Assembly Parts List For: GTCP331-200 SERIES (APU) Part Number OEM PN Description Solution Type In Stock 3876048-2 Switch DER Repair 3876059-2 Float Switch DER Repair 3876255-2 Switch DER Repair 3886167-3 Igv Actuator MRO 3886167-4 Actuator Igv MRO 3888058-4 Ignition Exciter MRO 3888058-5 Exciter, Ignition DER Repair 3888058-6 Ignition Exciter MRO 3876048-2Switch 3876059-2Float Switch 3876255-2Switch 3886167-3Igv Actuator 3886167-4Actuator Igv 3888058-4Ignition Exciter 3888058-5Exciter, Ignition 3888058-6Ignition Exciter Submit a PMA Development Request