Four Seasons 1590NK A/C Compressor and Component Kit
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Four Seasons
 Complete A/C Kit

Four Seasons 1590NK A/C Compressor and Component Kit

Brand Four Seasons 1590NK
Compressor Oil Included Included
Compressor Oil Type PAG Oil /150
Expansion Device Type Orifice Tubes
Gasket / Seals? Included
Kit Includes 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings
Orifice Dia. IN 0.072
Orifice Tube Color White
Orifice Tube Style Standard
Receiver Drier/Accumulator Diameter IN 3.500
Receiver Drier/Accumulator Inlet Fitting Type Male Insert O-Ring
Receiver Drier/Accumulator Length IN 8.000
Receiver Drier/Accumulator Outlet Fitting Size IN 0.768
Receiver Drier/Accumulator Outlet Fitting Size MM 19.500
Receiver Drier/Accumulator Outlet Fitting Type Male Insert O-Ring
Refrigerant Type R134a
Type Complete Air Conditioning Kit w/ New Compressor
Warranty Limited Lifetime
Product line Complete A/C Kit
Fits Buick, Oldsmobile, and Pontiac · 10 vehicles

Complete A/C kit. Includes a new compressor, accumulator, orifice tube, oil, and O-rings.

PAG oil included. Pre-filled with PAG oil for easier system service and assembly.

R134a compatible. Built for use with R134a refrigerant systems.

Cross-references Four Seasons 1590NK, 520223 and MK1084 for the same application. See all 3.

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Complete A/C Kit for Buick, Oldsmobile, and Pontiac

Four Seasons 1590NK is a Complete A/C Kit with a new compressor, accumulator, orifice tube, PAG oil, and O-rings for R134a systems. It is built for select 1998-1999 Buick LeSabre, Buick Park Avenue, Oldsmobile 88, Oldsmobile LSS, and Pontiac Bonneville applications with V5 compressor setups where listed.

The Four Seasons Complete A/C Kit line is organized to simplify major air conditioning service by grouping the core replacement parts needed for a compressor-related repair. Part number 1590NK is a direct-fit style solution for restoring refrigerant flow and system operation on the listed vehicles.

  • Complete air conditioning kit with new compressor
  • Includes compressor oil: PAG Oil /150
  • Uses R134a refrigerant systems
  • Expansion device type: orifice tube
  • Kit includes compressor, accumulator, orifice tube, oil, and O-rings
  • Limited lifetime warranty

Key Specifications

This Four Seasons 1590NK kit includes compressor 58994, accumulator 33022, orifice tube, 59003 oil, and O-rings. The orifice tube is a standard white tube with a 0.072 in. diameter. The accumulator measures 3.500 in. in diameter and 8.000 in. in length, with male insert O-ring inlet and outlet fittings.

For fitment-based searches, this kit is commonly referenced for 1998-1999 Buick LeSabre A/C compressor replacement, 1998-1999 Buick Park Avenue air conditioning repair, and 1998-1999 Pontiac Bonneville compressor kit applications. Part number 1590NK also cross-references 520223 and MK1084 for the same application.

What This Kit Helps Address

  • Loss of cabin cooling from compressor failure
  • Low refrigerant circulation in an R134a system
  • Restricted flow caused by a worn orifice tube
  • Moisture control issues related to accumulator replacement
  • Leaks at aged O-rings and seals

Installation Notes

Verify vehicle year, make, model, and compressor type before ordering. This kit is listed for 1998-1999 Buick LeSabre, 1998-1999 Buick Park Avenue, 1998-1999 Oldsmobile 88, 1998-1999 Oldsmobile LSS, and 1998-1999 Pontiac Bonneville, with notes calling out V5 compressor applications on several listings. Replace the accumulator and orifice tube during compressor service, and evacuate and recharge the system with the correct R134a refrigerant and PAG Oil /150 specification.

Quality Assurance

Four Seasons backs this Complete A/C Kit with a limited lifetime warranty. The part number is 1590NK.

Related reading

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
1999BuickLeSabreSedan3.8LV6N/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1999BuickPark Avenue———N/AIncludes: 58994 (New Compressor), 33022 (Accum), 39072 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1999Oldsmobile88———N/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1999OldsmobileLSS———N/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1999PontiacBonneville———N/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1998BuickLeSabreSedan3.8LV6N/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1998BuickPark Avenue———N/AIncludes: 58994 (New Compressor), 33022 (Accum), 39072 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1998Oldsmobile88———N/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1998OldsmobileLSS———N/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1998PontiacBonneville———N/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 1590NK520223MK1084