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Four Seasons 3121NK A/C Compressor and Component Kit
Overview of Four Seasons Complete A/C Kit 3121NK
The Four Seasons Complete A/C Kit 3121NK is designed specifically for Buick and Pontiac models, including the Bonneville and LeSabre. This comprehensive kit provides all necessary components to restore your vehicle's air conditioning system with a new compressor and essential parts.
- Includes new compressor (part 58994) and accumulator (part 83225)
- Compressor oil included: PAG oil 150
- Orifice tube with .062 inch diameter, yellow color, standard style
- Receiver drier/accumulator with 3.5 inch diameter and 8 inch length
- Gaskets and seals included for proper installation
- Compatible with R134a refrigerant systems
- Limited lifetime warranty for quality assurance
Detailed Product Features and Specifications
This Four Seasons Complete A/C Kit 3121NK features a new compressor (part number 58994) designed to meet the specific requirements of Buick Bonneville and Pontiac LeSabre air conditioning systems. The kit includes PAG oil 150, which is pre-filled to ensure optimal lubrication and performance of the compressor. The orifice tube, a critical expansion device, has a .062 inch diameter and is yellow in color, matching the standard style used in these vehicles. The receiver drier/accumulator measures 3.5 inches in diameter and 8 inches in length, equipped with P-nut fittings on both inlet and outlet for secure connections. Gaskets and seals are included to maintain system integrity and prevent leaks. This kit is intended for use with R134a refrigerant, the standard for these models.
About the Four Seasons Complete A/C Kit Line
The Complete A/C Kit line from Four Seasons offers a comprehensive solution for air conditioning system repairs by including all major components needed for a full system refresh. This approach simplifies the repair process by providing a matched set of parts, including a new compressor, accumulator, orifice tube, and necessary seals and oils. The 3121NK kit is tailored for Buick and Pontiac vehicles, ensuring compatibility and reliable operation.
Common Applications and Repair Solutions
- Replacement of a failing or seized A/C compressor in Buick Bonneville or Pontiac LeSabre
- Resolving low cooling performance due to worn or damaged compressor components
- Fixing refrigerant leaks caused by degraded gaskets or seals
- Addressing contamination or moisture issues with a new receiver drier/accumulator
- Upgrading the expansion device with a correctly sized orifice tube for proper refrigerant flow
Installation Notes and Tips
- Ensure system is fully evacuated and flushed before installing the new kit components
- Use the included PAG oil 150 to properly lubricate the compressor during installation
- Verify that the orifice tube is installed in the correct orientation and location
- Check all P-nut fittings on the receiver drier/accumulator for tightness to prevent leaks
- Recharge the system with R134a refrigerant following manufacturer specifications
Quality Assurance and Warranty
The Four Seasons Complete A/C Kit 3121NK comes with a limited lifetime warranty, reflecting the brand's commitment to durability and performance. Each component is manufactured to meet or exceed OEM standards, ensuring reliable operation in Buick Bonneville and Pontiac LeSabre vehicles. This warranty provides added confidence for professional installers and vehicle owners alike.
| Brand | Four Seasons |
|---|---|
| Part Number | 3121NK |
| Position | Complete A/C Kit |
| Compressor Oil Included | Included |
| Compressor Oil Type | PAG Oil /150 |
| Expansion Device Type | Orifice Tubes |
| Gasket / Seals? | Included |
| Kit Includes | 58994 (New Compressor), 83225 (Accum), 38642 (Orifice), 59003 (Oil), O-Rings |
| Orifice Dia. IN | .062 |
| Orifice Tube Color | Yellow |
| Orifice Tube Style | Standard |
| Receiver Drier/Accumulator Diameter IN | 3.500 |
| Receiver Drier/Accumulator Inlet Fitting Type | P-Nut Fitting |
| Receiver Drier/Accumulator Length IN | 8.000 |
| Receiver Drier/Accumulator Outlet Fitting Type | P-Nut Fitting |
| Refrigerant Type | R134a |
| Type | Complete Air Conditioning Kit w/ New Compressor |
| Warranty | Limited Lifetime |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | w/ V5 Compressor; Includes: 58994 (New Compressor), 83225 (Accum), 38642 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit |
| 2005 | Pontiac | Bonneville | 3.8L | V6 | N/A | w/ V5 Compressor; Includes: 58994 (New Compressor), 83225 (Accum), 38642 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit | |
| 2004 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | w/ V5 Compressor; Includes: 58994 (New Compressor), 83225 (Accum), 38642 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit |
| 2004 | Pontiac | Bonneville | 3.8L | V6 | N/A | w/ V5 Compressor; Includes: 58994 (New Compressor), 83225 (Accum), 38642 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit | |
| 2003 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | w/ V5 Compressor; Includes: 58994 (New Compressor), 83225 (Accum), 38642 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit |
| 2003 | Pontiac | Bonneville | N/A | Includes: 58994 (New Compressor), 83225 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit | |||
| 2002 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | w/ V5 Compressor; Includes: 58994 (New Compressor), 83225 (Accum), 38642 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit |
| 2002 | Pontiac | Bonneville | N/A | Includes: 58994 (New Compressor), 83225 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit | |||
| 2001 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | w/ V5 Compressor; Includes: 58994 (New Compressor), 83225 (Accum), 38642 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit |
| 2001 | Pontiac | Bonneville | N/A | Includes: 58994 (New Compressor), 83225 (Accum), 38623 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit | |||
| 2000 | Buick | LeSabre | Sedan | 3.8L | V6 | N/A | w/ V5 Compressor; Includes: 58994 (New Compressor), 83225 (Accum), 38642 (Orifice), 59003 (Oil), O-Rings; Complete A/C Kit |
| 2000 | Pontiac | Bonneville | N/A | Includes: 58994 (New Compressor), 83225 (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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.