM price tag.

Product Details

Why Buy From Lucas Parts

• Australia-Wide Shipping – Fast dispatch from our Melbourne warehouse
• Quality Tested – Every part checked before it ships
• Expert Support – Not sure about fitment? Our team knows excavators
• Trusted Supplier – Specialists in aftermarket parts for Komatsu, CAT, Hitachi, Kubota and more

Fitment Note: Please verify part number 20Y-06-42121 (or superseded number 20Y-06-42120) against your machine's serial number or existing switch before ordering. Contact us if you're unsure — we're happy to confirm compatibility.