HomeHVAC > A/C Clutch and CompressorFour Seasons 58270 A/C Compressor
Part #: 58270

Four Seasons 58270 A/C Compressor

New 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
New Compressor
Fitment: Buick and Oldsmobile, 98 and LeSabre
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Reliable A/C Compressor for Buick and Oldsmobile LeSabre

The Four Seasons New Compressor 58270 is designed to restore efficient air conditioning performance in select Buick and Oldsmobile LeSabre models. Engineered for compatibility with R134a refrigerant, this A/C compressor ensures proper cooling and system reliability.

  • Compatible with R134a refrigerant and Pag 150 oil
  • Includes clutch and high-pressure switch for seamless operation
  • Features a single-groove pulley with V-belt compatibility
  • Coil voltage rated at 12 volts with spade terminal type
  • Mounting type uses Type V metric threads for secure fit

Four Seasons New Compressor Product Line

The New Compressor line from Four Seasons offers brand-new, direct replacement compressors designed to meet or exceed original equipment specifications. This product line focuses on delivering reliable HVAC performance with included components such as clutches and pressure switches, reducing the need for additional parts during installation. The 58270 model exemplifies this approach by providing a complete compressor solution for specific GM vehicles.

Detailed Product Features and Specifications

This Four Seasons A/C compressor is oil-filled and compatible with Pag 150 refrigerant oil, ensuring proper lubrication and longevity. It includes a pressure switch and a clutch assembly with a maximum diameter of 5.125 inches, designed for smooth engagement. The pulley system features a single groove with a 5.125-inch diameter and a 0.5-inch (12.7 mm) belt width, optimized for V-belt drive systems. The coil is positioned at the 2 o'clock clock position and operates at 12 volts, connecting via spade terminals. Mounting is secured using Type V metric threads, with a mounting distance of 31.75 mm. Both suction and discharge ports utilize sealing washers and include two O-rings for proper sealing.

Common Applications and Problem Resolution

  • Replacement for failing or noisy A/C compressors in Buick and Oldsmobile LeSabre models
  • Restores proper refrigerant flow and pressure in R134a systems
  • Addresses clutch engagement issues with included clutch assembly
  • Solves high-pressure switch failures affecting compressor operation
  • Improves overall HVAC system cooling efficiency

Installation Notes and Tips

Ensure compatibility with Buick and Oldsmobile LeSabre models before installation. The compressor uses Type V metric thread mounting and requires a V-belt with a 0.5-inch width. The included clutch and pressure switch simplify installation, but mounting hardware is not included and must be sourced separately. Proper evacuation and recharge of the A/C system with R134a refrigerant and Pag 150 oil are necessary for optimal performance.

Quality Assurance and Warranty

The Four Seasons New Compressor 58270 is a new, direct replacement part manufactured to meet OEM standards. It comes oil-filled and includes essential components such as the clutch and high-pressure switch to ensure reliable operation. Warranty details should be confirmed with the distributor or manufacturer, as they may vary.

BrandFour Seasons
Part Number58270
PositionNew Compressor
Refrigerant TypeR134a
Compatible Refrigerant Oil TypePag 150
Switch TypePressure switch
Oil FilledIncluded
Pulley Groove Quantity1
Terminal TypeSpade
Distance From Clutch To Mounting Flange1.250
Clutch Maximum Diameter5.125
Clutch IncludedIncluded
Coil Clock Position2
Compressor TypeHr6
Coil Voltage12
Switch IncludedHigh pressure
Pulley Belt TypeV-belt
Mounting TypeType v metric threads
Pulley Lip Diameter5.125
Pulley Ridge Diameter5.125
Belt Width IN0.500
Belt Width MM12.700
Discharge Port TypeSealing washer
Mount Distance MM31.750
Mounting Hardware?Not included
New or RemanNew
O-Ring A Number/Desc[24354] / sealing washer
O-Ring A Quantity2
Printed Foot Note2 ear (no middle ear) 1 threaded ear
Pulley Diameter MM130.048
Suction Port TypeSealing washer
TypeGm

This part fits 10 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1985BuickLeSabreSedan3.8LV6N/Aw/ DA6 Compressor; New w/ Clutch; w/ 2 Mounting Ears; New Compressor
1985BuickLeSabreSedan3.8LV6N/Aw/ HR6 Compressor; New w/ Clutch; w/ 2 Mounting Ears; New Compressor
1985BuickLeSabreCoupe3.8LV6N/Aw/ DA6 Compressor; New w/ Clutch; w/ 2 Mounting Ears; New Compressor
1985BuickLeSabreCoupe3.8LV6N/Aw/ HR6 Compressor; New w/ Clutch; w/ 2 Mounting Ears; New Compressor
1985Oldsmobile983.8LV6N/Aw/ DA6 Compressor; New w/ Clutch; w/ 2 Mounting Ears; New Compressor
1985Oldsmobile983.8LV6N/Aw/ HR6 Compressor; New w/ Clutch; w/ 2 Mounting Ears; New Compressor
1985Oldsmobile983.0LV6N/Aw/ DA6 Compressor; New w/ Clutch; w/ 2 Mounting Ears; New Compressor
1985Oldsmobile983.0LV6N/Aw/ HR6 Compressor; New w/ Clutch; w/ 2 Mounting Ears; New Compressor
1985Oldsmobile984.3LV6N/Aw/ DA6 Compressor; New w/ Clutch; w/ 2 Mounting Ears; New Compressor
1985Oldsmobile984.3LV6N/Aw/ HR6 Compressor; New w/ Clutch; w/ 2 Mounting Ears; 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:

11158270113644811364811420240272456627562058270620251701636701678A75620AC1701636AC1701678CS0108CWK620251T58270

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