Spectra Premium 99443 HVAC Heater Core Replacement for Mack CHU CX CXU Trucks - Heavy Duty Heating System for Winter Driving & Fleet Maintenance

Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium heaters meet or exceed the performance of the original equipment they replace.

Variable pipe positioning to accommodate restrained casing fit

Unit is leak tested to ensure product quality at installation

High density fin count for maximum heat dissipation

Precisely tooled tanks for strength and durability

Optimum tube pitch spacing to maximize heat transfer