The Suburban 521232 Furnace Blower Motor is a 12V DC replacement blower motor for several Suburban SF series furnaces. Features dual shafts for the blower wheel and combustion wheel. Designed for compact installation and reliable airflow in RV heating systems. Compatibility: Suburban SF-35Q, SF-35FQ, SFV-35Q, SFV-35FQ, SF-42Q, SF-45FQ, SFV-42Q, SFV-42FQ Furnaces. Designed for compact installation & reliable airflow