Cab Air Blower Electronic Control Unit DZ97189585305 Pre-Wired Plug-and-Play HVAC Speed Regulator Replacement

Cab Air Blower Electronic Control Unit DZ97189585305 Pre-Wired Plug-and-Play HVAC Speed Regulator Replacement

Product Description

This heater blower electronic control unit with part number DZ97189585305 is a core speed regulation component matched to heavy truck cab heating and air conditioning systems. Installed beside the HVAC blower assembly, it adjusts the operating speed of the blower fan by changing circuit resistance, enabling multi-speed wind volume control to meet different cooling and heating demands inside the cab. The aluminum heat sink fins efficiently dissipate heat generated during current regulation to avoid overheating burnout. The pre-connected wiring harness and standard white plug realize direct matching with the original vehicle circuit, requiring no wire modification during maintenance replacement.

Key Product Advantages

• Multi-layer stacked aluminum cooling fins with large heat dissipation area, effectively exporting working heat and extending service life under long-term blower operation.
• High temperature resistant red plastic outer frame, stable structural performance without deformation or brittleness in high-temperature air box environment.
• Built-in precision resistance chip with stable resistance value, smooth stepless/multi-gear wind speed switching without sudden fan stall or abnormal surging airflow.
• Complete pre-assembled wire harness with three-color core wires and dedicated white plug, firm contact to eliminate poor connection and blower failure issues.
• Standard embedded outer contour size consistent with factory air box reserved installation position, simple plug-in and snap-on fixing without extra fasteners.

Product Specification Table

Product Picture