4379-RD109580 Mack Heater Core

This heater core fits Mack R, RB, RD, RW, and DM/U model trucks and is sold individually. Mounted inside the HVAC housing, it works like a small radiator, circulating hot engine coolant so the blower can push warm air into the cab. It is built as a replacement for the original Mack unit.

Features

Heater core
Fits Mack R, RB, RD, RW models
Fits Mack DM/U models
Sold individually (1 EACH)

Tech Specs

• Sell pack: 1 EACH

Additional Information

Fits: All Mack R/RB/RD/RW Models, All Mack R Models, All Mack RB Models, All Mack RD Model, All Mack RW Models, All Mack DM/U Models.