113743 Genuine Eaton Spicer Electric Two Speed Shift Motor Kit 2 Bolt Mount
Number on the back plastic cover is 113770. Casting # 113702 is on the back housing. Part# 113745 is the motor only and 120750 is the shift motor unit without the harness.

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Cross References:
Daimler: ETN 113743, Dana Commercial Vehicle Service Parts: 040635, Dana Commercial Vehicle Service Parts: 120836, Freightliner Trucks: ETN 113743, Freightliner Trucks: ETN113743, General Motors: 15511617, International Harvester (IHC): ETN0113743, International Harvester (IHC): ZBP0113743, International Harvester (IHC): ZGW113743, Mack: 2719113743, Mack: 2719-113743, Mack: 69MS311P8, McNeilus: 17TN507, Navistar: DS113743, Navistar: ETN0040635, Navistar: ETN0113743, Navistar: ETN0120836, Navistar: ZBP0113743, Navistar: ZGW113743, Paccar Parts: 113743, PAI: BSK-0948, Peterbilt: 17TN507, S&S Truck Parts: S-C634, Volvo Cars: 20943478, Volvo Cars: 330725002, Volvo Cars: 33072-5002, Volvo Cars: 85149585, Volvo Cars: ETN113743, Volvo Cars: SP 113743, Volvo Cars: SP113743, SC634, 120750, 127772, RE41058, 41059, 130114, S-A762, 113702, RE41059, 3369971, SA762