Blower Motors
Filter Driers
Heater Cores
Part ID/Catalogs

Finding what you want is simple. ENTER THE PART NO. IN THE SEARCH BOX AND CLICK "GO" (example: 4480 or N83-304122). If you enter the brand name in conjunction with the number, you will get all items under that brand. You can also enter a manufacturer's number or interchange #'s, as they are also built into each unit's database. (IF YOU DO NOT KNOW THE PART NO., you can use the Part Identifiers in the navigation bar above.)

Low Pressure Switch MACK OEM# 1MR3550M2
High Pressure Switch Mack OEM#  1MR2464M
Binary Switch Mack OEM# 4379-RD5-4646-0
Trinary II™ & Binary Harness Mack OEM# 4379-RD5-4621-0
Pressure Switch Mack-Volvo Trucks
Binary Switch OEM #: RD5-4640-0 Red Dot - Multi Applications