HomeHVAC > A/C Clutch and CompressorFour Seasons 57449 A/C Compressor
Part #: 57449

Four Seasons 57449 A/C Compressor

Reman Compressor
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Reman Compressor
Fitment: INFINITI and Nissan, G20, NX, and Sentra
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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.

BrandFour Seasons
Part Number57449
PositionReman Compressor
Clutch IncludedIncluded
Clutch Maximum Diameter5.625
Coil Clock Position1 Wire Lead
Coil Voltage12
Compatible Refrigerant Oil TypePAG 46
Compressor TypeNVR140S
Distance From Clutch To Mounting Flange2.09375
Mounting Hardware?Not Included
Mounting TypeEar Mount
New or RemanRemanufactured
O-Ring A Number/Desc[24681] / Green O-Ring
O-Ring B Number/Desc[24661] / Green O-Ring
Oil FilledIncluded
Pulley Belt TypeSerpentine
Pulley Diameter MM142.748
Pulley Groove Quantity6
Pulley Lip Diameter5.625
Pulley Ridge Diameter5.625
Refrigerant TypeR134a
Suction Port TypePad Mount
Switch IncludedHeat Sensor
Switch TypeHeat Switch
Terminal TypeLead Wire
TypeNihon/Calsonic

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1996INFINITIG20N/Aw/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor
1995INFINITIG20N/Aw/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor
1994INFINITIG20N/Aw/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor
1993INFINITIG20N/Aw/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor
1992INFINITIG20N/Aw/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor
1992NissanNX2.0LL4N/Aw/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor
1992NissanSentra2.0LL4N/Aw/ NVR140S Compressor; Reman w/ Clutch; Calsonic; Reman Compressor
1991INFINITIG20N/Aw/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor
1991NissanNX2.0LL4N/Aw/ NVR140S Compressor; Reman w/ Clutch; Reman Compressor
1991NissanSentra2.0LL4N/Aw/ 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:

01492292037241115744911759142699C142699NC15205721521245165616751838W6A191922602022474R204699204905R254218347503506655118695744961633R654310889188989030169260062J109260062J119260062J129260062J139260062J209260062J219260069Y009260069Y019261062J109261062J119261062J129261088N05A94218AC1962AC1962NEWCO0327RECO0327RLDW57449

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.