Aftermarket Thermo King APU Parts

High-quality Thermo King APU parts that outperform the competition at below-OEM prices are the smart, reliable choice. Our aftermarket parts are designed to perform better than OEM when it comes to handling the heat, vibration, and fuel issues often seen in trucks and off-road equipment.

Suppose your equipment shows signs like sudden shutdowns with 'ENG' or 'ACS' errors, compressor overload, coolant leaks, clogged fuel filters, or a motor that won’t start. In that case, it likely means that key components—such as belts, filters, water pumps, sensors, or solenoids—are worn out or failing. These parts need to be replaced right away.

That’s where FridayParts comes in. We offer top-quality replacement parts specifically for Thermo King, helping you solve common problems quickly, avoid costly downtime, and keep your system running reliably day after day.

Common Thermo King APU Parts Directory

Below is a list of commonly replaced Thermo King APU parts for your reference. Most of these items are available at FridayParts—just browse our catalog to find what you need.

• Compressor: Compresses and circulates refrigerant throughout the system.
• Condenser: Releases heat from the compressed refrigerant to cool it down.
• Evaporator: Absorbs heat from the air to produce a cooling effect.
• Expansion Valve: Regulates refrigerant pressure to control cooling efficiency.
• Electric Fan: Enhances airflow to support heat dissipation in the condenser or evaporator.
• Control Module: Manages and coordinates the overall operation of the APU system.
• Sensors: Monitor temperature and pressure to ensure safe and efficient performance.
• Battery: Powers the APU system when the main engine is off.
• Fuel System: Delivers and manages fuel for APU models that run on diesel or gasoline.
• Filters: Keep the system clean by trapping impurities from oil, fuel, or air.
• Cooling Fan: Aids in regulating temperature by dispersing heat.
• Electrical Connectors: Link electrical components to ensure proper communication and power flow.

Can’t locate a specific part? Contact us anytime! With years of experience and the trust of tens of thousands of customers, we’re here to help you find the right, reliable parts—quickly and confidently.

Unmatched Service and Support

With over 16 years of experience and 100,000+ parts available online, we deliver more than just components—we deliver peace of mind. Backed by seven global warehouses and partnerships with 5,000+ industry suppliers, we guarantee fast, OEM-quality replacements shipped in as little as 7 days. From precise part-matching to carbon-neutral UPS delivery, we go beyond the transaction to support your equipment and the land you work on. At FridayParts, we don’t just fix machines. We fix them right.