Description
AC Heater Fan Resistor fits Holden Colorado Isuzu MU-X
This Resistor is Genuine Quality from Tridon
The heater fan resistor controls the speed of your vehicle’s heater and air conditioning blower fan. There are two common types of heater fan resistors: traditional resistor packs made up of wound resistance wires, and modern electronic modules that use transistors mounted on a circuit board.
Typically located near the blower fan assembly, the heater fan resistor is a common failure point within the heating and air conditioning system. Over time, exposure to heat and electrical load can cause the resistor components to deteriorate, resulting in reduced performance or complete failure.
Common symptoms of a faulty heater fan resistor include the loss of one or more fan speeds, or the blower fan not operating at all. As heater fan resistor designs and specifications vary between vehicles, it is important to select the correct part for the specific make and model to ensure proper operation and fitment.
Oz Cool Auto supplies high-quality automotive A/C car parts and A/C compressor oils Australia-wide. With over 25 years of industry experience, we specialise exclusively in automotive air conditioning — delivering premium-grade products trusted by technicians and workshops.
When you purchase from Oz Cool Auto, you’re choosing durable, professional-quality components designed to perform under demanding conditions and support long-term system reliability.
Quality parts. Specialist knowledge. Built to last.




