Cummins 3964428 12V Starter Motor (Denso 428000-1860) - Used, Untested

Cummins 3964428 / Denso 428000-1860 12-volt gear-reduction starter motor, removed from service. Application: Cummins diesel — specific engine model and CPL are not verified; the unit is sold by its factory label numbers, photographs, and dimensions. Condition: used, untested take-out. Grimy with flaking paint and surface rust, legible Cummins bar-code label, one small solenoid terminal insulator broken/missing, pinion teeth show normal wear. No bench test or amp-draw test has been performed, so no operational claim is made — ideal as a rebuild candidate or core. 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.