OE Quality
60-Day Returns

Four Seasons 6921R A/C Compressor Kit - Front
Reliable A/C Compressor Kit for Cadillac, Chevrolet, and GMC Vehicles
The Four Seasons PAC-Kit w/ Reman Compressor 6921R offers a dependable solution for restoring your vehicle's air conditioning system. Designed specifically for select Cadillac, Chevrolet, and GMC models, this A/C compressor kit ensures proper fit and function for effective climate control.
- Complete A/C compressor kit with remanufactured compressor
- Compatible with Cadillac Escalade, Escalade ESV, Escalade EXT
- Fits Chevrolet Silverado 1500, 2500, 3500 and GMC Sierra 1500, 2500 HD, 3500 HD
- Also fits Chevrolet Suburban 1500 and Tahoe models
- Part number 6921R for precise identification and ordering
About the Four Seasons PAC-Kit w/ Reman Compressor Line
The PAC-Kit w/ Reman Compressor product line from Four Seasons provides a remanufactured compressor combined with necessary components to facilitate A/C system repairs. This line focuses on delivering reliable performance and compatibility with specific vehicle applications, including the 6921R kit designed for various Cadillac, Chevrolet, and GMC trucks and SUVs.
Product Details and Compatibility
This A/C compressor kit is engineered to meet the specifications of multiple full-size trucks and SUVs, including the Cadillac Escalade series, Chevrolet Silverado models, and GMC Sierra variants. The remanufactured compressor included in the 6921R kit is rebuilt to factory standards, ensuring proper operation within the vehicle's HVAC system. This kit supports restoring cooling efficiency and maintaining cabin comfort in vehicles such as the Chevrolet Tahoe and Suburban 1500.
Common Applications and Repair Solutions
- Replacement for worn or failed A/C compressors in Cadillac Escalade and Escalade EXT
- Restores cooling performance in Chevrolet Silverado 2500 HD and 3500 HD models
- Addresses compressor clutch failure or noise issues in GMC Sierra 1500 and 2500 HD
- Resolves insufficient air conditioning output in Chevrolet Suburban 1500 and Tahoe
- Fixes refrigerant leaks or compressor seizure in compatible vehicles
Installation Notes and Tips
When installing the Four Seasons PAC-Kit w/ Reman Compressor 6921R, ensure the A/C system is properly evacuated and recharged according to manufacturer specifications. Verify compatibility with your specific vehicle model and engine configuration before installation. It is recommended to inspect related components such as the condenser, receiver drier, and expansion valve during replacement to maintain system integrity.
Quality Assurance and Warranty
Four Seasons remanufactured compressors undergo rigorous testing to meet OEM standards for durability and performance. The PAC-Kit w/ Reman Compressor 6921R is backed by Four Seasons' quality assurance processes. Please refer to Four Seasons' official warranty policy for detailed coverage information.
This part fits 26 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Cadillac | Escalade | Front | w/ 10S20F Compressor; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor | ||
| 2014 | Cadillac | Escalade ESV | Front | w/ 10S20F Compressor; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor | ||
| 2014 | Chevrolet | Tahoe | Front | 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor | ||
| 2013 | Cadillac | Escalade | 6.2L | V8 | Front | w/ 10S17F Compressor; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | Cadillac | Escalade ESV | Front | w/ 10S17F Compressor; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor | ||
| 2013 | Chevrolet | Cheyenne | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor | ||
| 2013 | Chevrolet | Silverado 1500 | 4.8L | V8 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | Chevrolet | Silverado 1500 | 6.2L | V8 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | Chevrolet | Silverado 2500 | 4.8L | V8 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | Chevrolet | Silverado 3500 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor | ||
| 2013 | Chevrolet | Silverado 3500 HD | 6.0L | V8 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | Chevrolet | Suburban 1500 | 6.0L | V8 | Front | w/ 10S20F Compressor; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | Chevrolet | Suburban 1500 | 5.3L | V8 | Front | w/ 10S20F Compressor; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | Chevrolet | Tahoe | 5.3L | V8 | Front | w/ 10S20F Compressor; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | GMC | Sierra | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor | ||
| 2013 | GMC | Sierra 1500 | 4.8L | V8 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | GMC | Sierra 1500 | 5.3L | V8 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | GMC | Sierra 1500 | 6.2L | V8 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | GMC | Sierra 2500 HD | 6.0L | V8 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2013 | GMC | Sierra 3500 HD | 6.0L | V8 | N/A | w/ 10S17F Compressor; w/ Ambulance Package; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2011 | Cadillac | Escalade | 6.2L | V8 | Front | w/ 10S17F Compressor; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2010 | Cadillac | Escalade | 6.2L | V8 | Front | w/ 10S17F Compressor; w/o Rear AC; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
| 2010 | Cadillac | Escalade ESV | Front | w/ 10S17F Compressor; w/o Rear AC; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor | ||
| 2010 | Cadillac | Escalade EXT | Front | w/ 10S17F Compressor; w/o Rear AC; 77363 (Reman Compressor), 83155 (Accum), 38644 (Orifice), 69991 (Flush), 59007 (Oil); PAC-Kit w/ Reman Compressor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.