4 Seasons HVAC Pressure Switch For 1990-1997 Mack CS300T Mid-Liner

1990 Mack CS300T Mid-Liner OE No. 4379RD545830; 4379RD559770;. 1997 Mack CS300T Mid-Liner OE No. 4379RD545830; 4379RD559770;. 1992 Mack CS300T Mid-Liner OE No. 4379RD545830; 4379RD559770;. 1993 Mack CS300T Mid-Liner OE No. 4379RD545830; 4379RD559770;.