OE Quality
60-Day Returns

Four Seasons 6565N A/C Compressor Kit
Reliable A/C Compressor Kit for Chevrolet and GMC Trucks
The Four Seasons PAC-Kit w/ New Compressor 6565N offers a complete solution for restoring air conditioning performance in select Chevrolet and GMC trucks. Designed specifically for models like the C35, C1500, C2500, C3500, K1500, K2500, and K3500, this kit ensures compatibility and efficient cooling.
- Includes a new A/C compressor for dependable operation
- Compatible with Chevrolet and GMC C35, C1500, C2500, C3500, K1500, K2500, and K3500 models
- Part number 6565N 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 product line from Four Seasons provides comprehensive A/C compressor replacement kits that include a brand-new compressor unit. This approach simplifies repairs by combining essential components into one package, reducing the need for multiple part purchases. The 6565N kit is tailored for heavy-duty Chevrolet and GMC trucks, ensuring the HVAC system operates efficiently after installation.
Product Details and Compatibility
This A/C compressor kit is engineered for use in Chevrolet and GMC trucks, specifically the C35, C1500, C2500, C3500, K1500, K2500, and K3500 models. The part number 6565N identifies this exact kit, which includes a new compressor designed to restore proper air conditioning function. The kit supports the HVAC system by replacing worn or failing compressors, helping maintain cabin comfort and system reliability.
Common Applications and Issues Addressed
- Restores cooling performance in Chevrolet and GMC C1500 and K1500 trucks
- Replaces noisy or seized compressors in C2500 and K2500 models
- Solves refrigerant leaks caused by compressor failure in C3500 and K3500 vehicles
- Addresses intermittent A/C clutch engagement problems in C35 trucks
- Improves overall HVAC system efficiency and reliability
Installation Notes and Tips
When installing the Four Seasons 6565N PAC-Kit w/ New Compressor, ensure the system is properly evacuated and recharged according to manufacturer specifications. Verify compatibility with your specific Chevrolet or GMC truck model before installation. Proper handling of refrigerant and adherence to safety protocols is essential during replacement.
Quality Assurance and Warranty
Four Seasons manufactures the PAC-Kit w/ New Compressor line to meet industry standards for durability and performance. While specific warranty details for part number 6565N should be confirmed at the point of purchase, Four Seasons typically offers coverage against defects in materials and workmanship to support long-term reliability.
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1991 | Chevrolet | C1500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1991 | Chevrolet | C2500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1991 | Chevrolet | C35 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor | ||
| 1991 | Chevrolet | C3500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1991 | Chevrolet | K1500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1991 | Chevrolet | K2500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1991 | Chevrolet | K3500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1991 | GMC | C1500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ 9 O'Clk Coil; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1991 | GMC | C2500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ 9 O'Clk Coil; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1991 | GMC | C3500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ 9 O'Clk Coil; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1991 | GMC | K1500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ 9 O'Clk Coil; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1991 | GMC | K2500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ 9 O'Clk Coil; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (Orifice), 69991 (Flush), 59003 (Oil); PAC-Kit w/ New Compressor |
| 1991 | GMC | K3500 | 5.7L | V8 | N/A | w/ R4 Compressor; Compressor w/ 5.12" Dia. Pulley; Compressor w/ 9 O'Clk Coil; Compressor w/ Single Groove Pulley; 58235 (New Compressor), 33150 (Accum), 38638 (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.