OEM / REF: pilotpart085523SKU: pilotpart085523-9133083295992
2021B ET4 ET IV Communication Adapter 538-5051 478-0235 For CAT Heavy Equipment (Ship to US Only.) is a Communication Adapter replacement part for Caterpillar Electrical Parts, categorized under Electrical Parts > Communication Adapter. Use OEM part number pilotpart085523 and confirm machine model, engine model, and...
This Communication Adapter is indexed for CAT s: For CAT Heavy Equipment. Compare reference number pilotpart085523 against the label on your existing Caterpillar component before ordering.
Before checkout, compare OEM part number pilotpart085523, 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.
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.
