1001265 is a kysor built to OEM fit and finish for Class 8 A/C service. This complete 12V clockwise motor assembly (also known as a helper fan assembly) is designed as a single, bolt-on replacement unit. Commonly used in sleeper unit climate control systems and provides supplemental air circulation for sleeping cab comfort. Signs You Need a New Blower Module Assembly Sleeper helper fan does not operate Fan runs intermittently or cycles on and off unpredictably Weak air circulation from the sleeper heater or A/C Grinding or squealing noise from the motor assembly Specifications Manufacturer Kysor Part Number 1001265 Part Type Blower Module Assembly Voltage 12V Rotation Clockwise (CW) Assembly Type Complete single-speed motor assembly Application Helper/auxiliary fan for sleeper units Cross References This part replaces or is equivalent to the following part numbers: Kysor/OEM: BOA80 903 00 129, N31-1299-000 Applications This blower module assembly fits: Truck sleeper units with helper fan assemblies Various heavy-duty truck brands with sleeper climate control requirements Verify your sleeper unit model and blower assembly specifications before ordering to confirm fitment.