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Four Seasons 57449 A/C Compressor
Reliable A/C Compressor for Infiniti and Nissan Vehicles
The Four Seasons Reman Compressor 57449 is designed to restore your vehicle's air conditioning system performance. Engineered for select Infiniti and Nissan models, this remanufactured A/C compressor ensures compatibility and efficient operation with R134a refrigerant systems.
- Compatible with Infiniti G20, Nissan NX, and Nissan Sentra models
- Remanufactured Four Seasons Reman Compressor line for dependable performance
- Designed for R134a refrigerant and compatible with PAG 46 oil
- Includes clutch assembly and heat sensor switch
- Features a 6-groove serpentine pulley with a 5.625-inch diameter
- 12-volt coil with 1-wire lead terminal type
- Ear mount installation with pad mount suction port
- Includes green O-rings for proper sealing
Four Seasons Reman Compressor Product Line
The Four Seasons Reman Compressor line offers remanufactured A/C compressors that meet strict quality standards to provide reliable operation and fitment. This product line focuses on restoring compressors to factory specifications, including the inclusion of essential components such as clutches and heat sensor switches. The 57449 model is part of this line, ensuring it meets the performance and durability requirements for your Infiniti G20 and Nissan NX or Sentra vehicles.
Detailed Product Features and Specifications
This remanufactured A/C compressor uses R134a refrigerant and is compatible with PAG 46 refrigerant oil, ensuring proper lubrication and system efficiency. The unit includes an oil fill and a heat switch to monitor system temperature. The clutch assembly is included, featuring a maximum diameter of 5.625 inches and a 6-groove serpentine pulley designed for smooth belt operation. The coil operates at 12 volts with a single wire lead terminal, simplifying electrical connections. The compressor mounts via an ear mount system and uses a pad mount suction port for secure installation. Two green O-rings are included to maintain a proper seal and prevent leaks.
Common Applications and Problem Resolution
- Replacement for worn or failed A/C compressors in Infiniti G20, Nissan NX, and Sentra models
- Resolves issues with insufficient cooling or compressor clutch failure
- Addresses refrigerant leaks due to damaged seals or O-rings
- Fixes noisy or seized compressor operation
- Restores proper belt alignment and pulley function
Installation Notes and Tips
Ensure the system is properly evacuated and flushed before installing the compressor to prevent contamination. Use PAG 46 oil as specified for lubrication. Verify the clutch air gap and coil voltage compatibility during installation. Note that mounting hardware is not included and must be reused or sourced separately. Properly install the included green O-rings to avoid refrigerant leaks. Confirm the heat sensor switch is connected correctly for accurate temperature monitoring.
Quality Assurance and Warranty
The Four Seasons Reman Compressor 57449 undergoes rigorous remanufacturing processes to meet OEM standards. Each unit is tested for performance and reliability before shipment. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on remanufactured compressors to cover defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Four Seasons |
|---|---|
| Part Number | 57449 |
| Position | Reman Compressor |
| Clutch Included | Included |
| Clutch Maximum Diameter | 5.625 |
| Coil Clock Position | 1 Wire Lead |
| Coil Voltage | 12 |
| Compatible Refrigerant Oil Type | PAG 46 |
| Compressor Type | NVR140S |
| Distance From Clutch To Mounting Flange | 2.09375 |
| Mounting Hardware? | Not Included |
| Mounting Type | Ear Mount |
| New or Reman | Remanufactured |
| O-Ring A Number/Desc | [24681] / Green O-Ring |
| O-Ring B Number/Desc | [24661] / Green O-Ring |
| Oil Filled | Included |
| Pulley Belt Type | Serpentine |
| Pulley Diameter MM | 142.748 |
| Pulley Groove Quantity | 6 |
| Pulley Lip Diameter | 5.625 |
| Pulley Ridge Diameter | 5.625 |
| Refrigerant Type | R134a |
| Suction Port Type | Pad Mount |
| Switch Included | Heat Sensor |
| Switch Type | Heat Switch |
| Terminal Type | Lead Wire |
| Type | Nihon/Calsonic |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1996 | INFINITI | G20 | N/A | w/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor | ||
| 1995 | INFINITI | G20 | N/A | w/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor | ||
| 1994 | INFINITI | G20 | N/A | w/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor | ||
| 1993 | INFINITI | G20 | N/A | w/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor | ||
| 1992 | INFINITI | G20 | N/A | w/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor | ||
| 1992 | Nissan | NX | 2.0L | L4 | N/A | w/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor |
| 1992 | Nissan | Sentra | 2.0L | L4 | N/A | w/ NVR140S Compressor; Reman w/ Clutch; Calsonic; Reman Compressor |
| 1991 | INFINITI | G20 | N/A | w/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor | ||
| 1991 | Nissan | NX | 2.0L | L4 | N/A | w/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor |
| 1991 | Nissan | Sentra | 2.0L | L4 | N/A | w/ NVR140S Compressor; Reman w/ Clutch; Calsonic; Reman Compressor |
* 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.