OE Quality
60-Day Returns

Four Seasons 6485N A/C Compressor Kit
Reliable A/C Compressor Kit for Buick, Chevrolet, Oldsmobile, and Pontiac
The Four Seasons PAC-Kit w/ New Compressor 6485N offers a complete solution for restoring air conditioning performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed specifically for models like the Citation, Omega, Phoenix, Skylark, and Sunbird, this kit ensures compatibility and efficient operation.
- Includes a new A/C compressor for dependable cooling
- Compatible with Buick Citation, Chevrolet Omega, Oldsmobile Phoenix, Pontiac Skylark, and Sunbird
- Part number 6485N for precise identification and fitment
- Part of the Four Seasons PAC-Kit w/ New Compressor product line
- Designed to meet OEM specifications for HVAC systems
About the Four Seasons PAC-Kit w/ New Compressor Line
The PAC-Kit w/ New Compressor line from Four Seasons provides a comprehensive HVAC solution by combining a new compressor with necessary components to restore A/C system functionality. This product line focuses on delivering reliable replacement compressors that match original equipment standards, ensuring proper fit and performance for vehicles including Buick, Chevrolet, Oldsmobile, and Pontiac models.
Product Details and Compatibility
The Four Seasons 6485N A/C Compressor Kit is engineered for use in specific GM vehicles such as the Buick Citation, Chevrolet Omega, Oldsmobile Phoenix, Pontiac Skylark, and Sunbird. This kit replaces worn or failing compressors to restore efficient air conditioning operation. The compressor is designed to integrate seamlessly with the vehicle’s existing HVAC system, maintaining proper refrigerant flow and clutch engagement.
Common Applications and Problem Resolution
- Restores cooling performance in Buick Citation and Chevrolet Omega A/C systems
- Replaces noisy or seized compressors in Oldsmobile Phoenix and Pontiac Skylark
- Addresses compressor clutch failure in Pontiac Sunbird models
- Solves refrigerant leakage issues related to compressor wear
- Improves overall HVAC system reliability and efficiency
Installation Notes and Tips
When installing the Four Seasons 6485N compressor kit, ensure the A/C system is properly evacuated and recharged according to manufacturer specifications. Verify compatibility with the vehicle’s refrigerant type and oil requirements. It is recommended to inspect related components such as the condenser, receiver/drier, and expansion valve during installation to maintain system integrity.
Quality Assurance and Warranty
Four Seasons products are manufactured to meet or exceed OEM standards, providing reliable performance for automotive HVAC systems. The PAC-Kit w/ New Compressor 6485N is backed by Four Seasons’ quality assurance processes. Please refer to Four Seasons’ official warranty documentation for specific coverage details.
This part fits 15 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1981 | Buick | Skylark | 2.8L | V6 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1981 | Chevrolet | Citation | 2.8L | V6 | N/A | w/ R4 Compressor; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1981 | Oldsmobile | Omega | N/A | w/ R4 Compressor; Compressor w/ Switch; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor | ||
| 1981 | Pontiac | Phoenix | 2.8L | V6 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1980 | Buick | Skylark | 2.8L | V6 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1980 | Chevrolet | Citation | 2.8L | V6 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1980 | Oldsmobile | Omega | N/A | w/ R4 Compressor; Compressor w/ Switch; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor | ||
| 1980 | Pontiac | Phoenix | 2.8L | V6 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1980 | Pontiac | Sunbird | 2.5L | L4 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1979 | Pontiac | Sunbird | 5.0L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1979 | Pontiac | Sunbird | 3.8L | V6 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1979 | Pontiac | Sunbird | 2.5L | L4 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1978 | Pontiac | Sunbird | 5.0L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1978 | Pontiac | Sunbird | 3.8L | V6 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1978 | Pontiac | Sunbird | 2.5L | L4 | N/A | w/ R4 Compressor; Compressor w/ 5-1/2" Dia. Pulley; 58229 (New Compressor), 33204 (Accum), 38623 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.