HomeHVAC > A/C Clutch and CompressorFour Seasons 78486 A/C Compressor
Part #: 78486

Four Seasons 78486 A/C Compressor

New Compressor
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦New Compressor
🚗Fitment: Chrysler and Dodge, Sebring and Avenger
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Four Seasons New Compressor 78486

The Four Seasons New Compressor 78486 is designed specifically for Chrysler and Dodge vehicles, including the Avenger and Sebring models. This A/C compressor is engineered to work with R134a refrigerant and includes essential components for reliable HVAC system performance.

  • Compatible with Chrysler and Dodge Avenger and Sebring models
  • Uses R134a refrigerant and Pag 46 compatible oil
  • Includes clutch and heat switch for efficient operation
  • Features a 4-groove serpentine pulley with a 3.75-inch diameter
  • 12-volt coil with a single wire lead for easy electrical connection

Detailed Product Features and Specifications

This Four Seasons A/C compressor (part number 78486) is a new, direct replacement unit designed with a tangent mount type and a mounting distance of 27.94 mm. It is oil-filled and includes both the clutch and heat switch, ensuring compatibility with the vehicle’s HVAC system. The compressor type is MSC90C, optimized for use with R134a refrigerant and Pag 46 oil, which helps maintain system efficiency and longevity.

The pulley system features a 4-groove serpentine belt design with a pulley diameter of 95.25 mm (3.75 inches), matching the clutch maximum diameter and pulley lip and ridge diameters. The discharge and suction ports use O-ring seals (green O-rings, part numbers 24131 and 24679) to prevent leaks and maintain system integrity. The terminal type is a pin connection, and the coil voltage is 12 volts, suitable for the electrical system of Chrysler and Dodge Avenger and Sebring vehicles.

Four Seasons New Compressor Product Line

The Four Seasons New Compressor line focuses on providing brand-new, ready-to-install A/C compressors that meet OEM specifications. This product line includes all necessary components such as clutches and switches, designed to simplify installation and ensure proper function. The 78486 model exemplifies this approach by including a heat switch and clutch, making it a comprehensive replacement part for compatible Chrysler and Dodge models.

Common Applications and Problem Resolution

  • Replacement for failing or noisy A/C compressors in Chrysler Avenger and Dodge Sebring
  • Restores proper refrigerant flow and pressure in the HVAC system
  • Eliminates clutch engagement issues caused by worn or damaged components
  • Prevents refrigerant leaks with included O-ring seals
  • Addresses electrical connection problems with included pin terminal and heat switch

Installation Notes and Tips

  • Ensure compatibility with Chrysler Avenger or Dodge Sebring before installation
  • Use Pag 46 oil as specified for optimal compressor lubrication
  • Check and replace O-rings to prevent refrigerant leaks during installation
  • Verify clutch and heat switch operation after installation
  • Mount using tangent mount method; mounting hardware is not included

Quality Assurance and Warranty Information

The Four Seasons New Compressor 78486 is a new, factory-built component designed to meet or exceed OEM standards. It is oil-filled and includes all critical components for reliable operation. While mounting hardware is not included, the compressor comes with a heat switch and clutch to ensure proper function. Warranty details should be confirmed with the point of purchase or manufacturer documentation.

BrandFour Seasons
Part Number78486
PositionNew Compressor
Clutch IncludedIncluded
Clutch Maximum Diameter3.750
Coil Clock Position1 Wire Lead
Coil Voltage12
Compatible Refrigerant Oil TypePAG 46
Compressor TypeMSC90C
Discharge Port TypeO-Ring
Distance From Clutch To Mounting Flange1.09375
Mount Distance MM27.940
Mounting Hardware?Not Included
Mounting TypeTangent Mount
New or RemanNew
O-Ring A Number/Desc[24131] / Green O-Ring
O-Ring B Number/Desc[24679] / Green O-Ring
Oil FilledIncluded
Pulley Belt TypeSerpentine
Pulley Diameter MM95.250
Pulley Groove Quantity4
Pulley Lip Diameter3.750
Pulley Ridge Diameter3.750
Refrigerant TypeR134a
Suction Port TypeO-Ring
Switch IncludedHeat Switch
Switch TypeHeat Switch
Terminal TypePin
TypeMitsubishi

This part fits 6 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2000ChryslerSebringCoupe2.5LV6N/Aw/ MSC90C Compressor; New w/ Clutch; New Compressor
2000DodgeAvengerN/Aw/ MSC90C Compressor; New w/ Clutch; New Compressor
1999ChryslerSebringCoupe2.5LV6N/Aw/ MSC90C Compressor; New w/ Clutch; New Compressor
1999DodgeAvenger2.5LV6N/Aw/ MSC90C Compressor; New w/ Clutch; New Compressor
1998ChryslerSebringCoupe2.5LV6N/Aw/ MSC90C Compressor; New w/ Clutch; New Compressor
1998DodgeAvenger2.5LV6N/Aw/ MSC90C 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:

143301NEW2021609R208334275856638910751207078486A75856AC1208334CO10447ACCO10447TCO10447ZCWK638910MR315784

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