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$5699
Limited availability at this price!
In Stock
Get it by Monday, Mar 9
MACK 4379-RD4427-24 Part Description
Manufacturer
Product Description
THERMOSTAT
Features & Benefits
- Regulates compressor engagement based on evaporator temperature feedback signals
- Prevents evaporator icing that restricts airflow output and circulation
- Lessens unnecessary compressor cycling under light engine loads
- Sustains balanced HVAC temperature control response patterns
Mack A/C Thermostat Switch
The Mack A/C Thermostat Switch controls compressor operation by responding to evaporator temperature within the HVAC system. As the evaporator cools, the switch cycles the compressor off before frost can accumulate and restrict airflow. That cycle keeps cabin temperatures steady while preventing excessive compressor runtime. When the switch malfunctions, cooling may become inconsistent, or the compressor may run longer than necessary. Because evaporator temperature control directly influences cabin comfort and component lifespan, the Mack 4379-RD4427-24 keeps the air conditioning system operating within its intended range.
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MACK 4379-RD4427-24 Manufacturer Information
Mack trucks are built to last, but when the time for repair and maintenance comes it’s strongly recommended to use genuine Mack® components. Designed and manufactured according to strict OEM specifications, Mack parts offer the same engineering and performance as their stock equivalent. This ensures a seamless fit, smooth installation, and reliable operation overall. Mack offers a wide range of genuine parts, including engine, exhaust, transmission, cab, and body parts and accessories. It also offers remanufactured components that offer the same good-as-new quality at a more accessible price range. All genuine Mack parts are tested in both the laboratory and field environments to ensure they meet or exceed industry standards.
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