HomeHVAC > A/C Clutch and CompressorFour Seasons 78320 A/C Compressor
Part #: 78320

Four Seasons 78320 A/C Compressor

New Compressor
5 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
New Compressor
Fitment: Toyota, Corolla
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Reliable A/C Compressor for Toyota Corolla

The Four Seasons New Compressor 78320 is designed specifically for Toyota Corolla models requiring a dependable HVAC component. This new A/C compressor ensures efficient cooling performance with compatibility for R134a refrigerant and Pag 46 oil.

  • Compatible Refrigerant: R134a
  • Refrigerant Oil Type: Pag 46
  • Compressor Type: 10pa15c
  • Coil Voltage: 12V with 1 wire lead coil clock position
  • Includes clutch and oil-filled compressor
  • Pulley Groove Quantity: 6, designed for serpentine belts
  • Mounting Type: Tangent mount with 52.07 mm mount distance
  • Switch Type: RPM sensor included
  • Discharge and Suction Ports: Pad mount style
  • O-Ring Included: Compressor manifold port gasket (part number 24156)

About the Four Seasons New Compressor Line

The Four Seasons New Compressor product line offers brand-new HVAC compressors engineered to meet or exceed OEM specifications. The New Compressor 78320 is part of this line, providing a direct replacement solution for Toyota Corolla vehicles. This line focuses on delivering components that include essential features such as clutch assemblies, oil pre-filled units, and compatible sensor switches to ensure proper system integration.

Detailed Product Description

This Four Seasons A/C compressor (part number 78320) is a Nippondenso 10pa15c type compressor designed for Toyota Corolla models. It comes pre-filled with oil and includes the clutch assembly, which has a maximum diameter of 5.5 inches. The pulley system features six grooves compatible with serpentine belts, with a pulley diameter of approximately 139.7 mm. The compressor operates on a 12-volt coil with a single wire lead, and the included RPM sensor switch helps maintain accurate system performance. The mounting style is tangent mount with a precise distance from clutch to mounting flange of 2.046875 inches, ensuring proper fitment. Both discharge and suction ports use pad mount types, and the package includes one compressor manifold port gasket O-ring (part number 24156). Note that mounting hardware is not included, and installation may require the use of the original equipment manifold.

Common Applications and Issues Addressed

  • Replacement for failing or leaking A/C compressors in Toyota Corolla vehicles
  • Restores proper refrigerant flow and pressure in R134a systems
  • Resolves clutch engagement problems due to worn or damaged clutches
  • Fixes compressor noise or pulley issues related to worn components
  • Addresses A/C system inefficiency caused by oil or refrigerant contamination

Installation Notes and Tips

  • Verify compatibility with your specific Toyota Corolla model year before installation
  • Use the original equipment manifold as recommended for proper sealing
  • Ensure the system is evacuated and recharged with R134a refrigerant and Pag 46 oil
  • Check clutch air gap and pulley alignment during installation
  • Replace O-rings and seals to prevent leaks

Quality Assurance and Warranty

The Four Seasons New Compressor 78320 is a new, OEM-quality replacement part designed to meet industry standards. It includes a pre-filled oil charge and clutch assembly for immediate installation. While mounting hardware is not included, the compressor is manufactured to precise specifications for reliable operation. Warranty coverage details should be confirmed with the parts provider or manufacturer.

BrandFour Seasons
Part Number78320
PositionNew Compressor
Clutch IncludedIncluded
Clutch Maximum Diameter5.500
Coil Clock Position1 Wire Lead
Coil Voltage12
Compatible Refrigerant Oil TypePAG 46
Compressor Type10PA15C
Discharge Port TypePad Mount
Distance From Clutch To Mounting Flange2.046875
Mount Distance MM52.070
Mounting Hardware?Not Included
Mounting TypeTangent Mount
New or RemanNew
O-Ring A Number/Desc[24156] / Compressor Manifold Port Gasket
Oil FilledIncluded
Printed Foot NoteMay Require use of OE Manifold
Pulley Belt TypeSerpentine
Pulley Diameter MM139.700
Pulley Groove Quantity6
Pulley Lip Diameter5.500
Pulley Ridge Diameter5.500
Refrigerant TypeR134a
Suction Port TypePad Mount
Switch IncludedSpeed Sensor
Switch TypeRPM Sensor
Terminal TypeButt
TypeNippondenso

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2002ToyotaCorollaN/Aw/ 10PA15C Compressor; New w/ Clutch; New Compressor
2001ToyotaCorollaN/Aw/ 10PA15C Compressor; New w/ Clutch; New Compressor
2000ToyotaCorollaN/Aw/ 10PA15C Compressor; New w/ Clutch; New Compressor
1999ToyotaCorollaN/Aw/ 10PA15C Compressor; New w/ Clutch; New Compressor
1998ToyotaCorollaN/Aw/ 10PA15C Compressor; New w/ Clutch; New 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:

034771ND1000041511178320143302NEW20217132021713AM20532427563631213601NEW471120263881265118517511851783208832002050883200205084A75636AC1205324CO10410DZCO10410GLCCO10410LCCO10410ZCWK638812T78320

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