OEM / REF: 421-43-22912SKU: pilotpart738323-8597930246392
Pressure Switch 421-43-22912 for Komatsu Compactors WF550-3D WF550T-3 WF550T-3D is a Pressure Switch replacement part for Komatsu Electrical Parts, categorized under Electrical Parts > Pressure Switch. Use OEM part number 421-43-22912 and confirm machine model, engine model, and serial details before checkout.
This Pressure Switch is indexed for Komatsu WF550-3D S/N 50001-UP WF550T-3 S/N 50001-UP WF550T-3D S/N 50001-UP. Compare reference number 421-43-22912 against the label on your existing Komatsu component before ordering.
Additional cross references on file: WY421-43-22912. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.
Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.
Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.
Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.
