Caterpillar 9Y6497 Polytron 1598-2 Relay Board Assembly - Used

Caterpillar 9Y6497 Relay Board Assembly (Polytron 1598-2 / 1639) — used, untested take-out from a CAT engine or generator control panel. Ten Potter & Brumfield plug-in relays on a PCB mounted to a DIN-style rail with barrier terminal strips and pre-terminated lead wires. Condition: used, untested but appears visually complete with no obvious damage. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.