HomeHVAC > A/C Clutch and CompressorFour Seasons 1590NK A/C Compressor and Component Kit
Part #: 1590NK

Four Seasons 1590NK A/C Compressor and Component Kit

Complete A/C Kit
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Complete A/C Kit
Fitment: Buick, Oldsmobile, and Pontiac, LeSabre, 88, LSS, and Bonneville
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Overview of Four Seasons Complete A/C Kit 1590NK

The Four Seasons Complete A/C Kit 1590NK is designed to restore the air conditioning system in select Buick, Oldsmobile, and Pontiac vehicles. This comprehensive kit includes a new compressor and essential components to ensure reliable A/C performance in models such as the Buick LeSabre, Oldsmobile 88, and Pontiac Bonneville.

  • Includes new compressor (part 58994) and accumulator (part 33022)
  • Compressor oil (Pag oil /150) included for optimal lubrication
  • Standard white orifice tube with 0.072 inch diameter
  • Receiver drier/accumulator with male insert o-ring fittings
  • Compatible with R134a refrigerant systems
  • Gaskets and seals included for proper installation
  • Limited lifetime warranty for quality assurance

Complete A/C Kit Product Line Details

The Four Seasons Complete A/C Kit product line offers a full set of components necessary for a thorough air conditioning system repair. This kit type includes a new compressor along with the receiver drier, orifice tube, and all required gaskets and seals. The 1590NK kit is tailored for specific GM vehicles, providing a matched set of parts to simplify installation and ensure system compatibility.

Technical Specifications and Features

This A/C compressor kit features a new compressor (part number 58994) pre-filled with Pag oil type 150, which is essential for proper lubrication and system longevity. The included orifice tube is a standard style, white in color, with a 0.072 inch diameter to regulate refrigerant flow accurately. The receiver drier/accumulator measures 3.5 inches in diameter and 8 inches in length, equipped with male insert o-ring fittings on both inlet and outlet to maintain a secure, leak-free connection. Designed for R134a refrigerant, this kit supports the air conditioning needs of Buick LeSabre, Oldsmobile 88, Pontiac Bonneville, and related models.

Applications and Common Issues Addressed

  • Replacement of worn or failed A/C compressors in Buick, Oldsmobile, and Pontiac vehicles
  • Resolving refrigerant leaks due to damaged gaskets or seals
  • Improving cooling efficiency by replacing clogged orifice tubes
  • Addressing moisture contamination with a new receiver drier/accumulator
  • Restoring proper refrigerant flow and pressure in R134a systems

Installation Notes and Tips

  • Ensure system is fully evacuated and flushed before installation
  • Use the included Pag oil type 150 to refill the compressor as specified
  • Verify orifice tube orientation and diameter match vehicle requirements
  • Replace all gaskets and seals to prevent leaks
  • Confirm compatibility with Buick LeSabre, Oldsmobile 88, Pontiac Bonneville models before installation

Quality Assurance and Warranty

The Four Seasons Complete A/C Kit 1590NK comes with a limited lifetime warranty, reflecting the brand's commitment to durability and performance. Each component is manufactured to meet OEM specifications, ensuring reliable operation and long service life in compatible Buick, Oldsmobile, and Pontiac vehicles.

BrandFour Seasons
Part Number1590NK
PositionComplete A/C Kit
Compressor Oil IncludedIncluded
Compressor Oil TypePAG Oil /150
Expansion Device TypeOrifice Tubes
Gasket / Seals?Included
Kit Includes58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings
Orifice Dia. IN0.072
Orifice Tube ColorWhite
Orifice Tube StyleStandard
Receiver Drier/Accumulator Diameter IN3.500
Receiver Drier/Accumulator Inlet Fitting TypeMale Insert O-Ring
Receiver Drier/Accumulator Length IN8.000
Receiver Drier/Accumulator Outlet Fitting Size IN0.768
Receiver Drier/Accumulator Outlet Fitting Size MM19.500
Receiver Drier/Accumulator Outlet Fitting TypeMale Insert O-Ring
Refrigerant TypeR134a
TypeComplete Air Conditioning Kit w/ New Compressor
WarrantyLimited Lifetime

This part fits 10 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1999BuickLeSabreSedan3.8LV6N/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1999BuickPark AvenueN/AIncludes: 58994 (New Compressor), 33022 (Accum), 39072 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1999Oldsmobile88N/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1999OldsmobileLSSN/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1999PontiacBonnevilleN/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 AvenueN/AIncludes: 58994 (New Compressor), 33022 (Accum), 39072 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1998Oldsmobile88N/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1998OldsmobileLSSN/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit
1998PontiacBonnevilleN/Aw/ V5 Compressor; Includes: 58994 (New Compressor), 33022 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit

* 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:

1590NK520223MK1084

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