1990 Kenworth C550 OE No. K301239; RD545830; RD545850; RD535950;. 1991 Kenworth C550 OE No. 1992 Kenworth C550 OE No. 1993 Kenworth C550 OE No. 1994 Kenworth C550 OE No. Part Type: HVAC Pressure Switch.
4 Seasons HVAC Pressure Switch For 1983-2001 Mack RD
4 Seasons HVAC Pressure Switch For 1994-2003 Freightliner FLD120
4 Seasons HVAC Pressure Switch For 1991-1998 Freightliner FLD120
4 Seasons HVAC Pressure Switch For 1987-2001 Mack DM
4 Seasons HVAC Pressure Switch For 1987-2014 Kenworth T800
4 Seasons HVAC Pressure Switch For 1998-2001 Mack CX
