Blower Motor Assembly CAT311B CAT312B 312C CAT320B 320C 325C SK200-3 PN 147-4834

Caterpillar Part Number:  147-4834 1474834

Lucas Parts supplies Blower Motor Assembly 147-4834, 292500-0631 suitable for Caterpillar Excavator: 311B, 312C, 312C L, 315C, 318B, 318B N, 318C, 319C, 320B, 320B L, 320C, 320C FM, 320C L, 322C, 325B, 325C, 325C L, 330C, 330C L, 330C LN, 345B II, 365B, 365B L, 385B series excavators. This 24V aftermarket blower motor is designed for excavator cabin air conditioning and heating systems, providing reliable airflow and operator comfort in demanding construction, mining, and earthmoving environments. Built for durability and consistent performance, this replacement blower motor assembly suits Kobelco excavators operating in harsh Australian conditions.

The blower motor is part of the cab HVAC system (heater + air conditioner). It:

• Pushes air through the cabin vents
• Circulates cool air (from A/C) or warm air (from heater core)
• Helps demist/defog the windshield
• Keeps the operator comfortable in hot or cold conditions

CA