MACK CM400 HEAVY TRUCK

With Kysor A/C Unit

Models with Red Dot A/C or Red Dot Fan Switch Resistor

12 Volt Single Speed 2 Wire Motor

With Sleeper, 12 Volt, Single Speed, 2 Wire Motor with 5/16" Shaft, Vented Motor

12 Volt, Single Speed, 2 Wire Motor with 5/16" Shaft

Main Unit, Match up by OEM Number and Dimensions

Long Thread

10" X 9 7/8" X 1" Filter

9 3/4" X 9 3/4" X 1" Filter
Woven Fabric, Pleated

Must Identify By OEM Number

Parallel Flow, Non-Serviceable Design

Models with OE#210RD421M and 4379-RD457620

Serpentine Style, Non-Serviceable Design

With Behr A/C Unit

With Behr A/C Unit

4 Pin

All IH/Navistar and Mack Trucks with Actuator Label # B3570874A

With Red Dot A/C

With Red Dot A/C

• Normally Closed
• Opens 250 psi
• Closes 100 psi
• 7/16" x 20 Thread

Pressure Side and Fan Side Normally Open

Pressure Side Normally Open, Fan Side Normally Closed

Pressure Side and Fan Side Normally Open

Pressure Side and Fan Side Normally Open

Pressure Side Normally Open, Fan Side Normally Closed

With Red Dot A/C Unit

All Models with Mini Relay

Sleeper Units with Bunk Thermostat, Rotary Switch, and Auxillary Circuit - Check OE and Description