The Suburban 521230 Replacement Furnace Motor is a replacement for Suburban SF20, 25, 30, 35VHQ and SFV20, 25, 30, 35VHFQ Series furnaces models. The motor is attached to the blower wheel and the combustion air wheel. This is a 12V DC power motor with two shafts. Includes motor, foam gasket, and wire leads with connectors. Replaces Suburban #s 233040, 233042, 233460, 233463, 521255, and 521231.DimensionsMotor Body: 3" dia. x 3-7/8"LShaft #1: 2-15/16"L x 5/16" dia. Shaft #2: 2"L x 5/16" dia. Compatible ModelsSF-20 Series: SF-20F, SF-20FQ, SF-20Q, SF-20VHFQ, SF-20VHQSF-25 Series: SF-25F, SF-25FQ, SF-20Q, SF-25VHFQ, SF-25VHQSF-30 Series: SF-30F, SF-30FQ, SF-30Q, SF-30VHFQ, SF-30VHQSF-35 Series: SF-35Q, SF-35FQSFV-20 Series: SFV-20FQ, SFV-20QSFV-25 Series: SFV-25FQ, SFV-25QSFV-30 Series: SFV-30FQ, SFV-30QSFV-35 Series: SFV-35FQ, SFV-35Q 12V motor with two shafts Includes motor, foam gasket, & wire leads with connectors | Suburban 521230 RV 12V Replacement Furnace Blower Motor