OE Quality
60-Day Returns

Four Seasons 36144 Engine Cooling Fan Motor Relay
Reliable Engine Cooling Fan Motor Relay for Jeep Liberty
The Four Seasons PWM Fan Controller 36144 is designed to provide precise control of the radiator fan motor in Jeep Liberty vehicles. Engineered to meet or exceed OEM standards, this relay ensures efficient cooling system performance and helps maintain optimal engine temperature.
- Compatible with Jeep Liberty models requiring a 12V radiator fan controller
- 40-amp amperage rating for reliable power handling
- Black cover with a durable bracket for secure mounting
- Four male blade terminals for straightforward electrical connections
- Designed as a PWM (Pulse Width Modulation) fan controller for precise fan speed regulation
About the Four Seasons PWM Fan Controller Product Line
The PWM Fan Controller line by Four Seasons focuses on advanced radiator fan control relays that utilize pulse width modulation technology. This approach allows for variable fan speeds, improving cooling efficiency and reducing electrical load compared to traditional on/off relays. The 36144 part number is part of this line, offering a reliable solution tailored for specific vehicle applications like the Jeep Liberty.
Product Details and Specifications
This engine cooling fan motor relay features a 12-volt operating voltage and a 40-amp amperage rating, suitable for managing the radiator fan motor's electrical demands. The relay includes four male blade terminals, facilitating easy integration with existing wiring harnesses. Its black cover and included mounting bracket provide durability and secure installation within the engine compartment. The PWM style ensures smooth modulation of fan speed, contributing to better temperature control and potentially extending fan motor life.
Common Applications and Problem Solving
- Replaces faulty or worn radiator fan motor relays in Jeep Liberty vehicles
- Resolves issues with inconsistent or non-functioning radiator fans
- Helps prevent engine overheating caused by inadequate fan operation
- Improves cooling system responsiveness through PWM control
- Addresses electrical connection problems with secure blade terminals
Installation Notes and Tips
When installing the Four Seasons PWM Fan Controller 36144, ensure the vehicle is turned off and the battery is disconnected to avoid electrical hazards. Verify compatibility with your Jeep Liberty model before installation. The included bracket aids in mounting the relay securely in the engine bay. Connect the four male blade terminals according to the vehicle’s wiring diagram to ensure proper operation. Testing the fan operation after installation is recommended to confirm correct functionality.
Quality Assurance and Warranty
Four Seasons products, including the PWM Fan Controller 36144, are manufactured to meet or exceed OEM specifications, ensuring dependable performance. This relay is built with quality materials and undergoes rigorous testing to maintain reliability in demanding automotive environments. Warranty coverage details can be obtained from the product documentation or Four Seasons directly, providing additional assurance for your purchase.
| Brand | Four Seasons |
| Part Number | 36144 |
| Position | PWM Fan Controller |
| Amperage Rating | 40 |
| Bracket? | w/ Bracket |
| Cover Color | Black |
| Description | Relays |
| Meets / Exceeds OEM? | Yes |
| Style | PWM Fan Controller |
| Terminal Gender | Male |
| Terminal Quantity | 4 |
| Terminal Type | Blade |
| Type | Radiator Fan Controller |
| Voltage | 12 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Jeep | Liberty | N/A | Fits vehicles with air conditioning systems.; PWM Fan Controller |
| 2002 | Jeep | Liberty | N/A | Fits vehicles with air conditioning systems.; PWM Fan Controller |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.