Four Seasons 3843N A/C Compressor and Component Kit
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Four Seasons
 PAC-Kit w/ New Compressor

Four Seasons 3843N A/C Compressor and Component Kit

Brand Four Seasons 3843N
Product line PAC-Kit w/ New Compressor
Fits Buick, Pontiac, Cadillac, Chevrolet, and Oldsmobile · 23 vehicles

Complete compressor kit. Includes the compressor assembly for a simpler replacement.

PAC-Kit with new compressor. A convenient kit built around a fresh compressor assembly.

$328.73Free shipping
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Four Seasons 3843N A/C Compressor Kit

Four Seasons 3843N is a PAC-Kit with a new compressor for select GM compact cars and related platforms from 1982-1985. It is built for vehicles using an R4 or LTR4 compressor and is listed with fitment for Buick, Pontiac, Chevrolet, Cadillac, and Oldsmobile applications.

Key Features

  • Brand: Four Seasons
  • Brand line: PAC-Kit w/ New Compressor
  • Part number: 3843N
  • A/C compressor kit for HVAC service and replacement
  • Application-specific fitment for R4 and LTR4 compressor systems
  • Notes include pulley diameter and related service components for the listed vehicles

Fitment Details

  • Fits 1985 Buick Century, N/A, w/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1985 Buick Skylark, N/A, w/ LTR4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1984 Buick Skyhawk, N/A, w/ R4 Compressor; Compressor w/ 5.5" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1984 Pontiac J2000 Sunbird, N/A, w/ R4 Compressor; Compressor w/ 5.5" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1984 Pontiac Phoenix, N/A, w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1983 Buick Skyhawk, N/A, w/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1982-1983 Buick Skylark, N/A, w/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1982-1983 Cadillac Cimarron, N/A, w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1982-1983 Chevrolet Cavalier, N/A, w/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1982-1983 Chevrolet Citation, N/A, w/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1982-1983 Oldsmobile Firenza, N/A, w/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1982-1983 Oldsmobile Omega, N/A, w/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1982-1983 Pontiac Phoenix, N/A, w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
  • Fits 1982 Pontiac J2000, N/A, w/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor

Common Repair Uses

  • Restores A/C compressor operation on Buick Century and Buick Skylark applications
  • Addresses loss of cooling performance in Pontiac Phoenix, J2000 Sunbird, and J2000 models
  • Replaces a worn or failed compressor in Chevrolet Cavalier and Chevrolet Citation systems
  • Supports service on Cadillac Cimarron, Oldsmobile Firenza, and Oldsmobile Omega HVAC systems
  • Helps correct compressor noise, seizure, or refrigerant circulation problems

Installation Notes

Verify compressor type, pulley diameter, and vehicle-specific notes before installation. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. Follow standard A/C service procedures, including system flushing and oil management, and confirm the listed accumulator and orifice tube references for the exact vehicle application.

Quality Assurance

Four Seasons PAC-Kit w/ New Compressor parts are cataloged for specific HVAC applications and matched to the listed vehicle fitment data. Part number 3843N is identified for 1982-1985 Buick, Pontiac, Chevrolet, Cadillac, and Oldsmobile models with the specified compressor configurations.

Related reading

This part fits 23 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeTransmissionLitersCylindersPositionNotes
1985BuickCenturySedan—2.5LL4N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1985BuickCenturyWagon—2.5LL4N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1985BuickCenturyCoupe—2.5LL4N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1985BuickSkylark——2.5LL4N/Aw/ LTR4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1984BuickSkyhawk—Automatic1.8LL4N/Aw/ R4 Compressor; Compressor w/ 5.5" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1984PontiacJ2000 Sunbird——1.8LL4N/Aw/ R4 Compressor; Compressor w/ 5.5" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1984PontiacPhoenix——2.5LL4N/Aw/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1983BuickSkyhawk—Automatic2.0LL4N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1983BuickSkylark——2.8LV6N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1983CadillacCimarron————N/Aw/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1983ChevroletCavalier—Automatic——N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1983ChevroletCitation——2.8LV6N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1983OldsmobileFirenza—Automatic2.0LL4N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1983OldsmobileOmega——2.8LV6N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1983PontiacPhoenix——2.8LV6N/Aw/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1982BuickSkylark——2.8LV6N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1982CadillacCimarron————N/Aw/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1982ChevroletCavalier—Automatic——N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1982ChevroletCitation——2.8LV6N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1982OldsmobileFirenza—Automatic1.8LL4N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1982OldsmobileOmega——2.8LV6N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1982PontiacJ2000—Automatic——N/Aw/ R4 Compressor; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor
1982PontiacPhoenix——2.8LV6N/Aw/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; 58229 (New Compressor), 33178 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor